119 senior full stack engineer jobs

Job Description Job Description Senior Full-Stack Engineer Key Responsibilities Work together with our highly skilled international development teams to build and maintain features of our Applications and Systems Ensure proper performance and quality of the written code and continuously participate in code reviews Write unit tests for robustness, edge cases and general reliability Write code in compliance with our coding standards and security mechanisms Continuously collaborate with cross-functional teams, product owners, designers and QA team in an agile environment Participate in developer guilds and enjoy learning/sharing knowledge with the team Take on the role of a technical forward thinker and take part in the support and training of junior developers Skills And Experience Strong analytical problem-solving skills and a structured approach to converting ideas into concepts, design and code Several years of professional experience in enterprise software...

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...

So, who are we? IG is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real: genuinely complex problems to solve, the technology and resources to tackle them properly, and the kind of scope that's rare in established businesses. The bar is high – bring a curious and forward-thinking mindset and we'll give you the platform to define what comes next. Join us at IG – the future gets built here. Your team We are IG UK's Crypto product engineering team, having successfully delivered the company's #1 strategic priority - a fully licensed, FCA-regulated crypto trading platform launched in December 2025. We maintain elite engineering standards through cloud-native AWS architecture, comprehensive observability, and a culture of end-to-end...

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted...

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...

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted...

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?...

Job Description We are looking for a Principal Software Engineer to shape the architecture and delivery of our modern, AWS-native platform powering underwriting intelligence, GenAI-driven analysis, and high-volume content processing. Working across Python, .NET, PostgreSQL/Aurora, OpenSearch, and LangGraph-based services , you will own technical direction, system quality, scalability, and reliability across the platform. This is a senior individual contributor role with significant technical leadership responsibility, including setting engineering standards, mentoring engineers, driving architectural decisions, and coordinating across product and platform teams . Responsibilities Shape platform architecture across ingestion, transformation, storage, APIs, and AI-powered services, ensuring scalability, resilience, and maintainability. Own end-to-end technical delivery of AWS Batch content pipelines, Lambda-based workflows, and .NET 8 REST/GraphQL APIs. Drive...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management. At that scale, performance, reliability and data integrity are part of the product. Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, Kubernetes and Kibana. About The Role Staff Backend Engineers shape technical direction across teams while remaining close to the systems and code. You will take on problems whose consequences extend beyond one service or delivery cycle. This is not a people-management role. Its leverage comes from technical judgement, credible execution and the...

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 impact. These...

Who We Are Hi, we’re FintechOS, the global leader in fintech enablement. Our mission is to make financial innovation accessible to every organization. The FintechOS platform simplifies and accelerates how financial products and services are launched, serviced, and scaled — helping businesses realize value up to 10x faster than traditional approaches. Unlike other fintech solutions, FintechOS liberates data from the core, empowering organizations to create personalized, data-driven financial products and experiences at scale. As a cloud-native platform, FintechOS integrates seamlessly with any technology or service, financial or non-financial, connecting both modern and legacy ecosystems. We’ve built a world-class technology foundation and assembled a diverse, high-performing engineering team passionate about redefining what’s possible in fintech. About the Role As a Senior Data Core Framework Engineer, you’ll own and evolve the Data Core framework (“dc-framework”) — the...

About Thunes Thunes is the Smart Superhighway for money movement around the world. Thunes’ proprietary Direct Global Network allows Members to make payments in real-time in over 130 countries and more than 80 currencies. Thunes’ Network connects directly to over 7 billion mobile wallets and bank accounts worldwide, via more than 350 different payment methods, such as GCash, M-Pesa, Airtel, MTN, Orange, JazzCash, Easypaisa, AliPay, WeChat Pay and many more. Members of Thunes’ Direct Global Network include gig economy giants like Uber and Deliveroo, super-apps like Grab and WeChat, MTOs, fintechs, PSPs and banks. Thunes’ Direct Global Network differentiates itself through its worldwide reach, in-house Smart Treasury Management Platform and Fortress Compliance Infrastructure, ensuring Members of the Network receive unrivalled speed, control, visibility, protection and cost efficiencies when making real-time payments globally. Headquartered in Singapore, Thunes has offices in 12...

We're looking for a Senior Backend Engineer to join our team. Qualifications Tech Enthusiasts - more important than experience is to have the passion to learn and get out of the comfort zone +7 years of professional experience as a software engineer in software engineering, architecture, and design Experience with micro-services architecture and running cloud-based production environments Team player who prefers collaboration over working solo Bonus Points Independent, fast learner, and excited about learning new technologies. Looking to improve a strong and open culture A day in the life and how you’ll make an impact: Each member of our team is an all-around player who influences the product from the overall experience to the development. You’ll be using top technologies like Typescript, Node.js, AWS and scalable databases to build a unique experience in the world of B2B payments. You should be passionate about engineering and building a product...

Welcome to Group Technology, where we pride ourselves on engineering solutions and driving Nordea’s transformation by providing a holistic technological view and structured understanding of the bank and its environment to enable the Customer Vision and Business Strategy. In Nordea, we're harnessing the power of technology to reinvent the future of banking. A tech revolution is underway – and you can make an impact. Working in international team in an inspiring working environment, you'll have lots of opportunities to expand your skills and advance your career. Nordea is a place where traditions meet tomorrow. We’re not just a bank; we’re a tech employer on a mission to evolve finance securely and responsibly. Together, we impact millions of people’s daily lives by ensuring they can access our solutions anytime, anywhere, while safeguarding their personal data and wealth. Join us in making an impact on the banking industry. About Our Team We are...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. What You’ll Do Design and deploy dynamically scalable, self-healing infrastructure and applications in public and private cloud environments. Striving to constantly improve and automate the infrastructure design in order to achieve better resilience and scalability. Use IaaS automation tools like Terraform, AWS CloudFormation and Ansible. Migrate environments from on-premise infrastructure to AWS/GCP environments. Evaluate application and infrastructure KPIs and proactively mitigate bottlenecks and possible issues. Design zero-downtime infrastructures. Continuous performance improvement and...

About Capco Capco is a global technology and management consultancy dedicated to the financial services industry. We combine innovative thinking with unrivalled industry knowledge, to offer our clients consulting expertise, complex technology and package integration, transformation delivery and managed services to move their organizations forward. We specialize primarily in banking & payments, capital markets, wealth & asset management and insurance We have a collaborative and efficient approach We help our clients successfully innovate, increase revenue, manage risk and regulatory change, reduce costs and enhance controls We serve our clients from 32 offices across the Americas, Europe, and Asia Pacific If the mix of technology, engineering, consulting and delivery is your passion, then Capco is right for you to grow in an inclusive, diverse and collaborative environment. At Capco, we will train and support you to help accelerate your career. YOUR CAPCO DAY...

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted...

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?...