5386 English-speaking jobs in Warsaw

We are seeking a .NET C# Developer with 3+ years of experience building APIs and working with web services. The ideal candidate will have expertise in OData, Entity Framework, and SQL. Responsibilities include designing, developing, and maintaining RESTful APIs, utilizing OData to expose data, and working with Entity Framework to interact with databases.

Product UI/UX Designer needed for remote, independent contractor position. Design clean, user-friendly interfaces for web applications and AI-powered tools in Figma. Collaborate with engineering and product teams to bring concepts to life. 3-5+ years of experience designing digital products with a strong portfolio required.

Senior Cloud Engineer to lead, mentor, and grow a team of cloud engineers. Develop and maintain cloud patterns and solutions on AWS and hybrid architectures. Partner with application development teams to migrate applications and build cloud-native solutions. Champion a frictionless cloud onboarding experience for developers. Ensure security and compliance in all cloud deployments.

React/TypeScript AI Engineer will develop a platform automating dependency upgrades and code refactoring for developers. Requires 5-10 years of experience as a front-end/full-stack developer with React-TypeScript and experience with large distributed systems and AI workflows.

UX Designer needed for growing Payments Engineering team. Will conduct user research, define information architecture, create wireframes and prototypes, and collaborate with stakeholders. Requires 5+ years of UX design experience and proficiency in design software.

Cybersecurity Design Reviewer/Architect will review and consult on application design changes, ensuring robust security practices. Responsibilities include conducting design reviews, providing security guidance, and advocating for best-in-class security standards. Requires 4+ years of experience in application security and cloud security, knowledge of common vulnerabilities, and experience with AWS security services.

Build and execute challenging web applications using React, Angular, TypeScript, and other relevant technologies. Collaborate with stakeholders, designers, and development teams to deliver high-quality products.

Java Developer to adapt legacy applications for ISO20022 changes. Requires 4+ years experience with Java, Spring, Hibernate, DB2, and experience in a distributed systems environment.

Lead enterprise integration architecture across applications and platforms, defining standards, patterns, and best practices. Drive an API-led and event-driven integration strategy, governing API lifecycle management and designing scalable integrations across SaaS, cloud, and on-prem environments.

Infotree is seeking an Applied AI Researcher to join its dynamic AI Research team. The role involves collaborating on production machine-learning systems, conceptualizing and assessing AI/ML software, and developing, testing, and maintaining code.

Full-Stack Engineer needed for a Web3 gamified rewards platform. Build and enhance scalable frontend and backend systems using Vue.js, TypeScript, PostgreSQL, Redis, and Web3 libraries. 5+ years of commercial experience required.

Design, develop, test, and deliver high-quality software features end-to-end. Participate in architectural and technical design discussions. Collaborate with Product Manager and Product Designer to understand requirements. Conduct thorough code reviews and mentor junior engineers. Participate in customer support topics and escalations.

SINGU seeks an experienced Chief Architect to own and evolve the group-level architecture across its platform and products. This role ensures a cohesive, scalable, and well-integrated suite for enterprise clients. The Chief Architect will define architectural direction, guide integration strategies, and work with engineering leaders to ensure consistency while allowing team autonomy.

Azure Platform Release Engineer will define and maintain Azure tenant standards, manage versioning strategies, and ensure compliance with enterprise governance. Collaborate with cross-functional teams to deliver platform releases. Proven experience in Azure platform management, release management processes, and ITIL frameworks is required.

SimCorp seeks a Platform Test Architect to standardize testing capabilities and define integration testing patterns. The role requires experience in integration testing, test data management, and stakeholder management. Experience with performance and security testing, developer experience, and enablement is beneficial.

System Architect to build a distributed microservice architecture from scratch. Requires 5+ years experience in system architecture design, cloud computing, and infrastructure automation. Must have strong knowledge of architectural patterns, integration practices, and API governance.

Receptionist needed to be the face of the workplace, welcoming visitors and employees. Manage visitor access, security protocols, and front desk operations. Provide administrative support and embody company values.

Senior ML Ops Engineer will design, maintain, and improve high-performance data pipelines for AI/ML products. Responsibilities include extending existing workflows, collaborating with ML and engineering teams, and ensuring data reliability and scalability. Requires 3+ years of data engineering experience, 2+ years of software development experience, proficiency in Python, Kafka, and SQL/NoSQL databases. Familiarity with cloud providers (AWS or Azure), CI/CD, and Kubernetes is preferred.

Associate Director, Payer Insights & Forecasting will serve as the payer and access insight focal point for global business development evaluations. This role will develop and consolidate payer-related perspectives to inform partnership decisions and support forecasting. Requires 7-12 years of experience in payer research, market access, or forecasting within pharma, biotech, or consulting.

The FP&A Business Partner North EPM oversees financial results and budget activities for Medison's EPM North Cluster. This role provides financial analysis and insights to support decision-making, delivers financial forecasting, performance reporting, and analysis, and engages with stakeholders.