91,373+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Software Engineer – Java, Python, Cloud, FinTech Focus

Aspect Capital, based in London, is seeking an experienced Software Engineer to enhance their Software Development team. The role focuses on utilizing technology to address business challenges in a fast-paced environment. The ideal candidate will have 4-6 years of software engineering experience, with ...

Senior Backend Java IAM Engineer – Identity Platform

Peopleworks is looking for a Software Engineer to join their Identity Management Services team in Essex. This role involves working on the core platform that powers identity infrastructure for a major banking and finance branch of a global manufacturing leader. The successful candidate will ensure the ...

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 ...

Core Trading Java Engineer Low Latency Systems

IG KnowHow is seeking a Software Engineer for their Core Trading team to build low-latency, high-throughput trading systems. The ideal candidate will possess strong Java skills and contribute to the performance of financial products. This role emphasizes collaboration within a dynamic team and follows ...

VP Java Engineer — FX Markets Tech Leader

Citi is seeking an Applications Development Lead in Greater London to manage development teams focused on innovative projects in the FX Technology group. This role involves overseeing team performance and stakeholder coordination while utilizing your extensive Java development experience to solve complex busi ...

Senior Data Platform Engineer – Java/Micronaut (Hybrid)

Marks & Spencer Plc is seeking a Senior Software Engineer to enhance their M&S Foods Product team. This role involves building and evolving reliable data services, shaping the technical direction of food data platforms, and ensuring technical excellence within an inclusive culture. Ideal candidates hav ...

Senior Java Backend Engineer Hybrid Payments Microservices

Getnet in Milton Keynes is looking for a skilled Software Engineer to develop high-quality Java applications. The candidate will design microservices, collaborate with cross-functional teams, and ensure the reliability and scalability of software solutions. With a focus on innovation, the role offers t ...

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 – ...

Syclo Agentry/SMP Consultant: Migration & Java London

Adroitpeople is seeking a Syclo Agentry/SMP Consultant in London, UK, for a full-time contract role. The ideal candidate will have 7 to 11 years of hands-on Agentry experience, including at least one full migration project. The consultant will be responsible for application development with SycloAgentr ...

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 ...

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 ...

Engineering Manager: Java AI for FinTech (Hybrid)

A leading technology recruitment firm in the UK is seeking an Engineering Manager (Java AI) to lead a team of AI Engineers. This role requires strong technical leadership skills and a solid background in software engineering, particularly in Java and modern architectures. The successful candidate will work in a ...

Principal Java Engineer Retail Payments & Cloud (Azure)

Mindera is seeking a Principal Java Engineer to join their team in Greater London. This six-month contract outside IR35 requires strong experience in Java 17+, as well as leadership in technical challenges and solutions. Your role will include crafting secure, high-volume payment services, mentoring en ...

Senior Java Backend Engineer — Build Scalable APIs

A leading technology company in Southampton is seeking a Senior Backend Engineer to evolve its Unified Profile service. The successful candidate will design and build robust, API-driven services, ensuring a seamless experience across multiple products. With an attractive salary range of £75,000-90,000, the role ...

Cloud Software Engineer (SDE) — Java/C/C++

Amazon is seeking a full-time Software Development Engineer for their Ring Cloud division in Cambridge, United Kingdom. The successful candidate will have professional software development experience with modern languages like Java and C, demonstrating strong object-oriented design skills. Preferred qualificatio ...

Senior Java Engineer AWS, REST & Microservices (Hybrid)

Salt Digital Recruitment is seeking a Senior Java Engineer to join a hybrid team in Greater London. The role demands expertise in Java and AWS, with a daily rate of £500 to £700 depending on experience. The ideal candidate will contribute to cloud-native architecture and API development. Key responsibi ...

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 Engineer Scale High Performance Backend

InfoSum, a leader in data collaboration, is seeking a Senior Java Engineer to design and maintain high-performance backend systems for their innovative platform. This role demands expertise in Java and experience with distributed systems, focusing on scalability and security. Located in Basingstoke, th ...

Real Time Java Engineer for Liquidity & Kafka

JPMorgan Chase & Co. is looking for a Software Engineer II in Bournemouth, United Kingdom, to enhance the Global Liquidity and Cash Management Technology team. The ideal candidate will have formal Java training, experience with Java 17+, and modern testing tools, along with strong interpersonal skills. Responsib ...

Java Software Engineer — Core Trading (Low Latency)

IG India is searching for a Software Engineer: Core Trading to join their dynamic engineering team. You will utilize advanced Java programming and engineering practices to develop and enhance their core trading systems. The ideal candidate has over 4 years of experience in Java development, strong prob ...

Senior Java Backend Engineer — Global Fintech Microservices

ARQ, a rapidly growing fintech in Greater London, is seeking a Backend Engineer to design and maintain scalable backend systems. This role involves greenfield development and building REST APIs, leveraging a tech stack primarily based on Java and Postgres. The ideal candidate will have a bachelor's deg ...

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 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 ...

Azure Software Engineer (C#/Java) – Hybrid London

A technology consultancy firm is seeking a Software Engineer highly proficient in C# or Java and Azure. The role requires a bachelor's degree and 4-6 years of experience in software development, particularly in Azure integration and API management. The candidate should excel in problem-solving and communication, ...

Senior Java Engineer Low Latency Trading Platform

Bank of America is seeking a Software Engineer III in Bromley, focusing on Electronic Trading Technology. This role involves delivering key functional changes, collaborating with quantitative traders, and participating in the full development lifecycle. Candidates should have excellent communication skills and a ...

Senior Java/Python Engineer Build Scalable Systems

A leading financial institution in Glasgow seeks Experienced Software Engineers to join their Global Technology team. In this role, you will design and deliver innovative technology products while working within an agile team to enhance banking solutions. Candidates should possess strong Java or Python skills, e ...

Senior Backend Engineer Cloud Native Java & Microservices

JPMorgan Chase & Co. is seeking a Lead Software Engineer within the International Consumer Bank to deliver an outstanding banking experience. You will work collaboratively in a diverse team, focusing on cloud-native solutions and enhancing customer journeys. The ideal candidate will have hands-on exper ...

Senior Cloud Native Backend Engineer (Java/Kotlin)

慨正橡扯 is seeking a talented back-end engineer in Greater London to craft cutting-edge cloud-native applications. You will design, implement, and support solutions using Java/Kotlin, focusing on customer needs and agile methodologies. The ideal candidate demonstrates advanced skills in Java and has exper ...

Graduate Software Engineer – Java, Python & Scala (London)

WorksHub is looking for a Graduate Software Engineer located in London, United Kingdom. This full-time role offers a competitive compensation package. Candidates should have a degree in Computer Science or Information Technology, proficiency in programming languages like Python and Java, and a solid understandin ...

Senior Java Engineer Hybrid Global Finance Tech

Citigroup Inc. in Belfast is seeking a Software Engineer (Java) to join the Global Fixed Income Trade Processing Team. You will engineer innovative solutions within a team, contributing to the future of global finance. The ideal candidate will have strong experience in developing large, complex softwar ...

Lead Java Engineer: Low Latency Trading Systems

Grid Dynamics is seeking Senior and Principal Java Developers to work on a high-performance trading project for a major financial institution. Candidates should have deep knowledge of Java and the JVM, strong experience with low-latency systems, and familiarity with microservice architectures. You’ll be part of ...

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 ...

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/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 ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Junior Java Fullstack Developer Spring Boot React Jobs in United Kingdom Job Search Guide, Trends and Insights