5601 English-speaking jobs in Masovian Voivodeship

Design, develop, and maintain Python-based systems for web data processing, automation, and security analysis. Integrate AI/ML capabilities into tools to enhance vulnerability detection.

Fullstack Developer will build and support backend services using Node.js for content migration and develop reusable React components. Requires 4+ years of JavaScript/TypeScript, 3+ years of Node.js and React experience, and strong understanding of REST APIs.

Senior Fullstack Engineer needed to design, scale, and build high-performance platforms using C#/.NET, Node.js, React, and SQL Server.

Senior React Frontend Developer with 6+ years of experience building desktop applications in JavaScript/TypeScript and a strong understanding of fixed income trading.

Senior Software Engineer to build scalable, robust backend systems using Python, FastAPI, and related technologies. Experience with AI tooling and LLM-powered features is required.

Drive the vision, roadmap, and strategic direction for HelloFresh's loyalty program. Build the metric framework connecting customer behavior to program performance and commercial outcomes. Partner with marketing, CRM, and leadership to communicate program direction, decisions, and results. Collaborate with the referrals and virality team to maximize ideas across both domains.

Junior Operations Engineers will build, maintain, and support clients' on-premises infrastructure specializing in either Linux or Windows environments. Responsibilities include infrastructure management, automation, application and database support, operational excellence, and collaboration.

Manager, Regulatory Affairs Business Outcomes Delivery drives the rollout and improvement of a translation management system. This role requires experience in regulatory affairs, translation operations, and working with technology teams to meet business needs.

Define resilient technology and digital strategies for organizations. Solve complex business and technology challenges by shaping future-ready roadmaps and operating models. Requires strategic technology fluency and strong analytical skills.

Build and ship backend features in Java/Spring while growing into full-stack ownership. This role requires solid Java fundamentals and active use of AI coding tools to develop product features.

Advanced Network Specialist with virtualization expertise required. Duties include administering, monitoring, and troubleshooting IP networks, managing configurations, and providing 2nd line support. Requires 5+ years experience and EU Confidential clearance.

Strategic Process and Operations Excellence Manager to establish and optimize operational frameworks for distributor-based commercial models across Western Europe. Focus on designing governance, processes, and infrastructure.

Software Engineer to develop and support business-critical trading applications. Build scalable Java solutions for trade booking and control systems, collaborating with traders and technology teams. Requires commercial Java development experience and strong software engineering principles.

Hands-on Product Security Engineer to design and harden secure architecture for a no-code AI workflow platform. Own encryption, KMS, data protection, and secure SDLC integration. Requires 4+ years building security-critical systems.

Lead the deployment of the Continuous Improvement operating model across regional teams. Drive efficiency initiatives, coach teams in problem-solving methods like A3, and strengthen process performance.

Regional Procurement Officer manages regional procurement, focusing on cost-effective sourcing, supplier negotiations, and strategic alignment. Requires 5+ years in procurement, strong negotiation, and ERP proficiency.

Design and build scalable automation frameworks for web, mobile, and API testing using Java and Maven. Develop scripts with Selenium, Playwright, and Appium, integrating into CI/CD pipelines like Jenkins. Requires 7-10+ years in QA with strong automation focus.

Sales Engineer combines technical expertise with commercial ownership to win complex steel construction projects. This role leads technical discussions, develops optimized structural solutions, and manages opportunities from initial contact through contract award. A Master's in Civil or Structural Engineering and 8+ years of relevant experience are required.

Auth0 CIAM Operations Engineer needed with 5+ years of experience. Manage Auth0 tenants, customize authentication flows, and maintain integrations using OAuth 2.0, OIDC, PKCE, and SAML. Requires IaC skills with Terraform and experience in CI/CD and incident management.

Senior Full-Stack Developer needed for an international product team. Focus is primarily on backend development with Node.js (70%), while also contributing to a React Native mobile application (30%). Requires 5+ years of experience.