Last updated: 2025-06-06

150 Backend Engineer jobs in London.

Hiring now: Software Engineer @ Cryptio, Backend Engineer @ Writer, Backend Software Engineer @ Civica, Sr Python Software Engineer @ Clearmatic, Staff Engineer Ruby On Rails @ Cleo, Software Engineer Emerging Technologies @ Cloudflare, Software Engineer Remoteonsite @ Dataiku, Software Developer @ Cryptocom, Sr Backend Engineer @ Fresha, Backend Engineer Iii @ Monzo. Explore more at at jobswithgpt.com

🔥 Skills

AWS (31) Kubernetes (23) Python (23) Docker (17) Java (15) PostgreSQL (13) Backend Engineer (13) Go (13) Microservices (12) microservices (11)

📍 Locations

London (93)

Cryptio

Cryptio is developing crypto, finance, and accounting reconciliation products, focusing on solving complex accounting and financial challenges in the cryptocur…

Software Engineer

London

  • Skills: Software Engineer, TypeScript, Rust, PostgreSQL, OLAP databases, system optimisation, data-heavy products, high-performance systems, financial data processing, cryptocurrency accounting
  • Experience: 5+ years of software engineering experience
  • Type: Fully-Remote / Hybrid

Writer

Writer is the full-stack generative AI platform delivering transformative ROI for the world’s leading enterprises. Named one of the top 50 companies in AI by F…

Backend Engineer

London

  • Skills: Backend Engineer, Scala, functional programming, RESTful APIs, microservices architecture, cloud platforms, performance optimization, Cats Effect, database design, agile development methodologies
  • Experience: Minimum 5+ years of recent professional experience in functional programming and Scala
  • Type: Full-time

Civica

Civica makes software that helps deliver critical services for citizens all around the world. Over 5,000 public bodies across the globe use our software to hel…

Backend Software Engineer

London

  • Skills: Backend Software Engineer, cloud-ready products, API-based interfaces, CI/CD pipelines, Agile development, observability practices, cloud security best practices, system architecture, code reviews, technical mentorship
  • Experience: Experience as a Backend Software Engineer, proficiency in .NET and cloud-ready products.

Clearmatics

Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilien…

Senior Python Software Engineer

London

  • Skills: Python, software development, blockchain, DeFi, API development, Ethereum, REST APIs, SQL databases, smart contracts, concurrent programming
  • Experience: 5+ years in software development; 2+ years in Python software development
  • Type: Full-time
  • Salary: Blockchain competitive and dependent on skills and experience

Cleo

Most people come to Cleo to do work that matters. Every day, we empower people to build a life beyond their next paycheck, building a beloved AI that enables y…

Staff Engineer (Ruby on Rails)

London

  • Skills: Ruby on Rails, cross-functional collaboration, agile methodologies, mentorship, APIs, data analysis, feature delivery, technical insight, user research, financial health
  • Experience: 5+ years of industry experience with Ruby on Rails
  • Type: Full-time
  • Salary: £109,763 - £131,626 base + equity

Cloudflare

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…

Software Engineer - Emerging Technologies

London

  • Skills: TypeScript, Go, Rust, API, cloud platforms, AI, distributed systems, documentation, open source, debugging
  • Experience: 5+ years of experience working with high-volume software applications
  • Type: Full-time

Dataiku

Dataiku is pioneering the future of AI with a platform that makes data actionable and accessible. They enable collaboration between data experts and domain exp…

Software Engineer (Remote/Onsite)

London

  • Skills: AI, SaaS, cloud platforms, Python, Flask, VueJS, distributed systems, code simplicity, user experience, high-growth environment
  • Experience: Significant experience in one or more programming languages (Java, Python, Scala, Node.JS, etc.)
  • Type: Full-time

Crypto.com

Crypto.com is a platform offering a wide range of products and services related to cryptocurrency, including trading and exchange facilities. It has acquired N…

Software Developer

London

  • Skills: software development, frontend UI, backend infrastructure, high-performance software, low-latency, real-time system, performance, reliability, derivatives exchange, regulated trading
  • Type: Full-time

