5851 English-speaking jobs in Masovian Voivodeship

Join the Veeam Quality Assurance team in Warsaw and work on Veeam products. You will analyze software requirements, manually test products, and communicate with the product development process.

Join the Veeam Quality Assurance team in Warsaw and work on Veeam products. You will analyze software requirements, manually test products, and communicate with the product development process.

Join the Veeam Quality Assurance team in Warsaw and work on Veeam products. You will analyze software requirements, manually test products, and communicate with the product development process.

Join the Veeam Quality Assurance team in Warsaw and work on Veeam products. You will analyze software requirements, manually test products, and communicate with the product development process.

Fullstack Developer specializing in .NET and React to build dynamic web applications.

DevOps Engineer to build and maintain production agent systems, including agent loop architecture and integrations. Requires 5+ years of DevOps experience, Python, AWS, K8s, and Terraform. Must be able to work 2:00 p.m. - 10:00 p.m. (CEST).

Senior Python Engineer will design and implement Reinforcement Learning (RL) environments for AI agent evaluation and optimization. Responsibilities include building task generation pipelines, reward models, and APIs for scalable, reproducible environments. Requires 5+ years of Python engineering experience with FastAPI, Django, PostgreSQL, and AWS. Must be available to work 2:00 p.m. - 10:00 p.m. (CEST).

Build and maintain production agent systems, including agent loop architecture and custom evaluation harnesses. Develop infrastructure for task generation, synthetic data, and verifiable reward design.

DevOps Automation Engineer will design, develop, and document scripts to automate internal processes. Analyze existing tools and workflows to identify automation opportunities. Support the team in automating customer-related workflows.

Senior System Integration & Test Engineer needed for a 3-year project. Define integration and test strategies, build integration environments, and perform integration and validation tests. Requires a Master's degree in Computer Science, 7+ years of experience in software integration and qualification, and proficiency in Application Servers, web services, CI/CD tools, and Linux.

Freelance Data Engineer, Data Scientist, or Data Analyst with expertise in cloud platforms and analytics sought for long-term projects with global companies.

Business Analysts with SaaS experience sought for freelance, B2B projects. Drive requirements elicitation, translate them into User Stories, and collaborate with stakeholders. Proven experience in complex software development environments and Agile/Scrum methodologies required.

We are building a new AI team within a project in the digital healthcare / data-driven marketing domain. We are looking for both a Tech Lead and Senior Engineers who will work together as one cohesive team. The role focuses on designing and delivering production-grade AI systems powered by LLMs in a real-world, regulated environment.

We are partnering with top-tier global financial institutions to scale their core technology and data infrastructure. We are looking for an experienced and product-oriented Python Data Engineer to join our technology group. In this role, you will work at the intersection of cutting-edge technology and institutional finance.

Position overview We are looking for a Full Stack Engineer with strong Python and JavaScript experience to join the Publishing Administration technology stream. The team develops internal platforms and operational tools that support music rights administration, royalty processing, metadata management, licensing workflows, and analytics.

Position overview We are seeking a skilled Appian Developer to design, develop, test, and deploy business process management (BPM) and low-code applications using the Appian platform. The ideal candidate will work closely with business stakeholders, business analysts, and technical teams to deliver scalable and efficient workflow automation solutions.

Team The successful candidate will join the Risk Analytics team and communicate closely with data engineers, developers, and business users to understand front‐office needs and design highly reliable data products and solutions.

The team manages applications at the heart of clients' core business strategies and supports a global user base. The nature of clients' businesses demands high levels of agility, which in turn requires the team to be technically superior. The project is part of clients' global technology modernization roadmaps.

We are seeking a Frontend Angular Mid Developer to build and scale modern, high-performance frontend applications for a client in the lottery industry.

We are looking for an experienced Business Analyst to join a dynamic project environment and act as a key link between business stakeholders and IT teams. In this role, you will be responsible for gathering, analysing, and translating business requirements into effective solutions while ensuring alignment between business expectations and technical delivery.