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

C# Developer Top Market Maker London

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match.A leading global options market maker is expanding its Fixed Income Tr ...

Quantitative Developer (Multi Strat Hedge Fund)

A leading multi-strategy hedge fund is looking to hire a Credit Strat Developer to join a high-performing team supporting credit-focused PMs across London and APAC. Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.This ...

Mid Junior C# Developer (Quants, FX)

Job Description Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out.C# Developer6 Month ContractLocation: London (Hybrid) Lorien's UK leading Investment banking client are currently looking for a highly skilled C# ...

NEC Developer, Hybrid Working, Immediate Start

Job Description Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.This North London Authority are looking for a NEC Developer. Details of the role are: 6 month contract - expected to be temp ongoing Hybrid - TBD </p ...

Low Latency Market Data Developer C++

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shap ...

Senior Quantitative Developer – Systematic Rates Trading

Want to work at a hedge fund that is expanding within systematic trading? Increase your chances of an interview by reading the following overview of this role before making an application.This is a high-impact role where you’ll collaborate closely with traders and portfolio managers to d ...

C++ Quant Developer Systematic Hedge Fund

Quant Developer – Systematic Trading (Microstructure Focus) Location – London A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.A leading multi-strategy, multi-manager hedge fund is seeking a Quant ...

Senior Web Application Developer (Full Stack)

Senior Full-Stack Web Application DeveloperRole: Senior Web Application Developer (Full-Stack)Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, AgileType: Contract, Daily RateDuration: 3+ MonthsLoca ...

C++ Developer Investment Tools and Signals

C++ Developer - Investment Tools and SignalsNewton Colmore is looking for an experienced C++ developer with a strong interest in finance and technology to join a newly established investment team, developing cutting edge tools and algorithms.You will be working closely with quantitative researche ...

Project Quantity Surveyor / Quantity Surveyor

Project Quantity Surveyor - Residential Developer - East LondonSalary: £65,000 – £75,000 + packageO’Neill and Brennan are currently working with a well-established residential developer with a strong pipeline of schemes across East/South East London. Due to continued growth and several new projec ...

Site Reliability Engineer (SRE)

Site Reliability Engineer (SRE)Salary: £50,000 per annumReporting to: Head of TechnologyLocation: London-based | Hybrid working (2–8 days per month in the office)We’re looking for an SRE with 2–3 years of experience in DevOps, Platform Engineering, or SRE who can write production-quality code ...

Golang Engineer

GOLANG ENGINEER - RICHMOND, LONDON (ONSITE)Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.KEY POINTSSalary up to £60,000Fully onsite role in Richmond, LondonStrong focus on Go, Linux, and low-level netwo ...

Full Stack Engineer

Full Stack Engineer 3 days in London £70,000 to £85,000 Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply.trg are partnered with a data platform and insights provider used by major g ...

Graduate Quant Developer Remote Enabled FinTech

Tempest Vane Partners, a leading FinTech business in Greater London, seeks a driven Quant Developer to enhance their Portfolio Management System. This role involves implementing frameworks in C++ and Python while supporting clients across various asset classes. Recent graduates in relevant fields with strong pro ...

Applied Machine Learning Engineer Developer Publications

Summary Posted: 07 May 2026 Weekly Hours: 35 Role Number: Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build is the result of us making each other’s ideas stronger. That happens because eve ...

Front Office C# Developer Commodities Derivatives

Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella)Duration: 6 months initiallyLocation: Marylebone - LondonWorking Arrangement: Hybrid - 3 days per week onsite We're looking for ...

Senior Software Developer Market Making Technology

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four c ...

Model Developer Senior Analyst Structured Finance

**About the Role:** **Grade Level (for internal use):** 11**The Team:** The Structured Finance (SF) team develops and maintains quantitative criteria, models, and tools that support credit rating and research across ABS, RMBS, CMBS, and structured credit. The team values technical ...

Business Intelligence Developer / Manchester or London

OVERVIEWJoin the fast-growing TechOps BI team at TransPerfect as a Business Intelligence Developer, supporting the design, development, and maintenance of modern business intelligence architectures and solutions. You will work with a suite of TechOps technology products, integrating re ...

