5334 English-speaking jobs in Warsaw

Senior BI Engineer will design, modify, and maintain Power BI reports in an Azure DevOps environment. Responsibilities include optimizing semantic models and DAX queries, developing lakehouse infrastructure in Databricks/DBT, and preparing SQL scripts for ad-hoc analysis. The role requires 5+ years of experience in Business Intelligence, data visualization, and analytics, strong Power BI skills (DAX, DAX Studio, Tabular Editor), and experience with cloud environments (Databricks, Azure).

Software Engineer on the Payment Operations team will design, develop, and ship internal systems and automation to ensure accurate and timely payment processing. Responsibilities include building reconciliation infrastructure, developing monitoring systems, and collaborating with Engineering, Product, and Finance to identify and resolve operational issues. Requires 3+ years of experience in a software engineering role with exposure to payment systems, backend services, or data pipelines, strong SQL skills, and familiarity with RESTful APIs.

Senior Test Automation Developer will develop test scenarios and scripts for an IT security product. Responsibilities include creating test plans, identifying defects, and collaborating with developers. Requires 5+ years of test automation experience, C#, .NET, Azure DevOps, Selenium, and SQL Server.

Build AI-powered infrastructure for VC and PE clients, including agentic AI systems, full-stack applications, and data platform engineering. Translate business needs into technical solutions and own delivery end-to-end. Must have experience shipping production AI/LLM systems and proficiency in an AI-native coding workflow.

Senior DevOps Engineer needed for a project supporting a Fortune 500 private equity fund. Responsibilities include designing, building, and maintaining cloud infrastructure across AWS and Azure environments, writing Infrastructure-as-Code (Terraform), running containerized workloads, and owning observability. Requires 10+ years in IT, 5+ years in a DevOps/Cloud role, deep AWS expertise, solid Terraform background, Kubernetes experience, and strong Python and Bash skills.

Business Development Manager will identify new clients and business opportunities in IT and SAP outstaffing. Requires 2+ years of B2B sales experience, fluency in English, and experience selling outstaffing/bodyleasing services.

Senior Data Scientist to design, develop, and refine Marketing Mix Models using Google's Meridian framework. Will build scalable Python pipelines for data ingestion, feature engineering, and automated model validation. Translate model outputs into executive-level narratives to guide budget reallocation.

Commercial Performance Specialist drives the execution of commercial insights into measurable outcomes, monitors performance across products and segments, and supports portfolio and pricing simplification initiatives. Requires strong Excel and dashboarding skills, organizational discipline, and fluent English communication.

Strategic Procurement Specialist needed to lead global procurement projects and sourcing initiatives for indirect spend categories. Requires 5+ years of procurement experience, strong negotiation skills, and fluency in English.

Lead the AI strategy for software development, shaping how AI transforms the software development lifecycle at SIX. Define the vision, design architecture, and drive adoption of AI-powered solutions.

Accounts Receivable Accountant will execute daily operational tasks, including applying payments, managing customer accounts, and reconciling bank statements. The role requires 3+ years of experience in Accounts Receivable, strong English skills, and knowledge of financial accounting principles.

Senior Data Engineer needed for large-scale SQL Server to Databricks migration. Focus on enterprise-grade data engineering and software development. Requires strong Python, PySpark, and Databricks experience.

Senior AI Engineer to design, deploy, and scale AI/ML systems for automated accessibility testing and intelligent analysis. Requires 5+ years of experience in machine learning engineering, expert-level Python skills, and experience with TensorFlow, PyTorch, or similar frameworks.

Senior JavaScript Developer to lead technical decisions, design front-end or back-end solutions, mentor engineers, and collaborate with teams. Requires 6+ years of JavaScript/TypeScript experience, expertise in React.js or Node.js, and proficiency in AWS, CI/CD, and databases.

Complexio seeks a Senior Software Engineer with 5+ years of experience in software development. Requires strong Python and JavaScript skills, experience with relational and key-value databases, cloud platforms, CI/CD pipelines, and containerization tools. Must have a strong understanding of event-driven systems and distributed architectures. English proficiency (B2 minimum) is required.

Conduct sanctions screening of transactions and documentation, make decisions based on compliance, collaborate with global teams, and manage a portfolio of pending items.

The Project Sr Analyst applies in-depth knowledge to develop new techniques and improve processes within a defined area. Evaluates complex issues, integrates subject matter expertise, and influences decisions through advice and counsel. The role requires strong analytical, communication, and leadership skills.

The NAM Client Onboarding Senior Analyst manages the account opening and maintenance process for corporate clients, collaborating with Citi stakeholders and external partners. Responsibilities include managing documentation, resolving customer issues, and ensuring process compliance. Requires 5-8 years of experience in documentation review, account maintenance, and related cash products.

Mid-Level Data Analyst to support banking Data Warehouse development and deliver Power BI reports and visualizations. Requires strong SQL, Power BI, and ETL experience. Collaborate with IT and business stakeholders.

Valuation Control Senior Analyst performs valuation control processes, investigates discrepancies, and develops/documents policies and procedures.