87 software development engineer in test jobs found in London

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We’re looking for a Software Development Engineer in Test (SDET) to join our Institutional team in London. At Blockchain.com, we thrive in a high-performance culture defined by fearlessness, ownership, and...

The Role: ION Markets Information Security Team is looking to hire a Platform Security Engineer that support the division’s security strategy through definition and implementation of security controls across our platforms, infrastructure, and operational workflows. As the Platform Security Engineer, you will be responsible for designing and implementing end-to-end security controls across ION Markets on-premises infrastructure and other internal platforms. The role spans security architecture, engineering, and operations with a strong focus on automation, detection and secure by design principles. Additionally, as part of the role you will be participating in threat detection, incident response and vulnerability management remediation. You will be serving as an operational responder, working closely with Product, infrastructure and Security Operations teams. We are looking for a hard-working, dedicated and motivated individual. Excellent communication...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com  is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are currently seeking an experienced  C++/Rust Quantitative Software Engineer/Developer. You will be responsible for designing, building and optimizing our electronic trading platform. You will work closely with our  traders to perform various functions, including the development of our core-trading...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a proactive, thorough Senior Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the...

Role profile: Group Risk IT provides technology solutions for Group Risk, a centralised function which oversees all Clearing Services in LCH.  It is composed of 3 sub teams - development, QA & Business Analysis. Our primary objective is to inspire confidence in market participants through providing efficient and effective clearing services and risk management. The ideal candidate will be diligent, tenacious and delivery focused with a track record of building high quality solutions that are resilient and maintainable. Group Risk IT is responsible several risk management applications, the primary one being a data warehouse and reporting solution used by Group Risk. In addition to the data warehouse, there are microservices that expose the data in a user interface and perform calculations. The risk management application is used to analyse and report risk exposures, compute capital requirements (KCCP), manage Internal Credit Scores (ICS), and monitor risk against policies....

End Date Tuesday 30 December 2025 Salary Range £78,849 - £118,274 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior iOS Software Engineer SALARY: £81,999 - £95,000 per annum LOCATION: London HOURS: Full-time – 35 hours WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our London office.   About this opportunity… We’re looking for Senior iOS Software Engineers to join our Segments & Propositions Team in London. Segments & Propositions is the segment of customers with between £50,000 and £5 million in investable assets. We have close to three million Mass Affluent customers, and we are working hard to create greenfield personalised and tailored offering to ensure a beautiful banking experience....

End Date Thursday 01 January 2026 Salary Range £72,702 - £109,053 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Software Engineer SALARY: £70,929 – £78,810 LOCATION(S): Bristol HOURS:  Full-time – 35 hours per week WORKING PATTERN:  Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our Bristol office. About this opportunity At Lloyds Banking Group we're building a bank for the future, and we need your help. Lloyds Banking Group is the UK’s leading digital franchise, with over 13 million active online customers across our three main brands; Lloyds Bank, Halifax and Bank of Scotland. Our technology, our culture, and our mind-set is changing to craft a truly engineering-led organisation. In Analytics & AI, our mission is to automate...

End Date Wednesday 31 December 2025 Salary Range £104,686 - £190,898 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description Job Title: Lead Software Engineer Salary: £90,440 - £106,400 Location: Edinburgh Hours: Full-time   Working Pattern: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our Edinburgh Office.   About us     We’re on an exciting journey to transform our Group and the way we’re shaping finance for good. We’re focusing on the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you!   About this opportunity    Become a part of the Commercial Bank for Lloyds Banking Group and seize a unique chance to influence the future of digital banking. Our...

About the Role: Grade Level (for internal use): 09 The Team: OTC Derivatives Data provides consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. Asset class coverage includes foreign exchange, interest rate and equity derivatives. As Full-stack Java/Clojure developer working within OTC Derivatives Data you’ll be working closely with our product and data specialists across all asset classes, extending our platform. As well as delivering software of high quality, you’ll work towards the team’s goals of high test-coverage, automated, frequent deployment and regular cycles of code delivery, testing and feedback Responsibilities and Impact: Develop new software and enhance existing software to high-standards.   Adhere to best practices that enhance user experience, usability, scalability, performance and security.   Work with business analysts and...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and a year ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer  you should lead by...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. The Engine technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for software engineers with a proven track record in building scalable, reliable and performant systems for Fraud. You will play a critical role in building financial and crypto-native products, services and APIs. As a Back-End Engineer  you will be participating in technical discussions and...

