Top Software Engineer Jobs in Warsaw

Build and maintain full-stack platform products spanning reporting, enterprise administration, developer APIs, agent systems, billing, licensing, and usage metering. Architect, test, deploy, and support production systems while collaborating with engineering, infrastructure, product, design, and support teams. Contribute to scalable media-processing and streaming applications, operational health, architecture, roadmap decisions, and customer-driven feature development.

Provides senior Avaloq development services for banking and wealth management transformation initiatives. Designs, configures, enhances, integrates, and migrates Avaloq solutions; analyzes requirements; troubleshoots complex issues; and collaborates with clients, architects, and technical specialists. The role also contributes to testing, code quality, solution design, maintainable development practices, and knowledge sharing under an independent B2B contract.

Develop and maintain high-traffic backend services for internal and external clients using PHP or Go. The role involves microservices, distributed systems, APIs, databases, queues, observability, testing, CI/CD, and cloud-native technologies. Responsibilities include writing efficient and maintainable code, participating in code reviews, pair programming, Scrum ceremonies, technical discussions, and system design activities within a distributed international engineering team.

Develop and maintain high-traffic backend services for internal and external clients using PHP or Go. Responsibilities include designing microservices and distributed systems, building APIs, working with SQL, NoSQL, queues, observability tools, and CI/CD workflows, while following TDD, pair programming, code review, and Scrum practices. The role involves collaboration with distributed international engineering teams and requires fully office-based work.

Develop and modernize full-stack .NET solutions for shipment booking systems. Responsibilities include designing interfaces, building scalable services, optimizing code and databases, troubleshooting distributed systems, improving application security, conducting code reviews and testing, and delivering projects collaboratively across global engineering teams.

Develop and maintain reliable backend functionality using APL and C#/.NET for investment-management software. Responsibilities include component design, testing, performance optimization, bug investigation, code reviews, CI/CD, Git workflows, and collaboration with product and engineering stakeholders. The role involves modernizing enterprise software, cloud enablement, integrations, and learning APL with company support.

Build and operate Snowflake’s Cortex AI Functions platform, enabling scalable AI inference through SQL. Responsibilities include designing distributed backend systems, implementing high-throughput services, managing concurrency and failures, developing APIs, improving reliability and observability, supporting production rollouts, collaborating with research and product teams, and mentoring engineers.

Lead software engineering efforts for Samsara’s External Platform EMEA, building scalable distributed systems, APIs, reporting, administration, integrations, and business-critical infrastructure. Lead technical discussions, influence architecture and roadmap, deliver full-stack features, maintain production systems, and support customer-focused iteration. Mentor engineers, hire and develop high-performing teams, and contribute to machine learning-powered products and long-running projects.

Develops and maintains React-based web applications using JavaScript and TypeScript. Responsibilities include building features, optimizing performance and scalability, troubleshooting incidents, creating automated tests, integrating RESTful APIs, participating in code reviews, and collaborating with UX, QA, clients, and customer success teams. The role also involves applying DevOps practices and working with cloud technologies, distributed applications, databases, and messaging systems.

Build and operate backend-first, distributed platform services powering APIs, integrations, eventing, and analytical data systems to enable AI agents and enterprise-scale agentic workflows. Design for high throughput, reliability, security, and observability; apply AI-assisted engineering tools; mentor engineers and influence architecture, tooling, and developer experience.

Architect, develop, and scale cloud services, dashboards, and data pipelines to support robotics and autonomous vehicle telemetry. Integrate IoT devices with Azure services, build APIs/microservices, implement observability and CI/CD, validate systems in lab and field, and mentor junior engineers.

Develop and architect complex .NET full-stack applications, define interfaces, optimize and refactor code, troubleshoot production issues, and improve application security. Collaborate with product managers and stakeholders, estimate project dependencies, conduct code reviews and testing, and mentor software engineers. The role requires relational database, REST, CI/CD, and cross-team communication experience, with Polish and English fluency.

Owns backend architecture and production reliability for a high-load data quality platform processing millions of checks daily. Responsibilities include orchestration, scheduling, PostgreSQL performance optimization, migration of analytical workloads to ClickHouse, asynchronous systems, observability, incident response, UI contributions, and 24/7 on-call participation. The role also involves partnering with data, infrastructure, and business teams to deliver scalable product improvements.

Build and maintain developer tools across SDKs, React Email, CLI, MCP, integrations, and supporting backend services. Collaborate on APIs, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable interfaces, error handling, and backward-compatible experiences. The role also involves operating systems with authentication, retries, rate limits, queues, monitoring, and error recovery.

Build and ship native Android features in Kotlin for an AI-enabled neobank. Collaborate with product and design to create clean user journeys, integrate backend APIs, improve performance and reliability, use analytics and production data to iterate, and implement on-device AI where it improves the UX.

Design and build production systems that let AI agents author and verify code changes within deterministic gates. Own features end-to-end, define trust boundaries and least-privilege models, implement observability and auditing, collaborate with security and platform teams, and apply engineering best practices to keep agentic systems secure and auditable.

Designs, develops, tests, deploys, operates, and maintains software for IKEA’s Digital Automation products and platforms. Responsibilities include workflow automation, integrations, APIs, cloud services, low-code or pro-code extensions, data models, and AI-enabled capabilities. The role works in agile, cross-functional teams, applies DevOps and modern software engineering practices, creates prototypes and technical documentation, and continuously improves software quality, reliability, security, and delivery effectiveness.

Build and maintain full-stack features across frontend and backend, improve legacy code, and help shape product direction. The role requires JavaScript, TypeScript, React, Node.js, HTML/CSS, testing, Git, and hands-on agentic AI experience. The engineer will work autonomously within a remote product team, participate in agile development, and contribute to maintainable, user-focused software.

Builds software solutions for end users as a general full-stack engineer. The role emphasizes collaboration, ownership, accountability, fast-paced execution, adaptability, multitasking, rapid learning, and an ambitious, outcome-driven approach.

Build BLP’s core software across infrastructure, backend, machine learning, and product extension platforms. Responsibilities include operating secure and observable cloud infrastructure, developing performant distributed systems, applying AI to business problems, and enabling customer process automation. The role emphasizes formal reasoning, correctness by construction, maintainable systems, type systems, and functional programming. Work is available onsite in Zurich or remotely within Europe.

Build and support enterprise software applications, SaaS integrations, and internal systems for HR, payroll, finance, and other teams. Develop full-stack solutions, service integrations, automated tests, and secure interfaces; contribute to architecture, cloud migration, CI/CD, system upgrades, and platform modernization. Collaborate with business stakeholders, DevOps teams, vendors, and technology groups to resolve operational issues and deliver resilient, scalable applications.

The Senior Software Engineer will design and implement scalable data streaming solutions, develop DevOps tools, and improve system usability and observability.

Develop and maintain backend software features within distributed microservice architectures. Participate in the full software development lifecycle, including design, coding, reviews, testing, performance improvement, observability, incident resolution, and postmortems. Collaborate with senior engineers, product management, and SRE/DevOps teams while using AI coding tools and continuously improving technical skills and code quality.

Design, build, and operate scalable Java services supporting real-time sports data and betting products. Own complex technical initiatives from architecture through production, contribute to AWS cloud-native systems, mentor engineers, improve testing and engineering practices, and influence technical direction across distributed teams.

Build, test, deploy, and maintain high-performance Java services processing millions of real-time sports events. Collaborate on distributed systems, AWS cloud-native solutions, architecture, peer reviews, TDD, and production operations. Work closely with senior engineers through pair programming and collaborative problem-solving while developing ownership of features and services.