Senior Lead Backend Engineer — Java/Kotlin (Fintech)

Company IconNext Frontier Capital
Location IconLondon

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize y...Read More>>.

Posted: August 29th, 2026
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Senior Full-Stack Engineer: Java/TypeScript on Azure

Company IconWorky
Location IconLondon

Legal & General (L&G) in London seeks a Senior Full-Stack Engineer to join our Group Protection technology team. Play a key role delivering modern cloud-based solutions across the full software lifecycle.Mentor peers, drive engineering exce...Read More>>.

Posted: September 12th, 2026
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Senior Full-Stack Engineer (Java, Typescript & Azure)

Company IconWorky
Location IconLondon

Company Description Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while impr...Read More>>.

Posted: September 12th, 2026
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Graduate Automation Engineer — Java Testing (Onsite UK)

Company IconUnderstanding Recruitment
Location IconLetchworth

Understanding Recruitment in the United Kingdom is seeking a Junior Test Software Engineer to join an established software company building finance and procurement platforms used by major public-sector organisations.You’ll write code in J...Read More>>.

Posted: September 12th, 2026
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Full-Stack Engineer (Java/React) - Hybrid in MK

Company IconSynapri
Location IconMilton Keynes

Synapri is seeking a junior to mid-level Full-Stack Engineer for their Data and Software business in the gaming industry. You’ll work in Agile/Scrum teams, collaborating with Engineers, QAs, TLs and BAs to deliver tailored solutions while gainin...Read More>>.

Posted: September 12th, 2026
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Full Stack Engineer | Java, Spring Boot and Angular

Company IconTata Consultancy Services
Location IconTipton

Full Stack Engineer | Java, Spring Boot and Angular Experience: 10+ years Employment Type: Full-time Work Mode: On-site, based on project requirements Notice Period: Immediat...Read More>>.

Posted: September 12th, 2026
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Senior Backend Engineer - Java/C++ with SC Clearance

Company IconSanderson
Location IconGloucester

Sanderson is seeking a Senior Software Developer to join a skilled engineering team delivering high-performance backend systems. The role focuses on Java and C++ development, microservices, and scalable architectures within Linux environments....Read More>>.

Posted: September 12th, 2026
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Founding Backend Engineer (Java/Kotlin) for Scalable Platform

Company IconStanford Black Limited
Location IconLondon

Stanford Black Limited in London is seeking a Backend Developer to join as a Founding Engineer, delivering a greenfield platform with Java and Kotlin. You will own core architecture, lead design decisions, and drive the project from the ground up....Read More>>.

Posted: September 13th, 2026
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Senior Full-Stack Engineer (Java/Spring + React)

Company IconJPMorganChase
Location IconGlasgow

JPMorganChase in the United Kingdom is seeking a Software Engineer III to contribute to secure, scalable technology across backend and frontend. You will design systems, implement with Java/Spring Boot and React/TypeScript, and help drive automati...Read More>>.

Posted: September 14th, 2026
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Senior JVM Engineer — Java/Scala/Kotlin (Hybrid)

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is seeking a Senior JVM Engineer to join a high-performing UK team in Canary Wharf. This hands-on role focuses on building scalable distributed systems using Java, Scala and/or Kotlin, with a strong emphasis on TDD and automated tes...Read More>>.

Posted: September 14th, 2026
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Full Stack Mobile Engineer – Java / Flutter / AWS

Company IconBGTS International
Location IconLondon

Full Stack Mobile Engineer – Java / Flutter / AWS Location: London/Cardiff/Midlands About the Opportunity We are looking for a talented and experienced Full Stack Mobile Engineer to join our mobile application developme...Read More>>.

Posted: September 17th, 2026
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ML Ops Full-Stack Engineer (Java/React)

Company IconAveni
Location IconLondon

Starling Bank in London is seeking a Full Stack Engineer (ML Ops) to help build and operate our data and banking platform. The role blends backend Java with modern frontend work in React/Redux and cloud deployments on AWS.You will own featu...Read More>>.

Posted: September 19th, 2026
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Hybrid API & Microservices Engineer (Java Spring Boot)

Company IconYorkshire Building Society
Location IconBradford

Yorkshire Building Society is seeking an API & Microservices - Software Development Engineer to join our Engineering team. This hybrid role blends working from home with time in our Leeds and Bradford offices as we build digital platforms for our...Read More>>.

