4939 English-speaking jobs in Masovian Voivodeship

Senior Java Developer to modernize banking software, transitioning legacy systems to a new digital platform for corporate clients.

Develops and deploys AI-based applications using AWS services. Builds and maintains APIs and microservices. Ensures AI solutions adhere to security, development, and governance standards.

Delivers cybersecurity advisory projects focused on risk, compliance, and data protection. Translates technical insights into business recommendations for senior stakeholders. Works with Microsoft security tools including Defender, Sentinel, Entra, Purview, and Intune. Must have expertise in Microsoft Purview, Data Loss Prevention (DLP), and Insider Risk Management (IRM).

ServiceNow Consultant will partner with clients to design, configure, and implement ServiceNow solutions across modules like ITSM, ITOM, HRSD, and CSM. Requires 2+ years of ServiceNow experience and strong understanding of ITSM processes. Excellent communication and problem-solving skills are essential.

Lead a development team responsible for digital products and features enabling online insurance purchases. Ensure projects and features are delivered on time, with high quality, and in alignment with business expectations. Manage priorities, risks, dependencies, and execution across the development lifecycle.

As a Senior AI and Python Engineer, you will be working for our client, a leader in AI innovation, dedicated to creating transformative autonomous systems. Join a pioneering team to design, develop, and deploy sophisticated AI agents capable of complex reasoning, dynamic planning, and autonomous execution that push technological boundaries and redefine industry standards.

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.

As a Senior Data Scientist in the Risk and Fraud Management squad, you will build, deploy, and maintain machine learning models to protect HelloFresh from fraud and enable business growth. You will design and implement classification, regression, and uplift models to prevent payment and voucher fraud, and optimize the ship & collect process. You will monitor model performance, communicate insights to stakeholders, and leverage Generative AI tools to accelerate development.

Senior Data Scientist will build and iterate on machine learning models powering personalization for conversion pages. The role involves executing decisioning models, coordinating with Engineering and Product to integrate ML-driven decisions into conversion funnels, and designing and analyzing A/B tests.

Graduate Software Engineers will work on core payment systems using technologies like Java, REST Services, and Docker. Successful candidates will have a Bachelor's/Master's degree in a related field graduating in 2026 and proficiency in at least one programming language.

Develop, maintain, and troubleshoot microservices using Kotlin for a modern fintech platform. Collaborate with cross-functional teams to deliver solutions across various domains.

Defines the Enterprise Data Governance Strategy, including the Data Risk and Control Framework and Data Risk Taxonomy. Designs and implements data governance processes to enable businesses to adopt the strategy. Acts as a conduit between the International Business and the Finance Data organization, supporting data consumers with requirements analysis, solution development, and remediation. Articulates the enterprise data governance strategy to stakeholders, including senior leadership and regulators.

Manage a Technical QA team for the Polaris project (The Witcher 4), adapting the QA strategy into team plans and priorities. Ensure reliable milestone verification, maintain visibility on technical quality status and risks, and continuously improve QA workflows, tools, reporting, and testing practices. Collaborate with Production, Development, Tech, Shared Development Services, QA Experts, other QA Managers, and cross-functional teams.

Senior Narrative Engineer will collaborate with Story, Localization, Quest, and Cinematic teams to develop tools, pipelines, and procedures for narrative content in Unreal Engine. Responsibilities include building and maintaining narrative content tools, systems, and pipelines, including Screenplay Editor, Dialogue Player, Voicesets, and synchronization pipelines.

Designs clinical databases for new studies using EDC systems, including CRFs, edit checks, and study roles. Performs post-go-live changes, unit testing, and quality control reviews. Develops and maintains database design procedural documents and provides mentorship to junior designers. Requires a B.Sc. in Biological Sciences or Computer Science and five years of related experience, including two to three years developing Inform, DFdiscover, Clinical One, or Medidata Rave databases.

Lead and optimize the operation, continuous improvement, and global service delivery of OT Intrusion Detection / Network Detection platforms. Design and enterprise-wide rollout of OT IDS capabilities, ensuring scalable and timely implementation. Provide accurate documentation, processes, and operational runbooks. Analyze and ensure platform stability, sensor health, and high availability. Monitor platform, sensor, collector, and integration health. Steer and perform Incident, Problem, and Change Management. Lead feature implementation, proof-of-concept activities, and rollout support. Own security content management for the OT IDS platform. Coordinate and maintain integrations with adjacent security and operational tools. Conduct tool and technology life-cycle maintenance. Support and improve automation. Provide an effective interface with vendors and service partners. Collaborate with cross-functional teams to ensure end-to-end service quality. Publish KPIs, operational dashboards, and service metrics. Support work-package delivery and sub-project coordination within larger cybersecurity and OT security programs.

Senior SAP FSM Consultant to design and implement end-to-end field service processes for a global manufacturing organization. Requires 7+ years of SAP functional experience, with at least 3+ years in SAP FSM implementations. Deep understanding of heavy manufacturing field service processes and integration with SAP S/4HANA Service, CS, and PM modules. Experience leading full-lifecycle SAP FSM implementations and strong communication skills are essential.

Design and build user-facing layers for GenAI and agent-based AI solutions. Build modern, responsive frontends using React and TypeScript for conversational interfaces, agent dashboards, and data exploration tools. Integrate frontends with backend APIs, LLM services, and streaming endpoints. Collaborate with engineers, designers, and consultants on cross-functional teams.

Space Engineers will conduct mission analysis, including lifetime, coverage, and performance assessments. Work on orbital maneuver planning, early mission design, and feasibility studies. Collaborate with engineers and domain experts. Experience with Python and orbital mechanics required.

Develop and maintain web applications using .NET/C# and React. Implement new features, APIs, and integrations. Support the development of AI-enabled features, including assistants, document-based Q&A, and workflow automation. Collaborate with developers and stakeholders to translate requirements into software solutions.