Staff Software Engineer – Lead AI-Native Security & Scale

Company IconSnyk Ltd.
Location IconLondon

A leading secure software development company in London is seeking a Staff Software Engineer to lead the design and implementation of large-scale solutions. You will play a pivotal role in driving engineering efforts and mentoring junior engineers. I...Read More>>.

Posted: April 17th, 2026
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Contract Tech Lead - Fullstack (Java/React)

Company IconAND Digital
Location IconLondon

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in London - City of London Office...Read More>>.

Posted: April 17th, 2026
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Senior Go Backend Engineer — Scale Microservices

Company IconSoftware Careers
Location IconLondon

A leading technology firm in Greater London is looking for a Senior Backend Engineer to take technical ownership of key product areas. You will architect and build resilient Go services, mentor junior engineers, and lead initiatives that scale the pl...Read More>>.

Posted: April 17th, 2026
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Junior Developer — Crypto, Rust & .NET, 24/7 Operations

Company IconPulsar
Location IconLondon

A leading technology company in Greater London is seeking a Junior Developer to maintain and improve applications using Rust and .NET technologies. You will work in a collaborative, agile environment with a focus on production support and system enha...Read More>>.

Posted: April 17th, 2026
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Risk Software Engineer - Full-Stack Python & AI-Driven Engines

Company IconMarex Group
Location IconLondon

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skill...Read More>>.

Posted: April 17th, 2026
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Cloud-First Full-Stack Developer (AWS, .NET & Python)

Company IconEdenbrook
Location IconLondon

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools...Read More>>.

Posted: April 17th, 2026
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Staff Backend Engineer — Remote, Impactful FinTech Systems

Company IconMonzo Bank
Location IconLondon

A leading UK bank is seeking a Staff Engineer to join their dynamic team. In this role, you will collaborate with various teams to enhance the backend of their innovative financial services. The ideal candidate will have experience with distributed s...Read More>>.

Posted: April 17th, 2026
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Principal Software Engineer – AI & Cloud (UK Travel)

Company IconWeAreTechWomen
Location IconLondon

A leading technology and consulting firm in London seeks a Manager to lead client accounts and engineering initiatives. The position demands proven leadership in managing teams and client relationships, with full-stack engineering skills across techn...Read More>>.

Posted: April 17th, 2026
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Remote Full-Stack Engineer — AI-Powered Markets Platform

Company IconFanatics
Location IconLondon

A leading sports betting platform in Greater London is seeking a Full Stack Software Engineer to design and maintain web applications that allow users to engage with prediction markets. You will work on scalable features using React, Next.js, and Jav...Read More>>.

Posted: April 17th, 2026
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Software Engineer, Equity Index Options - Low Latency

Company IconDRW Holdings, LLC.
Location IconLondon

Software Engineer - Equity Index OptionsSoftware Engineer - Equity Index OptionsJob Location LondonEmployment type RegularDepartment TechnologyTargeted Start Date ImmediateDRW is a div...Read More>>.

Posted: April 17th, 2026
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Java Backend Engineer - Spring Boot & Microservices

Company IconOliver Bernard
Location IconLondon

A London-based trading company is seeking an experienced Java Engineer to join their technology team on an initial 6-month contract. The role focuses on backend development using Java and Spring Boot, building scalable services, and collaborating wit...Read More>>.

Posted: April 17th, 2026
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Cloud-Native Backend Engineer (Python/AWS)

Company IconIntropic
Location IconLondon

A leading financial technology start-up in Greater London is seeking a motivated backend engineer to help define and build cloud-native services. Candidates should have expertise in Python and experience with AWS, Docker, and Infrastructure as Code u...Read More>>.

Posted: April 17th, 2026
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C++ Trading Developer, Quant Trading Team

Company IconCrypto Pro Network
Location IconLondon

Responsibilities Continuously improve the design and performance of our automated trading system, including exchange connectivity, derivatives pricing model, order and risk management system. Implementing trading strateg...Read More>>.

Posted: April 17th, 2026
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Senior AI‑Driven C# .NET Finance Developer

Company IconMarex Group
Location IconLondon

A leading finance technology firm located in Greater London is seeking a Senior Developer specialising in C# .NET. You will play a crucial role in developing secure web-based finance platforms, leveraging AI-assisted tools to enhance productivity and...Read More>>.

