Backend Developer Java Spring Bootpython Jobs in London, UK

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

Integration Developer (API Specialist) Freelance AI Trainer

Mindrift is looking for skilled Integration Developers (API Specialists) to join the Tendem project () and build robust system integrations within our hybrid AI + human environment. I ...

Interim Power Platform Developer (12 month FTC)

The Value of Active Minds About JupiterJupiter is one of the UK’s leading investment management companies with just under 500 employees and £54 billion worth of assets under management (as at 31st December&n ...

: Business Developer FlexTeam Pods (Salesforce & CRM Services)

About Kompetenza - Sponsorship Available - Option to move to move to Dubai if outside of UAE Kompetenza part of the MaxAccelerate Technology Group is a Salesforce partner specializing in CRM solutions, FlexTeam Pods, and digital transformation services ...

: Business Developer FlexTeam Pods (Salesforce & CRM Services)

About Kompetenza - Sponsorship Available - Option to move to move to Dubai if outside of UAE Kompetenza part of the MaxAccelerate Technology Group is a Salesforce partner specializing in CRM solutions, FlexTeam Pods, and digital transformation services ...

Front End Developer (with Power Apps experience)

Senior Front-End Engineer   Location: Hybrid – two days per week in the MOD offices in the South East  Contract: 12-month FTC with full company benefits Clearance: Must hold active SC clearance and ...

C++ Developer (Energy) – London – £800 900/day

C++ Developer (Energy) – London – £800-950/day**There is flex on the day rate for the right candidate**We’re working with an industry leading energy client that are looking for a proficient C++ Developer for an initial 6 month contract.This role will fall inside IR35 and will requ ...

Senior Software Developer (Go) US Instant Payments

THE ROLE 📝Join Form3’s US engineering business line and contribute to the development of our US gateway products, each built around a real-time payment scheme such as FedNow or TCH RTP. Reporting to the Lead Engineer and supported by our Staff Engineers, you will play a key role in ...

Interim Power Platform Developer (12 month FTC)

The Value of Active Minds About JupiterJupiter is one of the UK’s leading investment management companies with just under 500 employees and £54 billion worth of assets under management (as at 31st December&n ...

Sr Lead Software Engineer UI Developer React

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works to enhance, ...

Quant Developer, Core Data – London or NYC

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class Python software engineers to help build on their success.Responsibilities</b ...

Python Quant Developer – Risk/Pricing Platform – London

Salary: paying up to £250k + bonusSummaryOne of the world’s largest hedge funds using innovative and cutting-edge technology, where data is fundamental to the investment process. Central Risk is a key initiative for the firm, and this Quant Developer role offers the opportunity ...

Senior Salesforce Developer London, UK Fulltime Hybrid

Job Role: Salesforce developerLocation: London, UKAbout the Job you are considering:We are seeking experienced Salesforce developerwith strong expertise in Banking domain who will overseeing the planning, execution, and successful delivery of projects ...

Senior Fullstack Enginer (Python & React)

Senior Fullstack Engineer (Python & React) 2 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Parser Senior Full Stack Software Engineer – Passenger Flow Modelling <p ...

Senior Ruby Engineer

What You’ll DoDesign and implement scalable, high-performance backend systems to power our e-commerce experience.Build and maintain interfaces that support our frontend, mobile, and third-party integrations.Be very experienced working with pull, push models f ...

Senior Ruby Engineer

What You’ll DoDesign and implement scalable, high-performance backend systems to power our e-commerce experience.Build and maintain interfaces that support our frontend, mobile, and third-party integrations.Be very experienced working with pull, push models f ...

Entry Level AI and Developer Training (Southwark)

Junior AI Developer Programme Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10 14 week online programme c ...

Entry Level AI and Developer Training (Southwark)

Junior AI Developer Programme Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10 14 week online programme c ...

Software Engineer (Mid / Senior / Staff / Principal)

Our Work The work at Electric Twin is about turning complex decision-making into usable software. Engineers build the systems that let customers move from a broad question to a structured, trustworthy outcome — combining product experience, workflow logic, backend services, and platform capabilit ...

Senior Data Engineer I Search and AI Platform

## .**Senior Data Engineer – Search and AI Platform****About the role:**The Search and AI Platform supports core products such as Scopus, ScienceDirect, and AI‐driven research solutions. As a Senior Data Engineer, you will help design, build, and run reliable data pipelines and services that support large‐scale ...

Senior Data Engineer I Search and AI Platform

Senior Data Engineer – Search and AI Platform About the role: The Search and AI Platform supports core products such as Scopus, ScienceDirect, and AI‑driven research solutions. As a Senior Data Engineer, you will help design, build, and run reliable data pipelines and services that suppor ...

Programming Language Engineer

About UsAt Verisian, we build deep tech and AI solutions that enable groundbreaking medical therapies to enter the market faster and safely. New medicines and devices are judged using all available evidence in the proper context and backed by automated analyses that validate and make d ...

Programming Language Engineer

About UsAt Verisian, we build deep tech and AI solutions that enable groundbreaking medical therapies to enter the market faster and safely. New medicines and devices are judged using all available evidence in the proper context and backed by automated analyses that validate and make d ...

Staff Engineer (Go)

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from InterQuest Group Exciting Opportunity: Staff Backend Engineer (Go) – (Fully Remote) Fully Remote | Salary + Bonus + Stocks | Flexible Hours | Unlimited Annual Leav ...