Fresha

Fresha is the leading marketplace platform for beauty & wellness trusted by millions of consumers and businesses worldwide, used by 110,000+ businesses and 450…

Senior Back-End Engineer

London

  • Skills: Senior Back-End Engineer, designing applications, developing applications, cross-functional team, fast-paced environment, remote work, team coordination, infrastructure layers, appointment bookings, financial technology solutions
  • Type: Full-time

Monzo

Monzo is on a mission to make money work for everyone, waving goodbye to traditional banking. They focus on solving problems and changing lives through their i…

Backend Engineer III

London

  • Skills: backend engineer, technology product, customer outcomes, data-informed decisions, distributed systems, Go, Cassandra, Kafka, AWS, Docker
  • Experience: Strong experience working on the backend of a technology product
  • Type: Full-time
  • Salary: £75,000 - £105,000 + stock options

Intropic

A fin-tech start-up backed by leading venture capitalists, focused on developing information and data processing software products. The company aims to unlock …

Software Engineer

London

  • Skills: fin-tech, data processing, Python, debugging, infrastructure, start-up, software products, information economy, strategic planning, product development
  • Experience: Experience in debugging Python and deploying infrastructure changes, comfortable with open-ended problems.
  • Type: Full-time

NALA

NALA is building payments for the Next Billion, transforming how money moves into Africa and Asia by creating cutting-edge payment solutions.

Senior Backend Engineer

London

  • Skills: Backend Engineer, Go, API, Payments, Event-driven architectures, RDBMS, Agile, Cloud environment, Fintech, Digital payment systems
  • Experience: At least 5+ years of experience building highly reliable and scalable backend services in Go.
  • Type: Full-time

Palantir

Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…

Backend Software Engineer

London

  • Skills: Backend Software Engineering, Data-driven decisions, APIs, Performance tuning, System architecture, Collaboration, Cross-functional capabilities, Software efficiency, Scalability, Product development

Engine by Starling

Engine is Starling's software-as-a-service (SaaS) business, providing banking technology to banks and financial institutions worldwide.

Database Engineer

London

  • Skills: Database design, Performance tuning, Cloud database management, AWS, PostgreSQL, Monitoring and alerting, Disaster recovery, Security best practices, Database compliance, Infrastructure as Code
  • Experience: Proven experience working as a DBA with performance tuning and optimization.
  • Type: Full-time

Starling Bank

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help p…

Software Engineer - Customer Identity & Fincrime

London

  • Skills: Java, AWS, Postgres, Kubernetes, Microservices, CI/CD, Terraform, Grafana, Mentorship, FinTech
  • Experience: All levels of experience are welcome; open-minded towards aptitude and attitude rather than specific experience.
  • Type: Full-time

Engine by Starling

Engine is Starling's software-as-a-service (SaaS) business, providing technology that powers Starling Bank and offering innovative features and efficient proce…

Backend Software Engineer

London

  • Skills: Backend Software Engineer, Java, AWS, GCP, Microservice architecture, Kubernetes, CI/CD, Terraform, Grafana, Agile development
  • Experience: Open-minded, aptitude and attitude focused rather than specific experience or qualifications.
  • Type: Full-time

Wheely

Wheely is not a traditional ride-hailing company. We are building a platform with user privacy at its core while successfully scaling a five-star service to mi…

Backend Engineer

London

  • Skills: Backend Engineer, Go language, microservices, scalable services, cross-functional teams, testing, databases, postgreSQL, AWS, professional development
  • Experience: 3+ years of experience developing scalable and reliable backend services
  • Type: On-site
  • Salary: Competitive salary

Techruiter

A startup whose state-of-the-art technology is redefining how high-net-worth individuals manage their finance portfolios.

Senior Kotlin Engineer

London

  • Skills: Kotlin, Java, Backend Software Engineering, Microservices, AWS, Docker, Kubernetes, FinTech, TDD, Python
  • Experience: Over 5 years professional Kotlin (or Java) backend software engineering experience
  • Type: Full-time

Award Winning Tech-Startup

An Intelligence Platform that enables the gathering of billions of data points and insights for enhanced decision making.

