Top Software Engineer Jobs in Warsaw

Design, build, and operate highly available backend communications systems across multi-region and multi-tenant environments. Develop messaging infrastructure, APIs, vendor integrations, observability, and resilient distributed services. Define technical goals, service-level objectives, and operational practices; participate in on-call support; collaborate cross-functionally; improve engineering standards; and mentor teammates.

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.

Develop and maintain highly concurrent, distributed backend services for cloud communications. Design, test, optimize, and document reliable features; contribute to architecture and coding standards; diagnose performance issues; estimate development efforts; and provide on-call support. The role requires Go or Java/Spring Boot experience, enterprise-scale systems expertise, containerized applications, REST services, relational and non-relational databases, and comprehensive testing skills.

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.

Build and launch customer-facing AI product capabilities from concept through production, measurement, and iteration. Partner with Product, Design, Data, Security, and platform teams to create reliable, measurable, trusted AI experiences. Responsibilities include evaluating probabilistic systems, designing failure paths, monitoring adoption and quality, supporting production readiness, and using customer feedback to improve, pause, or retire features.

Develop and maintain distributed software-defined networking tools for Akamai’s global cloud platform. Responsibilities include building features, writing automated tests and performance benchmarks, designing scalable and reliable software, creating reusable libraries, collaborating across teams, and documenting developer tools. The role requires Java and Spring experience, familiarity with Go and Python, optional C knowledge, and an understanding of IP addressing, routing, networking protocols, and equipment.

Develop and evolve Flix’s mature mobility-partner coordination product. Design new products, solve architectural challenges, reduce manual processes, and explore AI-driven solutions. Collaborate within a distributed Agile team, make technical decisions, write clean and tested code, improve technical excellence, and deliver user-focused, data-driven solutions using Java and Kotlin.

The Software Developer will design and develop web applications, improve system reliability, and collaborate on architecture and deployment strategies.

Develop and scale NVIDIA DGX Cloud systems software across Kubernetes, GPU infrastructure, distributed inference, and cloud platforms. Lead performance characterization, benchmarking, monitoring, automated testing, debugging, and root-cause analysis for ultra-large clusters. Build continuous performance testing through CI/CD, optimize AI workloads and cost per token, collaborate with customers and researchers, and engage with Kubernetes, CNCF, and NVIDIA open-source communities.

Design, build, and optimize GPU-accelerated deep learning inference software and frameworks (e.g., SGLang, vLLM). Profile and tune LLM and Generative AI model serving across NVIDIA accelerators, contribute code to inference libraries, and collaborate across teams to deploy high-performance multi-GPU solutions.

Build and launch customer-facing AI product capabilities from concept through production. Translate ambiguous opportunities into testable product slices, use existing retrieval, evaluation, guardrail, prompt, and observability services, and measure adoption and quality. Partner with Product, Design, Data, Security, and platform teams while ensuring reliable failure handling, production readiness, automated testing, observability, and continuous improvement based on customer feedback and business outcomes.

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.

Develop and maintain scalable backend services, REST APIs, and frontend applications using .NET, Angular, and TypeScript. Design solutions aligned with architecture, performance, and security requirements; contribute to testing, code reviews, monitoring, CI/CD pipelines, and technical backlog prioritization. Work with Azure cloud services, SQL Server, distributed systems, messaging platforms, Docker, and Kubernetes. Collaborate with product and engineering stakeholders to deliver high-quality features and resolve client-reported issues.

Modernize Point72’s profit-and-loss reporting platform by building scalable data pipelines, reconciliation workflows, analytical applications, validation tools, and visualizations. The role owns features through design, development, testing, deployment, and support while partnering with finance and valuation stakeholders. It requires strong Python or C# development, T-SQL, Airflow, ETL, data visualization, React, numerical accuracy, data quality, and operational reliability skills.

Develop and maintain automated tests for Veeam products, enhance testing frameworks, design and implement tests, analyze source code and results, manage defects, support automated testing systems, and build testing infrastructure. The role requires C# programming, familiarity with Windows or Linux, and collaboration with international software development teams.

Develop and maintain automated tests for Veeam products, enhance testing frameworks, analyze source code and test results, manage testing infrastructure, support automated testing systems, and maintain defect records. Collaborate with software development teams while using Python and related testing technologies across Windows and Linux environments.

Build and maintain end-to-end ERP features across Django backend services and Next.js frontend applications. Develop models, APIs, database migrations, tenant isolation, and row-level security; understand legacy C++ desktop behavior; write tests, monitor production releases, conduct code reviews, and collaborate with senior and junior engineers. The role requires independent delivery, strong communication, attention to quality, and a focus on reliable, performant systems.

Build and operate developer platforms, tooling, AI agents, CI/CD pipelines, AWS infrastructure, and internal services. Develop production-quality automation in TypeScript, JavaScript, or Python; create reusable Infrastructure-as-Code patterns; improve platform reliability, observability, security, and developer experience; and partner with application teams to enable efficient software delivery.

Software Developer Interns work with experienced engineers to develop software solutions for algorithmic trading across areas such as data engineering, risk, market data, quantitative development, and frontend systems. Responsibilities include independent programming projects in Python or C++, collaboration with mentors, and building software used to support active trading. The internship lasts at least 12 weeks and is based in Warsaw.

Designs and maintains scalable architecture for clinical R&D software platforms, including CTMS and Veeva eTMF. Builds code, API integrations, data pipelines, CI/CD processes, automated testing, and cloud solutions. Manages SaaS lifecycle, technical debt, security, system performance, and software quality. Partners with R&D, Clinical Development, Medical Affairs, and Product leadership to translate business strategy into technical roadmaps and Agile delivery plans.

Design and build Go services for Telnyx’s serverless platform, function deployment pipeline, global control plane, and edge infrastructure. Own backend APIs, resource lifecycles, workload deployment, asynchronous workflows, observability, and reliability. Work with Kubernetes, distributed systems, relational databases, and multi-region services. Improve developer experience through APIs, CLI tooling, and clear error handling, while participating in on-call and diagnosing production performance and reliability issues.

Develop and maintain high-availability distributed systems supporting Akamai’s global network. Responsibilities include full product lifecycle ownership, improving testing, deployment, monitoring, and maintenance capabilities, mentoring junior engineers, and evaluating technologies for network operations automation. The role requires Linux/Unix development experience, Python, Go, or shell scripting, knowledge of internet protocols, version control expertise, and strong communication skills.

Design, develop, and maintain high-availability distributed systems supporting Akamai’s global network. Responsibilities include full product lifecycle ownership, improving testing, deployment, monitoring, and maintenance, mentoring engineers, and evaluating network operations technologies. The role requires extensive Linux/Unix development experience, proficiency in Python, Go, or shell scripting, knowledge of internet protocols, and familiarity with multiple version-control systems.

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.