14564 English-speaking jobs in Warsaw

Designs, builds, and maintains robust, scalable ML and NLP solutions for production environments. Contributes to the codebase, designing and implementing AI solutions. Collaborates with development teams to integrate AI components. Applies best practices in software engineering, testing, and CI/CD for ML systems.

Position overview We are seeking a Senior Business Analyst / Data Modeler to serve as the key liaison between business stakeholders and the data engineering team. The role focuses on translating complex business and regulatory requirements into structured data models, supporting data mapping, and ensuring that validation logic accurately reflects business processes and compliance needs.

Senior QA Automation Engineer to design, develop, and maintain automated test frameworks for a microservices-based platform. Responsibilities include implementing testing strategies, collaborating with cross-functional teams, and supporting CI/CD pipelines. Requires experience with Java, JUnit/TestNG, REST-assured, Selenium/Selenide, and BDD tools.

Mid-Level Java Developer will design, develop, and maintain high-performance backend systems. Responsibilities include backend development using Java 17+, Spring Boot, and PostgreSQL, as well as system-level scripting and DevOps tasks with Docker, Kubernetes, and Helm. Strong English communication and experience in Agile teams are required.

Senior Business Analyst to participate in change requests, system developments, and process analysis within Investor Services. Requires 5+ years of experience, strong data analysis skills, and proficiency in BI tools (PowerBI, Tableau, QlikView).

The Testing Senior Analyst supports User Acceptance Testing (UAT) processes and product rollouts. Designs and implements test plans, analyzes systems and applications, identifies defects, and coordinates testing activities. Requires testing experience, familiarity with the SDLC, and knowledge of defect tracking systems and automated regression testing tools.

Drive and develop technology vision, innovation, expertise, and thought leadership in classical and AI-enabled enterprise architecture. Conduct end-to-end architecture assessments, define solutions, optimize application portfolios, and bring AI and agentic AI to the client's architecture and technology strategy. Manage technology transition paths, translate AS-IS into a mature TO-BE landscape, and manage the entire transition process. Provide architecture conscience, defining the right solution to meet performance, scalability, flexibility, operations, and capability needs. Investigate business requirements and shape technology strategy, drive business transformation with a focus on functional rationalization and process optimization. Assist clients in creating and implementing sharp visions, strategies, and roadmaps in business and technology architecture domains that address challenges and opportunities of new business models leveraging technology and possibly AI. Support internal business development by conducting industry and company-specific research, and contribute to the development of proposal presentations.

Site Reliability / Gitops Engineer will automate software operations for Canonical's IT production services, utilizing infrastructure as code, CI/CD pipelines, and open-source technologies. Responsibilities include developing infrastructure as code, improving the resilience and scalability of cloud and container portfolios, and collaborating with development teams on service architecture and operational procedures.

Senior Python Test Automation & DevOps Engineer needed for full Software Development Life Cycle participation. Requires 2+ years experience with distributed systems, Python, Azure Pipelines, Ansible, Terraform, Azure Cloud, and Docker. Must have strong knowledge of architectural patterns, object-oriented design, and testing methodologies.

Manages loan documentation and general ledger entries, ensuring accuracy and timeliness of deliverables. Provides subject matter expertise and process improvements for loan operations.

Support daily accounting processes for content assets across Warner Bros. Discovery. Ensure accurate financial reporting and collaborate with teams in Poland and India.

Leads and coordinates investigations and remediation of security deficiencies identified through testing and security activities. Assesses risks, defines treatment plans, and tracks progress of cases. Communicates security topics to technical and non-technical audiences.

IT Operations Specialist to ensure stability and reliability of Pega applications. Responsibilities include production support, monitoring, incident handling, and release coordination. Requires Pega Certified System Architect certification, ITIL Foundation certification, and 3+ years of Pega application operations experience.

Vantiva SA seeks an Accounts Payable Accountant to manage the accounts payable process. Responsibilities include processing invoices, verifying accuracy, preparing payments, reconciling statements, and ensuring compliance with policies and regulations.

Provides statistical support across all project phases, from protocol to CSR. Prepares Statistical Analysis Plans (SAPs) and collaborates with sponsors. Coordinates biostatistics and programming personnel to ensure timely completion of high-quality work. Reviews and verifies project deliverables, ensuring they meet expectations and are consistent with analysis described in SAP and specifications. Serves as a biostatistics representative on project teams, interfacing with other departmental representatives. Manages scheduling and time constraints across multiple projects. Implements company objectives and creates alternative solutions to address business and operational challenges. May participate in Data Safety Monitoring Board and/or Data Monitoring Committee activities. Follows applicable SOPs, WIs, and relevant regulatory guidelines. Maintains well-organized, complete, and up-to-date project documentation. Supports business development activities. Coaches and mentors other Biostatistics staff.

Full-stack engineer to build and evolve commercialization tools and systems. Collaborate with product, UX, and engineering teams to develop user-facing products. Requires a bachelor's degree and 4+ years of full-stack development experience. Backend experience in Java, Python, GO, or C++ and front-end experience in JavaScript, TypeScript, HTML, or CSS.

Lead and oversee three engineering areas, partnering with the CPTO on technology strategy. Standardize processes, address organizational gaps, and drive a culture focused on quality and scalability.

This short-term contract role supports a global HR compliance project. The Human Resources Administrator will locate, organize, and review historical employee files to ensure accuracy and completeness.

Senior Revenue Analyst to lead forecasting, modeling, and analysis for the renewable energy asset portfolio. Develop analytical frameworks, revenue models, and reporting structures. Interpret market data and support strategic decisions through scenario simulations and risk assessments.

Junior Data Engineer will contribute to building and evolving Bolt's data ingestion platform. Responsibilities include building and maintaining data pipelines, improving observability, and collaborating with engineers to support data product development.