91,571+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

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Software Engineer with C# Java and Azure

Software Engineer with C# or Java and Azure Must have a bachelor's degree in computer science, software engineering, or a related field is required. Must have at least 4 to 6 years of progressively complex experience in a directly related area, during which both professional and technical c ...

Senior Lead Backend Engineer — Java/Kotlin (Fintech)

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 your potential. Our team is key to our success. We’re people-first. ...

Senior Java Backend Engineer – Payments at Scale

慨正橡扯 is looking for a Senior Software Engineer to join their payment services team. This role involves translating requirements into tasks, producing test-driven features, and mentoring others while working with various payment methods securely. With a focus on innovation, candidates should have over 5 ...

Senior Java Platform Lead – Hybrid & Scalable Microservices

A leading streaming technology company is seeking a Senior Software Engineer to join their team in Greater Manchester. This role involves designing and developing scalable web applications and collaborating with cross-functional teams. Candidates should have extensive experience in Java and Python, a background ...

Staff Backend Engineer – Java, Cloud & Tech Strategy

Capital One (Europe) plc is seeking a Staff Software Engineer - Back End in London. In this role, you'll influence the technical direction, lead multiple teams, and mentor engineers. You will work in a hybrid model, collaborating in the office three days a week. Ideal candidates have deep expertise in Java and s ...

Senior Java Automation Engineer – FX eTrading Backend

Citigroup Inc. in Greater London is seeking a Senior Automation Engineer to oversee backend automation capabilities within the FX eTrading technology stack. This role requires significant experience in test automation and a strong Java coding background. The successful candidate will drive automation strategy ...

Senior Java/AWS Cloud Engineer Remote & Flexible

A global engineering firm based in Cheltenham is seeking an experienced Software Engineer to join their Technology Solutions team. The ideal candidate will have senior-level experience in Java and AWS, with expertise in full lifecycle development including modern front-end frameworks. This role offers a competit ...

Senior Java Architect for Equity Finance Platform

hackajob is looking for an Equity Finance - Senior Dev / Architect based in London. This role involves hands-on leadership in shaping the architecture for Prime Brokerage and Capital Markets platforms, focusing on design and building of scalable trading systems using Java and Kafka. The successful cand ...

Hybrid Automation Tester – SaaS, Java & Selenium Expert

A leading global technology firm is seeking an Automation Tester in Newcastle upon Tyne. The role requires strong automation testing skills, particularly with SaaS software, and the ability to work collaboratively in an Agile environment. You will enjoy a competitive salary along with a comprehensive benefits pa ...

Java Backend Engineer – Scalable APIs on Azure

JACOBS in Bristol is seeking a Java Software Engineer to design and deliver innovative software solutions across various sectors including transportation and government. This full-time, permanent position offers flexible working arrangements and emphasizes work-life balance. The ideal candidate will ha ...

Lead App Engineer Java, Python, Angular & Microservices

Job Role: Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) Location: Manchester, UK About the Job you are considering: We are seeking experienced Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) </st ...

Senior Software Engineer, Java for Investments Platform

A global technology company in the UK is seeking a Product Manager to develop innovative financial solutions. You will define and shape the Wise Assets product, focusing on user experience and data-driven decisions. The role requires strong project coordination skills and experience in web applications developme ...

Senior Java/Kotlin Backend Engineer FinTech (Hybrid)

Oliver Bernard is looking for Senior Java/Kotlin Engineers to join their growing fintech team in London. This role involves designing and building high-performance backend services, working with distributed systems, and utilizing modern tooling. Ideal candidates will have strong commercial experience w ...

Java SDE II Cloud, CI/CD + Leadership

Tesco UK is hiring an SDE2 to join their team in Welwyn Garden City. In this role, you will develop high-quality software solutions using Java, advocate CI/CD best practices, and mentor fellow engineers. This position is designed for career and technical growth, preparing you for advancement to SDE3. T ...

Senior AI Backend Engineer — Java/Kotlin + LLM

Experis Manpower Group busca un desarrollador backend especializado en AI para unirse a un equipo en el Reino Unido. La función requiere al menos 5 años de experiencia en desarrollo backend con JAVA, así como en la creación de API e integración con servicios de IA y modelos de lenguaje grande (LLM). El ...

Java Cloud Software Engineer – Agile, DevSecOps Focus

Advanced Resource Managers Ltd is seeking a Software Engineer for a 12-month contract based in either Newcastle or Guildford. The role involves developing high-quality, scalable Java code and contributing to Agile ceremonies. Candidates should have experience in cloud services, unit testing, and DevSecOps pra ...

