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Lead Java Backend Architect for AI Driven E commerce

A leading e-commerce personalization platform in the UK seeks a top-notch lead back-end developer. The role involves developing RESTful services and implementing Big Data solutions with strict SLAs. Candidates should have over 10 years of experience in Java development, be proficient with modern web technologies ...

Backend Engineer (Kotlin/Spring Boot) Remote & Flexible

A financial technology startup in the United Kingdom is seeking a Backend Developer to build secure and performant solutions using Kotlin or Java. You will collaborate with teams to enhance user experience and integrate third-party APIs. Ideal candidates should have significant backend development experience, pr ...

Cross Border Payments Java Engineer (AVP) – AI First FX Tech

A leading global financial institution is seeking a Cross Border Payments Developer (AVP) to join their FX Technology team in the UK. The role focuses on Java development within an AI-first environment, enhancing cross-border payment solutions. Qualified candidates will possess experience with sales or trading t ...

Hybrid Full Stack Engineer (Kotlin/Java, TypeScript)

A prominent financial services firm in London is seeking a full stack developer skilled in Kotlin or Java, along with TypeScript. This role requires strong computer science fundamentals and excellent communication skills. Candidates should have 3-9 years of experience and will need to pass an online test before ...

Java Backend Engineer – Incident Response & Reliability

A technology solutions firm in Greater London seeks a skilled 3rd Line Back End Developer to tackle complex issues in live systems. The role requires a strong background in Java and server environments, with responsibilities that include diagnosing defects, developing solutions, and collaborating with various te ...

Hybrid AI Software Engineer I – London

A technology company in London is seeking a skilled developer to join their team. In this role, you will engage in code reviews and collaborate on architecture design, leveraging AI tools to enhance development. The ideal candidate has a Bachelor's degree or equivalent experience and is proficient in a managed l ...

VP of Low Latency EMS/SOR Trading Architecture

A leading digital assets firm in Greater London is seeking an experienced EMS / SOR Developer to design and implement a low-latency trading system. The role demands strong Java programming skills, extensive experience developing routing strategies, and a solid understanding of algorithmic trading environments. R ...

Lead Software Engineer (Remote) – Government Backend & Cloud

A leading technology consultancy in Greater London is seeking a Lead Software Developer with expertise in Java and Node.js. The role involves technical leadership across software development, designing secure and scalable back-end services, and championing microservices architecture. Candidates must have experie ...

Mobile Voice Platform Engineer (Android)

Mobilus Labs is seeking a Mobile Software Developer to help design, develop, and test a voice communication mobile application. This full-time role is based in London, UK. The ideal candidate should possess strong Java and/or C/C++ skills and experience with Android SDK. Responsibilities include continuing devel ...

VP Java Platforms Lead FX Tech & Markets

Citi is looking for an experienced Applications Developer to join their FX Technology group in Greater London. You'll be responsible for leading application development projects and managing a team, working closely with stakeholders in a fast-paced environment. Ideal candidates will have a strong background in J ...

Front Office FX Software Engineer (C#/Java)

Crédit Agricole Group is seeking a Developer in Greater London. The successful candidate will work closely with traders and operational staff, enhancing front-office systems for foreign exchange. Candidates should have experience in C# or Java, some SQL knowledge, and a strong interest in financial markets. Resp ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Full Stack Engineer (TS/Java) — AWS Microservices, CI/CD

Legal & General is seeking a full-stack developer skilled in TypeScript and Java/Spring Boot. You’ll deliver clean, maintainable features, build RESTful microservices, and collaborate with product teams to create user-focused solutions. Strong experience in modern frontend architecture and cloud services like AW ...

Android Engineering Manager | Lead 10+ Engineers (Kotlin)

Paritas Recruitment is seeking a team leading Android Developer for a leading global bank in Greater London. The ideal candidate will have extensive experience in Android development with Jetpack Compose, Kotlin, and Java, along with a strong background in test-driven development (TDD). Management experience is ...

Software Engineer

Overview Python Developer - London - Energy Trading - 90k RJC is working a Python developer role for a global energy trading company based in London. Working as part of the IT Delivery team within the Front Office, they are looking for a developer to assist in the creation and suppo ...

Senior Software Engineer

I am looking for a Senior Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Senior Sof ...

Senior Software Engineer

I am looking for a Senior Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Senior Sof ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Senior Full Stack Engineer

Our client is a forward thinking, ambitious infrastructure and managed services provider in London. We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, and lead the team to new heights. Salary £70k to £80k plus excellent benefits Role type Permanent < ...

Developer Support Engineer

Join to apply for the Developer Support Engineer role at Braintrust Base pay range $139,400.00/yr - $228,850.00/yr About The Company Braintrust is the AI observability platform. By connecting evals and observability in one workflow, Braintrust gives build ...

Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)

Job DescriptionKey Responsibilities Taking ownership of individual work packages within wider workstreams, delivering them to the quality standards and timelines set by the Technical Lead or Technical Architect.Implementing Dynamics 365 CE and Power Platform compon ...

Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)

Job DescriptionKey Responsibilities Taking ownership of individual work packages within wider workstreams, delivering them to the quality standards and timelines set by the Technical Lead or Technical Architect.Implementing Dynamics 365 CE and Power Platform compon ...

Site Reliability Engineer

Responsibilities Development or support of Python, Machine Learning, Java/J2EE/REACT Java Script, and Node applications Research latest technology, concepts, conceptualize solution and develop proof of concept that will improve resiliency and performance of the production infrastr ...

