14101 English-speaking jobs in Warsaw

Senior UX UI Designer needed for full-scale web and mobile projects. Requires 3-4 years web project experience, 5-6 years designing interfaces, and a portfolio. Must have strong communication, collaboration, and project management skills. Proficiency in Agile methodologies and user research is essential.

Lead and govern a large-scale program consisting of 8 teams, overseeing the development and maintenance of Customer Engagement Solution Layers based on Adobe Experience Manager platforms. Manage program growth and migrations to target solutions.

Staff Backend Engineer will design, lead, and implement complex projects, ensuring scalability and reliability. You will act as a technical leader, mentoring engineers and driving technical strategy. Requires 8+ years of experience, broad technological knowledge, and experience with AI coding agents and LLM integrations.

Senior Data / Solution Architect to design and implement enterprise data architectures across cloud platforms. This role requires strong consulting experience, comfort operating in ambiguity, and the ability to translate business objectives into technical designs.

Senior Systems Engineer to support a multi-cloud platform in the payments and financial services domain. Design, implement, and maintain cloud infrastructure on AWS and GCP. Build and manage Infrastructure as Code using Terraform. Develop and maintain Ansible playbooks for automation. Support Kubernetes-based environments and containerized workloads.

Azure Engineer needed to maintain cloud infrastructure, manage M365 services, design and implement CI/CD pipelines, and provide technical support. Requires fluency in Azure environments, experience with IaC, and knowledge of Azure services, networking, security, and scripting.

Data Entry Clerk needed for EU institution project in Warsaw. Requires experience with data entry, MS Office, ICT terminology, and documentation preparation. Must have strong communication and collaboration skills.

Senior Fullstack Developer needed for end-to-end application development. Experience with Node.js, React, TypeScript, and databases required. Collaborate with design, backend, and blockchain teams. Must have strong backend skills, at least 5 years of experience in backend applications, and at least 2 years in maintaining production applications. Solid frontend skills in React + TypeScript, database and API integration knowledge, and experience mentoring mid/junior developers are also required. English proficiency at least B2 level. Must be able to work 100% onsite.

Fullstack Developer will build backend services with Node.js (NestJS/Express) and frontend apps with React/Next.js + TypeScript. Experience with databases (PostgreSQL, MongoDB), APIs, and occasional smart contract work is required.

Lead a data science team developing innovative AI products using machine learning methods. Responsibilities include the full lifecycle of machine learning models, from data analysis to deployment on Google Cloud Platform (GCP). Strong Python, GCP, and MLOps experience required. Proven leadership and communication skills are essential.

Senior Backend Engineer will design and implement scalable backend solutions for the Models platform, improving reliability and performance. Responsibilities include addressing technical debt, building reusable components, and collaborating with cross-functional teams. Successful candidates will have experience architecting and delivering complex backend systems in Python and building cloud applications at scale.

Architect and scale advanced AI and ML systems for hx's next generation of products. Lead the design and deployment of cutting-edge model capabilities, from LLM-driven workflows to domain-specific ML pipelines. Drive foundational decisions across data, modeling, and production infrastructure. Rapidly prototype novel ideas, validate them in live environments, and evolve successful experiments into production-grade systems.

Senior Vue.js Developer will join a fintech company's product team (CFT, CV3, or CDP) to develop and maintain web applications. Requires 5+ years of commercial experience with Vue.js, JavaScript, and GraphQL. Strong communication skills and proficiency in English (B2 minimum) are essential.

Senior QA Engineer will lead complex projects, resolve critical issues, and elevate engineering quality. Responsibilities include shaping testing strategy, communicating risks and insights, and uplifting QA practices. Requires strong knowledge of testing theory, experience with Agile methodologies, and Backend testing experience (Java/Kotlin, MySQL, Kafka, REST API, BigQuery).

Senior Python Engineer will design, build, and maintain scalable services supporting the AI lifecycle. Responsibilities include developing tools for data processing, designing data pipelines, and bringing AI models to production. Requires proficiency in Python, experience with Docker and Kubernetes, and understanding of the AI/ML lifecycle.

Senior Data Engineer to design and implement data platforms for a Fortune 500 client in finance, loans, investments, and real estate. Responsibilities include developing PoCs, building data pipelines, and leveraging Gen AI applications. Requires 5+ years of experience in data-related roles, expertise in Python and SQL, and experience with data warehouses (Snowflake) and AWS.

Senior FullStack Engineer will develop fast, high-traffic websites for a European online car market with over 30 million monthly users. Responsibilities include exploring new technologies, applying AI tools to the software development lifecycle, and ensuring production readiness through testing. Requires proficiency in C#, Node.js, AWS, React, and Vue.js.

Lead FullStack Engineer to develop and maintain high-traffic websites for a European online car market. Requires 5+ years of experience with C#, Typescript, SQL & NoSQL, React/Vue.js, and cloud technologies like AWS. Strong understanding of AI tooling and software architecture is essential. Must be proficient in testing, CI/CD, and have experience with content management systems.

Software Engineer (Kotlin) will design and develop scalable microservices using Kotlin for Backend-for-Frontends (BFF). Responsibilities include infrastructure provisioning with Terraform, migrating data from a legacy PHP monolith, and collaborating with mobile engineers. Must have 5+ years of backend software development experience, strong proficiency in Kotlin (server-side), and hands-on experience with Google Cloud Platform (GCP).

Senior Software Engineer will design, build, and maintain scalable backend API services using Java-based technologies. Responsibilities include translating requirements into system designs, developing RESTful APIs and microservices, and utilizing GenAI and AI-assisted development tools. Experience with Spring, Spring Boot, RESTful API, Microservices, CI/CD, Git, Docker, Kubernetes, and cloud platforms is required.