4584 English-speaking jobs in Masovian Voivodeship

Senior Software Engineers lead designs, improve latency and reliability, and mentor engineers. Responsibilities include defining SLIs/SLOs, implementing optimizations, and strengthening incident posture. Requires 3+ years of experience building distributed systems, strong coding skills in Python or Go, and hands-on Kubernetes experience.

Lead a multi-disciplinary engineering team supporting CoreWeave's hardware cloud. Build and staff a team across server hardware lifecycle management, firmware automation, and GPU interconnect platforms. Manage day-to-day workloads, sprint planning, and project execution. Coach engineers and foster a strong engineering culture.

Leads day-to-day Global Technology Solutions (GTS) operations across Europe and New Markets, ensuring service delivery meets business expectations. Manages regional GTS budgets, conducts contract reviews, and implements cost-optimization initiatives. Oversees vendor relationships and ensures compliance with regulatory and data protection standards.

Sr. Reporting & Analytics Consultant provides post-Go-Live support to Workday customers, delivering consulting services, troubleshooting configurations, and creating customer presentations.

Accountant needed for a multinational group specializing in mid-size companies. Responsibilities include checking document accuracy, classifying, posting, and preparing tax returns (VAT, CIT, ZUS, GUS). Requires 4+ years of experience and English proficiency.

Mechanical Supervisor responsible for ensuring HSE compliance, quality and timely completion of mechanical work. Provides guidance to subcontractors, initiates corrective actions, and reports site activity status. Requires vocational training or degree in Electronics/Mechatronics, project management skills, and ability to work at heights.

As a Principal Biostatistician at Fortrea, you will play a key role in the design, analysis, and delivery of complex clinical trials, supporting global programs from study design through to regulatory submissions and beyond.

Technical Product Manager to join the OOSD Product Team. Translate business requirements into scalable technical solutions, bridging product, engineering, and airline partners. Requires 3-5 years of experience and understanding of NDC and airline distribution.

Test Automation Engineer to join a scrum team, ensuring high quality by validating Restful APIs. Responsibilities include building and maintaining automated test suites using Python and Robot Framework. Requires RESTful API testing experience and knowledge of QA processes.

Data Scientist (Marketing) develops and deploys ML models and statistical analyses to solve business challenges. Requires 3+ years of experience, strong Python/R skills, and proficiency in data visualization.

Business Analyst for Guidewire ClaimCenter projects. Define, develop, and test architectures and processes to deliver state-of-the-art claim solutions. Requires Guidewire ClaimCenter experience and strong communication skills.

Safeguard the quality of procurement and business flows by combining hands-on testing, test automation, and cross-team coordination. Define quality approaches, build automated tests, and guide engineers in strengthening test coverage. Promote a culture of quality and continuous improvement.

Full Cycle Recruiter to lead end-to-end recruitment delivery, meeting SLAs and KPIs. Provide market insights, manage stakeholder relationships, and deliver timely communication to candidates. Prior recruitment experience and ATS proficiency required.

Data Science Engineer to design and implement pricing logic for a proprietary AI-powered market model. Translate business rules into Python code and mathematical models. Develop and refine optimization algorithms. Collaborate with product and engineering teams. Requires 3+ years of experience in data science or algorithmic development with Python.

Lead data science and data engineering efforts, overseeing a team to build and scale data infrastructure for real-time pricing and ML products. Requires experience in large-scale data platforms and team management.

The Marketing & Business Development Manager executes core business development activities within a practice group, ensuring high-quality delivery and supporting partners, client teams, and BD leadership. The Manager provides technical expertise across BD disciplines and collaborates with partners, RSHs, and BD teams to develop and implement client plans, track engagement, and support client relationship management initiatives.

React Developer needed for a centralized platform project in the capital markets industry. Develop features using React, TypeScript, and HTML5. Collaborate with in-house teams and improve development processes. Minimum 6-7 years of UI development experience required.

Senior Java Software Engineer to develop and optimize backend systems for a leading trading platform. Requires strong Java/Spring, SQL (PostgreSQL), and experience in FinTech or similar high-performance environments.

Sales Manager to develop sales operations and achieve strategic targets for onshore wind turbines in the Eastern European market. Manage bidding processes, act as point of contact for technical and commercial topics, and build client relationships. Requires a bachelor's degree, 3+ years of experience in the Eastern European onshore wind market, and fluency in English.

As Domain QA Engineer – Procurement, you will ensure quality for key end-to-end flows and promote a culture of quality. You will build and own the test plan for the Procurement domain, drive cross-team test coordination, and build automated tests. You will also guide engineers in strengthening unit and component-level coverage and provide feedback on releases, bugs, and new features.