Top Software Engineer Jobs in Warsaw

Build and maintain low-latency APIs, distributed microservices, and reliable data pipelines (including audit logs and BI exports). Improve observability, reduce operational toil, and deliver end-to-end features with product and engineering teams.

We are seeking a software engineer to build and validate resilient distributed systems, enhance CI pipelines, and improve testing strategies for cloud applications.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.

Design, implement, and maintain cross-platform C++ features for Multipass on macOS and Windows. Lead architecture, mentor peers, write high-quality tested code, review contributions, debug user issues, collaborate with a distributed team, engage the open-source community, and support customers.

Senior full‑stack engineer responsible for shipping production features across the stack with minimal oversight. Own complex UI/UX using TypeScript, React and Next.js; deliver backend services with Node.js, Fastify and Postgres. Collaborate directly with founders on product and architecture, contribute to Python-based ML/AI components, and operate in a high-autonomy hybrid/remote environment.

Design and develop full-stack applications using Node.js, C#/.NET, and SQL. Collaborate with teams to deliver high-quality tech solutions. Requires 7+ years experience.

The OS Tools Software Engineer will design and implement tools for Vehicle OS, focusing on messaging systems and developer environments, contributing to autonomous driving technology.

Manage and lead Order Gateway Developers to implement business requirements, ensure high-quality standards, and improve team efficiency while enhancing software performance.

Design, implement, and operate scalable, multi-cloud distributed infrastructure and core services (TypeScript, Kotlin, Go). Optimize compute, storage, networking, and observability; support event-driven architectures; own end-to-end deployment and production reliability; implement disaster recovery and business continuity; collaborate with engineering, AI and security researchers to enable high-velocity product development.

Design, implement, test, and operate the Kimchi AI inference and agent platforms end-to-end. Build scalable inference APIs, distributed datastores, billing/metering, harnesses, and secure agent fleets. Diagnose performance issues, optimize latency and databases, ensure observability and CI/CD, and collaborate with product and users to ship features rapidly.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Design and develop functionalities for the Agents framework, iterate on feedback, and create documentation while working with various programming languages.

Own the full software development lifecycle for JetBrains identity and access services. Develop and operate reliable Kotlin-based services, with some Go, supporting authentication, authorization, organizations, memberships, groups, and workspaces. Design new platform features, improve existing production systems, review code, manage integrations, and address JVM and PostgreSQL performance in distributed, multi-tenant SaaS environments.

Design, develop, and maintain high-performance backend services and search platforms processing millions of requests daily. Solve distributed-systems challenges involving scalability, caching, memory optimization, and throughput while migrating services from PHP to Java. Improve architecture, observability, CI/CD, testing, and engineering practices. Collaborate cross-functionally, participate in reviews and technical decisions, mentor teammates, and own backend solutions through production.

Design and develop core backend components for a blockchain network using Rust, ensuring reliability and scalability in production-grade software.

Build and ship native Android features for an AI-enabled neobank using Kotlin and Jetpack Compose. Integrate backend APIs, improve app performance and reliability, use analytics and on-device ML (TensorFlow Lite), and collaborate with product and design to simplify financial user journeys.

Develop and maintain Linux kernel features in EOS, integrate new CPU hardware, contribute to upstream Linux community, and mentor engineers.

The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.

The role involves creating and automating infrastructure features for data platforms using Python, with a focus on distributed systems and collaboration within a global team.

Join Canonical's OpenStack Engineering team to develop and manage Charmed OpenStack and Ceph, focusing on Python code and infrastructure automation.

The role involves automating OpenSearch operations by developing features in Python, collaborating with an international team, and providing expertise on data platforms.

The role involves collaborating with a distributed team to develop and debug software for Linux, focusing on high-quality code and system-level issues.

As a Software Engineer, you will enhance Ubuntu's cloud infrastructure, automate image delivery, and collaborate with cloud giants, delivering high-quality software features.

Develop and maintain system-level Go code, model data, and design database schema for cloud infrastructures. Collaborate with a distributed team to ensure code quality.

As a Software Engineer on the data platform team, you'll automate data platform operations, write Python code, and collaborate on solutions within a distributed team.