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

Junior Technical Consultant ( Java or C# ) Learn ETRM

Junior Technical Consultant (Java / C#) – Energy/Commodities Trading | London Kick-start your career in one of the most specialised and high-value areas of technology and business: Energy & Commodities Trading and Risk Management. As a Junior Technical Consultant, you’ll undertake ...

Quantitative Developer Python C++ MFT

Quantitative Developer (Python C++ MFT) London / WFH to £175k+Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant bonus earning potential.As a Quantitative Developer you will ...

Quantitative Developer Python C++ MFT

Quantitative Developer (Python C++ MFT) London / WFH to £175k+Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant bonus earning potential.As a Quantitative Developer you will ...

Backend Software Engineer C++ Windows Finance

Backend Software Engineer C++ Windows - Finance (PR/ ) London, England Salary: GBP 60,000 - GBP 75,000 per annum + benefits. This is a 12 month Fixed Term Contract. Backend Software Engineer / Developer (Windows C / C++, C#) London to £75k FTC. Are you a skilled Backend Software Engineer ...

Python Software/Data Engineer

Overview Software/Data Developer - Market leading HFT/Systematic Trading Firm. Compensation: Up to £250k TC. Location: London. WFH: 4 days in office, 1 from home. Responsibilities Join a data-focused team to develop a greenfield data ingestion platform. Use OO Py ...

Salesforce Developer / Senior Developer

SC Cleared / Clearable Salesforce Marketing Cloud Developer - 6 months+ - £600-700pd Inside IR35 - London (1-2 days on site per month) Please note, you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role. What you'll be doing: ~ Design, build and deploy ...

Senior Developer C# React Investment Banking

Job DescriptionAbout TalanAt Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time e ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks? Role overview We are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scal ...

Full Stack Engineer ($100K $250K + Equity) at $55M VC backed AI startup

Job Title Full-Stack Engineer (Back-End Leaning) Salary $100K-$250K + Equity Company Description $55M VC-backed AI startup transforming the $200B+ patent industry Job Description Join an elite engineering team to build the scalable foundations ...

Senior Developer C# React Investment Banking

Job DescriptionAbout TalanAt Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time env ...

Senior Developer C# React Investment Banking

Job DescriptionAbout TalanAt Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time env ...

Senior Developer C# React Investment Banking

Job DescriptionAbout TalanAt Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time e ...

Senior Developer C# React Investment Banking

Job DescriptionAbout TalanAt Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time e ...

Senior Software Engineer News Automation Platform

Senior Software Engineer - News Automation Platform Join to apply for the Senior Software Engineer - News Automation Platform role at Bloomberg Senior Software Engineer - News Automation Platform Join to apply for the Senior Software Enginee ...

Engineering Manager

Engineering Manager Climate Tech Non-Profit £90,000 to £112,000 The Role Hands-on leadership role managing 20 engineers across multiple teams who are building a no-code energy systems modelling platform, transitioning to a PaaS model for external users. You'll own archit ...

Staff Software Engineer

Based | London (Zone 1) Workonomics are partnering with an InsurTech scale-up who to date have received over half a billion $ in funding. As a Staff Software Engineer , you'll join a small, high-impact Forward Engineering team. This role isn’t about delivering features f ...

Desarrollador Back End

ALDIA es una empresa internacional con sede central en Londres, con presencia en España y Suecia. Nos especializamos en la consultoría tecnológica y de ingeniería. ALDIA trabaja con su propio grupo de consultores para mejorar la calidad y aportar soluciones tecnológicas e innovadoras. En la actualidad, est ...

Dev/Tech Lead

We are exclusively working with a Fintech company who are shaping the Banking/Finance industry with their innovative and scalable technology platform. As a business the thrive of the start to finish attitude, someone who isn't afraid to get their hands dirty and solve complex problems, high energy and co ...

Dev/Tech Lead

We are exclusively working with a Fintech company who are shaping the Banking/Finance industry with their innovative and scalable technology platform. As a business the thrive of the start to finish attitude, someone who isn't afraid to get their hands dirty and solve complex problems, high energy and co ...

