19,271+ Java Developer Java React Springboot Jobs in London, UK — Local Employers Hiring June 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

C# Engineer – High Performance Trading Systems

C# Engineer – Quantitative Trading Firm Our client is a dynamic quantitative trading firm that is seeking a C# Engineer to join their team. As a C# Engineer, you will be responsible for designing, developing, and implementing high-performance trading systems that utilize cutting-edge technology to d ...

Design Manager

Design Manager REF: DM-MC-01 Location: Central London Salary: 55-65K Professional & Technical I am currently recruiting a Design Manager for a busy Main Contractor who has recent ...

Design Manager

Design Manager REF: DM-MC-01 Location: Central London Salary: 55-65K Professional & Technical I am currently recruiting a Design Manager for a busy Main Contractor who has recent ...

Staff Platform Engineer, UK

We’re looking for a curious, rigorous, problem-hungry platform engineer (who codes!) to carry the ball as we bring Ashby to the big leagues. Ashby builds software that lets talent teams build an efficient, delightful, respectful hiring process. Similarly, you’re an engineer who wants to build a “paved road ...

Print Estimator

Job Title: Print Estimator Salary: £To Attract The Best Location: Greater London Reference: J89289 Contact: Telephone: 0207 838 9695 Categories: , , We have the opportunity for an estimator to take on a new role, joining a rapidly expandi ...

Print Estimator

Job Title: Print Estimator Salary: £To Attract The Best Location: Greater London Reference: J89289 Contact: Telephone: 0207 838 9695 Categories: , , We have the opportunity for an estimator to take on a new role, joining a rapidly expandi ...

General Manager Energy

Our client, a leading OEM & Project developer within the Renewable Energy space, is looking for a General Manager to head up their UK operations. Ideal candidates will have: Extensive experience in Country Director/General Manager or Managing Director positions Strong backg ...

Product Engineer

Overview We are a health tech startup building some unbelievably cool stuff in a complex domain with Phoenix/LiveView and a bunch of other technologies. We are looking for a person with strong fundamental software development skills such as automated testing, refactoring code smells and a sound un ...

Senior DevSecOps Engineer

Overview hackajob is collaborating with Holland & Barrett to connect them with exceptional professionals for this role. We're building a secure, cloud-native platform that underpins how software is delivered across the organisation. Following a major digital transformation, our platform enables te ...

Senior Cloud Security & DevOps Engineer

Overview hackajob is collaborating with Holland & Barrett to connect them with exceptional professionals for this role. We're building a secure, cloud-native platform that underpins how software is delivered across the organisation. Following a major digital transformation, our platform enables te ...

Lead Software Engineer Platform

Lead Software Engineer - Platform Location: London (Hybrid – 2 days per week in our Spitalfields office) Team: Engineering About Trint Trint turns audio and video into searchable, editable text. Our customers - major broadcasters, news agencies, and media ...

Software Engineer – ML Data Platform

Employment Type: Full-time and Permanent Remuneration: £70–90k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists of Cambridge g ...

Senior ML Software Developer (Brahma AI A DNEG Dedicated Unit of Brahma)

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Description Position at DNEG Senior ML Software Developer ML Technology The ML Technology department at Brahma DNEG-Dedicated Unit (Brahma DDU) explores, tests, and ...

Senior/Staff Site Reliability Engineer

About Engineering At Fonoa Engineering is central to how we build the business. We focus on solving real customer problems , not just shipping features. We work in small, high-trust teams , with full ownership across the lifecycle, from design to production and beyond. </b ...

Vice President, Client Platforms Web Architect

Over the last 20 years, Ares’ success has been driven by our people and our culture. Today, our team is guided by our core values – Collaborative, Responsible, Entrepreneurial, Self-Aware, Trustworthy – and our purpose to be a catalyst for shared prosperity and a better future. Through our recruitment, car ...

Principal Full Stack Engineer (Contract)

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market domi ...

Principal Full Stack Engineer, Contract

Who Are We?Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing m ...

