Top Software Engineer Jobs in Poland

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

Design, implement and maintain middleware for embedded automotive systems. Collect and analyze software requirements, produce design documentation, program modules, perform tests, integrate IPC and communication protocols, coordinate/lead SW activities, support clients and cross-team collaboration while following SW development standards.

Design, develop, test, deploy and maintain scalable .NET/Angular eCommerce and customer‑experience applications. Collaborate with architects, DevOps, and QA in Agile teams, conduct code reviews, support production incidents, adopt CI/CD and AI-assisted tools, and integrate AI features like NLP or recommendations where relevant.

Join Primer's Growth team to build self-serve merchant onboarding features. Ship React frontend dashboard work, deploy to production, monitor impact, collaborate with Design, and contribute to Python backend code when needed.

Build and own merchant-facing frontend projects end-to-end. Lead frontend architecture, produce RFCs/ADRs, create composable performant accessible UI, monitor production impact, respond to incidents, and mentor engineers while ensuring high code quality and measurable outcomes.

Design, develop, and maintain cloud-native entitlement management services (full stack) on AWS. Own components end-to-end, improve architecture, ensure scalability, performance, security, CI/CD, containerized deployments, monitoring, troubleshooting, and mentor mid-level engineers while collaborating across product and IT teams.

Develop and maintain a trading risk platform using C++ on Linux. Collaborate on service-oriented architecture and optimize for performance with a focus on engineering excellence.

Develop software for risk data pipelines, collaborating with trading teams to manage trade data, improve capital efficiency, and automate operations.

Lead technical direction and hands-on execution for major products and systems. Design scalable and reliable architectures across backend, frontend, APIs, databases, and infrastructure; write code, prototype, review, debug, and solve production issues. Drive architecture trade-offs, translate ambiguous product needs into technical plans, improve engineering quality, lead critical initiatives, and mentor engineers across teams in a distributed global environment.

Owns technical direction and execution for major products and systems. Designs scalable and reliable backend, frontend, API, database, and infrastructure solutions; writes production code; drives architecture decisions; resolves complex engineering problems; improves testing, security, observability, and development practices; and mentors engineers across teams.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write production code; lead architecture decisions; solve complex engineering problems; improve testing, security, observability, and development practices; and mentor engineers across teams.

As a Senior Software Engineer, you'll design and develop scalable cloud-native applications in AWS, collaborate with teams, and ensure code quality through reviews and testing.

Build and ship end-to-end features and agentic automations for North, Cohere's AI workspace for finance. Integrate financial data sources, enforce data isolation and RBAC, collaborate with Product/UX/ML/Sales, work with finance customers, ensure reliability/security/auditability, and iterate on platform capabilities using AI where appropriate.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

The Software Engineer II role involves designing, developing, and maintaining innovative product features, collaborating on architectural discussions, mentoring peers, and delivering scalable solutions.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Build and maintain high-throughput data pipelines, design schemas and data models, implement IaC and CI/CD, collaborate with Data Science/AI on feature stores and MLOps, monitor containerized systems, and advise stakeholders on data architecture.

Design, build and maintain client‑facing and server‑side components of web applications. Work across front-end and back-end stacks, implement APIs, databases, CI/CD, containerisation and cloud infrastructure, write tests, participate in architecture and Agile processes, and collaborate with product and design teams.

Develop and maintain front-end and some back-end features for SDO Controller and Mosaic Network Controller using React, Java and Spring. Design and document features, write unit and component tests, participate in design/code reviews, fix bugs, coordinate across teams, and support deployment and incremental releases.

Responsible for developing and supporting kernels for linear algebra operations on AI hardware, optimizing performance and debugging issues.

The Senior Software Engineer will design and evolve an ML application-level simulator, predict system behavior, and work with various teams to drive its adoption as a decision-making tool.

The Staff Software Engineer will set technical strategies, develop backend systems, collaborate across teams, ensure operations, and foster a culture of quality and ownership. Responsibilities include leading projects and mentoring team members.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

Lead Elasticsearch vector search initiatives, designing and implementing search features, algorithms, data structures, and bug fixes. Improve vector similarity functionality, search relevance, performance, and code quality while collaborating with a globally distributed engineering and open-source community. Provide technical leadership, guide projects autonomously, review code, triage issues, and contribute modern Java code across Elasticsearch and Lucene.

Lead the design and implementation of vector similarity search features in Elasticsearch. Develop modern Java software, invent or implement algorithms and data structures, improve search relevance and performance, fix complex bugs, and contribute to Lucene. Collaborate autonomously with globally distributed engineers and open-source contributors, guide cross-functional initiatives, review code, and support technical decisions across projects and codebases.