18167 English-speaking jobs in Warsaw

is seeking an experienced Senior Machine Learning Engineer to join our growing team of consultants. In this role, you will be responsible for designing, developing, and deploying machine learning models and algorithms to solve complex business challenges with Databricks.

We are seeking a Senior Backend Engineer to join a highly visible, large-scale program focused on a monolith-to-microservice architecture transformation for a global leader in the meal-kit delivery industry . This is a high-output environment where engineering directly drives financial impact for over 4. 2 million households worldwide.

We are seeking a Senior QA Performance Engineer with a strong and specialized skill set. The ideal candidate independently plans and executes performance testing, identifies and reports performance issues, analyzes system bottlenecks, and contributes to the continuous improvement of performance testing processes and overall product quality.

We are seeking a Senior Data Analyst to join a high-impact financial intelligence project for a major global enterprise in industrial and wholesale distribution . Your primary mission will be to ensure the accuracy and compliance of the company’s rebate allocation system.

We are looking for an experienced Senior QA Automation Engineer with strong Java skills to join our engineering team. In this role, you will be responsible for designing and maintaining advanced automated testing frameworks, implementing end-to-end, API, and UI test automation, and shaping the overall testing strategy across the application.

We are seeking a Senior Site Reliability Engineer with a strong and specialized skill set. The ideal candidate defines and improves incident management processes, leads system optimization efforts, ensures reliability and scalability across services, and drives best practices in operational excellence.

We’re looking for a Senior Full Stack Engineer (Python/TypeScript) to join a new analytics and communication platform initiative in Poland. You’ll help design, integrate, and optimize conversational AI experiences powered by Dialogflow and Gemini (Vertex AI) — enabling seamless interaction between users and businesses across multiple digital channels.

Known for cutting-edge solutions that combine voice, messaging, video, and AI-powered interactions, the company empowers developers and enterprises to deliver seamless, scalable digital experiences. As a Data Scientist with GenAI focus at Sii, you’ll work hand in hand with engineering teams to design, prototype, and scale innovative AI solutions that transform developer workflows.

We are looking for a highly skilled Senior Fullstack . NET Developer with Angular to join our dynamic team focused on delivering next-generation digital platforms. The ideal candidate will have strong experience in full-stack development, cloud technologies, and modern software architectures, with a keen interest in leveraging AI to improve customer experience and engineering efficiency.

Kotlin Developer (AWS / Spring Boot / GraphQL) Location: Remote or Hybrid (depending on client preference)Contract Type: B2BRate: 130–150 PLN/h (B2B)Start date: ASAP About the Role We are looking for an experienced Kotlin Developer with strong expertise in backend development, cloud-native solutions, and modern API design.

NET Developer B2B , salary range flexible Hybrid – Warsaw, Puławska 182 (1/2 days from the office) About N7 Mobile N7 Mobile is a close-knit, 18-year-strong boutique software house that builds mission-critical systems for some of the biggest financial, payment, and fintech players in Europe. We’re expanding one of our flagship long-term teams with an experienced .

As a Certified Senior DevSecOps Engineer , you will be responsible for designing and maintaining CI/CD pipelines, implementing Infrastructure as Code, and integrating security throughout the software development lifecycle. You will work with modern technologies to ensure efficient and secure operations across development and production environments.

In Cyclad, we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future.

Take your career to new heights — work on impactful solutions for a European client Are you an experienced Java engineer ready for a new adventure? Do you want to work at the intersection of technology and aviation, developing innovative solutions in a truly international environment?

NET Developer (AI & Modern Logistics Projects) We are looking for a strong Angular Developer with solid experience in . NET/. NET Core to join our client’s long-term projects in the area of AI-driven and modern logistics solutions. The role involves working on complex, scalable systems and requires a developer who can write clean, maintainable code and collaborate effectively in a Scrum team.

Who We Are We are a remote-first software as a service (SaaS) company, bringing true digital transformation to the global shipping industry. We enhance the way shipping professionals work by creating technology for the maritime industry and bringing it to market.

TL;DR Who : Product Owner Employment Type: B2B Framework Agreement Salary range : Up to 140 PLN/h Start date : ASAP Estimated project length: 6 months- 1 year. Company : Software House Who we are: We are Inspeerity, a modern software house, providing software development, consultancy, and maintenance services.

Company : Software House Who we are: We are Inspeerity, a modern software house, providing software development, consultancy, and maintenance services. We specialize in full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people.

We’re looking for a Senior Mobile Engineer who thrives at the intersection of native iOS development and cross-platform architecture. You’ll play a key role in integrating our Kotlin Multiplatform (KMP) core SDK into high-performance native Swift applications, shaping the next generation of secure and innovative mobile experiences.

We are looking for an experienced specialist in SAP S/4HANA to support international projects related to eInvoicing and tax compliance, particularly in the context of solutions such as KSeF (Poland) and SAP DRC (Digital Reporting & Compliance). The candidate will collaborate with teams responsible for implementations in countries subject to eInvoicing mandates (e. g. , Poland, Italy, and others).