Backend Software Engineer

London

  • Skills: Backend Software Engineer, Java, Scala, Kotlin, Python, GCP, Docker, Kubernetes, Microservices, Agile
  • Experience: Commercial experience with Java/Scala/Kotlin and/or Python; experience with relational and non-relational databases; data processing and distributed systems; systems design; familiarity with Docker, Kubernetes, CI/CD, and GCP; experience with Agile and TDD.
  • Type: Full-time
  • Salary: Competitive package with stock options and performance bonus

$20 million seed stage start-up

This is an amazing opportunity to join a $20 million seed stage start-up where you'll be one of the first permanent engineering hires.

Engineering Hire

London

  • Skills: grocery delivery, engineering, start-up, tech stack, architectural decisions, growth, expansion, innovation, drive, grit

Veeva Systems

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the…

Mid to Senior Python Engineer

London

  • Skills: Python, Elasticsearch, GraphQL, AWS, Django, web applications, new product development, architecting, innovative technology, complex problems
  • Experience: Mid to Senior level
  • Type: Full-time

Yassir

Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, M…

Backend Developer

London

  • Skills: backend development, microservices architecture, Node.js, Python, Go, large scale systems, server-side applications, root cause analysis, problem-solving, dynamic environment
  • Experience: Expert in complex backend development, microservices architecture
  • Type: Full-time

Blockchain.com

Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain …

Software Engineer

London

  • Skills: Blockchain, Software Engineer, C++, Rust, Python, SQL, Order Management System, trading systems architecture, low latency, high throughput
  • Experience: Experience in C++ and/or Rust, Python, SQL, and familiarity with trading systems architecture.
  • Type: Full-time
  • Salary: Full-time salary based on experience and meaningful equity

GoCardless

GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through di…

Software Engineer

London

  • Skills: collaboration, API, web products, Ruby on Rails, Golang, Python, JavaScript, TypeScript, Kubernetes, Elasticsearch
  • Experience: Experience building web products and services
  • Type: Full-time

Pleo

Pleo helps companies manage their finances by allowing employees to spend responsibly. They promote a culture of trust and transparency, with a focus on teamwo…

Senior Backend Engineer

London

  • Skills: Backend Engineer, Kotlin, microservices, cloud environments, DevOps, relational databases, testing frameworks, observability, technical debt, code reviews
  • Experience: Extensive experience in server-side languages and solving complex technical challenges at scale.
  • Type: Full-time
  • Salary: 87,000€-93,000€ (Spain/Portugal); £79,000-£83,000 (United Kingdom)

Wiz

Wiz is on a mission to help organizations secure cloud environments that will accelerate their businesses. Trusted by security teams all over the world, we hav…

Expert Backend Engineer

London

  • Skills: cloud security, backend software, Golang, AWS, GCP, microservices, CI/CD, databases, distributed components, cross-functional teams
  • Experience: 8+ years of experience with Backend Engineering

Bumble Inc.

Bumble is a global dating and social networking platform with a mission to create a world where all relationships are healthy and equitable through kind connec…

Staff Engineer

London

  • Skills: Trust and Safety, Senior Individual Contributor, Technical Direction, Collaboration, Machine Learning, Data Scientists, Community Safety, Harmful Behaviour, Operational Tooling, Inclusivity

Blockchain.com

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the pass…

Back-End Engineer

London

  • Skills: backend systems, microservices, fraud prevention, scalability, encryption, JVM languages, Kotlin, PostgreSQL, Redis, data science
  • Experience: 3 - 5+ years
  • Type: Full-time

Tide

At Tide, we are building a finance platform designed to save small businesses time and money. We provide our members with business accounts and related banking…

Principal Engineer

London

  • Skills: Fintech, Microservices, Event-driven architectures, Distributed systems, Python, High availability architectures, Technical leadership, Integration with third-party providers, Architectural direction, Mentoring engineers
  • Experience: 10+ years of backend engineering experience, with at least 5 years working in fintech.
  • Type: Full-time

Ash

We're a team of machine learning engineers training task-specific generative models for psychology, aiming to build an AI therapist to help people change their…

