6877 English-speaking jobs in Masovian Voivodeship

Senior Full Stack Engineer to build and enhance frontend applications and backend services supporting treasury workflows. Develop React/TypeScript applications, ASP.NET Core APIs, and optimize performance. Collaborate with stakeholders and mentor engineers.

Staff Data Scientist will shape the data and modeling strategy behind customized user journeys and funnel decisioning. Responsibilities include designing, implementing, and evaluating machine learning approaches for personalization and routing decisions, and acting as a technical resource for Product, Engineering, and Marketing. The role requires a minimum of 10 years of professional experience with a Master's degree, or a minimum of 5 years of professional experience with a Ph.D. degree, in a quantitative field.

Senior Data Engineer to design and deliver scalable Data Hubs supporting analytics, reporting, and AI use cases. Expertise in Databricks, Apache Spark, and Azure data ecosystem required.

Senior Java Developer will design, build, and maintain scalable backend systems using Java 17, Spring Boot, and PostgreSQL. Responsibilities include managing deployments using Docker, Kubernetes, and Helm, and mentoring other developers. Requires 8 years of professional backend experience and fluency in English.

Lead Software Engineer drives technical excellence across multiple engineering teams, ensuring alignment on architecture, engineering practices, and execution standards. The role emphasizes technical leadership, mentorship, and strategic guidance.

Design, drive, and maintain end-to-end solution architectures in collaboration with development teams and business stakeholders. Shape future-state architecture and technology roadmap, contributing to strategic decisions and modernization initiatives. Support SAFe System Architects within Agile Release Trains. Translate business needs into robust, scalable architectural solutions ensuring adherence to enterprise standards and regulatory requirements.

Senior Salesforce Test Automation Engineer will design, build, and execute automated test suites across Salesforce environments. Responsibilities include leading regression, functional, and integration testing, championing testability in code reviews, and mentoring junior QA contributors. Requires 5+ years of QA/test engineering experience with a focus on Salesforce platforms, strong automation engineering skills, and proficiency in Python.

Senior BI Developer will build and maintain Power BI dashboards on Databricks data, design data models and visualizations, and optimize queries for reporting performance. Requires proven experience as a BI Developer, strong Power BI and SQL skills, and experience building end-to-end dashboards.

Senior Frontend Engineer will design and develop responsive user interfaces for a global e-commerce platform. Responsibilities include translating designs into functional applications, optimizing performance, and ensuring code quality. Requires expertise in React, TypeScript, and modern frontend technologies.

Senior DevOps Engineer to support rollout of API Management platform. Requires expertise in Docker, Kubernetes, Terraform, AWS, and monitoring tools. Responsibilities include infrastructure automation, CI/CD pipeline creation, and API catalog portal development.

Experienced SAP Consultant BW needed for design, implementation, and maintenance of BW on Hana solutions. Requires expertise in ABAP development, HANA data modeling, and ETL techniques. Strong analytical and problem-solving skills essential.

SAP Consultant HANA supports a technical team focused on SAP BW and HANA systems. Responsibilities include monitoring and optimizing system performance, implementing housekeeping processes, and utilizing SAP tools for development and modeling.

Backend Engineer (Go) to develop, scale, and maintain backend services, primarily in Go, while supporting existing Node.js services. Responsibilities include designing and optimizing databases, taking ownership of features from development to production, and collaborating with cross-functional teams.

Ontology Engineer needed to design, develop, and maintain ontologies and semantic models for scientific data. Will collaborate with domain experts and engineers to translate concepts into standardized ontologies and mappings. Requires a degree in a relevant field and hands-on experience in ontology engineering and semantic modeling.

Senior Power BI Developer needed to design and develop interactive dashboards for clinical operations. Must have strong Power BI, DAX, and SQL skills.

Senior Data Engineer to lead the migration of Airflow workflows to Azure Data Factory (ADF) and support data pipelines for reporting solutions. Requires strong data engineering experience, including SQL, ADF, Airflow, Python, and understanding of Power BI.

Senior Data Engineer to develop and maintain data pipelines in an Azure environment for a Value Optimization Engine Platform focused on offshore wind farms. Requires strong Azure Data Engineering experience, including Azure Data Factory, Azure Synapse/Azure SQL DWH, T-SQL, and dimensional modeling. Experience with end-to-end data pipelines (ETL/ELT), large/enterprise environments, Git, CI/CD, and Microsoft Azure cloud is essential.

Senior Business/System Analyst needed for a full-time, long-term B2B contract. Analyze business and technical requirements, design system integrations, and collaborate with development teams. Must have proficiency in UML and BPMN, experience with API contracts and event-driven architectures, and strong data modeling skills. Excellent written and spoken English (C1 level) is required.

Senior AI/Full Stack Engineer to design, build, and deploy AI-powered solutions. Experience with LLM deployment, RAG systems, and full-stack development (TypeScript/Node.js, React) required.

Senior DevOps Engineer will join a team responsible for the infrastructure supporting 20,000 merchants. Responsibilities include Kubernetes cluster management, CI/CD pipeline automation, monitoring and observability, hybrid infrastructure management, security, and operational toil reduction. Required skills include Kubernetes administration, CI/CD experience, scripting proficiency, and experience with monitoring and observability tools. AWS and/or GCP experience, IaC tools, and DevSecOps tooling are also desired.