Top Software Engineer Jobs in Poland

Design and build highly scalable, low-latency market data systems and APIs. Implement backend services, influence architecture, maintain test coverage, participate in code reviews, troubleshoot incidents, and occasionally be on-call. Work spans streaming and historical market data endpoints and developer-focused API improvements.

The Senior Software Engineer will drive product implementations, engage with clients, inform product requirements, and mentor team members while using a diverse technology stack.

Design, develop, and maintain scalable backend services and contribute to frontend features. Influence architecture and technical decisions, write well-tested code using TDD, troubleshoot production issues, mentor teammates, and collaborate with Product and cross-functional stakeholders to deliver reliable, high-performance SaaS solutions.

Provide first-line technical support for a Next.js/React/Node.js/TypeScript/Supabase application: reproduce and fix bugs, deploy TypeScript fixes, improve reliability and performance, communicate solutions to customers, collaborate with Product/QA/Engineering, and contribute to documentation and monitoring.

Lead development of high-impact backend systems for Waymo, focusing on enhancing rider experience and analyzing city health data to provide insights.

Join Reedsy to develop and improve a collaborative word processor, adding features and ensuring performance and security for users.

The Staff Software Engineer will guide project delivery, collaborate with clients, define product requirements, and support an effective engineering culture.

The Software Development Engineer I will design and implement microservices, improve system performance, and mentor junior engineers. Responsibilities include coding, debugging, and developing features from design to deployment in a remote setting.

Design, build, test, deploy, and support scalable, secure SaaS services within a Scrum team. Lead architecture, code reviews, observability, CI/CD, automation, and troubleshooting for high-throughput data transfer systems. Mentor teammates, improve engineering processes, participate in on-call rotations, and drive quality across the service lifecycle.

Design and implement core Web3 protocol features and secure smart contracts in Solidity. Integrate blockchain solutions with cross-functional teams, ensure scalability and performance, stay current on EVM internals, conduct code reviews, and mentor junior engineers.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

Design, build, and operate cloud automation infrastructure for NVIDIA GPU Cloud. Develop scripts and tools for deployment, image and switch management, CI/CD, monitoring, and automated testing across multi-cloud and multi-OS environments. Apply agentic AI for orchestration, support microservices infrastructure, and provide operational troubleshooting and improvements.

The role involves developing scalable back-end services, designing APIs, collaborating with clients, and managing deployment and operations. Requires expertise in JVM languages and cloud infrastructure.

Design and implement frontend applications and API services for Akamai's cloud storage platform, integrate with platform services, troubleshoot complex issues, and improve application quality, maintainability, and performance.

Build and operate cloud-native platform services and developer tooling using .NET and Azure. Lead Infrastructure as Code efforts, CI/CD and DevOps adoption, container orchestration, observability, and performance monitoring. Collaborate across teams, mentor engineers, and integrate AI/ML into platform workflows to improve developer productivity and reliability.

Design, implement, test, and maintain Java-based services using Neo4j and related technologies. Translate requirements into clean code, optimize performance, participate in code reviews and cross-team collaboration, and support documentation and occasional travel to clients and the Katowice office.

Lead development and test architecture for enterprise investment-operations products. Provide technical leadership, balance hands-on coding (C#, Angular, APL) with automation-first testing (E2E, API, integration), CI/CD improvements, root-cause analysis, and mentoring. Collaborate cross-functionally to align technical and quality goals and drive engineering process and tooling improvements.

Design and implement large-scale browser-based rendering infrastructure to execute and extract structured content from JS-heavy web apps. Improve rendering quality, performance, cost, and throughput at internet scale and productionize rendering research.

Build browser infrastructure and tooling to provide reliable, large-scale web access for an agent-native search platform. Research website-browser interactions, fingerprinting, client verification, and browser networking. Implement instrumentation, observability, debugging tools, and translate findings into production systems at internet scale.

Design and implement tests and test frameworks for scalable, secure network software. Collaborate with cross-functional teams to test performance, reliability, and CI/CD integration for network OS, Linux networking, and monitoring systems.

Lead design and delivery of full-stack software enabling device protocol communications for millions of IoT devices. Architect scalable backend solutions, guide SDLC, mentor engineers, collaborate cross-functionally, and drive quality, performance, and process improvements.

Lead architecture and backend development for the vCluster platform by designing and implementing Kubernetes-native solutions in Go, owning features end-to-end, contributing to open-source, and solving deep systems challenges around multi-tenancy, isolation, and GPU infrastructure.

Lead rapid prototyping, architectural research, and complex technical projects for a Kubernetes virtualization platform. Partner with the CTO to shape product direction, integrate new technologies, and occasionally engage customers to translate needs into engineering solutions. Provide technical leadership beyond coding and mentor the team.

Architect and build core backend components of the vCluster platform by working deeply with Kubernetes internals. Write high-performance Go code, take end-to-end ownership from design to release, contribute to open-source projects, and solve complex systems and multi-tenancy problems for GPU and Kubernetes-based infrastructure.

As a Senior Software Engineer, you will develop secure, scalable medical imaging platforms, architect distributed systems, and work with AI diagnostic tools.