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as  personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and  combine their pensions with us.  With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ Hear from our UK team about what it's like working at Monzo ✨ 📍London / UK Remote | 💰 £135,000 - £184,000 + Share Options | Benefits  |...

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling Bank has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. We draw upon our experience as FinTech experts, and best-in-class technologists, to become the chosen option for these banks, and preferred partners for leading consultancies. As a company, everyone is expected to roll up their sleeves...

Job Title Senior Engineer: Java Job Description So, who are we? Hello, we're IG Group. We are an FTSE250 FinTech company who run mobile, web and desktop platforms that help our clients trade stocks & shares, leveraged products, Futures & Options and Crypto. We are ambitious. Over 340,000 people already use our platforms. We're global with offices in 18 countries and products in 16 regions. We're hungry to move faster, ship better product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order to create better experiences for our customers. We work in cross-functional teams and are laser focused on increasing the number of active clients we serve to drive sustainable growth. Your team This role is part of our Digital Platform Services team, who are responsible for delivering central services to the divisions in an API first way by utilising AI to pioneer of AI-first...

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team. Engineering technology designs and builds enterprise-wide structures, networks, servers, systems, monitoring, testing, telecom, security, storage and organizations to support the development team. Includes DevOps and Automation, Enterprise, Network, Platform, Security, Server and Service Delivery job families.  We’re seeking a Director Site Reliability Engineer to join our team.  You would be responsible for leading engineers who design, implement, and provide operational support for our technical infrastructure.   Responsibilities: Work within and across multi-geography teams to design, develop, test, implement, and support technical solutions across a full stack of development tools and technologies.  Translate business requirements into...

Flow Traders is looking for a Machine Learning Engineer to join us in our London office. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business. We value quick-witted, creative minds and challenge them to make full use of their capacities.  As a Machine Learning Engineer, you will be responsible for helping to lead the development of our trading model research framework and its integration with our platform for deploying/running those models in production. You'll be responsible for expanding the current (limited) scope of the framework and platform to become the global standard way of training, consuming, combining, and transforming any data source in a data-driven systematic way.   What you will do Lead the development and global rollout of our research framework for defining and training models through various optimization procedures (supervised learning, backtesting etc.), as...

Excited to grow your career? Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We’d love to hear from you! About the role This is the future of HL - and the future of investing. We’re building the next generation of platform for one of the UK’s largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the...

About Clear Street: Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale. We give our clients the technology, tools, and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they can interact with markets tomorrow. For more information, visit  https://clearstreet.io .   The Role: As an experienced Full Stack Software Engineer you will help build our Equity Swaps team in the UK. You will tackle non trivial problems that force you to balance trade offs while implementing clean and efficient solutions. You will raise our bar on providing clean and efficient solutions that delight and offer the best experience for our customers. You will push our operational standards and ensure that we are able to offer...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Forward Deployed Software Engineers (FDSEs) understand our customers’ greatest pain points and design end-to-end solutions to address them. FDSEs solicit constant feedback on their work from both customers and colleagues, improving our products over time with rapid iteration cycles. FDSEs deploy ground breaking technical solutions to solve our customers’ hardest problems. Projects often start with a nebulous question like “Why are we losing customers?” or “How can we more effectively identify instances of money laundering?” FDSEs lead the way in developing a solution, from high-level system design and prototyping to application development and data...

At  Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. We draw upon our experience as knowledgeable bankers, and best in class technologists to become the chosen option for these banks, and preferred partners for leading consultancies. Hybrid Working We have a Hybrid approach to working...

About Clear Street:   Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today’s complex, global market. Clear Street’s proprietary prime brokerage platform adds significant efficiency to the market, while focusing on minimizing risk, redundancy, and cost for clients. Our goal is to create a single source-of-truth platform for every asset class, in every country, and in any currency. By combining highly skilled product and engineering talent with seasoned finance professionals, we are building the essentials to compete in today’s fast-paced markets. The Role: As an experienced Full Stack Software Engineer you will help build our Equity Swaps team in the UK. You will tackle non trivial problems that force you to balance trade offs...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. We are looking for a talented Data Engineer to join our finplatform team and work from our office in London. The team works alongside the analytics team informing all product decisions and creating models and infrastructure to improve efficiency, growth, and security. We work closely with most sides of the business including fraud, trading, product, growth and finance. Our automated ETL processes serve both the broader company (in the form of dashboards and back-end data sources for product features) and the analytics team itself (cleaning and processing data for analysis and modeling...