Top Software Engineer Jobs in Krakow

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

As a Backend Engineer, you will design, deliver, and own backend features for the merchant platform, focusing on reliability and performance while collaborating with your team.

As a Backend Engineer L3 for Primer's Orchestration team, you will design and deliver backend services, monitor production impact, and ensure reliability and performance of payment systems.

Contribute to Juju's development, collaborate with teams on distributed systems, debug issues, and enhance cloud automation features.

As a Software Engineer Intern, you will support the HFS team with transformation initiatives, focus on product upgrades, platform modernization, and utilize a variety of technologies while participating in Scrum ceremonies and technical documentation.

The Staff Software Engineer will lead technical strategy, mentor engineers, and drive development for full stack systems impacting customer experience.

Develop and maintain high-performance microservices, engage in the full software development lifecycle, and collaborate within autonomous teams. Understand service architecture and optimize solutions for scalability and resilience.

The Software Engineer will design and maintain payment processing systems, mentor other engineers, and ensure security in client transactions within the crypto ecosystem.

You will design and maintain Python applications while implementing DevOps practices, managing cloud infrastructure, and mentoring junior engineers.

Own and evolve scalable, low-latency backend systems for a high-load marketplace. Architect, refactor, and optimize services, data models, caching, observability, and CI/CD while leveraging AI-assisted development and collaborating with DevOps and security.

As a Software Engineer, you will design, program, debug, and modify software enhancements, interact with product managers, and train clients on applications.

Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.

As a Senior Software Engineer, you will integrate DPU hardware, execute validation plans, handle automation scripts, and collaborate with teams on networking features and testing.

The Senior Software Engineer will design and implement scalable data streaming solutions, develop DevOps tools, and improve system usability and observability.

The Software Development Engineer in Test II will design automated test frameworks for AI inference systems, focusing on validation, performance, and collaborating with engineers to improve quality. Requires 2+ years of relevant experience and proficiency in Python and automation frameworks.

Software Engineers at QuantCo will design and develop scalable solutions, integrate models into client businesses, and improve products based on client feedback.

As an Ubuntu Core Software Engineer, you will design and implement features for the embedded Linux operating system, maintain boot mechanisms, debug system-level issues, and collaborate with a global team.

Lead design and implementation of full-stack CRM and video platform features: integrate CRM/marketing services, improve video player experience and monetization, optimize performance and accessibility, troubleshoot integrations, mentor junior engineers, and contribute in agile development cycles.

Join a global tech company as a Senior Full-Stack Software Engineer, focusing on core product evolution, architectural decisions, and delivering high-quality software solutions using Python and React.

The Software Engineer will design, develop, and support the MEMX Trading system software, focusing on production support during US evening hours.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Design, build, and optimize agentic AI systems, including MCP integrations, multi-agent orchestration, and AI SDLC pipelines. Evaluate models and toolkits, run POCs and benchmarks, and advise product teams and clients on AI adoption and architecture trade-offs.

Develop backend features for a new Backup product using Golang. Collaborate with teams in Agile environments and ensure code quality and performance.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.

As a Senior Software Engineer, you will build scalable systems and data pipelines for consumer credit reporting, drive strategic outcomes, shape architecture, and mentor team members while ensuring operational excellence.