Principal Front End Engineer

About UsSolirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our con ...

Principal Front End Engineer

About UsSolirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our con ...

Principal Full Stack Engineer, Contract

Who Are We?Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing m ...

Principal Engineer (.NET & Azure Fully Remote) in London

Principal Engineer (.NET & Azure) £100-120K + bonus + benefits Fully remote – EU & UK Our client is a scale up payments platform with a fantastic founding team. They are keen to hire an outstanding Principal Engineer to join the technical team. This role is full ...

Senior Application Engineer

Company Description Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 skilled employees and +60 nationalities. We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem ...

Senior AI Software Engineer, Gaming & Coding Agent

Tencent Overseas IT has the mission to empower Tencent’s rapid global growth with future ready, global IT platforms, applications and services. We are chartered to lead the Overseas IT strategy, architecture, roadmap and execution. Satisfying our internal/external customers and becoming a world class globa ...

Quantitative Trader – HFT Futures

Quantitative Trader – High-Frequency Trading - Futures A leading trading firm is seeking a High Frequency Futures Trader to join their hugely successful desk. You will have the opportunity to leverage advanced technology and pricing models to maximize profit. <e ...

Data Support Specialist

Octus is a leading global provider of credit intelligence, data, and analytics. Since 2013, tens of thousands of professionals across hedge fund, investment banking, management consulting, and law firm verticals have come to rely on Octus to make better, faster, and more confident decisions in pace with th ...

Product Leader (Agent Platform)

Overview At JetBrains, we’re building an AI-native platform for software development that connects developer workflows, team-level collaboration, and organizational control into a single coherent system. This platform will serve as the execution and governance layer for AI-driven development. It ...

Senior Product Designer: B2B/B2C, Discovery & Lead UX

Role Overview As a Senior Product Designer, you will play a key role across two significant workstreams, shaping both customer‑facing and internal experiences that support an evolving aggregation and distribution strategy. You will lead discovery, influence product direction, and bring strong desi ...

Senior UX Designer

Role Overview As a Senior Product Designer, you will play a key role across two significant workstreams, shaping both customer‑facing and internal experiences that support an evolving aggregation and distribution strategy. You will lead discovery, influence product direction, and bring strong desi ...

Software Engineer II Salesforce

At CDW, we make it happen, together. Trust, connection, and commitment are at the heart of how we work together to deliver for our customers. It’s why we’re coworkers, not just employees. Coworkers who genuinely believe in supporting our customers and one another. We collectively forge our path forward wit ...

AI Deployment Engineer | Codex

About the teamThe Codex Deployment Engineering team helps customers adopt OpenAI's coding tools throughout their software development lifecycle. We act as trusted technical partners, guiding engineering teams as they integrate Codex into their projects and workflows. Our customers span digital-n ...

AI Deployment Engineer | Codex

About the teamThe Codex Deployment Engineering team helps customers adopt OpenAI's coding tools throughout their software development lifecycle. We act as trusted technical partners, guiding engineering teams as they integrate Codex into their projects and workflows. Our customers span digital-n ...

Director, Product Manager, SDK

We’re looking for a Director, Product Manager, SDK to join our growing Product team, based in London. You will own the product strategy and execution for the Chartboost SDK, one of the most widely integrated mobile ad SDKs in the industry. You will work closely with Engineering, Publisher Business, and C ...

Director, Product Manager, SDK

We’re looking for a Director, Product Manager, SDK to join our growing Product team, based in London. You will own the product strategy and execution for the Chartboost SDK, one of the most widely integrated mobile ad SDKs in the industry. You will work closely with Engineering, Publisher Business, and C ...

Senior Software Engineer I

We're putting together a talented team to build the #1 training platform for RunnersWe help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your fir ...

Lead Software Engineer Platform Chase UK

Job Description We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase, to revolutionise mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quic ...

Lead Cloud Observability Engineer — OpenTelemetry

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase, to revolutionise mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the Uni ...