Graduate Platform Engineer Growth

Overview We’re LiveFlow - one of the fastest-growing fintech startups in the world. Backed by Y Combinator and $21M from top-tier investors including YC, YC Continuity, Valar, Seedcamp, WndrCo, Moonfire, and Bradley Horowitz (VP Product at Google), we’re building the next-generation platform that ...

Senior UI Software Engineer II

Senior Software Engineer II (Front-End / UI Engineering) About the role In this role, you’ll design and ship user interfaces for data‑intensive products used in production. You’ll work with React and TypeScript and connect to analytics and ML services (for example via Dash, Domo, and Sn ...

Principal Engineer

Principal Engineer This is a hybrid position within the UK. We currently don’t provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial instit ...

Senior Software Engineer, CalcGraphs Vice President

**Team Overview** XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute ...

Quantitative Developer

Where pure quant thinking meets production reality. Our client is hiring a Senior Quant Developer to own the full arc — from pricing model to live system — at one of the most sophisticated OTC desks in digital asset markets. London · Hybrid (3–4 days in office) · Senior level · Up t ...

Senior Software Engineer Oracle Infra

Senior Software Engineer - Oracle Infra Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloomberg is the industry standard for financial data. Bloomberg's software solutions depend on robust data infrastructu ...

Senior Software Engineer Oracle Infra

Senior Software Engineer - Oracle Infra Location London Business Area Engineering and CTO Ref # **Description & Requirements** Bloomberg is the industry standard for financial data. Bloomberg's software solutions depend on robust data infrastructu ...

Senior Software Engineer , DX

Python DevOps Backend Development Software Engineering Cloud Computing Join our innovative team in Prague and play a vital role in shaping the future of data storage. As a key member of our R&D center, you will be at the forefront of cutting‑edge innovation, tackling challenges in the as‑a‑service ...

Senior Android Engineer

United Kingdom - London, Greater London, United Kingdom, Greater London, United Kingdom Posted: 21/04/2026 Salary: £0.00 to £500.00 per Day ID: 37270_BH Apply OR Senior Android Engineer - Remote UK/Europe3 month contract initial ...

Senior Android Engineer

United Kingdom - London, Greater London, United Kingdom, Greater London, United Kingdom Posted: 21/04/2026 Salary: £0.00 to £500.00 per Day ID: 37270_BH Apply OR Senior Android Engineer - Remote UK/Europe3 month contract initial ...

ReactJS Developer Knutsford, UK Fulltime

ReactJS Developer Location: Knutsford, UK Hybrid: 3 days working from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborati ...

Senior frontend developer

Senior Frontend Developer Location: Hybrid - London or Newcastle, United KingdomSalary: up to 80,000 GBP gross per year | Ref: 38700 We are looking for a Senior frontend developer role able to join our offices in London or Newcastle (UK). The company builds wo ...

Senior Front End Engineer TypeScript React

Senior Front End Engineer TypeScript React (PR/ ) London, England Salary: GBP - GBP per annum + benefits + shares Senior Front End Engineer / Developer (TypeScript React) London / WFH to £120k Are you a frontend focused, full-stack technologist with start‑up experience looking f ...

Lead Software Engineer UI React/TypeScript Asset Management Trading

Are you excited by the challenge of creating real-time user interfaces that power trading across global markets? As a React Developer, you’ll have the opportunity to work with cutting-edge web technologies and see your solutions make an immediate impact. You’ll collaborate with experts in finance and technolo ...

Lead Software Engineer UI React/TypeScript Asset Management Trading

Are you excited by the challenge of creating real-time user interfaces that power trading across global markets? As a React Developer, you’ll have the opportunity to work with cutting-edge web technologies and see your solutions make an immediate impact. You’ll collaborate with experts in finance and technolo ...

Senior UI Developer £165k + Bonus London

Our client is a rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets . Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining ...

🚀 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