18 data engineer jobs in Warsaw

Hi, we're glad you're here! We are hiring to our Aviva Services Excellence Centre! Take a look at our job description - maybe it suits you or one of your friends? The project is growing and the team needs you! Why is it good to join Aviva? Become a part of a team of enthusiasts where initiatives are more than welcome You'll have the real influence on the shape of the project (everyone's voice matters) You'll have fun creating and implementing high quality solutions that you can later leverage on - there will be more time to work on interesting features in the future (instead of putting out fires) Experience friendly and supportive working culture Direct cooperation with the UK team Have lots of fun and satisfaction from your work without sacrificing work-life balance You'll get access to high quality learning platforms with guaranteed time for self-development during working hours Internal upskilling programs available for Data Engineers...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for a Data Engineer to join the Core Data Platform team to co-create and develop a centralized data platform used by teams across the company. In this role, you will be responsible for building scalable data integration mechanisms from various source systems, developing shared platform components and standards,...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. Responsibilities Design, develop, and maintain advanced SQL-based tools for monitoring and controlling market risk and credit risk, Create and optimize automated engines for capital requirement calculations and regulatory reporting, Build and improve risk visualization tools, including dashboards and automated reports...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team. As a Data Engineer , you will play a crucial role in our data team, contributing to developing and maintaining data pipelines and systems. You will work closely with data scientists, analysts, and other stakeholders to ensure the availability and reliability of data for decision-making and analytics. Your responsibilities will encompass data ingestion, transformation, and delivery, as well as maintaining and optimizing data infrastructure. The Data Engineer is expected to contribute to developing and maintaining data infrastructure , ensuring data reliability and availability. You should be able to work independently and as part of a team, adapting to...

Chcesz rozwijać swoją karierę globalnie? Zaznacz swoją obecność w jednej z największych firm w branży płatności. Poszukujemy Product Managera/ki, który/a dołączy do naszego dynamicznie rozwijającego się Biura Rozwoju Produktów w eService i pomoże kształtować przyszłość globalnego handlu. eService jest liderem rynku akceptacji kart płatniczych i rozliczania transakcji elektronicznych w Polsce, a także największym dostawcą technologii w zakresie usług rozliczeniowych w Europie Środkowo-Wschodniej. Firma działa na rynku od prawie 25 lat i oferuje przedsiębiorcom omnichannelowe rozwiązania płatnicze zarówno dla stacjonarnych i mobilnych punktów usługowo-handlowych, jak i działalności online. W ofercie ma terminale POS i bramki płatnicze dla rozwiązań e-commerce i m-commerce. Firma wspiera promocję płatności bezgotówkowych w małych i średnich przedsiębiorstwach, a także w jednostkach samorządu terytorialnego i instytucjach publicznych. eService należy do Global Payments Inc....

Who We Are Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution. The opportunity We are looking for a Product Manager to join our Risk Technology Team. Joining our organization as a Product Manager means becoming a key contributor to how we deliver value to our clients and scale our delivery capabilities. In this role, you will have the opportunity to lead strategic and high-impact projects and work closely with leadership, product, and engineering teams. Day-to-day Responsibilities Own and manage the product roadmap for assigned product areas Gather...

We’re hiring an Machine Learning Engineer to own the reliability, scalability, and operational integrity of our machine-learning systems in research & production. This role sits at the intersection of data engineering and ML infrastructure: you’ll design and operate data pipelines that feed models, and you’ll build the tooling that trains, deploys, monitors, and retrains them. You’ll work closely with research engineers and product teams, taking models from experimentation to production-grade systems with clear SLAs, reproducibility guarantees, and observable behaviour. This is not a research role; it is a hands-on engineering role focused on making ML systems work reliably at scale. What You’ll Work On Build and operate ML lifecycle infrastructure, including model packaging, deployment, versioning, rollback, and CI/CD. Implement model monitoring, experiment tracking, and reproducibility. Build and maintain reliable batch and near-real-time data and feature pipelines,...

