16 QA Engineer Data Stack jobs

At Exness, we are not just a leading trading broker - we’ve reimagined what it takes to be a leader. With 40M+ trades a day and 2,000+ people across 13 countries, we combine scale, care, and real tech to make trading better for 1M+ clients worldwide. Recognised globally as a Best Place to Work, we’re a people-first company where long-term wins always matter more. As part of our team, you will shape the future of fintech with real technology, care, and purpose. Why this role matters As a Quality Assurance Engineer , you will be a part of the Trading Data Flow team. The team is responsible for integration and processing of all trading-related data within the company. A chosen candidate will be deeply engaged in the activities and projects of our cross-functional team. About us: our team is international, and we use English as a primary language. We develop data products like a DWH, data integration tools, data streaming tools, and APIs to access our data. We work with other...

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in. 2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers. Why Join Our Engineering Team?...

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in. 2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers. Why Join Our Engineering Team?...

About The Opportunity We are seeking a Site Reliability Engineer to join the Observability group inside our Platform Engineering domain. Platform Engineering’s goal is to provide easy to use, self-service platforms to enable other segments to easily build, deploy and monitor their business applications. And Observability’s role in that part of the company is to provide our users with end-to-end observability that’s easy to use. As one of the first banks completely hosted in the cloud, our security, resilience and productivity standards require a motivated and well balanced team. We are using a modern technology stack to match our principles when it comes to providing the framework for our development team, the company and our customers. In This Role, You Will In Observability you’ll build the tools for monitoring and measuring infrastructure, microservices, and sometimes totally unique workloads. You’ll put the developer experience at the front of your mind and...

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...

The Pepperstone story started in 2010. We know what it's like to trade the world's markets. Our team describes us as a place for the curious and the driven, and we like to do things a little differently; as a transformative global fintech we're digital, nimble, connected, and united in our vision to create a better way to trade. We thrive on progress - for our clients and for ourselves. Our organisational culture is ever-evolving, vibrant, diverse, global and results focused. You'll find our  700+ team across 12 regions and 9 time zones. Product and team context This role sits on the  Pepperstone Trading App  engineering thread within  Trading Experience (TREX) . Related capabilities in the wider group include Mobile Platform, integrations (connectors), and the trading platform (Centrum). Department shape includes Mobile Platform plus Trading Experience teams (e.g. TREX-EVO, TREX-NOVA); exact team assignment and names are confirmed with your...

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...

Company Description Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services. Job Description We are looking for a Technical Support Engineer who will be responsible to ensure the best service satisfaction to our customers. We Expect The Technical Support Specialist To Work in 5-day schedule (with duties on-call for nights and weekends), Monitor financial systems using proprietary monitoring systems, Register and resolve service requests, incidents and problems, Assist to DevOps engineers, developers and QA engineers, Communicate with client and partner company representatives, Exchange knowledge with fellow colleagues. Qualifications Must-have skills: Experience with customer service, Basic...

Overview Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Corporate: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing...

About Us Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more. We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting...

The Pepperstone story started in 2010. We know what it's like to trade the world's markets. Our team describes us as a place for the curious and the driven, and we like to do things a little differently; as a transformative global fintech we're digital, nimble, connected, and united in our vision to create a better way to trade. We thrive on progress - for our clients and for ourselves. Our organisational culture is ever-evolving, vibrant, diverse, global and results focused. You'll find our  700+ team across 12 regions and 9 time zones. Product and team context This role sits on the  Pepperstone Trading App  engineering thread within  Trading Experience (TREX) . Related capabilities in the wider group include Mobile Platform, integrations (connectors), and the trading platform (Centrum). Department shape includes Mobile Platform plus Trading Experience teams. The Trading App is a proprietary  iOS and Android  client for  CFD...

We are seeking a Senior Full Stack Engineer to join our Development team. In this role, you will design, develop, and maintain scalable web applications, working across both frontend and backend technologies. You will collaborate closely with Product, QA, UX/UI, and other engineering teams to deliver high-quality solutions while contributing to technical design, architecture, and best practices. Responsibilities Design, develop, and maintain scalable full-stack applications using .NET and React. Build high-quality, reusable, and maintainable code for both backend and frontend components. Develop and integrate RESTful APIs and backend services. Collaborate with Product, UX/UI, QA, and other development teams to deliver end-to-end solutions. Participate in system design, architecture discussions, and technical decision-making. Optimize application performance, scalability, and security. Troubleshoot, debug, and resolve technical issues across the full stack. Work with...

The Pepperstone story started in 2010. We know what it's like to trade the world's markets. Our team describes us as a place for the curious and the driven, and we like to do things a little differently; as a transformative global fintech we're digital, nimble, connected, and united in our vision to create a better way to trade. We thrive on progress - for our clients and for ourselves. Our organisational culture is ever-evolving, vibrant, diverse, global and results focused. You'll find our  700+ team across 12 regions and 9 time zones. Product and team context This role sits on the  Pepperstone Trading App  engineering thread within  Trading Experience (TREX) . Related capabilities in the wider group include Mobile Platform, integrations (connectors), and the trading platform (Centrum). Department shape includes Mobile Platform plus Trading Experience teams (e.g. TREX-EVO, TREX-NOVA); exact team assignment and names are confirmed with your...

About Playtech Founded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B business. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging and entertaining gaming experience. As the gaming industry's leading technology company, it combines business intelligence-driven software, services, content, and platform technology to drive excellence and innovation across the sector. Read more about who we are and what we do here: www.playtechpeople.com and www.playtech.com Here at Playtech, we genuinely believe that people are our biggest asset. Diverse thoughts, experiences, and individual characteristics enrich our work environment and lead to better business decisions. Embracing differences and maintaining transparency in our processes is the core of Playtech's overall commitment to responsible business...

Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services. Job Description We are looking for a Middle/Senior Java Developer to join the Research&Development Team. As a backend developer, you will play a crucial role in managing the entire order lifecycle, encompassing order capture, validation, routing, execution, option price calculation, and reconciliation. Our priority is to deliver high-performance, low-latency, and fault-tolerant solutions, with a strong emphasis on code quality through comprehensive code reviews and rigorous testing. Although our product holds a substantial presence, we consistently address both functional and non-functional requirements while responsibly managing technical debt. Our work...

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 a Head of Engineering at Endava, you will provide cohesive engineering leadership across Endava's internally-focused business systems, supporting the wider Endava organisation (People, Growth, Finance) and enabling teams (e.g., Integrations & Data, Enterprise, AI & Automation). You will raise engineering capability and consistency by championing high standards, quality, reliability, and team health so that Product strategy can be delivered predictably....