17 senior software engineer jobs in London

Overview Permanent, full-time, hybrid (3 days per week in an office) We are looking for a Senior Software Engineer to work with our commodities team within Oils Trading to drive efficiency through technology modernisation. You will be part of a talented engineer team that works on low-latency mission-critical applications. Roles and responsibilities include application architecture and development across full software development lifecycle from concept and design to testing, collaborating with like-minded engineers. Responsibilities Contribute across all phases of the development lifecycle working within Agile methodology Write well designed, testable, efficient code Ensure designs are in compliance with specifications Prepare and produce releases of software components Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review Mentor and supports engineers with technical direction and best...

CMC are embarking on a major product and technology initiative to rebuild the web and mobile trading platform user experience for our global customer base. At the heart of this initiative is a completely new and fully cloud native “Open API” architecture which will power all of CMC’s own frontend technology going forward, as well as being “open” for connectivity in CMC’s b2b businesses opportunities. CMC’s Open platform API is being built on AWS using as much of AWS's broad range of technology as we need to deliver the API experience our consumers require. The vision for our development lifecycle is to create an environment where engineers are empowered to build new API features and functionality quickly with the least amount of technical barriers as possible. Our infrastructure and tools facilitate this by providing easily repeatable patterns, templates and workflows that can be used without requiring hours of training. This means that all our developers can create and maintain...

Overview Permanent, full-time, hybrid Company Profile StoneX (formerly known as INTL FCStone) is an institutional-grade financial services network that connects companies, organisations and investors to the global markets ecosystem through a unique blend of digital platforms, end-to-end clearing and execution services, high-touch service and deep expertise. We provide access to 36 derivatives exchanges, 175 foreign exchange markets, nearly every global securities marketplace and a number of bi-lateral liquidity venues. We deliver this access with support throughout the entire lifecycle of a trade – from consulting and “boots-on-the-ground” intelligence, to best execution, to post-trade clearing, custody and settlement. In these ways, StoneX enables clients to use the global markets ecosystem to achieve their business goals through one trusted partner. StoneX currently serves more than 30,000 commercial, institutional and payments clients, and more than 295,000 retail...

The Firm XTX Markets is a leading algorithmic trading company partnering with counterparties, exchanges and e-trading venues globally to provide liquidity in the Equity, FX, Fixed Income, Commodity & Options markets. We provide consistent liquidity, helping market participants throughout the world obtain the best prices in the various assets classes we cover, regardless of changing market conditions. At XTX Markets technology is our business and we are a diverse organisation which attracts outstanding talent from across all industry backgrounds. We are focused on teamwork and our people collaborate on all aspects of the business, working openly and with respect for each other, our clients and the market. Our culture is non-hierarchical and one where everyone is valued. We strive for excellence in everything we do. The Role XTX has one of the largest HPC clusters in the world, which the research technology team have built by writing software. We are not afraid...

We are hiring a Senior Platform engineer who will be the driving force behind Core Cloud. As the Senior Platform Engineer, you will be keen on understanding and delivering solutions to technical and business problems, and supporting what you've built. You'll have a strong background of using infrastructure-as-code to build scalable apps/services on AWS, and want to be taking ownership of larger pieces of work from design to delivery and operation. You'll evangelise (in a good way) our team principles and ways of working, helping both our Platform engineers and wider squads adopt them and understand the benefits. Senior Platform engineers should broadly take on the responsibility level of SFIA Level 4. What do we expect from a Senior Platform Engineer? On a daily basis, you will: Architect and build AWS Infrastructure using Terraform Write and help to maintain code for serverless functions that run as part of our platform Support what you build by participating in our...

Company Overview Coincover is on a mission to make digital currency accessible to everyone by making it safe. To do this, we are building the next generation of cryptocurrency and blockchain enabled services for the fast-growing trillion-dollar, digital asset market. By combining technology, data, operational security, and insurance, we are the first and only service to guarantee the safety of digital assets which means they will never be lost or stolen. Founded in 2018, we are a UK founded and HQ’d venture capital backed Fintech start-up operating on the global stage – and you will be in at the beginning, working with us to change the way people accumulate, hold, and manage their cryptocurrency. Put simply, we are the market leader in protecting digital asset holders and users. Position Overview Coincover is seeking a dynamic Senior Product Manager to join a fast-growing product team. With 100% team growth already this year, the product organisation is evolving...

CMC Markets are looking for a Senior Java Developer to join our Pricing and Risk team. We work on a pricing and trading platform utilising technologies from TIBCO and OneTick, in Java SE. As well as development, a senior developer will take on more design responsibility for various projects, as well as providing technical mentoring to other members of the team. Benefits Competitive salary Life Assurance: 4 x salary Health Insurance provided through Vitality Pension: 9% = 5% company contribution and 4% self-contribution Income Protection Holiday: 25 days – option to buy up to 5 days extra + additional day off for your birthday Breakfast provided for office days. Hybrid working – 3 days in the office – 2 days at home. Discretionary bonus Role & Responsibilities Design and develop pricing and risk components to support the firm's market-making business, working across multiple asset classes ranging across Equities, FX, Commodities and other derivatives;...

CMC Markets are looking to hire a Senior Automation Test Analyst to join the team. As the Senior Automation Test Analyst you will work alongside the Quant Analysts, Developers and Test Analysts to review business and technical requirements and conduct automated testing in an agile, front office environment. Responsibilities: To review business and technical requirements and conduct automated testing in an agile, front office environment Build, maintain and improve automated test frameworks, execute automated testing and report test status Support the production and maintenance of automated functional, integration and regression test packs Conduct automated functional, integration and regression testing across all Pricing, Risk and Quantitative Strategies Provide help in investigating issues Train other team members on test automation Key Skills and Experience Strong experience of coding in an OO development language Proven experience in a test automation role...