Posted: September 20th, 2026
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Senior Full-Stack Engineer (Java, Typescript & Azure)

Company IconLegal & General
Location IconLondon

Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers...Read More>>.

Posted: September 21st, 2026
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Senior Full-Stack Engineer (Java/TypeScript) on Azure

Company IconLegal & General
Location IconLondon

Legal & General is seeking a Senior Full-Stack Engineer to help shape and deliver modern cloud-based solutions across the full software delivery lifecycle. You will work with product owners, engineers and stakeholders to turn ideas into impactful,...Read More>>.

Posted: September 22nd, 2026
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Senior Backend Engineer - Java for Global Banking Platform

Company IconStarling Bank
Location IconManchester

Engine by Starling is seeking Backend Software Engineers to advance the Engine Platform. You’ll work on features for banks worldwide, building new components from scratch and enhancing existing tooling.The role welcomes engineers at all l...Read More>>.

Posted: September 24th, 2026
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Senior Backend Engineer — Java, Spring Boot Microservices

Company IconFirst Orion
Location IconLondon

First Orion is hiring an experienced Backend Engineer to own core microservices across our platform. You will work on call treatment orchestration, brand data, analytics, and billing within a hexagonal, event‑driven architecture.We seek 5...Read More>>.

Posted: September 24th, 2026
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Senior Full-Stack Engineer (Java, Typescript & Azure)

Company IconLegalAndGeneral
Location IconLondon

Full-time Permanent/Regular or Fixed Term Contract/Temporary: Permanent (UK and ROW) / Regular (US) L&G Business Unit: Legal & General Retail L&G sub Business Unit: CT&DO Primary Location: London, One C...Read More>>.

Posted: September 24th, 2026
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Senior Test Automation Engineer - Java, Selenium & AWS

Company IconCACI Ltd
Location IconLondon

We are seeking an experienced Senior Test Automation Engineer to join the Information Intelligence Group (IIG) of CACI UK on live public sector projects. The role focuses on automated testing within a CI/CD lifecycle, leveraging Java, Selenium Web...Read More>>.

Posted: September 24th, 2026
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Lead Frontend Engineer — Java/AWS & AI Platform

Company IconJPMorganChase
Location IconGlasgow

J.P. Morgan is looking for a Lead Full-stack Software Engineer to drive end-to-end frontend initiatives within the Research Platform. You will shape architecture, deliver resilient, scalable features, and lead cross-functional teams to raise engin...Read More>>.

Posted: September 24th, 2026
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Senior Backend Engineer - Java for Scalable Banking Platform

Company IconStarling
Location IconSouthampton

Engine by Starling is seeking Backend Software Engineers to join the Engine Platform and scale banking tech for global partners. You will work on Java-based services, build new features from scratch, and contribute to tooling used by engineers dai...Read More>>.

Posted: September 24th, 2026
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Senior Backend Engineer: Java/Spring + Cloud + Remote

Company IconCreateFuture
Location IconManchester

CreateFuture in the United Kingdom is seeking a Senior Backend Java Engineer to design, build and scale secure backend systems using Java 8+ and Spring. You’ll influence technical direction, mentor teammates and help embed AI and automation into...Read More>>.

Posted: September 24th, 2026
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Senior Backend Engineer-Java Microservices & Stock Options

Company IconARQ
Location IconLondon

ARQ is seeking a Backend Engineer to design, develop, and maintain scalable backend systems powering our fintech products. You will collaborate with a talented team to build REST APIs and microservices, focusing on reliability, security, and perfo...Read More>>.

Posted: September 25th, 2026
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Senior Backend Engineer - Java Spring & Cloud Microservices

Company IconSilverRail
Location IconLondon

SilverRail in London is seeking a Senior Software Engineer (back-end) to design, develop and maintain scalable services. You will translate business needs into robust APIs, contribute to architecture decisions, and own components from code to prod...Read More>>.

Posted: September 25th, 2026
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Senior Full-Stack Engineer (Java) – Flexible Hybrid

Company IconAreti Group | B Corp™
Location IconCheltenham

Areti Group | B Corp™ seeks an experienced Full Stack Engineer to join a live delivery team building mission-critical systems for government use. You’ll work across Java backend and React/TypeScript frontend, deployed on AWS and Azure, with a...Read More>>.