Posted: April 18th, 2026
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Senior Software Engineer – AI-Driven Payments

Company IconCheckout Ltd
Location IconLondon

A global payments technology company in Greater London is looking for a Senior Software Engineer to develop next-generation payment technologies. The role involves leading projects, designing scalable systems, and collaborating with cross-functional...Read More>>.

Posted: April 19th, 2026
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Quant Developer (Library Quant – Rates) | C++ / Python

Company IconNP Group
Location IconLondon

Quant Developer (Library Quant – Rates) | C++ / Python Leading Hedge Fund | London Compensation: Highly competitive We are hiring a Quant Developer (Library-focused) to build and enhance core pricin...Read More>>.

Posted: April 19th, 2026
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Backend Developer - Web/Game Infrastructure (Contract) PRELOADED

Company IconPRELOADED
Location IconLondon

Contract: (Hybrid/Remote)OverviewWe’re seeking a seasoned Backend Developer with a proven track record in building scalable and robust architectures, and an instinctive understanding of how to deliver seamless digital...Read More>>.

Posted: April 22nd, 2026
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Remote Senior Backend Engineer — Go/Kubernetes & Open Source

Company IconXata.io
Location IconLondon

Xata.io is seeking a backend developer to join our team, responsible for database offerings and API services. This remote role requires significant experience in systems-level software, especially in Golang, along with strong knowledge of distributed...Read More>>.

Posted: April 27th, 2026
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Senior Backend Engineer - Remote for AI Medical Platform

Company IconVerisian
Location IconLondon

Verisian is seeking a Senior Backend Engineer to join our engineering team in London. You will develop parsers and compilers for statistical languages such as SAS, R, and Python, enhancing our clinical trial platform used for automating analyses and...Read More>>.

Posted: April 28th, 2026
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Hybrid Go Backend Engineer – Microservices, Scale & Impact

Company IconWheely
Location IconLondon

Wheely is looking for a Mid/Senior Backend Engineer to join our Platform team in Greater London. This role focuses on developing scalable solutions primarily in Go, with responsibilities including the creation of new microservices and the migration f...Read More>>.

Posted: April 28th, 2026
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Backend Software Engineer — C#/.NET Core, Azure & Agile

Company IconDigital Outsource Services
Location IconLondon

Digital Outsource Services is seeking a Backend Developer in Greater London, UK. The role involves designing and maintaining scalable systems, implementing quality solutions, and participating in Agile practices. Key qualifications include expertise...Read More>>.

Posted: April 28th, 2026
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Senior Software Engineer - AI Fintech foundation (UK)

Company IconHopper
Location IconLondon

About the Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against f...Read More>>.

Posted: April 29th, 2026
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Senior Software Developer — Remote AI-Driven SAP Automation

Company IconAvantra
Location IconLondon

Avantra is seeking a Senior Software Developer to join their dedicated team. The role involves full-stack development primarily using Java, Kotlin, Python, and TypeScript. You'll work to enhance core code functionalities, focusing on generative AI ca...Read More>>.

Posted: April 29th, 2026
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Hybrid Software Engineer II: Build Delightful Web Apps

Company IconZiff Davis Shopping
Location IconLondon

Ziff Davis Shopping is seeking a Software Engineer II to join their Engineering team in London. This hybrid role entails building user-friendly product experiences, improving existing website functionality, and contributing to the platform's architec...Read More>>.

Posted: April 29th, 2026
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Senior Java Backend Engineer - Remote 6-Month Contract

Company IconBinance
Location IconLondon

Binance, a leading blockchain ecosystem, is seeking a Software Backend Engineer to enhance Kazakhstan services. This remote position requires at least 7 years of experience in software development, with strong skills in Java and backend frameworks. R...Read More>>.

Posted: April 29th, 2026
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Senior Python Backend Engineer - Lead Tech & Crypto Equity

Company IconLinuxRecruit
Location IconLondon

LinuxRecruit in Greater London is seeking a Software Engineer for back-end development to drive team innovation in telecommunications. You will design and scale backend systems, utilizing your expertise in Python and frameworks suitable for diverse t...Read More>>.

