6775 English-speaking jobs in Masovian Voivodeship

Senior R&D Supply Chain Specialist supports electronic engineering teams in sourcing, procuring, and expediting components for prototype builds. Requires 5+ years of experience in electronics sourcing, component procurement, or engineering supply chain roles. Must have technical comprehension of semiconductors, passive components, PCB fabrication, and the ability to interpret electronic schematics.

Provide technical support to clients using payment gateway solutions and transaction processing services. Investigate and resolve issues related to payment gateway operations and transaction flows.

This role focuses on driving growth and effectiveness of Web Shop implementations for gaming partners. You will analyze live Web Shops, player behavior, and game economy metrics to identify improvement opportunities and develop data-driven growth plans.

Lead the design and development of core platform features for an AI App Builder. Define technical architecture for frontend and backend systems, ensuring scalability and stability. Collaborate with AI engineers and product designers to turn ideas into user-ready functionality.

Lead the development and management of the payment infrastructure for an international iGaming operator. Responsibilities include onboarding payment providers, negotiating contracts, optimizing payment flows, and representing the company at industry events.

About the Client Our client provides essential electronic money infrastructure to fintech companies and enterprises. They specialize in global payment processing across over 135 currencies, compliance solutions like KYC and AML automation, and offer business growth analytics. Their API-first approach ensures rapid integration for seamless cross-border transactions and regulatory compliance.

The Sales Manager will build and lead the sales function, acquiring betting and iGaming merchants, particularly for LATAM alternative payment methods. The role requires a strong industry network, executing full sales cycles, and contributing to the company's growth.

Financial Analyst will build and maintain management reporting, analyze financial and operational data, and support decision-making through financial modeling.

About the Client Our client is a retail crypto platform that facilitates the buying, selling, and swapping of cryptocurrencies in over 180 countries. Users can leverage a variety of payment methods, including credit/debit cards, bank transfers, PayPal, and Apple Pay, to engage in fiat-to-crypto and crypto-to-fiat transactions.

We seek a Microsoft Dynamics 365 Business Central consultant to manage, configure, and update the system. The candidate will provide user support, training, and act as a liaison between business stakeholders and technical teams. Experience with end-to-end implementations and proficiency in Finance modules are required.

Design, build, and optimize machine learning pipelines, including data ingestion, feature engineering, and model deployment. Develop and implement machine learning models to solve business challenges. Collaborate with cross-functional teams to integrate solutions and present findings.

Blackwall is seeking an AI Software Engineer to develop and deploy AI-driven security features. Responsibilities include engineering ML models, building ML pipelines, and monitoring/optimizing deployed models. Requires 3+ years of experience as an ML/AI engineer, proficiency in Python and SQL, and a strong foundation in software engineering practices.

Senior Software Engineer to design and build next-generation web security and networking products. Develop integration modules, implement new functions in a bot detection engine, and contribute to web development. Requires 10+ years of C/C++ experience, expertise in low-level and systems/network programming, and experience with web security.

Review and evaluate solution hints for complex mathematical problems (IMO-level difficulty) ensuring logical soundness, mathematical correctness, and quality of explanation.

DataForce by TransPerfect seeks doctoral-level Physics experts to design complex scientific problems for AI training. You will create "stumper" prompts, test them against LLMs, document their failures, and provide expert solutions. This role requires deep subject-matter expertise, rigorous scientific reasoning, and proficiency with digital documentation tools.

Senior Pharmacovigilance Officer will perform signal detection and risk management activities, author and review safety documents, and contribute to the continuous evolution of Theramex's Pharmacovigilance system.

EIT RawMaterials seeks a detail-oriented Working Student to support the Finance team. The role involves travel cost reconciliation, invoice processing, cost reporting, and assisting with period-end closing activities. Strong Excel skills and a customer-centric approach are essential.

Eskimi seeks a Digital Account Manager to manage and grow client accounts in Poland. Responsibilities include communicating with clients, generating revenue, ensuring account retention, and collaborating with internal teams. Candidates should have at least 2 years of experience in programmatic or digital channel planning and fluency in English.

Lead and develop the global People function at Eskimi, a full-stack creative and media tech platform. This hands-on role involves strategic initiatives, day-to-day execution, and close collaboration with leadership and the People team. Responsibilities include talent acquisition, manager development, global operations, and culture building.

Software Engineer (AI Focus) will build and ship features on Eskimi's real-time bidding platform, leveraging AI tools to improve development speed and efficiency. Responsibilities include using AI for code generation, contributing to platform modernization, and shaping the team's AI workflow.