6471 English-speaking jobs in Masovian Voivodeship

Senior Data Tester will design, execute, and debug test cases for ETL workflows. Responsibilities include writing and optimizing SQL queries, conducting data testing, and collaborating with development and business teams. Requires 6-8 years of experience in ETL Testing and SQL query writing, strong experience with Informatica IDMC, and knowledge of SDLC/STLC processes.

Senior AI Engineer will develop and maintain production code for a healthcare LLM platform, design and implement evaluation frameworks for model outputs, and create ground truth datasets. Responsibilities include implementing production monitoring, producing evaluation evidence for regulatory processes, and designing API contracts between Python and .NET platforms.

Strategic People Business Partner for the Multi Country Organization (MCO) in Central and South Europe. Leads the implementation of the One Sanofi People Strategy, partnering with MCO leadership to drive business outcomes. Develops talent management strategies, leads organizational transformations, and leverages people analytics to inform business decisions.

Leads data governance based on data strategy for assigned areas. Acts as a trusted data advisor, influencing strategy and improving data governance. Governs data in areas including quality, operations, storage, and security.

NET Developer will enhance and maintain a configuration/optimization tool for vehicle attributes using .NET and AWS.

Experienced Architecture Principal to define and drive the architectural strategy for large-scale compute platforms across hybrid and multi-cloud environments. Focus on Citi's XiP Risk Platform, a greenfield build executing 1.5 billion risk calculations daily. Lead architectural vision and strategy for Kubernetes-based container orchestration and serverless computing. Collaborate with engineering teams, product management, and stakeholders to translate business requirements into robust, scalable, and secure technical solutions. Provide technical leadership and mentorship to architects and engineering teams. Evaluate new technologies and trends, making recommendations for adoption. Ensure architectural designs align with enterprise standards, security policies, and compliance requirements. Drive continuous improvement in architectural processes, documentation, and governance. Act as a subject matter expert, offering guidance and resolving complex technical challenges related to cloud architecture.

Senior Software Developer will design, implement, and maintain configuration solutions. Responsibilities include developing new features, unit and integration testing, and participating in code reviews. Requires a Master's degree, 8+ years of experience, expertise in C# and .NET, and front-end development skills.

Fullstack developer to enhance and maintain a global Sales ecosystem configuration tool. Develop UI modules, APIs, and collaborate in an Agile environment. Requires TypeScript, .NET, Angular, and AWS experience.

Drives development and delivery of AI-powered solutions. Defines product vision, manages product backlog, and collaborates with engineering teams.

SAP FICO Consultant with 5-10 years of experience, preferably in S4 HANA Finance, is needed for Account Payable implementations. Strong configuration, testing, and client-facing skills are required. Experience with EMEA projects in an onsite/offshore model is a plus.

Senior Finance Analyst will manage bookkeeping, prepare financial reports, and ensure compliance with accounting standards. Responsibilities include analyzing financial data, collaborating with internal and external auditors, and working on working capital control initiatives. The role requires a Bachelor's degree in Finance, Accounting, or a related field and 3-5 years of experience in Finance.

MAIN TASKS: Monitoring team performance and reporting results Overseeing the achievement of project goals Motivating team members to achieve results Collaborating with the project coordination team Providing individual and group mentoring/coaching Conducting onboarding for new contractors Preparing and updating team-related materials Handling tasks related to HR documentation workflows and coopera

This Director-level role leads EMEA and APAC Middle Office and Fund Accounting Shared Services. The successful candidate will provide strategic and functional leadership to Transaction Control, Corporate Action, and Product Reference Data teams. The Director will manage an organization critical to providing complete, timely, and accurate data for Middle Office and Fund Accounting teams.

Systems Engineer will design and own the infrastructure for TubeScience's AI platform, including media pipelines, LLM routing, data systems, and observability tooling. Responsibilities include building and operating data engineering pipelines, designing APIs, and managing media transcoding and storage. Experience with PostgreSQL, MongoDB, Redis, Docker, Kubernetes, and cloud storage is required. Bonus points for experience integrating LLM/AI systems in production.

Designs and implements data models, ontologies, and knowledge graphs in a cloud-based environment. Collaborates with domain experts and engineers to integrate, unify, and synchronize data across systems. Drives cross-team alignment on data architecture decisions and promotes FAIR Data Principles.

Enterprise Integration Architect needed for a long-term mission in a cybersecurity and law enforcement environment. Define and enforce architecture standards, translate business needs into scalable architectures, and support solution delivery. Must have 8+ years of IT experience, 5+ years in Architecture roles, and at least 2 years as an Application/Integration Architect. Expertise in enterprise integration architecture, integration platforms, and cloud integration patterns is required.

Senior full stack engineers will design, build, test, deploy, and operate end-to-end solutions for web applications. Responsibilities include revamping existing tools, collaborating with product managers and stakeholders, and upholding high engineering standards. Solid backend development experience, fluency in JavaScript/TypeScript and React, and familiarity with testing frameworks are required.

The Business Unit Group Manager is a senior-level C14 position leading the EU/UK CSC Network. Responsibilities include supporting the CSC Network's strategy, managing site activities, providing support to Site Heads, and driving execution of programs to reduce employee pain points. The role requires 10+ years of experience in global and complex settings, prior experience in a senior business execution leadership role, and knowledge of the CSC Network and financial services industry.

Client and Regulatory Reporting Analyst will contribute to preparing client reporting and regulatory filings. Assist senior analysts and the team manager with client and onshore queries. Ensure timeliness and accuracy of team deliverables and adherence to Citi's governance standards. Support client/internal-driven change and strategic projects.

Global Marketing Programs Manager needed for 9-month fixed-term contract. This role executes and coordinates global marketing strategy, ensuring campaign delivery across regions. Supports regional teams on events, activations, and product launches. Collaborates with global teams to translate customer insights into marketing messaging. Manages 6 direct reports and prepares monthly reports for stakeholders. Requires 10+ years of B2B marketing experience, project management skills, and knowledge of Salesforce.