Senior Backend Architect Cloud Native SaaS (Java)

LinuxRecruit is looking for an engineer to redefine the market by crafting features in a cloud-native environment. You will design and build distributed services and APIs while tackling complex engineering challenges and working with large datasets. The role requires strong proficiency in the Java ecos ...

Senior Java Engineer — Fulfillment Platform & APIs (Hybrid)

Tesco in Welwyn Garden City is seeking a Full-Time Software Engineer to build their new Fulfilment platform. The role involves designing applications, enhancing system efficiency, and maintaining coding standards. The candidate should have experience in Java development, agile methodologies, and ideall ...

Senior Java Lead for Equities Algo Trading

JPMorgan Chase is seeking a Lead Software Engineer to join their Equities Trading Technology Organization in London. The role involves designing and developing algorithmic trading strategies and a state-of-the-art execution platform. Candidates should have strong Java expertise, experience with low latency sy ...

Java Software Engineer (Hybrid) Build Scalable Solutions

Causeway Technologies in Tees Valley is looking for a Software Engineer to enhance software quality through automated and manual tests. You will work in a hybrid environment contributing to software that impacts thousands of lives. The ideal candidate will have experience in Java, MySQL, and Agile meth ...

Remote Java Automation Tester — CI & Maven Expert

BAE Systems is seeking an Automation Tester to work from home. The ideal candidate will have a strong desire to resolve technical issues and experience in writing quality object-oriented code using Java. Knowledge in build automation systems like Ant and Maven, as well as version control tools such as ...

Senior Java Backend Engineer – Pricing API (London)

Salt is seeking a Senior Java Software Engineer in Greater London for a 6-month stint focused on designing and scaling a high-performance pricing API. This role involves tackling engineering challenges and contributing to a solution that serves over 28 million UK customers weekly. The ideal candidate w ...

Public Sector Java Architect Hybrid Cloud Leader

A leading technology firm is seeking an IT Architect to design and implement hybrid cloud application modernization projects for Public Sector clients in the UK. The role involves providing technical leadership for cloud migrations, building strong client relationships, and delivering tailored innovative solutio ...

Documentum Java Solution Architect – DV Cleared (Onsite)

Experis is seeking a Documentum Java Solution Architect for a role in Basingstoke, requiring 5 days onsite. The successful candidate will join a SAFE Agile team, responsible for developing high-quality Java solutions and supporting application maintenance. Candidates must have at least 3 years of exper ...

Backend Engineer (Golang/Java) – Hybrid Cloud Platform

A Cloud Security Platform provider based in Belfast is seeking a Backend Engineer with experience in Golang and Java to manage short-life projects from design to deployment. You'll collaborate with other teams, conduct performance analyses, and focus on cloud platforms like AWS and GCP. This hybrid role requires ...

Senior Java Tech Lead: Cloud Microservices & FinTech

A leading financial institution in London is seeking a Senior Lead Software Engineer to deliver innovative cloud-native solutions. The ideal candidate will have significant experience in Java, be proficient with microservice architecture, and thrive in an agile environment. You'll be contributing to diverse proj ...

Java Tech Lead: Architect, Mentor & Scalable Systems

Fruition Group is seeking a Java Technical Lead in London. This hybrid position involves technical ownership of projects, leading engineering teams, and delivering robust, scalable solutions. Your responsibilities will include designing Java systems across client projects and mentoring engineers. The r ...

Java Backend Engineer — Cloud Native & Distributed Systems

VanRath in Dundonald is seeking a Backend Software Engineer to join their established engineering team. You will be involved in developing backend systems and contributing to platform re-engineering initiatives. The ideal candidate will have a Bachelor's degree, 3+ years of Java experience, and strong ...

Java SDE II: Design, Deliver & Elevate Systems

Limelight Health is seeking a Software Development Engineer II - Java based in Greater London. This mid-level role focuses on implementing and delivering software solutions using Java and cloud technologies. The ideal candidate will mentor other engineers and ensure high-quality standards in development. ...

Senior Architect Java & AWS, Agentic AI Modernisation

Client Server is seeking a Lead Technical Architect (Java AWS Agentic AI) in London. In this hybrid role, you'll work three days in the office and have flexibility to work from home. You'll architect and lead the modernization of Core Banking platforms, collaborating with Teams across the business. The ...

Lead Java Engineer: FX Payments & Global Transactions

United States Digital Space LLC is seeking a Lead Software Engineer to shape the future of payments technology. In this pivotal role, you will lead technical initiatives, foster innovation, and drive solutions that meet business objectives. You will work closely with cross-functional teams to develop s ...

Lead Cloud AI/ML Engineer (Java & Python)

JPMorgan Chase & Co. is seeking a skilled professional to design and implement cloud-based applications. Responsibilities include collaborating with engineering teams and optimizing applications for performance and security. The ideal candidate possesses strong skills in cloud development, particularly AWS, a ...

