4808 English-speaking jobs in Masovian Voivodeship

Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program Requirements: Experience supporting IT projects, preferably infrastructure or NAS/file share migrations Basic understanding of risk, compliance, and security frameworks (e. g.

Senior Staff Software Engineer will design and implement backend and frontend systems, lead the transition from a monolith to modern architectures, and champion AI adoption across the organization.

We are looking for a Software Engineer with solid experience in the . NET ecosystem to join our IT Services (ITS) team. At Netcompany, you will become part of a growing and internationally recognized company.

We are looking for an experienced AI Engineer to help our client design and build proof-of-concept and production-ready AIsolutions using AWS AI services and modern LLM frameworks. In this role, you will work on agent-based AI systems, scalable LLM applications, and intelligent automation workflows, collaborating closely with engineering and business teams to deliver practical AI-driven solutions.

Mid-Level Java Engineer will build and maintain high-performance Java services for sports data and betting products.

Lead AI initiatives in Finance & Risk, implementing modern AI solutions including generative AI and LLM-based workflows. Analyze existing AI solutions and design data pipelines for AI training and inference. Evaluate and improve model performance, ensuring accuracy and compliance.

Lead AI Engineer champions the architecture, development, and implementation of AI solutions. Leverages knowledge of large language models, machine learning, and other AI technologies to solve complex business problems. Requires a MSc/PhD in a relevant field or equivalent experience, experience as an AI/ML Engineer, strong Python skills, and knowledge of agentic frameworks (e.g., LangChain, crew.ai). Experience with ML frameworks (TensorFlow, PyTorch, Scikit-learn), cloud platforms (preferably AWS), and ML services (e.g., SageMaker) is also required.

Senior Data Engineer (Data Modelling & Python) Location: Gdańsk / Gdynia or Warsaw (PL) Work Model: Hybrid (2 days in the office; 3 days starting in September) Rate: Up to 150 PLN/h net B2B About the Role At Optiveum , we connect top IT professionals with exciting tech initiatives.

Senior Software Engineer will build and optimize search infrastructure using OpenSearch/ElasticSearch. Responsibilities include reducing latency and cost of retrieval systems, improving search result quality, and expanding retrieval capabilities to new data sources.

For the pharmaceutical company we are looking for Solution Architect, who will act as primary authority for end-to-end integration architecture and systemic design across a multi-platform enterprise ecosystem. You will be responsible for designing, validating, and governing highly scalable, secure, and resilient data integrations across multiple disparate systems.

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

How it works Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid Effort estimate Tasks for this project are estimated to take 20 hours to complete, depending on complexity. This is an estimate and not a schedule requirement; you choose when and how to work. Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted.

Develop, execute, and optimize digital marketing strategies for product categories across Europe. Collaborate with regional marketing teams and creative agencies to create and adapt content for social media platforms. Leverage AI tools to enhance content creation and automation workflows.

Experienced finance leader to define and execute the strategic roadmap for a Finance SSC. Drive transformation from transactional to efficiency-driven model. Oversee core finance processes (PTP, OTC, RTR), identify process improvements, and lead a team of managers.

As a Senior C# Developer, you will be responsible for designing, developing, and maintaining high-quality software solutions. You will work closely with an agile development team, taking ownership of technical challenges and contributing to the continuous improvement of development processes.

As a Third-Party Risk Analyst, you will play a critical part in protecting Equinix from third-party cybersecurity and operational risks. This role involves executing risk-based due diligence, monitoring supplier security posture, and supporting Equinix’s Third-Party Risk Management (TPRM) program in line with industry and regulatory standards. Sounds like your kind of challenge?

Experienced Java Developer to design, develop, and maintain scalable backend systems and microservices. Build and enhance secure, reliable APIs and participate in system architecture discussions.

Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer who combines strong system design skills with a modern, AI-supported development approach. This role focuses on building and scaling a high-performance trade management platform, primarily in Rust, with some exposure to C#/. NET.

Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program Master's degree in Computer Science, Engineering, Data Science, or equivalent 5+ years of experience building and deploying Machine Learning or AI solutions in production Strong Python programming skills Experience in developing scalable systems and production-ready appli

The Associate Software Systems Engineer will contribute to system-level architecture and requirements management, translate requirements into software designs, and participate in software development, verification, and maintenance.