Top Software Engineer Jobs in Poland

Design and build production-grade mission, behavior, and motion planning systems for autonomous ground support vehicles in airport environments. Responsibilities include selecting planning algorithms, defining software architecture, optimizing trajectories, handling uncertainty, collaborating with perception and controls teams, promoting functional safety practices, and mentoring engineers. The role requires strong C++ or Python skills, Linux experience, autonomous systems planning expertise, and the ability to independently solve complex technical problems.

Develop and optimize cross-platform C++ software for Zebra smart cameras and desktop machine-vision tools. Responsibilities include building Linux runtime engines, image-processing pipelines, IPC systems, tests, documentation, and development tooling. The role requires performance optimization on resource-constrained hardware, code reviews, debugging, architecture decisions, AI-assisted development, and mentoring junior engineers while working independently.

Design, build, and evolve GitLab Duo CLI features using TypeScript, including interactive terminal experiences, command design, output formatting, reliability, observability, performance, and backward compatibility. Own technical problems end to end, make architectural decisions, collaborate across product and engineering teams, conduct thoughtful code reviews, mentor engineers, and contribute to JetBrains and VS Code integrations when appropriate.

Own and productionize localization, mapping, calibration, and state-estimation systems for autonomous ground vehicles operating at active airports. Responsibilities include sensor fusion, 3D mapping, calibration, online validation, diagnostics, regression testing, deployment, and safety monitoring. The role provides technical leadership across perception, planning, and platform teams while advancing autonomous operations toward driverless capability.

Design, develop, and maintain scalable React-based web applications, contributing to front-end and back-end development, APIs, integrations, testing, documentation, and production support. Translate business needs into technical solutions, improve application performance and reliability, and mentor junior developers. Collaborate with cross-functional teams across Canada and internationally while promoting engineering best practices, CI/CD, automated testing, and code quality.

Own end-to-end development of Kimchi Studio features, a desktop application for collaborative autonomous coding agents. Design, implement, test, and roll out product capabilities using TypeScript, Electron, React, Node.js, and Go. Diagnose performance issues with query profiles and flame graphs, prioritize UX polish and speed, and collaborate directly with product and engineering teams in a remote-first environment.

Develop and maintain cloud-based and legacy risk management software, integrating SimCorp Dimension and Axioma Risk solutions. Collaborate with product owners and engineering teams to coordinate development, improve code quality, ensure coherent user experiences, and deliver business value. The role requires solving complex problems, designing software architecture, implementing automated testing, and contributing to Azure-based solutions using C# and related technologies.

Design, build, and scale Java backend services supporting global payments infrastructure. Own features from architecture through deployment, develop distributed systems and APIs, improve performance and reliability, participate in on-call support, and mentor engineers. Collaborate in an agile environment while contributing to technical strategy, system design, testing, observability, and continuous engineering improvements.

Lead quality strategy and testing for complex 3D/CAD/CAM manufacturing software. Responsibilities include defining test plans and quality gates, developing Python automation, conducting functional, integration, performance, and hardware-software validation testing, investigating defects, improving CI/CD quality practices, and mentoring QA engineers. The role collaborates across engineering and product teams to ensure reliable geometry-intensive applications throughout the software development lifecycle.

Build and scale Base360.ai’s short-term rental platform, including customer-facing applications, APIs, automation engines, AI-powered workflows, third-party integrations, and cloud infrastructure. Develop systems for reservations, pricing, payments, guest communication, property operations, reporting, and financial workflows. Own projects end to end, make architectural decisions, ensure reliability, and deliver scalable products in a remote-first startup environment.

Develop and maintain large-scale data lake pipelines and end-to-end data processing solutions. Analyze technical challenges, optimize data engineering components, document solutions, and collaborate with international cross-functional teams. The role requires Python, SQL, OLAP databases, and Big Data technologies, with opportunities to work with cloud platforms and distributed processing environments.

Build and own backend domains end-to-end for search and e‑commerce. Design, implement, and test scalable APIs and services using Java/Kotlin and Spring Boot. Work with cloud infrastructure (GCP), Terraform, SQL, CI/CD, and search/graph technologies to improve product findability and customer experience.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Design, develop, and optimize GPU- and CPU-accelerated image and data processing libraries. Implement and performance-tune parallel numerical algorithms, benchmark across architectures, contribute to technical roadmaps, provide technical leadership, and collaborate with product and engineering teams to meet feature and performance requirements.

Develop a highly optimized, open-source inference framework for AI networking acceleration on supercomputers and data centers. Build low-level infrastructure using hardware offloads, GPU kernels, RDMA networking, and performance optimization techniques. The role requires modern C++/C/Rust development, Linux expertise, TCP/IP knowledge, and understanding of computer architecture and operating systems, with CUDA, ML, LLM, parallel programming, HPC, and RDMA experience preferred.

Develop and maintain React Native and TypeScript mobile experiences across multiple Kraken products. Own initiatives from requirements through release and iteration, build support features such as messaging, chat, content, and voice capabilities, and collaborate with Product, Design, web, mobile, and backend teams. Write tested code, participate in technical design and reviews, improve shared architecture, and contribute to real-time functionality using APIs and WebSockets.

Create and maintain foundational Kotlin libraries used by hundreds of thousands of developers. Contribute to Kotlin API design, standard tools, specifications, and language features. The role requires deep computer science expertise, careful technical reasoning, design documentation, performance engineering, and API design, with potential work involving JVM internals, Unicode, time zones, and language interoperability.

Design and implement backend card-platform features covering tokenization, sensitive card data, transaction enrichment, settlement, issuer integrations, and payment processing. Architect scalable, secure, PCI-compliant microservices; own projects end-to-end; contribute to shared infrastructure; review code; mentor teammates; and participate in on-call support. The role requires Java, Spring Boot, API and microservices expertise, card-payments knowledge, Docker, Kubernetes, and strong independent collaboration skills.

Join Nucs AI as a Full Stack Engineer, developing scalable medical imaging platforms and AI diagnostic tools. Responsibilities include designing robust systems, implementing microservices, and ensuring reliability in clinical environments.

Build and operate security-critical backend systems in Python, including encryption and key management, PHI/PII protection, customer credential security, tenant isolation, authentication, signing, and token handling. Own projects from investigation and architecture through implementation, migrations, staged rollouts, and production operations across cloud, VPC, and on-premises deployments.

Build and evolve mission-critical infrastructure for Waymo’s autonomous fleet, including orchestration, optimization, fleet management, and internal user-facing tools. Collaborate with engineering, product, UX, operations, legal, partnerships, policy, and privacy teams to solve cross-functional problems and deliver scalable systems for new markets.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Build and maintain client-rendered React microfrontend applications and embeddable widgets within a TypeScript monorepo. Responsibilities include architectural ownership, frontend development, performance and user experience optimization, code reviews, automated quality improvements, feature flags, A/B testing, debugging across mixed codebases, stakeholder collaboration, technical planning, and mentoring less experienced engineers. The role primarily focuses on CSR applications, with occasional SSR and backend orchestration work.

Design, develop, and maintain scalable backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work primarily with Java, PostgreSQL, and Spring Boot while applying clean code, TDD, DDD, and CI/CD practices. Collaborate with a high-performing team on greenfield development and improvements to systems serving millions of users.

Design, develop, and maintain scalable backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Contribute to greenfield development and existing-system improvements using Java, Spring Boot, PostgreSQL, TDD, DDD, and continuous delivery, while collaborating with a high-performing engineering team.