5552 English-speaking jobs in Masovian Voivodeship

Build and deliver production Next.js applications with complex state management and real-time AI features. Create user interfaces for AI-powered tools, including streaming AI responses, semantic search, and knowledge graphs.

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.

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.

Head of Product, Central Europe, defines and delivers the SMB solutions strategy across Joint Venture partnerships. This senior role owns the product roadmap, aligning stakeholders to drive measurable business impact.

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.

Senior AI Engineer to drive AI adoption in software development within fintech. Establish best practices, develop AI prototypes, and act as an AI SME for engineering teams. Requires experience with Generative AI and LLMs.

Leads regional NVO planning, budgeting, and forecasting for the CEE region. Consolidates financial data, provides variance analyses, and offers cost-saving recommendations. Collaborates with department heads to manage budgets and drive cost optimization. Ensures accuracy of regional financial reporting and drives digital transformation initiatives.

Senior Associate, Direct Tax role owning end-to-end tax compliance and reporting across 20+ countries. This technical position requires expertise in corporate income tax, tax accounting, and leveraging technology to drive efficiency.

Full Stack Financial Software Engineer to build global investing infrastructure. Develop trading platforms, analytics, and AI products. Requires strong full-stack experience and interest in financial markets.

Project Manager in renewables requires 5+ years in the sector, covering solar, BESS, or wind. Responsibilities include project development support, technical review, risk identification, and cross-functional coordination.

Drives enterprise-wide planning, governance, and readiness for strategic programs. Manages resource allocation, PMO standards, and performance reporting while leading change management and communication strategies.

Senior Lease Auditor specializing in OPEX, CAM, RET, Insurance, and Utilities audits. Requires expert knowledge of commercial lease language and 5+ years in real estate lease administration.

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.

Senior HR Business Partner to support the OLX team by partnering with managers to set the people agenda aligned with business goals. This role advises leaders on growth strategies and resolves complex employee relations issues.

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 design and delivery of secure, scalable network connectivity for cloud transformation across AWS and Azure. Architect solutions using Cisco ASA, Palo Alto firewalls, and manage configurations with Terraform.