Senior Backend Engineer

London

  • Skills: backend service development, Kotlin, Java, fast-paced, scalability, observability, data security, CI, cloud provider, AI
  • Experience: 7+ years of software development experience
  • Type: Full-time
  • Salary: Competitive compensation (90th percentile)

Axon

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and clou…

SOFTWARE ENGINEER II

London

  • Skills: software development, cloud-based systems, Java, React, Docker, Kubernetes, Agile, frontend technologies, SQL, NoSQL
  • Experience: 5+ years of professional software development experience

Capco

Capco is a global technology and business consultancy, focused on the financial services sector. We are passionate about helping our clients succeed in an ever…

Backend Engineer - Java

London

  • Skills: Java Development, Spring Boot, CI/CD, Microservices, Agile, Cloud Services, Database Management, Testing, Infrastructure as Code, Event-driven architecture
  • Experience: 2-5 years

V7

V7 turns human knowledge into trustworthy AI, powering products that solve our hardest problems. Our platform lets customers build no-code AI workflows that so…

Senior Backend Engineer

London

  • Skills: Backend engineering, Elixir, AWS, Docker, RabbitMQ, ML (Machine Learning), Infrastructure management, Orchestration tools, Data flow, Model training
  • Experience: Bachelors or higher in Computer Science or a related field
  • Type: Full-time
  • Salary: £90k-£130k

DRW

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…

Senior Software Engineer

London

  • Skills: server side development, high-availability systems, micro-service architectures, JVM knowledge, domain driven design, functional paradigms, type theory, linux, SQL, financial concepts
  • Experience: Multiple years of server side development.

Via

Via is a technology company transforming transportation around the world by creating modern and efficient public transportation systems.

Senior Backend Engineer

London

  • Skills: backend development, microservices, Python, C++, Java, cloud platforms, AWS, Kubernetes, agile software development, application performance
  • Experience: Minimum of 6 years backend development experience

Yapily

Yapily is on a mission to enable innovative companies to create better and fairer financial services for everyone, through the power of open banking.

Engineering Team Leader

London

  • Skills: open banking, web applications, APIs, Kubernetes, micro services, distributed systems, RESTful API, API-first, curious, self-starter
  • Experience: 5+ years of working experience

Quantcast

At Quantcast, we're redefining what's possible in digital advertising. As a global Demand Side Platform (DSP) powered by AI, we help marketers connect with the…

Senior Software Engineer

London

  • Skills: Platform Reliability, Real-Time Bidding, systems, automation, engineering teams, distributed systems, high-scalable systems, code, design systems, technology alternatives

Snyk

Snyk is a developer security platform that makes it easy for development teams to find, prioritize, and fix security vulnerabilities in code, dependencies, con…

Senior Software Engineer

London

  • Skills: software engineer, high-quality solutions, microservice back-ends, web APIs, software testing, code quality, mentorship, algorithms, scalable systems, collaborative communication
  • Experience: At least 7 years of commercial experience as a Software Engineer.

xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.

Backend Engineer

London

  • Skills: Kubernetes, Buildkite, ArgoCD, Prometheus, Grafana, PagerDuty, Pulumi, Terraform, Backend Services, Scalable Systems
  • Experience: Expert knowledge of Kubernetes, continuous deployment systems, monitoring technologies, and infrastructure as code technologies.
  • Type: Full-time
  • Salary: $180,000 - $440,000 USD

ESG Book

Founded in 2018, ESG Book is a global leader in sustainability data and technology. We’re a fast-paced and exciting organisation that blends cutting-edge tech …

Technical Lead – Software Engineering (Golang – Backend)

London

  • Skills: Technical Leadership, Golang, Software Engineering, Microservices, Event-driven architecture, Infrastructure-as-code, Kubernetes, Docker, Postgres, Kafka
  • Type: Hybrid

Valarian Technologies

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're …

Backend Engineer

London

  • Skills: Backend Engineer, Go, Kubernetes, AWS, GCP, Azure, cloud providers, scalable distributed systems, service-oriented architecture, problem-solving
  • Experience: 5+ years’ experience building highly scalable distributed systems and services
  • Salary: Competitive salary and equity grants

9fin

9fin's proprietary technology delivers fast and comprehensive financial, credit, legal & ESG analysis.

