Top Software Engineer Jobs in Poland

Own and improve Langfuse SDKs (Python and TypeScript), ensuring reliability, performance, API design, integrations with AI frameworks, OpenTelemetry support, documentation, and developer experience.

Design, architect, and deploy end-to-end AI solutions (RAG pipelines, autonomous agents) to improve risk management. Translate regulatory and capital requirements into technical specifications and prompts, build infrastructure and testing strategies, and collaborate with regulators, senior risk managers, and engineering teams on distributed AI systems.

Lead optimization of concurrent systems, scale backend microservices, and collaborate with developers and engineers on deployment for retail solutions.

Develop high-quality software for robotics applications focusing on simulations and performance improvement in ROS(2) environments. Requires experience in C++ and Linux.

Develop and improve algorithms for automated treatment-planning software using modern C++ (C++17+). Work in an agile team, engage with clinical experts and product owners, design and implement complex algorithms, create prototypes, participate in architecture and code reviews, write tests and technical documentation, follow medical-device regulatory guidelines, mentor peers, and support production monitoring and maintenance.

Develop, test, and deliver C++ features for a Windows-based 3D CAD system and supporting cloud services. Implement and prototype functionality, improve algorithms for performance, write unit tests, participate in code reviews, and collaborate with QA, product, and cross-functional teams to clarify requirements and ensure high-quality releases.

Lead design and execution of test plans for 3D CAD applications, APIs and AI features. Develop and maintain Python-based automated tests, manage datasets for AI, validate AI algorithms, set up CI, perform non-functional testing, analyze results, and collaborate with cross-functional teams to ensure production-ready releases.

Lead end-to-end design and delivery of customer-facing features in C++ and Go, implementing high-performance 3D geometry and numerical algorithms, owning architecture and technical decisions, mentoring engineers, coordinating cross-team dependencies, ensuring testability and regulatory traceability for medical software.

Develop and modernize clinical research software using C++ and Go; maintain legacy code, implement unit/integration tests, ensure regulatory compliance, collaborate with cross-functional teams, and use AWS, Kubernetes, Docker, and CI/CD in an Agile/Scrum environment.

Build and ship browser-based 3D interactive features using React, Three.js, and WebGL; integrate frontend with a C++ computational backend on AWS; use AI tools (Claude Code) to accelerate development; prototype AI-powered product features; and collaborate with clinical scientists, UX, ML engineers, and QA.

Design and build the developer-facing project, secrets, and observability platform connecting Magic Containers, Edge Scripting, and Bunny Database. Implement environment management, secrets APIs, unified logs/metrics, fine-grained API keys/permissions, and multi-tenant secure systems. Drive API design, testing, and architecture decisions across the Core API team.

The role involves developing software for networking devices using C/C++ and Python, along with testing and integration tasks.

Join a Scrum team to build and extend backend services for a cloud SaaS platform. Implement features, write unit/integration/end-to-end tests, participate in code reviews, troubleshoot bugs, and help deliver incremental releases while collaborating with architects, engineers, and stakeholders.

Lead design and delivery of distributed, cloud-native SaaS ingestion infrastructure on Azure. Define architecture and non-functional requirements, own reliability and observability, lead cross-team deployments (AKS, Event Hubs/Service Bus, Cosmos/SQL), drive post-incident improvements, champion IaC and platform best practices, mentor engineers, and partner with product and stakeholders on trade-offs.

Designs and executes test plans for Power BI reports, dashboards, ELT pipelines and web-based data tools. Validates data integrity using SQL, verifies transformations and mappings, logs defects, performs regression/integration testing, and collaborates with engineers and analysts to improve reporting and data validation frameworks while ensuring governance and performance.

The Senior Software Engineer will enhance Redpanda's observability platform, focusing on metrics, logging, and traces to ensure system health and performance while collaborating with engineering teams.

The Staff Software Engineer will design, build, and operate systems for the Agentic Data Plane, ensure reliability and scalability, and manage large technical projects.

Design, build, and deliver applications in an Agile environment, collaborating with Product Managers and QAs, while leading technical projects.

Improve reliability, observability, and scalability of Enode's connectivity layer. Build and maintain API integrations with OEMs and energy partners, reduce incidents, enhance monitoring and alerting, drive complex projects to release, uphold code quality and testing, collaborate with product, and mentor teammates while applying AI tooling strategically.

Senior Software Engineer (Python) on the Architecture team to build and scale a finance platform. Work on backend services using Python and Go, GraphQL/gRPC, PostgreSQL, Docker/Kubernetes, and GCP. Focus on async programming, performance optimization, distributed and event-driven systems, CI/CD and IaC, and operating in regulated, multi-stakeholder environments. Mentor junior engineers and contribute to platform architecture.

Design, develop, and maintain scalable backend systems and microservices (payments, treasury, transactions, crypto). Build REST APIs using Java and Spring Boot, emphasize clean code, TDD/DDD, CI/CD, and improve existing systems.

Build and scale developer-focused products and tooling using React and Electron; prototype quickly, contribute to open-source and community growth, work in a small cross-functional team, integrate with Kubernetes and cloud services, consume and design APIs (OpenAPI/GraphQL), and follow Git/GitOps, CI/CD and agile workflows.

Design, implement, and maintain Java-based enterprise applications for embedded licensing. Analyze requirements, produce technical designs, write clean multithreaded code, perform code reviews, integrate services via RESTful APIs, troubleshoot customer issues with TAC, and mentor junior developers.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

The Senior Software Engineer II will enhance software, design systems, conduct code reviews, mentor peers, and ensure quality and compliance.