76 Backend Engineer jobs in Warsaw.

Warsaw

• Skills: software development, Java, PHP, Scala, algorithms, data structures, object-oriented programming, public cloud systems, Agile management, coding standards
• Experience: 6+ years of professional software development experience
• Type: Full-time

Warsaw

• Skills: Senior Staff Backend Engineer, technical vision, strategy and execution, fast-paced environment, autonomous work, collaborative environment, technical risks, appointment bookings, financial technology solutions, marketing automation
• Type: Full-time

Warsaw

• Skills: .NET, back-end, integration, CI/CD, Docker, Kubernetes, cloud, Azure, SCRUM, SQL
• Experience: Minimum 3 years of experience in .NET programming
• Type: Full-time

Warsaw

• Skills: Ruby on Rails, API interfaces, backend infrastructure, DevOps, software development lifecycle, testable code, object-oriented programming, Redis/Memcache, RDBMS engines, open source contributions
• Experience: 5+ years in developing Rails applications
• Type: Full-time

Warsaw

• Skills: InsurTech, home insurance, IoT monitoring devices, software, back-end developer, team culture, trust, empathy, positivity, startup
• Experience: Mid-level
• Type: Full-time

Warsaw

• Skills: eCommerce, payments, consumer credit, BNPL, back end development, technical scaling, global teams, CET time zone, VC investment, industry pioneer
• Type: Full-time

Warsaw

• Skills: .NET, C#, backend functionalities, clean architecture, distributed cloud systems, NoSQL databases, TDD, DDD, DevOps, AWS

Warsaw

• Skills: Backend Development, Java, Serverless Architectures, Frontend Experience, Scalable Distributed Systems, Data Modeling, RESTful APIs, Event-Driven Systems, Technical Leadership, CI/CD Pipelines

Warsaw

• Skills: Java, AWS, Kubernetes, Docker, Datadog, REST, open banking, payments products, agile squads, e-commerce
• Type: Hybrid

Warsaw

• Skills: Golang, Software Engineer, Messaging, Real-time Communication, Integration, B2B, Scalable, Secure, Reliable, Enterprise

Warsaw

• Skills: software engineer, Brandsplace, Connected Commerce, digital commerce, sales, team, development, European brands, commerce landscape, leadership

Warsaw

• Skills: Java, Spring Boot, MySQL, microservice architecture, manual testing, troubleshooting, documentation, architectural discussions, technical improvements, coding
• Experience: Min. 2-3 years of experience
• Type: Full-time

Warsaw

• Skills: backend engineer, TypeScript, React, Scala, collaboration, product development process, user experience, clean code, deployments, hybrid work
• Experience: 4 or more years of backend experience
• Salary: 25,667 PLN - 32,667 PLN

Warsaw

• Skills: software development, Java, Python, PHP, search, platform, scalable, distributed systems, Agile, Elasticsearch
• Experience: 5+ years of professional software development experience
• Type: Full-time

Warsaw

• Skills: Back-end, Developer, InsurTech, Home Insurance, Tech Experience, Culture Fit, Teamwork, Digital Products, Empathy, Positivity

Warsaw

• Skills: Backend, C#, Engineer, Tech Leader, microservices, architecture, documentation, performance testing, API endpoints, refactoring

Warsaw

• Skills: data science, software development, clinical trials, Kubernetes, Python, JavaScript, Agile, big data, microservice, cloud
• Experience: 8+ years of relevant collaborative software development experience
• Type: Full time

Warsaw

• Skills: Java, SpringBoot, REST, Cloud-native, Microservices, Concurrency, Kubernetes, Ansible, Data Structures, Investment Banking
• Experience: 6-7 years

Warsaw

• Skills: software engineer, payment technology, agile, APIs, scalability, security, web applications, transaction platforms, real-time payments, cross-functional
• Type: Hybrid

Warsaw

• Skills: Web3, Blockchain, Smart Contracts, Programming, API Design, RESTful Services, Microservices, Backend Development, Distributed Systems, Cryptography
• Experience: 2+ years of experience working in Web3, 5-10+ years of professional programming experience
• Type: Full time

Warsaw

• Skills: software development, APIs, REST, GraphQL, Node.js, Python, SQL, AWS, messaging applications, email
• Experience: 7+ years of experience in software development in one or more programming languages (e.g., JavaScript, Python, C++, Java)
• Type: Full time
• Salary: PLN 301K – PLN 337.4K

Warsaw

• 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

Warsaw

• Skills: software engineering, payment technology, distributed systems, agile, scalability, security, frontend technologies, collaboration, debugging, web applications
• Type: Hybrid

Warsaw

• Skills: Java, PostgreSQL, MongoDB, hazelcast, Solace queues, REST, KONG API, back-end software engineering, real-time data processing, Agile delivery methodologies
• Experience: 7+ years of experience in back-end software engineering with Java.

