Top Software Engineer Jobs in Krakow

Build core ledger services and APIs for Remitly’s UFA platform, focusing on correctness, atomic money movement, distributed-systems guarantees, idempotency, and production readiness. Design, implement, and operate scalable cloud services, collaborate with partner teams and external banking partners, and help bring regulated markets live while ensuring reliability, observability, and compliance.

Build and maintain the core App Shell and services for a micro-frontend ecosystem. Implement backend Java microservices and React/TypeScript front-end shells, migrate legacy .NET apps, create cloud-native infrastructure with Terraform, and maintain CI/CD pipelines (Jenkins, GitHub Actions). Ensure code quality with JUnit and Jest/Vitest/Playwright, define integration strategies, and mentor junior engineers.

Design, develop, test, and maintain scalable SAP-based backend services and Fiori UIs. Drive technical design and architecture, estimate effort, mentor peers, perform code reviews, troubleshoot and tune SAP services (FI/CO, SD, MM), write specifications and tests, and support deployments and occasional off-hours support in an Agile environment.

Lead design and delivery of scalable, secure SaaS features for an AI-powered Invoice-to-Cash platform. Own features end-to-end, use AI-accelerated tools, drive technical design, mentor engineers, ensure observability, CI/CD, testing, and enterprise-grade performance and reliability.

Design, implement, and operate highly available, scalable data streaming platform components. Build DevOps tools, automate operational tasks, and improve pipeline observability. Support and integrate FedRAMP, GDPR, and SOX compliance for streaming services while collaborating with product teams to meet high availability and performance SLOs.

Develop and maintain software applications and development/testing tools within a public safety telecommunications team. The role involves Java backend and frontend development, Agile collaboration, and work with Linux and virtualization platforms. Interns will learn from experienced engineers while contributing to real-time software development for APCO-25 standards-based communication infrastructure. The position requires at least 24 hours per week, a minimum one-year commitment, and two office days weekly in Krakow.

Build and maintain Marketing AI platform components end-to-end: gather partner requirements, design and implement backend services, integrate LLMs and AI tooling, analyze data to inform decisions, ensure production reliability and security, and collaborate across teams to deliver production-ready capabilities.

Design and build agentic AI systems, MCP integrations, multi-agent workflows, orchestration layers, and AI SDLC automation. Evaluate emerging models and frameworks through prototypes, benchmarks, and technical research. Collaborate with product teams, architects, and clients to define solutions, explain trade-offs, and guide AI tool adoption. Own end-to-end delivery of scalable AI systems while researching production integrations, vector databases, RAG, embeddings, and model customization.

Join BeMyGuest as a Software Engineer to build scalable applications and manage integrations with APIs, ensuring high code quality and collaboration.

Build scalable growth-focused software, including onboarding flows, personalization engines, viral loops, experimentation systems, and analytics instrumentation. Collaborate with Product, Design, Marketing, Data Science, and Engineering to improve growth metrics. Develop high-quality frontend or full-stack applications, optimize performance and accessibility, maintain automation and continuous delivery, and apply AI and machine learning to improve engagement, retention, and personalization.

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.

Design, build, and deploy software for trading and analytics, automate tasks, and provide on-call support while working collaboratively in teams.

Design, build, and operate scalable test platforms for synthetic identities, test data seeding, mocking, deterministic validation, and load testing. Improve test signal quality, reliability, observability, and operational maturity. Lead medium-to-large projects end-to-end, write maintainable code, produce async technical artifacts, review designs, and mentor engineers to increase developer productivity and scale testing infrastructure.

As a Mid Software Engineer at Guidewire, you will develop and maintain insurance pricing algorithms, handle fullstack development, and collaborate with team members while optimizing solutions to meet service-level objectives.

Design, develop, and execute test cases for embedded automotive middleware using Python and C++ within a CI/CD pipeline. Ensure adherence to automotive standards and processes, operate daily in Linux, use testing tools (pytest), and collaborate in an Agile cross-functional team to validate software in POSIX-based and service-oriented embedded environments.

Join the Transport team to develop Java-based applications that configure and manage IP networks for public safety systems. Work on server platform and network tooling, collaborate with internal users, and support development, testing, and deployment tasks.

Design, implement, test, and maintain core security platform components in C++/Go. Support production reliability with strong secure-coding, debugging, automated tests, on-call SRE duties, and collaborate cross-functionally to deliver secure, compliant services on cloud providers.

Build and operate localization and internationalization infrastructure and AI-powered translation tooling. Own end-to-end team projects, integrate i18n frameworks across stacks, implement locale-aware formatting, CI/CD pipelines, static i18n analysis, RTL support, and production reliability for global scale.

Perform embedded software verification and validation for new and legacy avionics products, including test planning, integration and system testing, certification support, and customer support. Work with avionics interfaces, debuggers/emulators, configuration management, and collaborate in global Agile teams to meet DO-178 certification requirements.

Design, develop, and maintain secure, scalable full-stack web applications and authentication services. Work across frontend and backend using Python and JavaScript/TypeScript, manage databases, implement security best practices, support deployments and QA, and collaborate with multidisciplinary teams to improve platform functionality and security.

Develop 5G User Plane Control software, support feature development, review design solutions, maintain architecture integrity, and drive testing strategies.

Develop scalable web-based solutions, implement new features, optimize performance, and collaborate with engineers and product managers in an agile environment.

The Senior Software Engineer will design, develop, and maintain backend services for the Core Enrichments team, enhancing data pipelines and collaborating with cross-functional teams to improve performance and reliability.

Build and operate MLOps and GenAI infrastructure: data acquisition, annotation, transformation and versioning; experiment tracking and reproducibility; scalable model training and inference platforms; automated, secure deployment pipelines with observability, versioning, rollback and multi‑tenant scaling.

Design, build, and own scalable backend systems and APIs for the Horizons platform using Node.js and TypeScript. Optimize performance, integrate third-party APIs, implement data storage solutions, ensure test coverage and observability, collaborate with frontend and product teams, and grow engineering skills toward senior-level system design and scalability.