Back end Jobs in Poland

Implement microservices (billing reporting approval) baseddirectlyon the OpenAPI specification and BRD logic Write clean efficient code with a primary focus on strict multi-tenant data separation authorization and security Proactively refactor legacy monolithic code into cloud-native microservices w...

Design and implement scalable Python-based MCP servers and supporting microservices Develop secure resilient backend APIs and services (FastAPI Pydantic asyncio) Ensure compliance with secure Back-end engineering principles including schema-driven contracts input validation rate limiting secrets man...

At Tink we deliver open banking solutions as a part of Visa. Were creating the foundations that a new world of finance will be built on. By constantly challenging ourselves to go further and do better were developing the ground-breaking services that businesses will use to revolutionize the way mill...

Design and implement scalable distributed Back-end solutions for a SaaS platform Architect and deliver complex systems focused on accessibility compliance Plan execute and maintain large-scale software delivery pipelines Monitor system health and optimize performance across services Research evaluat...

Design and build high-performance secure Back-end services for our vault and key management infrastructure Develop cryptographic workflows including key generation rotation and secure storage mechanismsBuild robust APIs with comprehensive authentication authorization and rate limitingWrite clean mai...

Assist in building and testing Generative AI demos and POCs Support the design of simple scalable architectures for Generative AI applications Work with team members to integrate AI components into larger systems Use MLOps practices to help automate parts of the model development process Follow guid...

Job DescriptionZendesk is looking for early career as well as experienced professionals to join our Product and Engineering Organisation in Kraków Poland (one day per week working from office). As a Software Engineer II/Senior Software Engineer with Zendesk you will collaborate closely with team mem...

Project the aim youll haveWe are looking for a skilled (Senior) Backend Engineer to join one of our cross-functional product teams. The role requires a high level of technical expertise excellent communication skills and a proactive collaborative mindset. This position is embedded in ongoing client...

Project the aim youll haveOur team works with a British insurance company on cybersecurity. We develop customer care applications which serve as the communication channel between the insurance company and its customers. The main apps functional features are checking if the customer has secure enoug...

Position Description:We are looking for experienced Automated Tester to particpate in a team of 2-4 QA engineers to build and execute manual and automated testing for teams working on application development UI updates and/or technical upgrade projects.Job responsibilities:Collaborate with business...

Develop test and maintain frontend components with a focus on accessibility.Contribute to the improvement of backend services that power the product youre building.Enhance backend services to better facilitate product development.Build high-quality scalable and modular UI systems for web-based SaaS...

Project the aim youll haveOur team works with a British insurance company on cybersecurity. We develop customer care applications which serve as the communication channel between the insurance company and its customers. The main apps functional features are checking if the customer has secure enoug...

Conduct in-depth research on the inner workings of the Android system Deliver high-quality enterprise-grade features that align with product requirements Collaborate closely with the support product management and other teams within the Mobile group Stay up to date with the latest trends and advance...

Project the aim youll haveOur team works with a British insurance company on cybersecurity. We develop customer care applications which serve as the communication channel between the insurance company and its customers. The main apps functional features are checking if the customer has secure enoug...

Were looking for a backend-focused software engineer with a strong interest in applied AI to help us integrate LLMs RAG pipelines and agentic workflows into our SaaS products. This role is not about building models from scratch - its about engineering production-grade systems that harness existing A...

As a Software Engineer (Senior/ Principal level) you will contribute directly to the evolution of our core platform enhancing existing features and building new ones using modern technologies such as Java 17 Kotlin Spring Boot and a microservices architecture.Youll take full ownership of the product...

At Tink we deliver open banking solutions as a part of Visa. Were creating the foundations that a new world of finance will be built on. By constantly challenging ourselves to go further and do better were developing the ground-breaking services that businesses will use to revolutionize the way mill...

Design and implement solid scalable and flexible Back-end systems Collaborate with Front-end engineers and QAs to deliver new features together with team members on the client side Maintain a healthy Back-end services and a high level of quality Design and implement unit tests and highly maintainabl...

About the CompanyOur client is aB2B SaaS companythat drives growth for its clients around the world.They are the#1 AI-native platform for Customer Experience and Marketing offering marketers a single platform to deliver unique experiences per person drive profitable growth and unleash peak productiv...

OverviewConnecting clients to markets and talent to opportunityWith 4500 employees and over 400000 retail and institutional clients from more than 80 offices spread across five continents were a Fortune-100 Nasdaq-listed provider connecting clients to the global markets focusing on innovation huma...