Security Engineer

**Privacy Information**We and our partners are using tracking technologies to process personal data in order to improve your experience. You may always exercise your consumer right to opt-out. For detailed information about personal information we collect and third parties having access to it, please select ‘Mor ...

Senior Solutions Engineer, EMEA

Every day, the world gets more digital thanks to tens of millions of developers building the future faster than ever. But with exponential growth comes exponential risk, as outnumbered security teams struggle to secure mountains of code. This is where Snyk (pronounced “sneak”) comes in. Snyk is a developer se ...

Senior Solutions Engineer, EMEA

Every day, the world gets more digital thanks to tens of millions of developers building the future faster than ever. But with exponential growth comes exponential risk, as outnumbered security teams struggle to secure mountains of code. This is where Snyk (pronounced “sneak”) comes in. Snyk is a developer se ...

SW Developer categorie protette L.68/99 (anche art. 18) Full Remote

Develer 21 April 2025 Remote --- Python Software Development Embedded Systems C++ Web Development We are looking for new collaborators to join our software development teams, belonging to protected categories (L. 68/99), in three areas: Embedded Linux and firmware Des ...

Senior Software Developer, Realtime (Brahma AI A DNEG Dedicated Unit of Brahma)

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Position at DNEG Senior Software Developer, Realtime The Technology department at Brahma DDU is responsible for creating and supporting the infrastructure that powers DNEG's multi-s ...

Software Developer (Risk/C#) – Tier 1 Systematic Hedge Fund – Excellent Compensation + Benefits

I’m working with a leading systematic hedge fund in New York that is seeking an elite C# Developer to join its Risk Development team in London. This is a front‑footed technical role in one of the most business‑critical engineering groups in the firm – focused on designing and scaling cutting ...

Senior C# .NET Front Office Developer | Pricing & Risk Analytics | £150k | Front Office

Location: London (Central) Working Pattern: Hybrid (3 Days Office / 2 Days Remote) Sector: Global Financial Services – High-Performance Analytics Salary: Up to £150,000 + Bonus + Benefits The Mission: Architecting High-Performance Risk Engine ...

Senior Front Office Developer | Commodities & Energy Trading | C# .NET | Azure | 120k | London [...]

We are looking for a Senior Front Office Developer to join a high-performing trading technology team in London, focused on commodities and energy markets . This is a hands‑on role building next-generation front office applications used by traders and quants in real‑time trading, pric ...

Quantitative Developer | Global Electronic Trading Firm | London Engineering at the Frontier of[...]

Quantitative Developer | Global Electronic Trading Firm | London Engineering at the Frontier of Electronic Markets The Role You will work on the production systems that make markets globally. This is a quantitative engineering role operating at the intersection of: Real-ti ...

Software Developer, Creature Performance (Brahma AI A DNEG Dedicated Unit of Brahma)

Description Position at DNEG As a Software Developer in the Creature Performance team, you will participate in the development of technologies that will deliver new and better deformers, kinematics, solvers and frameworks for rigging, Creatures FX, crowds and animation. You will work with yo ...

Software Developer£28k £45k depending on experienceClerkenwell, London, and/or home working

We're looking for a keen and talented software developer who wants to play a full and fulfilling role in all aspects of our work. You will have the opportunity to work in configuration, installation and delivery, data migration, core development, UI and UX, support, specification and design, and whatev ...

Senior Software Developer, Realtime (Brahma AI A DNEG Dedicated Unit of Brahma)

Description Position at DNEG Senior Software Developer, RealtimeThe Technology department at Brahma DDU is responsible for creating and supporting the infrastructure that powers DNEG’s multi-site, global VFX and Feature Animation studio. With thousands of artists producing tens of tho ...

Software Developer£28k £45k depending on experienceClerkenwell, London, and/or home working

We're looking for a keen and talented software developer who wants to play a full and fulfilling role in all aspects of our work. You will have the opportunity to work in configuration, installation and delivery, data migration, core development, UI and UX, support, specification and design, and whatev ...

🚀 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

    Java Developer Java React Springboot Jobs in London Job Search Guide, Trends and Insights