Senior Backend Engineer

London

  • Skills: Python, APIs, Flask, FastAPI, SQL, Service Oriented Architecture, Data flow, Code quality, AWS, Mentoring
  • Experience: Senior IC Engineer
  • Type: Full-time
  • Salary: 75-90th% of market

Abound

We’re on a mission to make affordable loans available to more people. Using the power of Open Banking, we have built state-of-the-art technology that allows us…

Senior Python Software Engineer

London

  • Skills: Python, Open Banking, software engineering, async Python, SQL, Docker, AWS, business processes, collaboration, data management
  • Experience: Seven or more years professional experience in software engineering
  • Type: Full time

BLACKLANE

Blacklane is a global professional chauffeur service that provides high-quality transportation for clients.

Senior Software Engineer - Backend

London

  • Skills: Backend, Ruby, Go, Typescript, Java, Kubernetes, Docker, Event-driven architecture, Domain driven design, API
  • Experience: 5 years
  • Type: Full-time
  • Salary: Up to 120 000

Capital on Tap

Capital on Tap was founded with the mission to help small business owners and make their lives easier. Today, we provide an all-in-one business credit card & s…

Senior Backend Software Engineer

London

  • Skills: C#, .Net, .Net Core, SQL Server, Unit Testing, Integration Testing, Agile, Cloud, Azure, GCP
  • Experience: 6+ years hands-on experience in C#, .Net Core, SQL Server
  • Type: Hybrid

Choco

Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-foc…

Senior Staff Engineer - Backend

London

  • Skills: Backend Systems, Distributed Systems, Microservices, Cloud-native, AWS, Node.js, TypeScript, GraphQL, Enterprise Architecture, Technical Mentorship
  • Experience: 10+ years of experience in software engineering with deep expertise in distributed systems, microservices architecture, and cloud-native development
  • Type: Full time

Convergence

At Convergence, we're transforming the way AI integrates into our daily lives. Our team is developing the next generation of AI agents that don't just process …

Senior Software Engineer (Backend focus)

London

  • Skills: Backend systems, Python, FastAPI, Cloud technologies, GCP, Azure, Scalable, LLM, Microservices, DevOps
  • Experience: 3+ years of experience as a backend focused software engineer
  • Type: Full time

DolarApp

Backend Engineer

London

  • Skills: Backend Engineer, Java, REST APIs, microservices, Postgres, Spring Boot, TDD, DDD, continuous integration, financial inclusion
  • Experience: 5+ years in Backend development
  • Type: Full-time
  • Salary: Competitive salary

Gradient Labs

At Gradient Labs, we’re on a mission to make exceptional customer service the norm. Founded in 2023 by a team of technical leaders from Monzo Bank, we’ve quick…

Backend Engineer

London

  • Skills: Backend Engineer, AI agents, customer support, Go, PostgreSQL, resilient systems, Google Cloud Platform, Next.js, autonomous AI, fast-paced startup
  • Experience: Demonstrated experience building complex performant systems iteratively
  • Type: Full time
  • Salary: Top 10% of comparable roles

Granola

Granola is a company focused on building exciting solutions that unlock capabilities for a growing user base.

Product Engineer, Backend

London

  • Skills: scaling, infrastructure, APIs, cloud infrastructure, TypeScript, Node.js, PostgreSQL, serverless architectures, security, performance optimization
  • Experience: 5+ years of engineering experience
  • Type: Full-time

H Company

H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will hel…

Senior Back-end Engineer

London

  • Skills: Python, backend development, REST, gRPC, APIs, cloud computing, AWS, databases, message queueing, monitoring
  • Experience: 4+ years of experience in Python backend development
  • Type: Full time

Keyrock

Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock…

Head of Engineering - Trading Systems

London

  • Skills: engineering team, trading systems, market making, high-performance, scalable systems, Rust, AWS, collaboration, DevOps, cryptocurrency
  • Experience: Proven experience building and maintaining high-concurrency, high-performance, low-latency trading systems.
  • Type: Full time

Ophelos

Ophelos is pioneering an industry-first AI-native collections platform, building products that help individuals clear their debts and providing businesses with…

