85,354+ 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

Java Backend Engineer — Fintech APIs & Microservices Hybrid

DolarApp is searching for a Backend Engineer to contribute to scalable backend systems that drive its innovative fintech products. The role emphasizes building REST APIs and microservices within a fast-paced environment. Ideal candidates will have strong Java expertise, a relevant Bachelor's Degree, an ...

Senior Software Engineer with Python and Java

Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially ...

Java Microservices Engineer 12 Month Contract (London)

TechNET IT Recruitment Ltd is currently supporting a major global financial services organization looking to hire multiple Mid-Level Java Developers for long-term contract assignments in London. The successful candidates will work in a modern software engineering environment, contributing to enterprise-scale ...

Staff Engineer: Cloud Native Java & DevOps Leader

Tata Consultancy Services is looking for a Staff Engineer in London, UK. The role involves building reliable software as part of a multi-disciplinary team. Candidates should possess strong backend development skills in Java 17+, coupled with a solid background in DevOps practices. In addition to techni ...

Senior Kotlin/Java Backend Engineer — FinTech Microservices

Hydrogen UK Ltd is seeking a Senior Software Engineer with strong skills in Kotlin and Java to support a major financial services programme. The ideal candidate will have proven experience in building scalable backend systems and microservices within regulated environments. This role offers hybrid work ...

DevOps Engineer — AWS, Bash & Java | Agile Ops

Richard Wheeler Associates seeks a dedicated DevOps Engineer to join their team in Newbury, United Kingdom. The role demands a comprehensive understanding of DevOps principles and expertise in various tools including AWS and Bash scripting. Ideal candidates will have experience in agile methodologies a ...

Senior Java Engineer – AI Driven Distributed Platform

Synechron is seeking a Senior Java Engineer in Greater London to design, build, and maintain complex Java and Python applications. This role involves developing AI-powered features and architecting scalable systems for critical index computation. We are looking for candidates with over 10 years of expe ...

Senior Software Engineer (Python/Java) – Life Sciences

A leading consulting firm in the United Kingdom is seeking a Senior Software Engineer with expertise in Python and Java. The ideal candidate will have 5 to 10 years of experience in developing complex applications, particularly within the Life Sciences domain. This role offers flexible remote working and a compe ...

Lead Technical Architect Java AWS Agentic AI

Lead Technical Architect Java AWS Agentic AI London, Greater London | £100k - £130k per year Lead Technical Architect (Java AWS Agentic AI) London / WFH to £130k Do you have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms? ...

Senior Java Backend Engineer: Fintech Microservices Impact

Castleisland is looking for a Backend Engineer to join our innovative fintech team in Greater London. This role involves designing and maintaining scalable backend systems that power our financial products. You'll collaborate in creating high-quality solutions focused on financial inclusion. The ideal ...

Staff Java Backend Engineer APIs & Banking Tech

Java Script Works is seeking a Staff Software Engineer specializing in Java backend development, based in Belfast, United Kingdom. The ideal candidate must have expertise in Core Java, JEE technologies, and API Development, with knowledge in Banking or similar sectors. This full-time role offers a comp ...

Software Engineer Java/Python for Trading Tech

Aspect Capital, located in London, is seeking a Software Engineer to join their Software Development team. The role involves developing features on various systems using Java, Python, and MATLAB within a collaborative culture aimed at solving business problems. Applicants should have 3-5 years of exper ...

Senior Java Automation Engineer — FX eTrading Backend

Citi is looking for a Senior Automation Engineer to join their Tech team in Greater London. This role involves owning the backend automation capability within the FX eTrading technology stack, ensuring quality delivery for critical applications. Candidates will need significant experience in backend test auto ...

Automation QA Engineer AWS, Java Springboot, CI

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Requirements Java Java Springboot JEST (good to have) TypeScript (good to have) AWS services kno ...

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 ...

Java Software Engineer – Cloud & OpenShift (12m Contract)

Advanced Resource Managers Limited is hiring a Software Engineer for a 12-month contract. The role involves developing high-quality and maintainable code using Java and actively contributing to Agile methodologies. The ideal candidate will possess strong experience in Java, cloud services, and unit tes ...

Java Full Stack Engineer — Hybrid, Growth & Learning

Netcompany, located in Greater London, is looking for an experienced IT consultant specializing in Java and full-stack development to join their team. This role offers a hybrid working model along with opportunities for hands-on coding and project management. The ideal candidate will have at least 2 ye ...

Lead Java Engineer — Ultra Low Latency Systems

Orbis Group is seeking a Technical Lead - Low Latency Java Engineer based in London. You will join a specialized engineering team responsible for constructing high-performance exchange systems from scratch. This is a unique opportunity to design and optimize systems with performance levels measured in ...

Technical Lead Low Latency Java Engineer Greenfield

Technical Lead - Low Latency Java Engineer - Greenfield London | 4 Days Onsite We're partnered with a technology-driven trading and market infrastructure business building the next generation of high-performance exchange systems. This is an opportunity to join a small, highly spec ...

VP Tech Lead: Equities Algo Trading (Java)

Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 04/02/2025, ...

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 ...

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 ...

Senior Backend Engineer (Java) — Hybrid Platform Lead

Starling Bank is looking for Backend Software Engineers to enhance the Engine Platform, which powers innovative banking solutions globally. The role entails contributing to product development, leading projects, and fostering a culture of collaboration and learning. Ideal candidates will be engaged and ...

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 ...

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 ...

Strategic Enterprise Architect: Java J2EE & Cloud (BFSI)

A leading technology firm in Greater London is seeking an experienced Enterprise Architect (Java J2EE) for a contract role in the BFSI domain. Responsibilities include driving architectural discussions, leading application modernization, and designing cloud solutions on Microsoft Azure. Ideal candidates will hav ...

Lead Front Office Java & Derivatives Platform Team

A leading recruitment firm is seeking a Senior Java Development Manager to lead a Front Office Derivatives IT team in London. This permanent, hybrid role requires extensive Java experience and strong leadership skills to manage a team of developers. You will work closely with front office stakeholders to ensure ...

Remote First Senior Backend Engineer — Java & Serverless

A global educational technology firm located in Manchester is seeking a Senior Backend Engineer with extensive experience in backend development, especially in Java and serverless technologies. In this role, you will design scalable backend services, develop RESTful APIs, and collaborate with cross-functional te ...

Lead Engineer, Risk Technology — High Performance Java

CoinDesk is seeking an experienced Java backend engineer to join the Risk Engineering team in Greater London. The ideal candidate will have over 10 years of Java experience, strong ownership skills, and the ability to thrive in dynamic environments. You will design scalable JVM services and collaborate with c ...

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 ...

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. ...

🚀 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