Technology is our how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change. By combining world-class engineering, industry expertise and a people-centric mindset, we consult and partner with leading brands from various industries to create dynamic platforms and intelligent digital experiences that drive innovation and transform businesses. From prototype to real-world impact - be part of a global shift by doing work that matters. Job Description As part of Endava's strategic partnership with WTW, who provide data-driven, insight-led solutions in the areas of people, risk and capital, we're building dedicated software engineering teams to support WTW's Insurance Consulting and Technology Division. WTW's Insurance Consulting and Technology business is a global leader in P&C, Life and Health insurance software and advisory services, with over 1,700 colleagues across 35 markets. More than 1,000 insurers...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. Setting our standards high, we can always count on each other. Within our department, we also organize workshops and guilds - meetings dedicated to specific areas or technologies - to continuously develop our skills and build a strong engineering community. Who We Are Looking For We are seeking a Team Leader to lead our...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. Responsibilities Working in a Scrum environment, with a strong focus on effective team collaboration. Development of multiple products, offering the opportunity to build a wide range of functionalities. High-performance systems - we process massive volumes of data with minimal latency. A strong emphasis on high...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for Java Developer to join the XTB team and co-create our innovative investment platform. If you want to be involved in building advanced, scalable, and high-performance systems in an inspiring environment, this role is for you! Technologies Our microservices are primarily developed in Java 17+ using...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for an AI Engineer with a passion for building production-grade GenAI systems. In this role, you will work closely with Engineers and the PdMs to implement, deploy, and scale advanced LLM and agentic solutions. This is an opportunity for an engineer who values engineering excellence and wants to see their...

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more. About Fireblocks Fireblocks is the institutional standard for digital asset security and settlement. We enable banks, fintechs, and exchanges—like BNY Mellon, Revolut, and ANZ—to securely navigate the blockchain economy. Our platform and network provide the simplest and most secure way for companies to work with digital assets. The Mission: Quality The Financial Apps unit builds the critical infrastructure that connects institutions to the digital asset economy. Our products cover everything from staking...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talented team. We are looking for a Marketing Analytics Engineer to take ownership of the next phase of this infrastructure. The foundation is in place. Your job is to extend it building new data models and the agents, wiring autonomous pipelines, and delivering AI-powered systems that directly improve how marketing decisions are made. Responsibilities Development of marketing data models for use in AI and reporting Improve attribution and new attribution model releases AI agent development design, build, and improve specialist AI agents covering channel performance, budget allocation, media monitoring, user quality, and competitive intelligence...

We are looking for an experienced Senior Software Engineer - Python / AI Engineer to join the Internal Development Team. In this role, you will design, develop, and maintain internal tools, APIs, AI-driven automation workflows, and system integrations that improve operational efficiency across Capital.com. The role is strongly focused on building practical AI solutions, including AI agents, agent workflows, automated decision-support flows, and integrations with internal and external systems. You will collaborate closely with Engineering, Security, Operations, Compliance, Finance, and other business teams to deliver secure, reliable high-quality software that supports internal workflows, data integration, and emerging AI-driven initiatives. Key Responsibilities: Develop and maintain internal services, tools, APIs, automation scripts, and AI-enabled workflows Design and implement AI agents, multi-step agent flows, and automation pipelines to support internal business...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are seeking a Senior Site Reliability Engineer to define and drive the reliability of XTB systems at the scale of millions of clients. In this role, you will strengthen SRE practices and shape the resilience of our entire technology stack through high-impact observability, ensuring our systems remain robust and scalable....

We are looking for an AI Security Engineer to secure our AI-driven systems, including LLM-based applications, machine learning models, and AI-enabled automation tools. This role will focus on identifying, assessing, and mitigating security risks across the AI lifecycle — from model development and training to deployment and runtime monitoring. The ideal candidate combines strong security engineering experience with a deep understanding of machine learning systems and emerging AI-specific threats (e.g., prompt injection, model poisoning, data leakage, adversarial attacks). Key Responsibilities: AI/ML Security Architecture Design and implement security controls for AI/ML systems across development, training, and production Secure LLM integrations, RAG pipelines, and AI APIs Conduct threat modeling for AI systems and data pipelines Define secure-by-design patterns for AI-powered features AI Threat Detection & Mitigation Identify and mitigate AI-specific threats:...

Fancy helping to shape the future of FinTech? We’ve always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we’re a world leading online trading group. Join us to: Help build the future of online trading. Be part of a culture driven by integrity, and global impact. Become part of an award-winning* company. We are only as good as our people. Luckily, our people are the best. Join us! *You can check out our full list of awards here . How do we work? This is a senior leadership role reporting to the CTO, working in close partnership with the heads of product, infrastructure, data, and security. You'll be responsible for the overall health, productivity, and direction of an ~80-person engineering department spanning multiple product areas. We work in a hybrid model from our offices in Krakow or Warsaw. Travel to build relationships with engineering teams and stakeholders in-person further...