LMAX Group is a FinTech company that designs, develops, builds and runs leading edge financial exchanges in major financial centres around the world, specialising in fiat and crypto-currencies. About the Role: The Senior Network Engineer role provides the opportunity to push networking to the edge of its capabilities as we maintain a 24/7 low latency trading environment. You will work very closely with the Sysadmin, Information Security, and Development teams to ensure business objective are met. You will be able to task manage yourself and work well with non-technical teams during customer onboarding Essential Skills / Experience: Genuine enthusiasm for Networks and Open Source. Positive, constructive, and open-minded attitude. Self-motivated to deliver projects and business tasks. Systematic problem-solving approach coupled with a keen sense of ownership and drive. Practical approach to managing time and workload to ensure that tasks required are completed...

About Lendable Lendable is on a mission to make consumer finance amazing: faster, cheaper, and friendlier.We’re building one of the world’s leading fintech companies and are off to a strong start: One of the UK’s unicorns with a team of >250 people Among the top 10 fastest-growing tech companies in the UK Profitable since 2017 Backed by top investors including Balderton Capital, Goldman Sachs and most recently OTPP (Ontario Teachers' Pension Plan) in 2022 Loved by customers with the best reviews in the market (4.9/5 across 10,000s of reviews) So far, we’ve rebuilt the Big Three consumer finance products from scratch: loans, credit cards and car finance . We get money into our customers’ hands in minutes instead of days.We’re growing fast, and there’s a lot more to do: we’re going after the two biggest Western markets ( UK and US ) where trillions are held by big banks with dated systems and painful processes. We launched our loans product in the US in 2022 with more...

Overview Permanent, full-time, hybrid StoneX is looking for a high performing Website Editor to manage the www.Forex.com web channel demand for Germany, supporting the growth of this regional website through SEO optimization. This person will be part of the Global Websites team, working alongside our in-house Copywriters, Web Developers, Web product owners, Paid Media specialists and many more. Some of the immediate initiatives the person in this role will drive: Work with the Head of SEO on a list of SEO quality assurance items, to be incorporated into the publishing process Innovate and help drive all SEO activity for our retail DE offering, with the purpose of improving core metrics and ROI Work with the Marketing manager to implement new regional campaigns Drive the optimization of the newly launched German website in line with global best practices Responsibilities Website quality assurance – help test and review website content for errors Work with...

CMC are embarking on a major product and technology initiative to rebuild the web and mobile trading platform user experience for our global customer base. At the heart of this initiative is a completely new and fully cloud native “Open API” architecture which will power all of CMC’s own frontend technology going forward, as well as being “open” for connectivity in CMC’s b2b businesses opportunities. CMC’s Open platform API is being built on AWS using as much of AWS's broad range of technology as we need to deliver the API experience our consumers require. The vision for our development lifecycle is to create an environment where engineers are empowered to build new API features and functionality quickly with the least amount of technical barriers as possible. Our infrastructure and tools facilitate this by providing easily repeatable patterns, templates and workflows that can be used without requiring hours of training. This means that all our developers can create and maintain...

CMC are embarking on a major product and technology initiative to rebuild the web and mobile trading platform user experience for our global customer base. At the heart of this initiative is a completely new and fully cloud native “Open API” architecture which will power all of CMC’s own frontend technology going forward, as well as being “open” for connectivity in CMC’s b2b businesses opportunities. CMC’s Open platform API is being built on AWS using as much of AWS's broad range of technology as we need to deliver the API experience our consumers require. The vision for our development lifecycle is to create an environment where engineers are empowered to build new API features and functionality quickly with the least amount of technical barriers as possible. Our infrastructure and tools facilitate this by providing easily repeatable patterns, templates and workflows that can be used without requiring hours of training. This means that all our developers can create and maintain...

Axi is a leading global provider of margin and deliverable Foreign Exchange, Contracts For Difference (CFDs) and Financial Spread betting. Our business has evolved into a world class, multifaceted brokerage with offices in six regions. With heavy investment in the latest trading technology, Axi seeks to offer the most comprehensive end to end trading experience available, servicing traders of all levels from beginners to institutional level clients. Our Axi values are: Selflessness – we are a team, who know that together we are stronger. Trust – we have confidence in our teammates to do the right things for the business and for each other. Ambition – we are passionate, focused and driven. Accountability – we step up, take ownership, and take pride in our work. Respect – we believe everyone is appreciated, included and listened to. Position Purpose To work within the development team, developing end to end software...

Overview Permanent, full-time, hybrid StoneX is looking for a high performing Website Editor to manage the www.Forex.com web channel demand for Germany, supporting the growth of this regional website through SEO optimization. This person will be part of the Global Websites team, working alongside our in-house Copywriters, Web Developers, Web product owners, Paid Media specialists and many more. Some of the immediate initiatives the person in this role will drive: Work with the Head of SEO on a list of SEO quality assurance items, to be incorporated into the publishing process Innovate and help drive all SEO activity for our retail DE offering, with the purpose of improving core metrics and ROI Work with the Marketing manager to implement new regional campaigns Drive the optimization of the newly launched German website in line with global best practices Responsibilities Website quality assurance – help test and review website content for errors Work with...