Last updated: 2025-05-04

23 Backend Software Engineer jobs in Lisbon.

Hiring now: Sr Backend Engr @ Constructo, Backend Engr @ Cloudflare, Sr Backend Engr @ Pleo, Sr Software Engr Cloud Se @ Datadog, Backend Engr @ Qonto, Sr Rust Software Dev @ Workato, Software Engr @ Gorgias, Sr Backend Engr @ Cit, Principal Backend Engr @ Kaizen Gam, Backend Engr @ Swapcard.Explore more at jobswithgpt.com.

🔥 Skills

Python (10) Go (8) Java (7) DevOps (4) Rust (4) Kubernetes (4) distributed systems (4) problem-solving (4) APIs (3) Backend Engineer (3)

📍 Locations

Lisbon (23)

Constructor

Skills & Focus: Python, FastAPI, AWS, CloudFormation, CI/CD, Observability, Prometheus, Grafana, API design, Server-side coding
About the Company: Constructor is the only search and product discovery platform tailor-made for enterprise ecommerce where conversions matter. Constructor's AI-first solutions m…
Experience: Strong computer science background; Experience in designing, developing & maintaining high load real-time services; Excellent English communication skills.
Type: Full-time
Benefits: Unlimited vacation time, competitive compensation package including stock options, fully remote team, work from home st…

Cloudflare

Skills & Focus: backend engineer, APIs, database design, RESTful API, relational databases, Go programming, large-scale distributed systems, containers, SQL, Cloudflare products
About the Company: 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…
Experience: 3-5 years of professional experience building and managing software applications at large scale.
Type: Full-time
Benefits: Cloudflare offers a complete package of benefits and programs to support you and your family, including medical, dental…

Pleo

Skills & Focus: Backend Engineer, Kotlin, microservices, cloud environments, DevOps, relational databases, testing frameworks, observability, technical debt, code reviews
About the Company: 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…
Experience: Extensive experience in server-side languages and solving complex technical challenges at scale.
Salary: 87,000€-93,000€ (Spain/Portugal); £79,000-£83,000 (United Kingdom)
Type: Full-time
Benefits: Pleo card, lunch allowance, private health insurance, flexibility/remote working, option to purchase additional holiday…

Datadog

Skills & Focus: Java, Go, Python, Kafka, Elasticsearch, Cloud Security, Data Pipelines, Backend Programming, High-throughput, Real-time
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: significant backend programming experience in one or more languages
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, competitive glo…
Skills & Focus: Agent, backend engineering, performance optimization, Go, Python, Rust, C++, cross-team collaboration, software engineering, mentoring
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: 10+ years of experience
Type: Full-time
Benefits: New hire stock equity (RSUs) and employee stock purchase plan (ESPP), Continuous professional development, product trai…

Qonto

Skills & Focus: Backend Engineer, APIs, banking services, scalable, Go, Ruby, Kubernetes, PostgreSQL, Kafka, Domain-Driven Design
About the Company: Creating the freedom for SMEs to succeed in business and beyond, by delivering Europe’s leading finance workspace.
Experience: strong experience as a software engineer

Workato

Skills & Focus: Rust, software development, high-performance applications, Go, Ruby, DevOps, network protocols, no-SQL, Linux, Open Source contributions
About the Company: Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Experience: Strong experience writing, shipping, and maintaining Rust code (2+ years) in a production environment; experience with higher-level languages such as Ruby, Python, Go, JS, Java, etc.
Type: Full-time
Benefits: Vibrant and dynamic work environment; multitude of benefits to enjoy inside and outside of work.

Cloudflare

Skills & Focus: Rust, Layer 3 Networking, Layer 4 Networking, Linux, Distributed Systems, Cloudflare One, Zero Trust, Docker, Clickhouse, Salstack
About the Company: 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…
Experience: Experience building large-scale, reliable, highly distributed systems; Programming experience in Rust; Systems-level programming experience in Linux; Familiar with Layer 3 and Layer 4 Networking
Salary: Estimated annual salary of $196,000 - $240,000
Type: Full-time

Gorgias

Skills & Focus: Python, SaaS tools, APIs, DevOps, Docker, Kubernetes, scalable applications, high traffic, production experience, cross-functional teams
About the Company: Gorgias is the conversational AI platform for ecommerce that drives sales and resolves support inquiries. Trusted by over 15,000 ecommerce brands, Gorgias supp…
Experience: Experience with Python; also open to Ruby on Rails, Node.js, Java, or C#; production experience; familiarity with shipping applications in production environments.
Salary: €76k annual gross
Type: Permanent, full time
Benefits: 5-week vacation plus 2 weeks RTT, Paid sick leave, 6 weeks full remote/year, Paid parental leave (16 weeks), 50% of pub…

Pleo

Skills & Focus: cloud environments, distributed systems, microservices, API design, scalable solutions, authentication, server-side languages, testing frameworks, mentorship, innovation
About the Company: Pleo itself means ‘more than you’d expect’, and it’s been the secret to our success over the last 8 years. We think company spending should be delegated to all…
Experience: Experience with cloud environments, distributed systems, microservices, and server-side languages (Kotlin, TypeScript)
Salary: 101k EUR
Type: Full-time
Benefits: Your own Pleo card, private health insurance, 25 days of holiday, remote work options, access to LinkedIn Learning, pai…