Posted: April 29th, 2026
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Full-Stack Engineer – Payments Platform & Creator Tools (Equity)

Company IconJack & Jill
Location IconLondon

Mintstars.com is looking for a Mid / Mid-Senior Full‑Stack Engineer to develop and enhance their creator platform and B2B payments solutions. The role involves architecting and shipping key features using React, Node.js, and TypeScript, to solve co...Read More>>.

Posted: April 30th, 2026
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DV-Cleared Backend Engineer for Secure Cloud Apps

Company IconExperis - ManpowerGroup
Location IconLondon

Experis - ManpowerGroup is looking for DV cleared Backend Developers to support high-impact Defence and Security programs in the UK. The role involves designing, building, and operating secure cloud-native backend services while ensuring reliability...Read More>>.

Posted: April 30th, 2026
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Fixed Income Quant Developer (Python) – Pricing & Trading

Company IconMillennium
Location IconLondon

A leading hedge fund is seeking a Quantitative Developer for their Fixed Income team in London. This role focuses on building critical trading infrastructure and requires advanced Python skills and a strong quantitative background. Ideal candidates w...Read More>>.

Posted: May 1st, 2026
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VP, Technical Product Manager — Developer Tooling (Athena)

Company IconJPMorgan Chase & Co.
Location IconLondon

A leading global financial services firm is seeking a Technical Product Manager in London to lead the Athena Platform Developer Tooling team. This role requires collaboration with engineering teams and business units to prioritize and deliver digital...Read More>>.

Posted: May 1st, 2026
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Software Developer - Equity Market Making Trading Platform

Company IconMarex Group
Location IconLondon

Software Developer - Equity Market Making Trading Platform London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential li...Read More>>.

Posted: May 1st, 2026
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Senior Software Engineer — AI‑First Learning Impact

Company IconMultiverse
Location IconLondon

Multiverse is seeking a Senior Engineer to join their team in Greater London. The role focuses on designing and leading complex technical initiatives using React and TypeScript while mentoring mid-level engineers. You will navigate high-ambiguity tec...Read More>>.

Posted: May 1st, 2026
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Staff Backend Engineer (£140k-£160k+ + Equity) at Fleek

Company IconJack & Jill
Location IconLondon

Job Title Staff Backend Engineer Salary £140k-£160k+ + Equity Company Description Fleek - VC-backed marketplace platform transforming the global B2C supply chain. Job Description As a S...Read More>>.

Posted: May 1st, 2026
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Backend Engineer: Fast Growth, AI-Driven, Hybrid

Company IconZego
Location IconLondon

Zego is searching for a Backend Engineer to join their innovative team in Greater London. This role is ideal for someone early in their career who wants to grow rapidly. You will build, test, and ship backend services that substantially impact users....Read More>>.

Posted: May 1st, 2026
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Backend Engineer — Industrial AI & Edge-Cloud Platform

Company IconMATTA
Location IconLondon

MATTA in Greater London is looking for a skilled Backend Engineer to contribute to their innovative industrial AI initiatives. The role involves designing and scaling backend systems that manage real-time data for manufacturing processes. Ideal candi...Read More>>.

Posted: May 1st, 2026
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Senior Full-Stack Engineer — AI-Driven Home Healthcare

Company IconHeim
Location IconLondon

Heim is seeking a Senior Full-Stack Engineer to build AI-powered systems that improve home-based healthcare delivery. The role requires over 6 years of experience; candidates must demonstrate genuine full-stack capabilities and have a proven track re...Read More>>.

Posted: May 2nd, 2026
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Backend Engineer III - Java, Spark, Databricks API

Company IconRELX
Location IconLondon

RELX in Greater London is searching for a Software Engineer III with around 3 years of experience in backend development, especially in Java and RESTful APIs. This role involves implementing Scala/Spark pipelines for metric computation and contributi...Read More>>.

Posted: May 2nd, 2026
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Hybrid Mainframe Developer — CICS / z/OS Expert

Company IconN Consulting Limited
Location IconLondon

N Consulting Limited is seeking a Mainframe Developer with experience in IBM Mainframe technologies, including CICS, z/OS, and COBOL, to work on critical banking applications. The role involves development, maintenance, and optimization of legacy sys...Read More>>.

