20676 English-speaking jobs in Masovian Voivodeship

Designs, implements, and tests model changes in actuarial life and health insurance models. Optimizes and enhances existing models to improve performance and reliability. Conducts stochastic and deterministic actuarial projections for closings, forecasts, and sensitivity analyses using Prophet. Ensures quality assurance, conducts result analysis, and prepares documentation for reporting.

Develop and implement scalable data processing solutions on Azure, transforming and cleaning large datasets. Design, build, and maintain robust data pipelines integrating data from diverse sources. Collaborate with cross-functional teams to deliver end-to-end data platform solutions.

Lead a team of .NET and C# developers, plan and coordinate work, ensure code quality, and collaborate with cross-functional teams to achieve project goals.

As a Business Systems Analyst, you will support the development of process-driven systems for a major online banking company. Responsibilities include gathering and analyzing business requirements, designing and documenting business processes, and preparing functional and non-functional specifications.

Senior ABAP Developer will develop and optimize ABAP programs for SAP solutions, implement and customize SAP Industry Solutions and Business Solutions, and work with the SAP S/4HANA tech stack. Requires 5 years of experience, knowledge of ABAP stack, OOABAP, and Business Object development frameworks.

Senior Node.js Developers needed for a remote project extending and maintaining a Commercial Data Manager (CDM) platform and HubSpot. Requires 6 years backend development experience, 4 years with Node.js, 3 years with TypeScript, and experience with REST APIs, GraphQL, microservices, and databases (PostgreSQL, MySQL, MongoDB).

Senior Software Engineer to build and maintain features of the OPF Visual Toolkit, enabling clients to develop payment solutions efficiently. Requires 5+ years Java development experience with proven knowledge of Java SE 17 and design patterns.

Lead the technical strategy for GenAI-based products and platforms, designing and implementing core AI services. Partner with data scientists and ML engineers to integrate LLMs and fine-tuned models into production systems. Mentor engineers on modern AI development practices.

Senior Python Backend Engineer to design, develop, and maintain scalable RESTful APIs and microservices. Requires 6+ years of backend development experience with Python, FastAPI, Django, or Flask, and experience with GCP and Docker.

Develop and implement business applications based on detailed requirements. Participate in the full software development lifecycle, including design, development, code review, and documentation.

Project Manager with 3-5 years of experience in HR transformation and change management projects. Strong understanding of HR processes and experience in their analysis, optimization, and digitalization. Experience with ServiceNow, SuccessFactors, Workday, or similar platforms. Excellent English and knowledge of project management tools. Ability to travel up to 20%.

Lead Data Architect responsible for master data assets. Design and implement MDM processes, ensuring data quality for analytics and AI projects. Manage data ingestion, pipeline orchestration, and data access. Collaborate with stakeholders, data scientists, and engineers.

Senior Data Engineer with 4-5 years of experience needed for challenging projects. Strong Python, PySpark, SQL, and ETL/ELT skills required. Experience with Hadoop, GCP, and data warehousing concepts is essential.

Backend developer will participate in building a product, decomposing a mono website into a modern application using PHP, Golang, Symfony, Slim, PostgreSQL, RabbitMQ, Elastic search, and Linux.

Visa seeks a Staff Software Engineer (QA) to test system infrastructure solutions for business-critical projects. Responsibilities include defining test automation architecture, organizing test frameworks, implementing CI/CD, and providing technical leadership. Experience with Python, Java, Playwright, pytest, Jenkins, Git, RESTful services, Linux, SQL, and data structures is required.

Software Engineer will design, code, and debug features for web applications and services. Responsibilities include collaborating with team members, analyzing application problems, and proposing solutions. Must have proficiency with HTML/CSS, Java, React, SQL, and experience with AWS and Kubernetes.

Java Developer will analyze business and technical requirements, design and develop code, conduct testing, and troubleshoot issues. Must have 1-3 years of commercial Java development experience, strong understanding of object-oriented programming and data modeling, and familiarity with design patterns and modern system development.

Site Reliability Engineer to join a dynamic technology team in the banking sector. Design, build, test, and deploy automation tools to improve system reliability and performance. Support release and deployment processes and collaborate with software developers and infrastructure teams.

Senior Technical Architect with 7-10 years of D365 F&O experience, including 3 end-to-end implementations in banking. Requires Microsoft Certified: Dynamics 365 Finance and Operations Apps Solution Architect Expert certification and proficiency in X++, .NET, C#, REST/SOAP services, and Azure DevOps.

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.