Top Software Engineer Jobs in Poland

Develop and launch scalable backend systems powering Affirm Card checkout and in-app experiences. Break projects into deliverable phases, collaborate with product, design, and analytics, monitor system operations and availability, participate in on-call support, write tested and maintainable code, debug large codebases, conduct code reviews, and contribute to team development.

Design and build LLM-based autonomous security agents and self-healing remediation pipelines. Integrate AI-driven threat detection into CI/CD and GitOps workflows, automate vulnerability research, patching, and security orchestration across cloud-native infrastructure.

The C++/Linux Software Engineer will build software for Boeing systems, perform engineering activities, and collaborate with teams to meet project goals and improve processes.

Develop and maintain React component libraries and micro-frontend App Shell features. Contribute to .NET-to-React modernization, build Java backend services, and work with GCP, CI/CD pipelines, Terraform, and cloud deployments. Write tested, maintainable code, troubleshoot front-end and API issues, participate in code reviews, and collaborate with senior engineers across the software development lifecycle.

Build, deploy, and maintain scalable, secure SaaS features for BlackLine’s AI-powered Invoice-to-Cash platform. The role involves using AI-assisted development tools, contributing to technical design, writing tested code, collaborating with product and engineering teams, and ensuring enterprise-grade performance, reliability, security, and observability. Engineers will work with modern software practices, cloud-native technologies, CI/CD, infrastructure-as-code, and microservices while learning from senior engineers and architects.

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 5G mobile core network software across the full software development lifecycle. Responsibilities include requirements analysis, architecture assessment, development, integration, verification, simulation, tool design, troubleshooting, testing, documentation, and product lifecycle support. The role uses Agile and Lean practices alongside cloud-native technologies, containers, microservices, Kubernetes, and continuous delivery. Candidates need C++ or Go experience, AI agent experience, Linux proficiency, and a telecommunications or computer science degree.

Develop C++ software applications for Radio Units and Java-based test frameworks supporting 4G, 5G, and future 6G technologies. Collaborate with cross-functional teams on system design, software development, and comprehensive testing. Work in Linux-based development environments using software development tools, scripting, version control, and build systems while following agile methodologies such as Scrum or Kanban.

Investigate complex software issues, perform root-cause analysis, and implement improvements that enhance product quality, reliability, maintainability, stability, and observability. Develop, debug, test, and verify software using C++17 or later, automated testing, and approved AI-assisted engineering tools. Collaborate across technical teams, contribute to architecture discussions, automate troubleshooting activities, strengthen verification strategies, and share engineering knowledge.

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 resilient backend software for client projects using .NET and C#. Responsibilities include applying design patterns, resolving security and performance issues, writing complex tests, interpreting code metrics, supporting microservice architectures, and collaborating directly with German- and English-speaking clients.

Develop and maintain C++ software for data logging, visualization, and processing on Linux platforms. Design and execute software tests, troubleshoot defects, prepare technical documentation, support deployed tools, and collaborate with software, hardware, and systems integration teams. The role also involves implementing standards-compliant solutions, resolving project technical issues, and continuously improving technical expertise.

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 maintain AWS cloud-native investment platform applications using TypeScript, React, Node.js, and infrastructure as code. Responsibilities include writing secure, tested, performant software; developing automated tests; supporting applications; contributing to CI/CD, observability, microservices, RESTful APIs, and event-driven architecture; documenting solutions; and collaborating, mentoring, and driving continuous improvement within an Agile team.

Develop and maintain full-stack software for Boeing AvionX, including Python backend services and JavaScript or TypeScript React applications. Own features from design through delivery, build accessible interfaces, integrate RESTful APIs, write automated tests, participate in code reviews, and use Git, Docker, and CI/CD pipelines. Collaborate with product, UX, QA, and DevOps teams while contributing to sprint planning and continuous improvement.

Design, implement, test, and maintain full-stack applications using Python, JavaScript or TypeScript, React, RESTful APIs, and databases. Build accessible user interfaces, backend services, automated tests, and CI/CD workflows in containerized environments. Conduct code reviews, mentor engineers, collaborate with product, UX, and QA teams, and contribute to planning and process improvement for avionics software products.

Develop and maintain responsive, accessible frontend applications using JavaScript, TypeScript, React, and other modern frameworks. Own features from design through testing and delivery, write unit and integration tests, conduct code reviews, mentor engineers, collaborate with product and UX teams, manage Git workflows and CI/CD pipelines, and work with Docker-based environments. Contribute to sprint planning, technical design discussions, performance optimization, and continuous process improvement.

Build and support batch and streaming data pipelines, curated datasets, and Lakehouse platform capabilities. Responsibilities include data modeling, transformation, optimization, quality validation, reconciliation, testing, monitoring, and production support. The role partners with engineers and data consumers to deliver reliable data products for analytics, operational decision-making, and AI use cases.

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.

Develops custom software and data platform solutions under team guidance. Completes assigned development tasks, troubleshoots straightforward technical issues, works with data integrations and pipelines, applies software engineering and Agile practices, and follows validation, quality, and regulatory requirements. The role emphasizes learning, collaboration, transparent communication, and growth across programming, databases, cloud services, DevOps, and data engineering.

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 software for autonomous UAVs operating without GPS or communications. Build embedded Linux systems on Raspberry Pi, integrate autopilots, cameras, and onboard devices, and create computer vision pipelines for detection, tracking, and image processing. Develop internal visualization and test-data analysis tools while applying software engineering practices including Git, CI, testing, and deployment.

Build and maintain foundational security components for SaaS and on-premise products using Go and/or C++. Develop secure, tested, scalable software; troubleshoot production issues; improve automation, reliability, compliance, and operations. Participate in 24/7 on-call and SRE responsibilities while collaborating with engineering, product, and support teams. Preferred experience includes cloud infrastructure, Kubernetes, Terraform, cybersecurity services, secrets management, cryptography, observability, and HashiCorp tools.

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.