9548 English-speaking jobs in Masovian Voivodeship

Senior Full Stack Engineer to develop and enhance features for an AI-powered podcasting and recording platform. Responsibilities include user and role management, API development, reporting, and integration with external systems. Requires Node.js, React, AWS, MongoDB, and Nest.js experience.

RTB House seeks an IT and R&D Machine Learning Engineer to develop and maintain ML training platforms and bidding infrastructure. Responsibilities include identifying performance bottlenecks, optimizing system components, and testing Big Data and ML technologies. Expertise in designing and implementing complex IT systems, proficiency in programming languages (Python, C++, Java, or Scala), and Linux are required.

QA Analyst for Feature Team A will execute manual testing for gameplay features, ensuring functionality, performance, and player experience. Responsibilities include regression, integration, and exploratory testing, documenting issues in JIRA, and maintaining test cases. Requires 2+ years of QA experience in live games, 4X/strategy titles, or systems-driven gameplay development. Experience testing base building & RTS fog of war mechanics and understanding economy design principles is necessary. Strong analytical skills and communication are essential.

Delivers monthly, quarterly, and annual financial reports for entities in Japan, analyzes products and services, manages legal entity governance and structure, identifies risk areas, and partners with direct reports on career development.

Area Sales Engineer will increase sales of ARO products through distributors and direct accounts in Eastern Europe & CIS countries. Responsibilities include managing sales channels, developing sales strategies, and providing technical training. Requires a Bachelor's Degree and 5+ years of experience selling pumps and related process equipment. Fluent English required, another language is a plus.

Workday Integration Specialist needed for hybrid role (2 visits/month to Warsaw office). 5+ years of hands-on Workday integration experience required, including Workday Studio, Connectors, Web Services, and EIBs. Experience with a Workday Partner company is mandatory. Troubleshoot complex issues, design and build integrations, and provide guidance to stakeholders.

Build, test, and maintain secure, agile software development infrastructure. Automate security controls across cloud posture, policy enforcement, and container scanning/hardening. Work with Security and Platform teams to identify manual processes for automation.

Citrix Engineer Miejsce pracy: Warszawa Technologies we use Expected Citrix Microsoft SQL Server VMware Operating system Windows About the project In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future.

Senior PySpark Data Engineer Miejsce pracy: Warszawa Technologies we use Expected PySpark Microsoft Azure SQL Microsoft Power BI Operating system Windows About the project We are looking for a Data Engineer to design and maintain modern data solutions built on Databricks, PySpark, and Microsoft Azure.

Release Manager - Software Applications (m/f/d) Miejsce pracy: Warszawa Technologies we use Expected TestFlight AppCenter Firebase About the project The purpose of this role is to ensure the timely and accurate release of our mobile applications and software updates, including the Phonak Fitting Software.

Machine Learning /AI Engineer (Reinforcement Learning) Miejsce pracy: Warszawa Technologies we use Expected Python Langchain Langraph Claude Code Codex Optional Reinforcement Learning Operating system macOS About the project You will be cooperating with a leading provider of AI evaluation and optimization solutions, trusted by multinational companies to optimize AI agents and detect performance is

Senior Digital Banking Project Manager Miejsce pracy: Warszawa Technologies we use Operating system Windows About the project As a Senior Digital Banking Project Manager, you will be working for our client, a leading player in the banking and financial services industry.

Designs, builds, and maintains scalable web applications using Java and Spring Boot. Collaborates with product managers, designers, and other engineers to deliver reliable solutions. Develops RESTful APIs, integrates frontend applications built with React, and ensures performance, security, and maintainability.

Lead a team of senior full-stack developers building scalable features using Next.js, React, TypeScript, Prisma, and PostgreSQL. Architect systems, design database schemas, and optimize performance-critical queries. Integrate third-party APIs and develop admin dashboards, internal tools, and complex user interfaces.

Reconcile and process corporate actions, identify process improvements, and collaborate with teams on solutions. Provide support and backup coverage during high-volume periods. Assess and manage business risks.

Lead Product Designer to shape data-driven experiences. Drive human-centered design across product areas, translating complex data models into intuitive interfaces. Mentor a team of Product Designers and advocate for design thinking.

Senior Python Developer will design, build, and operate a centralized email protection platform. Responsibilities include designing platform components, building cloud-native infrastructure, and establishing monitoring and alerting systems. Requires 5+ years of Python experience, 5+ years of experience in platform engineering or SRE, and strong experience with distributed systems and cloud platforms.

Sportradar's Coding Academy Internship Program offers a four-month paid training experience for six interns. You'll learn web development skills, collaborate with teams, and gain hands-on experience with technologies like Java, JavaScript, TypeScript, Go, PHP, MySQL, Git, and Jira.

Senior Fullstack Developer (Python + React) needed to design, implement, and maintain scalable web applications. Responsibilities include delivering robust backend services, interactive front-end features, and reliable end-to-end solutions. Must have deep commercial experience in web applications development, extensive knowledge of backend and frontend technologies (JS based and Python), and experience with React and Django.

Senior Security Engineer will lead incident response initiatives, conduct cybersecurity investigations, and enhance security programs. Responsibilities include designing and implementing threat detection and mitigation strategies, ensuring compliance with industry standards, and collaborating with development and operations teams.