Ci&T

Skills & Focus: Java, Nodejs, AWS, API, SQL, Kafka, IaC, Continuous Integration, Observability, DevOps
About the Company: We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 6,500 CI&Ters around the world, we’ve buil…
Experience: senior

Kaizen Gaming

Skills & Focus: Backend systems, Scalable architecture, Performance optimization, Microservice architectures, Containerization technologies, DevOps practices, Technical mentorship, Cross-functional collaboration, Emerging technologies, Data-driven decisions
About the Company: Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 17 markets. We always aim to leverage cutting-edge…
Experience: Proven track record of professional experience with multiple programming languages and paradigms as well as designing, implementing, and scaling performant, distributed systems and microservice architectures
Salary: Competitive salary package and bonus scheme
Type: Full-time
Benefits: Health and life insurance for you and your family, unlimited access to Udemy, continuous training, monthly allowance fo…

Cloudflare

Skills & Focus: Golang, distributed systems, Kubernetes, security, event based systems, scaling, algorithms, system design, problem-solving, curiosity
About the Company: 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…
Experience: Experience in designing high-scale distributed systems.

Datadog

Skills & Focus: Staff Engineer, Event Platform, Java, Go, Python, Rust, Distributed Systems, Data Pipelines, High Throughput, Real-time Data
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: Experience with one or more programming languages (Go, Java, Rust, C++, Python)
Type: Full-time
Benefits: Product training, continuous career development, inclusive company culture, new hire stock equity, free global mental h…

Cloudflare

Skills & Focus: Distributed Systems, Programming Languages, System Level Programming, Continuous Integration, API Design, Debugging, Performance Optimization, Monitoring, Security Issues, Data Analysis
About the Company: 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…
Experience: Experience with monitoring, alerting and debugging high volume production systems.
Type: Full-time

Pleo

Skills & Focus: Senior Software Engineer, Authentication, Authorization, scalable systems, cloud infrastructure, Kubernetes, OAuth, OIDC, backend languages, mentoring
About the Company: Pleo is on a mission to revolutionise the way businesses manage company spending by creating tools that promote autonomy and foster trust.
Salary: up to £86,500 in the UK; up to €92,500 in Spain/Portugal
Type: Full-time
Benefits: Pleo card, Lunch allowance, Private healthcare, 25 days of holiday, Remote working options, Mental health support, Link…

Swapcard

Skills & Focus: Backend Engineer, AI-powered event platform, scalable solutions, cross-functional teams, Matchmaking Squad, Builder Squad, Integration Squad, customization options, event organizers, impactful projects
About the Company: Swapcard is the leading AI-powered event platform designed to drive revenue growth and foster meaningful connections at in-person and hybrid events. We believe…
Type: Full-time
Benefits: Full remote opportunities, flexible and inclusive culture.

Powertalent

Skills & Focus: REST API, Go, Python, Ruby, Java, event sourcing, Apache Kafka, microservice patterns, PostgreSQL, Docker
About the Company: Since 2021, Powertalent has stood out for providing customized talent solutions. As specialists in recruitment and selection, we streamline complex processes a…
Experience: Minimum of 3 years of experience implementing REST API.
Benefits: Effective or B2B contract, it's up to you; Food subsidy; Health insurance; Hybrid Work.

Freiheit.Com Technologies

Skills & Focus: software engineering, Go, C/C++, Python, Java, machine learning, front end development, distributed systems, Cloud, algorithms
About the Company: We are an engineering organization. Our mission is to “Ship great software” and build custom, large-scale software platforms on time, on budget, on target and …
Experience: Experience in Go, C/C++, Python or Java
Type: Full-time

Wellhub

Skills & Focus: Senior Backend Software Engineer, performance, scalability, cloud-based architectures, RESTful web services, agile environment, SQL/NoSQL technology, multidisciplinary teams, Java/Ruby/Go/C++, problem-solving
About the Company: Wellhub (formerly Gympass) is a corporate wellness platform that connects employees to the best partners for fitness, mindfulness, therapy, nutrition, and slee…
Experience: An engineer with a bachelor’s degree in computer science or equivalent professional experience; experience in architecting large-scale multi-tier web applications and developing complex modern web applications.
Type: Full-time
Benefits: Access to digital fitness programs, online wellness resources, fitness subsidy, flexible work options, paid time off (m…

Sixt

Skills & Focus: developer experiences, automation, cloud platforms, AI-powered solutions, Golang, Python, problem-solving, communication skills, system engineering, scalable
Benefits: Generous Time Off, Work-Life Balance & Flexibility, Great Employee Benefits, Training & Development, Health & Well-bein…

Mollie

Skills & Focus: large-scale systems, API development, service development, technical initiatives, problem-solving, PHP, Java, Go, C#, Python
About the Company: At Mollie, we’re on a mission to make payments and money management effortless for every business in Europe. We started 20 years ago when we launched a more di…
Experience: 3+ years of experience in developing large-scale applications
Type: Full-time

Freiheit.Com Technologies

Skills & Focus: software engineering, C/C++, Python, Java, algorithms, data structures, cloud systems, machine learning, distributed systems, front end development
About the Company: An engineering organization focused on building custom, large-scale software platforms with over 20 years of experience. The company has delivered consistent r…
Experience: 5+ years as a software engineer
Type: Full-time