Senior Software Engineer

London

  • Skills: Senior Software Engineer, Ruby on Rails, APIs, AI, customer experience, scalable systems, technical excellence, data ingestion, cloud services, team collaboration
  • Experience: Proficiency with Ruby on Rails and experience in building and maintaining public-facing APIs.
  • Type: Full-time
  • Salary: £78,000 - £95,000

Payhawk

Payhawk is a leading global spend management solution for scaling businesses, headquartered in London, combining company cards, reimbursable expenses and accou…

Software Engineer

London

  • Skills: Node.js, TypeScript, PostgreSQL, Kubernetes, Docker, Google Cloud, React, React Native, Apache Kafka, LLM-based functionalities
  • Experience: 3+ years of relevant work experience.
  • Type: Full-time

Perplexity AI

Perplexity AI is focused on creating innovative search infrastructure that powers products, having launched the first fully functional conversational answer en…

Senior Search Engineer

London

  • Skills: search engineer, infrastructure, crawling, ranking, retrieval systems, scaling, optimizing, costs, latency, uptime
  • Experience: Minimum of 5 years working on search-related projects
  • Type: Full-time
  • Salary: $160,000 - $250,000

Marshmallow

Marshmallow is an insurance provider aiming to serve marginalized customers who are often overlooked by financial services. They focus on fairly pricing insura…

Technical Lead - Backend

London

  • Skills: Technical Lead, Backend, microservices, architecture, Java, mentorship, scalability, reliability, system performance, collaboration
  • Experience: 8+ years of software engineering experience; 2+ years as a Technical Lead
  • Type: Full time

QiH Group

QiH is a fast-growing, innovative, and progressive scale-up business headquartered in London with a collective of brilliant brains in Skopje. We are at the sta…

Senior Back End Engineer

London

  • Skills: Back End Engineer, Node.js, Express.js, RESTful APIs, microservices, CI/CD, Docker, performance optimisation, SQL, NoSQL
  • Experience: Extensive experience with Node.js, Express.js, and back-end development best practices.
  • Type: Full time

Pleo

Pleo is a company dedicated to helping every organization go beyond just managing finances, aiming to promote responsible spending culture and digitizing compa…

Senior Backend Engineer

London

  • Skills: Backend Engineering, Kotlin, Microservices, Cloud environments, Distributed systems, Relational databases, Testing frameworks, DevOps culture, Technical leadership, Code reviews
  • Experience: Experience solving complex technical challenges at scale
  • Type: Full-time
  • Salary: 87,000€-93,000€ (Spain/Portugal), £79,000-£83,000 (United Kingdom)

Talos

Founded in 2018, Talos provides institutional-grade trading technology for the global digital asset market, powering many of the major players in the crypto ec…

Software Engineer, Trading Connectivity

London

  • Skills: software engineering, backend systems, trading connectivity, integration, performance, scalability, reliability, security, financial technology, crypto
  • Experience: 3+ years of software engineering experience
  • Type: Full-time

Taptap Send

Taptap Send is a cross-border fintech company helping immigrants move money home. The company is focused on reducing inequity by offering a transformative plat…

Senior Backend Engineer, Expansion

London

  • Skills: backend systems, Kotlin, Java, PostgreSQL, AWS, third-party APIs, security, data flows, teamwork, collaborative
  • Experience: 7+ years of professional experience
  • Type: Full time

Toggle AI

Toggle AI is on a mission to bring data to life with natural language. Toggle Terminal offers a suite of award-winning analytic tools wrapped in an accessible,…

Technical Lead for Knowledge Graph

London

  • Skills: software engineering, graph databases, knowledge graphs, Neo4j, ArangoDB, Postgres, Golang, Python, data management, graph algorithms
  • Experience: 7+ years of experience in software engineering
  • Salary: $125,000 - $225,000 USD

SoundCloud

SoundCloud empowers artists and fans to connect and share through music. Founded in 2007, SoundCloud is an artist-first platform empowering artists to build an…

Senior Backend Engineer - Media Streaming

London

  • Skills: Backend Engineer, Media Streaming, Go, Cloud-native, Microservices, AWS, CI/CD, Data Processing, Performance, Collaboration