Posted: September 26th, 2026
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Mobile Backend for Frontend Engineer (Java/Swift/Kotlin)

Company IconInnova Solutions
Location IconLondon

Innova Solutions is seeking a Mobile Service Layer Engineer to join a 24 month contract on a hybrid basis in London and Burgess Hill. The role is Inside IR35 with pay up to £50 per hour via umbrella and requires strong mobile backend design and c...Read More>>.

Posted: September 26th, 2026
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Hybrid API & Microservices Engineer (Java/Spring Boot)

Company IconRaiffeisen Bank
Location IconLeeds

YBS is seeking a Software Development Engineer focused on API & Microservices. You will design, develop and test APIs and Java Spring Boot microservices to deliver value to customers.The role involves building automated pipelines, participa...Read More>>.

Posted: September 26th, 2026
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Senior Backend Engineer — Java, Fintech, Stock Options

Company IconArqfinance
Location IconLondon

ARQ is building a next-generation fintech platform in London, seeking a Senior Backend Engineer. You will design, develop, and maintain scalable backend systems using Java, Spring Boot, and microservices, collaborating with a world-class team to d...Read More>>.

Posted: September 26th, 2026
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Senior Backend Engineer - Java/Spring on AWS (Remote)

Company IconCreateFuture
Location IconCity of Edinburgh

CreateFuture is seeking a Senior Backend Java Engineer to design, build and scale backend services. You’ll influence technical direction, mentor peers and help embed AI and automation into client solutions.You’ll thrive on solving compl...Read More>>.

Posted: September 26th, 2026
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Senior Full-Stack Engineer: Java & React, FinTech

Company IconBinariks Inc.
Location Icon

Binariks is seeking a Senior Full-stack Developer (Java, Typescript) to join our team on a UK-based fintech project. You will craft backend services in Java/Spring Boot, expose gRPC/REST APIs, and build React/TypeScript screens.You’ll wor...Read More>>.

Posted: September 27th, 2026
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Senior JVM Fullstack Engineer — Java/Kotlin & React

Company IconZuehlke Engineering Vietnam LLC.
Location IconLondon

Zühlke Engineering Vietnam LLC. is seeking a Senior Fullstack Developer to join a high-performing engineering squad in London or Manchester.You will work on backend-led services using Kotlin or Java 17+, building APIs and event-driven flow...Read More>>.

Posted: August 10th, 2026
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Senior Backend Engineer (Java/Kotlin) – Cloud Microservices

Company IconFractal Analytics UK Limited
Location IconLondon

Fractal Analytics UK Limited is seeking a Senior Software Engineer to design, build, and support scalable backend services for banking and financial services.You will lead architectures, mentor engineers, and collaborate with product, secur...Read More>>.

Posted: August 21st, 2026
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Lead Data Platform Engineer: Java/Python & AI

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. in London seeks a Lead Software Engineer for Data Platform & Strategy within Corporate Risk Technology to design, build, and scale data engineering solutions. You will drive secure, scalable products and collaborate with agile...Read More>>.

Posted: September 14th, 2026
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Principal Backend Engineer (Java/Python) – DevOps Leader

Company IconNorthrop Grumman UK
Location IconLondon

Northrop Grumman UK is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure powering our services. You will lead multiple teams, deliver core solutions, and guide delivery to meet customer needs, while men...Read More>>.

Posted: September 14th, 2026
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Backend Platform Engineer – Java/AWS (Hybrid London)

Company IconMOO group
Location IconLondon

MOO, the London-based print and merchandise innovator, is hiring a Software Engineer for its Forge/Platform Team in Camden. You’ll join a small crew to enhance resilience, observability, and scalability of internal systems that power post-purcha...Read More>>.

Posted: September 14th, 2026
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Full-Stack Engineer: Java Microservices & Scalable APIs

Company IconFDJ UNITED
Location IconLondon

FDJ UNITED is seeking a Backend or Full Stack Developer/Engineer to engage in the full system life cycle, focusing on scalable, maintainable services for our customer service back offices. This role offers the opportunity to deepen technical knowl...Read More>>.

Posted: September 14th, 2026
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Senior Backend Engineer (Java/C++) - DV Cleared

Company IconExperis UK
Location IconCheltenham

Experis UK is seeking an experienced Software Developer to join our team in Cheltenham. You will design, develop, and maintain high-performance back-end software using Java and C++ in Linux environments, delivering scalable and secure solutions....Read More>>.

