11226 English-speaking jobs in Warsaw

React Developer will design, develop, and maintain web applications using React.js. Collaborate with cross-functional teams to deliver client-facing solutions in an agile environment. Requires 6 years of experience as a Software Developer with strong React.js and JavaScript/TypeScript skills.

Tech Lead to drive development and evolution of a complex technology platform. Responsibilities include technical leadership, architecture & design, development, roadmap ownership, and cross-team collaboration. Requires strong technical background, experience leading teams, and excellent communication skills.

Business Development Manager to expand client activities in Poland. Identify and acquire new customers in key sectors, plan business trips, and present automation solutions. Requires 2+ years B2B sales experience in relevant industries, strong technical background, and professional English proficiency.

Data Engineer to build data pipelines and training datasets for an insurance industry project leveraging Large Language Models. Requires strong Databricks, Python, and SQL skills.

Python Full Stack Developer needed to build scalable applications with Machine learning models and AI agents. Responsibilities include designing, implementing, and optimizing backend services and contributing to frontend development. Requires a MS degree in a related field, strong Python skills, and experience with frameworks like FastAPI and Streamlit.

Senior Product Owner / Analyst will lead contract structuring and activation for a Contract Lifecycle Management (CLM) initiative. Responsibilities include assessing the current contract landscape, defining the target contract data environment, and translating extracted data into actionable items for Account Managers. Requires senior-level experience as a Product Owner, Business Analyst, or similar role, a strong IT background, and extensive knowledge of Conga.

Senior UI Designer sought for e-commerce platform focused on luxury brands. Responsibilities include elevating UI aesthetics, collaborating with stakeholders, and mentoring designers. Requires experience in luxury e-commerce, strong UI design skills, and interaction design expertise.

Senior Solution Architect to design scalable Technical Service solutions within CRM platforms. Experience with Microsoft Dynamics 365 Customer Service architecture and enterprise digital solutions required.

Designs and builds the technical foundation for GitHub Copilot Custom Agents that support developers in achieving SDLC, compliance, security, and quality standards. Develops data systems, context layers, and workflows for Copilot agents in VS Code. Builds and maintains MCP servers, RAG pipelines, and structured developer context databases. Integrates these systems into the SDLC through automations, events, orchestrations, and workflow logic.

Senior UX/UI Specialist to design and optimize user experiences for CRM and Technical Service environments within a large-scale transformation project.

Python Specialist to develop, maintain, and refactor production-grade Python applications. Experience with SQLAlchemy 2.0, PostgreSQL, FastAPI, and AWS is required. Strong testing and refactoring skills are essential.

The Rollout Manager plans and executes new technology platform releases, ensuring high-quality outcomes and compliance with organizational standards.

Backend Tech Lead to guide an engineering team, designing, implementing, and mentoring. Expert in Python/Django, AWS, and building scalable systems. Minimum 10 years software development experience with 3+ years in a leadership role.

Java Developer needed for a global gaming and lotteries platform. Design, develop, and implement automated testing solutions. Collaborate with QA engineers and cross-functional teams. 5+ years of development experience required. Proficiency in Java, SpringBoot, JPA, Hibernate, and RESTful services.

LLM Engineer to develop and implement high-quality application software using state-of-the-art tools and technologies. Lead cutting-edge tech initiatives in the Azure Cloud, influencing project architecture and strategy.

Senior AI Architect to lead Generative AI engagements for Fortune 1000 clients. Develop and deliver enterprise AI solutions, drive innovation, and manage AI/ML teams.

Senior Marketing Mix Modeling (MMM) Data Scientist will design, develop, and refine end-to-end MMMs using the Meridian framework. Responsibilities include building scalable Python pipelines for data ingestion, feature engineering, and automated model validation. The role requires proven experience deploying Meridian or similar Bayesian frameworks, advanced Python skills, and 6+ years of experience in econometrics or causal inference.

Lead Engineer to architect, develop, and implement cutting-edge AI solutions (Generative AI, Agentic AI). Drive software development projects, mentor engineering teams, and collaborate with stakeholders. Requires 5+ years of experience developing production-grade AI/ML systems, 2+ years of team lead experience, and proficiency in Python and cloud platforms (GCP, AWS, or Azure).

Senior Full-Stack Developer will create and develop web applications using Java, Angular, and microservices architecture. Experience with Spring Boot, Hibernate, Docker, RabbitMQ, and Git is required. Responsibilities include maintaining codebases, implementing functionalities, and collaborating with teams.

Senior Backend Engineer with 5+ years of Java experience needed to design, develop, and maintain scalable backend features and services.