Principal C# Developer.Net AWS FinTech

Principal C# Developer / Engineer (C# .Net AWS Python) London / WFH to £120kWould you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression?As a Principal C# Developer you ...

Principal C# Developer.Net AWS FinTech

Principal C# Developer / Engineer (C# .Net AWS Python) London / WFH to £120kWould you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression?As a Principal C# Developer you ...

Technical Lead

Location: UK - Hybrid (2 days in office every fortnight) Rate: £750-£800 per day Duration: 12 months Headcount: 2 roles available We are seeking two experienced Python‑focused Technical Leads for a long‑term contract engagement. The ro ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Senior Rates Real Time Risk Developer

**_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+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Senior Rates Real Time Risk Developer

**_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+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Senior Rates Real Time Risk Developer

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+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, ...

Cloud Architect London

Job: Cloud Architect Salary: £87,000 Location: West London (Heathrow)Location: Hybrid – 3 days per week in the office We are looking for a highly experienced Cloud Architect</ ...

Cloud Architect London

Job: Cloud Architect Salary: £87,000 Location: West London (Heathrow)Location: Hybrid – 3 days per week in the office We are looking for a highly experienced Cloud Architect</ ...

Senior Automation Test Engineer eSC or eDV Required

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Senior Backend Engineer, Subscriptions — Remote & Hybrid

Spotify is seeking an experienced backend developer to design and build scalable Java services that power its merchandising platform. The role requires at least 5 years of experience in backend systems and expertise in cloud services like GCP or AWS. The position offers flexibility in work location, whether base ...

Full Stack Developer — Growth Driven, Hybrid Role

A technology consultancy in Greater London is seeking an experienced software developer to contribute to all stages of the software development lifecycle. The ideal candidate has over 2 years of IT experience, a degree in Software Engineering, and proficiency in Java and database management. This role offers a h ...

Senior eFX Developer | High Frequency Trading Specialist

A global investment firm in Greater London seeks an experienced full-stack developer for creating high-performance Java and Rust code. Candidates should have a minimum of 5 years in automated trading and strong knowledge of FX Spot, Forward, and eNDF trading. This role involves developing new functionalities in ...

Backend Data Platform Engineer (Remote Friendly)

A leading streaming platform based in London is seeking an experienced backend developer to enhance their data processing capabilities. You will collaborate with product and engineering teams to build scalable infrastructure and develop tools to improve productivity. The role requires expertise in Java, SQL, and ...

Backend Engineer (Kotlin/Java) Remote Healthcare SaaS

A leading healthcare technology provider is seeking a remote Backend Developer proficient in Kotlin and Java. The ideal candidate will collaborate with cross-functional teams to design backend services and APIs, ensuring quality and reliability. Candidates should have at least 5 years of relevant experience, a b ...

Full Stack Engineer: Build Scalable Gaming Systems

FDJ UNITED in Greater London is seeking a Full Stack Developer to engage in the full system development life cycle, from design discussions to product care. The role requires a foundation in Java and Spring frameworks, understanding of REST APIs, and troubleshooting skills. Successful candidates will enjoy a col ...

Java Backend Engineer – Kafka API (Hybrid, London)

Client Server in Greater London is looking for a Java Developer to work on cutting-edge technology within the financial services sector. This role offers a salary of up to £90k, hybrid working model with 2 days WFH weekly, and excellent perks such as private medical care, pension, and gym membership. You will ha ...

Software Engineer II: AI Driven, Scalable Cloud

A leading travel technology company is seeking a Software Developer to design and maintain scalable solutions. The ideal candidate has a Bachelor's in Computer Science and 2+ years of experience. Responsibilities include collaborating with cross-functional teams and integrating AI/ML capabilities. A strong grasp ...

Android POS Quality Engineer: Payments & Certification

A prestigious company is looking for an Android Developer to design high-quality applications for point-of-sale terminals. You will work extensively with POS hardware integration and ensure compliance with payment certification requirements. Ideal candidates should have strong hands-on experience in Android deve ...

Senior Backend Architect — AI Driven, Scalable Systems

OneShot AI is seeking a highly experienced software developer in Greater London to lead the end-to-end development of scalable backend and frontend features. The ideal candidate will have over 8 years of software development experience, mainly with Java and Spring Boot, and be adept in REST APIs, microservices, ...

Senior Full Stack Engineer

Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi‑Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations across London. What You Will Do We are ...

Senior/Principal Software Engineer

Senior/Principal Software Engineer Application Deadline: 31 May 2026Department: Software EngineeringEmployment Type: PermanentLocation: London (Hybrid)Compensation: £70,000 - £100,000 / year Description Please note: This role requires applicants to ho ...

Guidewire Claim Center Developer

 JOB DETAILSRole Title: Guidewire CC Lead DeveloperPossibility of remote work: Hybrid | 3 days in the office/ weekContract duration: 6 MonthsLocation: LondonRequired Core Skills:• Strong working experience Guidewire ClaimCenter• Java and Gosu• Insurance P& ...

Guidewire Claim Center Developer

 JOB DETAILSRole Title: Guidewire CC Lead DeveloperPossibility of remote work: Hybrid | 3 days in the office/ weekContract duration: 6 MonthsLocation: LondonRequired Core Skills:• Strong working experience Guidewire ClaimCenter• Java and Gosu• Insurance P& ...

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    Senior Devops Developer Java Python Jobs in London Job Search Guide, Trends and Insights