Top Software Engineer Jobs in Poland

Build and maintain reliable, scalable software systems for Housecall Pro’s platform organization. Own features from design through deployment, troubleshoot complex issues, participate in architecture and code reviews, collaborate with cross-functional teams, establish engineering best practices, mentor junior engineers, and apply AI tools to improve productivity and system quality. The role supports either Identity and Access Management or API development, with Ruby as the primary technology.

Design, build, and operate scalable Java services for real-time sports data and betting systems. Own complex initiatives from architecture through production, contribute to AWS cloud-native systems, mentor engineers, improve testing and engineering practices, and influence technical direction. The role involves distributed systems, 24/7 mission-critical operations, code reviews, stakeholder collaboration, and production support at global scale.

Build and maintain high-performance Java services for global sports data and betting products. Responsibilities include feature design, implementation, testing, production support, cloud-native AWS development, architecture collaboration, code reviews, TDD, and pair programming. The role involves distributed systems processing millions of real-time events and offers growth through collaboration with senior engineers.

Develop and maintain backend software features within a distributed microservices architecture. Participate in the full software development lifecycle, including design, code reviews, testing, performance improvements, 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, code quality, reliability, and operational excellence.

Design and deploy AI-driven features, autonomous agents, and scalable workflows for Cisco Webex Partner Hub. Build production systems using LLMs, vector databases, and agentic frameworks; establish standards for evaluation, prompt engineering, reliability, security, latency, and cost efficiency. Collaborate with product and data science teams, evaluate emerging AI technologies, architect cloud-based platforms, and mentor junior engineers while guiding technical initiatives.

Build and ship backend features for enterprise Coder deployments, including database migrations, observability, reporting, auditing, security, scalability, and reliability improvements. Investigate production issues, resolve operator problems, document designs, participate in code reviews and RFC discussions, and join on-call rotations. The role requires professional Go development, concurrency knowledge, SQL expertise, debugging ability, and strong communication.

Design, build, and operate scalable identity and access management services supporting authentication, authorization, and user lifecycle management. Develop secure APIs, integrate identity systems, apply modern identity protocols, improve reliability and observability, and collaborate with product, security, and infrastructure teams. The role also involves production support, debugging, automated testing, incident response, and exploring AI/ML-driven identity automation.

Develop and maintain React.js user interfaces, reusable components, and front-end libraries. Optimize application performance across browsers and devices, translate designs into code, collaborate with product and backend teams, write tests, debug production issues, and maintain modern React development practices and tools.

Design and implement features, optimize software performance, manage code quality, conduct code reviews, and mentor team members in developing machine learning frameworks like Triton.

Design, develop, test, deploy, and maintain secure cloud-native enterprise applications using full-stack technologies. Build AI-enabled solutions, reusable engineering assets, CI/CD pipelines, automated quality controls, and production-ready prototypes. Apply specification-driven development, DevSecOps, automated testing, cloud engineering, responsible AI, and InnerSource practices. Collaborate with business, product, architecture, security, platform, and operations teams to transition ideas and proofs of concept into scalable, supported production services.

Operate and maintain payment and securities applications, ensuring availability and observability; define SLIs/SLOs; manage patching, compliance and vulnerability remediation; run incident response, continuity drills and on-call rotations; respond to audits; and collaborate across teams to troubleshoot integrations and improve operational resilience.

Develop and modernize full-stack applications using C#, .NET, React, and related technologies. Design REST APIs and microservices, build data-access layers with Entity Framework Core and SQL Server, and contribute to architecture, testing, code reviews, and Agile delivery. Maintain legacy systems while incrementally modernizing functionality, optimize application performance, and collaborate with UX, product, QA, research, data, and operations teams. Integrate AI technologies into applications and support clean, maintainable, scalable software development.

Develop and maintain POS software solutions, collaborate with global retail customers, implement new features, research technologies, and investigate and resolve defects.

Develop and maintain automated test frameworks, scripts, and testing infrastructure for cloud products. Execute automated and manual functional, regression, performance, security, and non-functional tests; analyze results and report findings. Integrate testing into CI/CD pipelines, collaborate with developers and product teams, participate in code reviews, and improve testing processes. The role requires programming in C#, test automation expertise, cloud and API knowledge, performance testing, database familiarity, and strong English communication.

The Infrastructure Software Engineer will build and optimize systems managing vast data, collaborate with teams for reliability, and handle operational issues.

Join the Collections backend team to design, build, and maintain scalable, highly available systems that manage delinquent loans and recovery strategies. Collaborate with product, risk, and engineering teams to implement reliable, well-tested backend solutions, debug large codebases, and contribute to team growth and operational excellence.

Join BlackLine's Krakow engineering hub as a founding senior engineer building an AI-accelerated Invoice-to-Cash SaaS product. Own end-to-end feature delivery, design scalable secure systems, use AI development tools to boost velocity, ensure observability and reliability across microservices, collaborate with cross-functional teams, and mentor colleagues to raise engineering standards.

The Senior Infrastructure Software Engineer will build scalable systems, manage large data, and innovate solutions for performance and reliability, impacting millions of users.

Lead SAP ABAP development and integration of BlackLine applications with SAP Cloud. Design, develop, test, tune, and maintain scalable ABAP solutions (S/4HANA, ECC). Serve as technical lead, mentor junior developers, perform releases and off-hours support, collaborate with product and engineering teams, and document technical specifications and test plans.

Develop platform software for high-performance networking hardware. Responsibilities include Linux kernel and user-space code, IOMMU and ASIC integration, hardware register access, configuration management services, routing protocol agents in C/C++, and automated Python-based testing. Interns receive mentorship, technical training, hackathon opportunities, and may receive a full-time offer after graduation.

Build and evolve Rerun’s open-source viewer, cross-language SDKs, and integrations with Rerun Hub. Develop high-performance interfaces for large-scale multimodal data, optimize workflows across desktop and web, make full-stack architecture decisions, and collaborate with backend, Hub, design, customers, and the open-source community. The role involves UI development, rendering, data handling, infrastructure, real-time applications, visualization, and performance optimization.

Build and maintain cloud automation tools, libraries, and workflow components primarily in Python. Convert operational runbooks into reliable automated workflows, write and test code, debug issues, document solutions, and collaborate with platform and workflow teams. The role emphasizes cloud operations, platform engineering, security, reliability, and reducing manual operational toil.

Senior Angular Software Engineer responsible for architecting, developing, deploying, and supporting enterprise-scale business intelligence applications for Prime Services. The role involves Angular development, SQL and relational databases, CI/CD automation, Git, Docker, Kubernetes, and OpenShift. Responsibilities include technical leadership, mentoring, architectural decision-making, upstream and downstream system integration, production support, and collaboration with business stakeholders. Preferred experience includes financial analytics, PnL attribution, post-trade processing, Apache Pinot, Unix/Linux, shell scripting, and Agile/Scrum.

Develops and maintains platform and fleet orchestration software, automation workflows, APIs, distributed services, and cloud infrastructure capabilities. Responsibilities include coding, testing, debugging, observability, secure development, production support, incident response, documentation, and reliability improvements. Collaborates across engineering, operations, product, and platform teams to automate cloud operations, manage infrastructure lifecycles, support fleet-wide changes, and improve developer and operational experience.

Develop and optimize software solutions for industrial additive manufacturing in an agile team. Responsibilities include designing algorithms, data structures, and software subsystems; debugging complex issues; benchmarking and improving performance, stability, efficiency, and scalability; and contributing to software quality and documentation. The role uses Vue.js, TypeScript, Python, C++, MongoDB, Docker, and automated development tools.