Posted: September 14th, 2026
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DevOps Engineer (Java) – Hybrid, Cloud & CI/CD

Company IconNetcompany Group
Location IconLondon

Netcompany Group is seeking a DevOps-focused Application Support professional in the UK, joining a multi-disciplinary team to improve software delivery, reliability and efficiency. The role combines development, DevOps and support, with on-call re...Read More>>.

Posted: September 15th, 2026
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Backend Engineer - Java & Spring Boot (Stock Options)

Company IconDolarApp
Location IconLondon

ARQ in London seeks a Backend Engineer to design, develop, and maintain scalable, secure backend systems powering fintech products. You will build REST APIs, craft microservices, and work on systems used for payments, treasury, and transactions bo...Read More>>.

Posted: September 21st, 2026
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Backend Engineer - Java Microservices for Real-Time Finance

Company IconGoldman Sachs
Location IconLondon

Goldman Sachs is seeking a backend software engineer to join our embedded or core engineering teams. You will work with Java and Spring, interacting with MongoDB and DevOps tools to deliver reliable, scalable platforms.You’ll collaborate...Read More>>.

Posted: September 21st, 2026
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RegTech Full-Stack Engineer: Java, React & AWS

Company IconJPMorgan Chase & Co.
Location IconScotland

JPMorganChase seeks a Software Engineer III for the Asset Management Global Regulatory Reporting Technology team to design, build, and support cloud-native applications on Mercury, supporting regulatory obligations across jurisdictions and assets....Read More>>.

Posted: September 21st, 2026
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Senior Full-Stack Engineer – Java Spring & Angular

Company IconBNY
Location IconLondon

BNY in London is seeking a skilled Full Stack Engineer to design and build web front-end and back-end services for a new platform that automates the full lifecycle of complex private assets. You will collaborate with product owners, analysts, and...Read More>>.

Posted: September 21st, 2026
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Real-Time Algorithmic Trading Engineer – Java (London)

Company IconBerenberg
Location IconLondon

Berenberg is seeking an Algorithmic Trading Engineer for their Innovation & Technology department in London. In this full-time role, you will design and build Java engines for algorithmic trading while contributing to high-quality, real-time tradi...Read More>>.

Posted: September 21st, 2026
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Real-Time Trading Systems Engineer (Java/AWS)

Company IconAmbition
Location IconLondon

Ambition is looking for a Software Engineer to design and build high-performance systems for live trading environments. This role involves creating scalable solutions for complex risk calculations and collaborating closely with risk managers and q...Read More>>.

Posted: September 21st, 2026
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Senior Backend Engineer (Java/AWS) + AI — Hybrid

Company IconRemotestar
Location IconLondon

Remotestar, a leading fintech company in London, is seeking an experienced backend developer with expertise in Java and Spring/Spring Boot. The ideal candidate will have over 8 years of backend development experience, strong knowledge of MongoDB,...Read More>>.

Posted: September 21st, 2026
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Backend Engineer (Java) — Build Fintech APIs & Microservices

Company Iconjobr.pro
Location IconLondon

ARQ is seeking a Backend Engineer to design, develop, and maintain scalable backend services powering our fintech products. You will build RESTful APIs and microservices, focusing on reliability, security, and performance.The role emphasize...Read More>>.

Posted: September 21st, 2026
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Hybrid Principal Backend Engineer - Java, Cloud & Fintech

Company IconOliver Bernard
Location IconLondon

Oliver Bernard partners with a fast-growing fintech to hire a Principal Backend Engineer in London on a hybrid basis. You will provide technical leadership, drive architectural decisions, and mentor senior engineers across multiple teams, shaping...Read More>>.

Posted: September 22nd, 2026
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Hybrid Camunda Full-Stack Engineer (Java/React)

Company IconCapgemini
Location IconKnutsford

Capgemini is seeking a highly skilled Camunda Developer to design and implement Camunda-based workflows and full-stack solutions. You will work across Java back-end services and React front-end interfaces, delivering scalable, well-tested applicat...Read More>>.

Posted: September 22nd, 2026
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Senior Full-Stack Engineer — Java/React, Solidity

Company IconPontoon
Location IconLondon

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive...Read More>>.

Posted: September 22nd, 2026
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Full Stack Engineer - Java/Spring | Cloud-Native

Company IconBarclays
Location IconKnutsford

Barclays is seeking a Full Stack Engineer to design, develop and maintain scalable applications across front-end and back-end technologies in Knutsford. You will collaborate with cross-functional teams to deliver high-quality software that support...Read More>>.

Posted: September 23rd, 2026
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