Senior Platform Engineer

About Saturn Saturn is a Series A, Y Combinator-backed startup building the AI‑native operating system for the £100B+ financial advice industry. We believe advice will always be human, and we build technology that makes human advisers extraordinary. Advisers currently lose up to 70% of their time ...

Senior Low Latency Engineer

Senior Low Latency Engineer Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying ad ...

Data Engineer

We are a frontier biology AI lab working at the intersection of AI, experimental biology, and clinical research. We generate our own data in-house, build general-purpose biological foundation models, and translate discoveries into real research and clinical impact through studies we run ourselves. ...

Lead Python Engineer

Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs ...

Senior Web Developer Tottenham Court Road, London

About UsWe are a global, data-driven digital marketing agency, with key specialism in marketing automation and customer acquisition. We are looking for a senior web developer to join our small agile team. You will be responsible for 6 websites and leading the development of our overall technology archi ...

Styling & Display Intern

Gisela Graham seeks an intern for her styling/display department, based at her elegant 350m2 showrooms. We’re internationally known for our seasonal merchandise: Christmas, Easter, Spring and Autumn, most of which we design ourselves; plus, our extensive home décor ranges. The whole range runs to about 4500 i ...

Senior Product Engineer, Full Stack Energy

Senior Product Engineer, Full Stack - Energy 70,000 to 95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operatin ...

C# Front Office Developer TOP HEDGE FUND!

C# Front Office Developer- TOP HEDGE FUND!Robert Half Limited is representing this client.This is a Permanent role with a high bonusHybrid working -Based in the city and 3 days in the office and 2 days from homeThis isn't a large PM environment, it's for developers who want ...

Lead Software Developer OutsideIR35 Wealth Manager London

Key Responsibilities:Manage, mentor, and motivate a skilled development team across a broad tech stack.Design and develop scalable, secure, and high-quality software in line with architectural standards.Uphold and enhance coding and testing standards through peer reviews and a ...

Lead Software Developer OutsideIR35 Wealth Manager London

Key Responsibilities:Manage, mentor, and motivate a skilled development team across a broad tech stack.Design and develop scalable, secure, and high-quality software in line with architectural standards.Uphold and enhance coding and testing standards through peer reviews and a ...

Full Stack Software Engineer (Platform & Cloud

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – | An exciting opportunity for a Full Stack Software Engineer to join a fast‑growing London ...

Full Stack Software Engineer (Platform & Cloud

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – | An exciting opportunity for a Full Stack Software Engineer to join a fast‑growing London ...

Full Stack Software Engineer (Platform & Cloud

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – | An exciting opportunity for a Full Stack Software Engineer to join a fast‑growing London ...

Software Engineer

About the Company The mission of LTM Company is to engineer meaningful technology solutions to help businesses and societies flourish. Our successful technology business serves over 2000 Global customers and now, we are in a process of expanding. LTM is extending its technology busine ...

Full Stack Software Engineer (Platform & Cloud

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – | An exciting opportunity for a Full Stack Softwa ...

Senior Software Engineer, Ruby

We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across ...

Manager, Forward Deployed Engineering London

About the teamOpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development.About the roleAs an FDE manager, you’ll lead FDEs through ...

Manager, Forward Deployed Engineering London

About the teamOpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development.About the roleAs an FDE manager, you’ll lead FDEs through ...

Full Stack Software Engineer

Full Stack Software Engineer London, United Kingdom Description We’re looking for a Full-Stack Software Engineer (2–4 years experience) to join our Platform Performance team and help us deliver lightning-fast, scalable experiences to millions of users around the world. In this ...

Senior Software Engineer

About The Role We are seeking a London‑based Senior Software Engineer (Node.js / TypeScript) to build and operate backend services supporting payment, checkout, and transactional workflows. You will collaborate closely with Product, Frontend, Platform, and Infrastructure teams to deliver secure, ...

Staff Back end Engineer

About the job Staff Back-end Engineer (UK) About the Opportunity: MateHR is currently seeking a highly experienced Staff Backend Engineer on behalf of one of our most ambitious clients rapidly scaling fintech startup that's reshaping global transaction services. This exciting organisati ...

Full Stack Software Engineer

Overview We're looking for a Full-Stack Software Engineer (2-4 years experience) to join our Platform Performance team and help us deliver lightning-fast, scalable experiences to millions of users around the world. In this role, you'll work across the stack—sharpening frontend speed, opti ...

Staff Back end Engineer (UK)

About the job Staff Back-end Engineer (UK) About the Opportunity MateHR is currently seeking a highly experienced Staff Backend Engineer on behalf of one of our most ambitious clients rapidly scaling fintech startup that's reshaping global transaction services. This exciting organisatio ...

Lead Fullstack Engineer

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with p ...

Full Stack Software Engineer

Full Stack Software Engineer London, United Kingdom Description We’re looking for a Full-Stack Software Engineer (2–4 years experience) to join our Platform Performance team and help us deliver lightning-fast, scalable experiences to millions of users around th ...

Lead Fullstack Engineer

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with p ...

Full Stack Software Engineer

Full Stack Software Engineer London, United Kingdom Description We’re looking for a Full-Stack Software Engineer (2–4 years experience) to join our Platform Performance team and help us deliver lightning-fast, scalable experiences to millions of users around th ...

🚀 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

    Backend Developer Java Spring Bootpython Jobs in London Job Search Guide, Trends and Insights