Posted: May 2nd, 2026
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Senior Rates Real Time Risk Developer

Company IconCitibank (Switzerland) AG
Location IconLondon

For additional information, please review .***Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ c...Read More>>.

Posted: May 2nd, 2026
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Staff Full-Stack Engineer - Lead, Build & Scale Impact

Company IconCapi Money
Location IconLondon

A dynamic fintech company based in London is seeking an experienced engineer to lead technology projects and mentor team members. You will work closely with the founding team to shape technical architecture and delivery excellence. Ideal candidates h...Read More>>.

Posted: May 2nd, 2026
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Python AI Full-Stack Developer (LangChain)

Company IconClearRoute
Location IconLondon

An innovative engineering consultancy in Greater London is seeking an experienced Python AI Developer. The ideal candidate should possess strong Python development skills and proven experience with AI agents and microservices. Responsibilities includ...Read More>>.

Posted: May 3rd, 2026
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Senior AWS & Full-Stack Engineer (Remote/UK)

Company IconPropel
Location IconLondon

Propel is hiring a Senior AWS / Full Stack Engineer for a remote position based in the UK, on a 12-month contract. This role requires over 5 years of experience with AWS services and a proven ability to build scalable, data-driven applications in clo...Read More>>.

Posted: May 3rd, 2026
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Senior Product Manager, Funds Platform (Hybrid, UI/UX)

Company IconSS&C Technologies
Location IconLondon

SS&C Technologies is seeking an experienced Senior Product Manager to take ownership of key strategic areas, especially focusing on UI/UX and API integrations. Located in Greater London, this hybrid role entails driving product strategy and working c...Read More>>.

Posted: May 4th, 2026
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Quantitative Developer - New Trading Pod

Company IconCapital Markets Recruitment
Location IconLondon

Our client, a Major Hedge Fund, is looking to hire a skilled Quantitative Developer to join an ambitious systematic trading pod in Dubai or London. This is a hands-on role in a performance critical environment, focused on building and re...Read More>>.

Posted: May 4th, 2026
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Senior Full-Stack Engineer — Hybrid, Public Sector Impact

Company IconInformed Solutions
Location IconLondon

Informed Solutions is looking for a Senior Full Stack Software Engineer to lead the design and delivery of impactful digital solutions for public sector clients. With over 5 years of experience, the successful candidate will own service delivery, con...Read More>>.

Posted: May 4th, 2026
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Senior Backend Engineer - Build Scalable Green Tech

Company IconOctopus Energy
Location IconLondon

Octopus Energy based in London is looking for a backend developer with 5+ years of experience in web application development, particularly with Python and Django. The role involves designing systems in cloud environments and collaborating across team...Read More>>.

Posted: May 4th, 2026
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Climate Action Java Spring Boot Backend Engineer

Company IconThe Climate App
Location IconLondon

The Climate App is looking for a passionate Android app developer to join its team in Greater London. The ideal candidate will have expertise in Java, Spring Boot, and REST, along with a strong drive to combat the climate crisis. The role involves cr...Read More>>.

Posted: May 4th, 2026
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Staff Engineer - React and Node.js - Accounting – 100% - Remote

Company IconHostaway
Location IconLondon

Job Description NOTE: This is a FULLY remote role, but the candidate must be within EMEA to collaborate with their team, peers, and internal customers. You do not have to be in the specific country or city shown in this listing, but...Read More>>.

Posted: May 4th, 2026
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AI-Driven Full-Stack Engineer (Python & TS)

Company IconLegal & General
Location IconLondon

Legal & General is seeking a Full-Stack Engineer to join their product engineering team in Greater London. The candidate will focus on building and maturing AI-powered applications that support critical business processes. Key responsibilities includ...Read More>>.

Posted: May 4th, 2026
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Lead Backend Engineer – Trading Platforms & Systems

Company IconMarks and Spencer
Location IconLondon

Marks and Spencer is seeking a Software Engineer to join their team in London. You will lead software development, provide technical leadership, and mentor fellow engineers. The position demands a strong engineering background with proven experience...Read More>>.

Posted: May 4th, 2026
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