Warsaw

• Skills: Backend, Microservices, APIs, Go, PHP, Scalability, Docker, Kubernetes, Collaboration, Mentorship
• Experience: Great experience working with backend technologies, ideally with Go or PHP, and willingness to learn the other language(s)
• Type: Full Time
• Salary: 19800 - 33400 PLN/Month

Warsaw

• Skills: Backend Services, Python, Rust, Cloud Experience, Distributed Systems, Service Integration, Code Reviews, Architecture Design, Testability, Team Collaboration
• Type: Full-time

Warsaw

• Skills: Python, Flask, FastAPI, GraphQL, Rest API, Postgresql, MySQL, AWS RDS, CI/CD, Docker
• Experience: 4+ years of professional software development experience
• Type: Full-time

Warsaw

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

Warsaw

• Skills: Ruby, Elixir, GraphQL, Typescript, Kubernetes, Microservices, Event-driven architecture, Kafka, SDLC, Domain-driven design
• Experience: 3+ years
• Type: Full-time

Warsaw

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

Warsaw

• Skills: Senior Backend Engineer, Payments, Java, Spring Boot, MySQL, Kafka, Microservice Architecture, Software Engineer, User Experience, Payments Industry
• Experience: Min. 7 years of experience in using Java + Spring Boot framework

Warsaw

• Skills: data pipelines, Java, AWS Lambda, SQS, EventBridge, data integrity, RESTful APIs, monitoring, CI/CD, automated testing

Warsaw

• Skills: microservices, architect, Node.js, MongoDB, Kafka, AWS, Docker, Kubernetes, distributed systems, technical roadmap
• Experience: Minimum 10 years of software development experience, including at least 3 years in an Architect or Principal Engineer role.
• Type: Full-time

Warsaw

• Skills: Java, Kafka, Solace queues, REST, data processing, Agile, API integrations, scalable solutions, collaboration, financial services
• Experience: 12+ years
• Type: Full-time

Warsaw

• Skills: metadata processing, Python, SQL, asyncio, FastAPI, Celery, Postgres, Kubernetes, agile development, problem-solving

Warsaw

• Skills: payment transactions, microservice architecture, Java, Spring Boot, MySQL, Kafka, high throughput, financial services, cloud technologies, end-to-end development
• Experience: Min. 4 years of experience in Java + Spring Boot framework

Warsaw

• Skills: Chrome Extensions, Full Stack Software Engineering, Python, Java, JavaScript, Typescript, HTML/CSS, SQL, Automation, Data Storage
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Warsaw

• Skills: PHP, Symfony, MySQL, RabbitMQ, Redis, GitHub, DataDog, Agile, Backend Development, APIs
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Warsaw

• Skills: Java, Spring Boot, microservices, PostgreSQL, CI/CD, AWS, Fintech, software engineering, real-time payments, orchestration engine
• Type: full_time
• Salary: {'min': 21000.0, 'max': 28000.0, 'period': 'monthly', 'currency': 'PLN'}

Warsaw

• Skills: .NET, back-end development, DevOps, Git, Bamboo, Terraform, QA collaboration, system monitoring, observability, Scrum methodology
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Warsaw

• Skills: Java, Object-Oriented Principles, RESTful services, Spring Boot, SQL, Hibernate, Concurrency, Docker, Kubernetes, Kafka
• Type: other
• Salary: {'min': None, 'max': 160.0, 'period': 'hourly', 'currency': 'PLN'}

Warsaw

• Skills: Kotlin, Spring, Hibernate, DDD, hexagonal architecture, software development, SaaS, insurance technology, modeling, open source
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Warsaw

• Skills: SDLC, backend development, full-stack systems, .Net, PHP, Vue, ReactNative, Kubernetes, AWS, technical mentorship
• Type: full_time
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Warsaw

• Skills: Java, Spring Boot, SQL, RabbitMQ, ELK, Datadog, monitoring tools, multi-brand platform, flexibility, scalability
• Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}