Kraken

Kraken powers some of the most innovative global developments in energy. We’re a technology company focused on creating a smart, sustainable energy system. Fro…

Software Engineer - Customer Software Engineer - Customer

London

  • Skills: Python, Django, Domain modelling, HTTP, REST APIs, Fault-tolerant software, Celery, async processing, Postgres, AWS
  • Type: Full-time

MetaWealth

Backend Engineer/Node.js, Golang

London

  • Skills: Backend Engineer, Node.js, Golang, RESTful APIs, GraphQL APIs, AWS, Microservices, Solana, Ethereum, Testing
  • Experience: 3+ years of backend development experience

MoonPay

MoonPay is the leading infrastructure company in Web3, providing partners with everything from payment solutions to minting software for digital collectibles.

Senior Backend Engineer, Growth

London

  • Skills: backend engineering, Web3, payment solutions, digital collectibles, cloud native, Typescript, React, Node.js, Google Cloud Platform, KYC
  • Experience: Extensive backend engineering experience at leading startups or fast growing tech companies
  • Type: Full Time

Serotonin

Cutting-edge company focused on revolutionizing global payments by building a scalable, zero-fee payment platform secured by Bitcoin.

Smart Contract Backend Engineer (External)

London

  • Skills: Smart Contracts, Blockchain, Solidity, EVM, Security, Payment Protocols, Web3.js, Ethers.js, Hardhat, Truffle
  • Experience: 2–4 years
  • Type: Full-Time

Klaviyo

Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable like never before. They focus on nurturing personalized exp…

Software Engineer, i18n Platform

London

  • Skills: software engineering, internationalisation, translations, full stack application development, CI/CD pipelines, database design, performance issues, collaboration, microservices architectures, cloud provider
  • Experience: 2-5 years of experience in a software engineering discipline
  • Type: Full-time
  • Salary: $120,000 - $180,000 USD

Percona

Senior Software Engineer - PostgreSQL

London

  • Skills: Software Engineer, PostgreSQL, Remote, Engineering, Development, Open Source, Distributed Systems, Applications, Authorization, AI
  • Type: Full-time

Funding Circle

We back small businesses to succeed. At Funding Circle, we believe the world needs small businesses. That’s why we’ve made it our mission to help them get the …

Senior Engineer

London

  • Skills: Senior Software Engineer, Credit Risk Platform, Clojure, Functional Programming, event-driven architecture, collaboration, decision engine, problem solving, data structures, algorithms
  • Type: Full-time

OakNorth Bank

We’re OakNorth Bank and we embolden entrepreneurs to realise their ambitions, understand their markets, and apply data intelligence to everyday decisions to sc…

Senior Data Engineer

London

  • Skills: Data Engineering, Back-end, Python, NodeJS, PostgreSQL, AWS, GCP, Kubernetes, Docker, DevOps
  • Type: Part Time

V7

V7 turns human knowledge into trustworthy AI, powering products that solve our hardest problems.

Backend Engineer

London

  • Skills: Backend Engineer, functional programming, AWS, terraform, queue management, observability, Docker, GenAI, scalable architecture, customer-centric
  • Experience: 3+ years
  • Type: Full-time

VivaCity

At VivaCity, we make cities smarter, safer, and more sustainable using the latest in AI and IoT technologies. We have over 6,000 AI sensors around the world, g…

Junior Backend Engineer (Applications / Infrastructure / Platform)

London

  • Skills: Backend Engineer, AI, IoT, Microservices, Cloud, Go, SQL, Docker, Kubernetes, DevOps
  • Type: Full-time
  • Salary: £40k - £55K

Pleo

Pleo is on a mission to revolutionise the way businesses manage company spending by creating tools that promote autonomy and foster trust.

Senior Software Engineer

London

  • Skills: Senior Software Engineer, Authentication, Authorization, scalable systems, cloud infrastructure, Kubernetes, OAuth, OIDC, backend languages, mentoring
  • Type: Full-time
  • Salary: up to £86,500 in the UK; up to €92,500 in Spain/Portugal