Senior Java Full Stack Engineer & Transformation Consultant

United States Digital Space LLC is looking for a Java Full Stack Engineer to drive digital transformation initiatives. The role involves collaborating with clients to create innovative digital solutions with a clear focus on business value. Applicants should hold active SC Clearance and possess over 5 years o ...

Lead Software Engineer Backend Engineering Java/Kotlin

Lead Software Engineer - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 01/14/2025, 08:19 AM Locatio ...

Senior Java Engineer for Options Algo Trading

JPMorgan Chase & Co. is seeking a Lead Software Engineer for its Options Algorithmic Trading team in Greater London. You will design and optimize trading engines focused on options, collaborating with diverse teams to implement scalable algorithms. The ideal candidate has extensive Java experience, adv ...

Software Engineer: Scalable Java Apps (Flexible Hours)

Tracsis in Greater London is seeking a Software Developer to join their forward-thinking engineering team focused on delivering impactful technology. You will design and build high-quality software solutions that support critical systems and services. Your role involves taking ownership of features, co ...

Senior Lead Java Backend Engineer Cloud Microservices

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

Staff Java Engineer — Lead Scalable, Observed Systems

慨正橡扯 in Greater London seeks a skilled software engineer to join the M&S Software Engineering team, where you will create robust solutions for logistics in a fast-paced environment. With a focus on ethical values and innovation, you will help in redefining the business into a digital-first organization. < ...

Senior Backend Engineer Cloud Native Microservices (Java)

Software Engineer III - Back-end Engineer - Chase UK Location: LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 06/05/2025, 10:36 Locations 25 B ...

Software Engineer III Backend Engineering Java/Kotlin

Software Engineer III - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Description 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 – ...

Java Software Engineer — Real Time Trading Platform

Durlston Partners LLP is seeking a Java Software Engineer to join their London office, focusing on proprietary trading and execution platforms. This hands-on role offers real ownership from day one, working with algorithmic execution and systematic investing for institutional clients globally. The idea ...

Software Engineering Manager | Java, AWS & AI (Hybrid)

A recruitment agency is seeking a Software Engineering Manager in the UK to oversee a dynamic team within a growing SaaS company. You will be responsible for guiding technical strategies and managing up to 15 engineers while remaining hands-on with development tasks. The ideal candidate has 8+ years of experienc ...

Client Facing Solutions Architect: RPG/Java, Figaro

Role Description We are looking for a Solutions Architect to consult with clients, ensuring high‑quality designs that are practical, deliverable and maintain the integrity of FNZ’s products and services, helping clients meet their business objectives. Responsibilities Cont ...

eDV Cleared Java Software Engineer — Outside IR35

IO Associates is seeking experienced DV Cleared Java Software Engineers to join a long-term contract opportunity outside IR35. This role involves working on complex systems within the National Security sector in London, Cheltenham, or Manchester. The ideal candidates must possess active eDV clearance a ...

Senior Lead Software Engineer Python & Java (Markets)

JPMorganChase is seeking a Lead Software Engineer to enhance their Markets Technology team. In this role, you will design and implement secure technology solutions, ensuring the highest standards of quality. You'll collaborate with various functions to deliver trusted products and enhance application performa ...

Java & Clojure Engineer for Fintech Data Platform

S&P Global is looking for a Java/Clojure Engineer to join their OTC Derivatives Data team in Greater London. You will develop new software and enhance existing applications, collaborating closely with product specialists. The role requires a depth of knowledge in Java and a willingness to learn Clojure. < ...

Java Engineer AI Driven Supply Chain & Systems

Urbanic, located in Greater London, is seeking a passionate Java Engineer to design and develop next-generation Supply Chain Management systems. In this role, you will troubleshoot production issues and collaborate closely with the Product, Operations, and Business teams. The ideal candidate has over 3 ...

Full Stack java Cloud Serverless Engineer (AWS)

Full-Stack java Cloud Serverless Engineer (AWS) We dont just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engineer (AWS) who thrives at the intersection of slick frontend experiences, robust backend logic, and cloud-native AWS ...

Full Stack java Cloud Serverless Engineer (AWS)

Full-Stack java Cloud Serverless Engineer (AWS) We dont just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engineer (AWS) who thrives at the intersection of slick frontend experiences, robust backend logic, and cloud-native AWS ...

Java Software Engineer — Cloud Native Microservices (Hybrid)

interactive investor is seeking a Mid-Level Java Software Engineer to design and support scalable applications. The role is hybrid, requiring 3 days a week in Manchester and 2 days remote. The ideal candidate will have experience in Java development, microservices, AWS, and a passion for quality and testing. ...

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