Low Latency C/C++ Developer – London

Salary: Competitive / Market-LeadingCompany:The role sits within the London office of a brand new HFT built out of an established systematic fund. So, there are huge buy-ins from the business – allowing you to delve greenfield project but with the advantage of market makers ...

Senior Front End Developer (React.JS Essential)

We're looking for an experienced Front End Engineer to join our clients Engineering team, to help delivery of our digital roadmap, develop our people and capabilities, and support Engineering strategy to drive improvements across all teams. This is a fantastic opportunity to work in a product ...

D365 CRM Developer Power Platform (FTSE250!)

D365 CRM Developer- Power Platform (FTSE250!) Are you looking to work for a company which is very innovative? Are you a D365 Developer who is looking to work with Power Platform, Power Apps, Power BI and Power Automate? Do you want to work in a cutting-edge compan ...

Freelance n8n Workflow Developer AI Trainer

Mindrift is looking for skilled n8n Workflow Developers to join the Tendem project () and contribute to building and optimizing automation workflows within our hybrid AI + human system. ...

Full Stack Developer | Upto $120/hr

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

Software Developer London £75 140k + equity

About Corgi- Corgi is an AI-powered insurance company designed for tech startups.- The company has raised $108M and holds regulatory approval as a licensed carrier.- The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting.- Corgi is currently scal ...

Freelance n8n Workflow Developer AI Trainer

Mindrift is looking for skilled n8n Workflow Developers to join the Tendem project () and contribute to building and optimizing automation workflows within our hybrid AI + human system. ...

Senior BI Developer (f/m/d)

Purpose of the PositionData is at the core of the company’s decision‑making and commercial success. Our mission is to ensure that Awin leverages the full value of its data assets to drive strategic insight, optimise campaign performance, and empower client‑facing teams with best‑in‑class intelli ...

D365 CRM Developer Power Platform (FTSE250!)

D365 CRM Developer- Power Platform (FTSE250!) Are you looking to work for a company which is very innovative? Are you a D365 Developer who is looking to work with Power Platform, Power Apps, Power BI and Power Automate? Do you want to work in a cutting-edge compan ...

Assistant Vice President, Business Intelligence Developer

Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the world’s leading financial groups. Across the globe, we’re 150,000 colleagues, striving to make a difference for every client, organization, and community we se ...

Business Intelligence Developer / Manchester or London

OVERVIEWJoin the fast-growing TechOps BI team at TransPerfect as a Business Intelligence Developer, supporting the design, development, and maintenance of modern business intelligence architectures and solutions. You will work with a suite of TechOps technology products, integrating re ...

Full Stack Developer | Upto $120/hr

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

Low Latency C/C++ Developer – London

Salary: Competitive / Market-LeadingCompany:The role sits within the London office of a brand new HFT built out of an established systematic fund. So, there are huge buy-ins from the business – allowing you to delve greenfield project but with the advantage of market makers ...

Head of FP&A (Battery Developer)

Your newpanyA global battery project developer which has grown significantly in the last 10 years, targeting markets in multiple geographies. A modern culture capitalising on the long-term green transition. Thepany has gone from strength to strength in the last few years and should be referred t ...

Senior Front End Developer (React.JS Essential)

We're looking for an experienced Front End Engineer to join our clients Engineering team, to help delivery of our digital roadmap, develop our people and capabilities, and support Engineering strategy to drive improvements across all teams. This is a fantastic opportunity to work in a product ...

Software Developer London £75 140k + equity

About Corgi- Corgi is an AI-powered insurance company designed for tech startups.- The company has raised $108M and holds regulatory approval as a licensed carrier.- The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting.- Corgi is currently scal ...

Python Core Developer – Middle Office – London

Salary: £200 – 250kCompanyThis fintech is an international global algorithmic market maker in digital assets. They aim to transform Crypto Markets by offering liquidity to trading platforms and exchange. So essentially ‘HFT meets Crypto’. Trading more than $5B+/day across d ...

Gen AI Developer (SC Clearance required)

Job Description The team you'll be working with: We are seeking highly skilled and experienced Gen AI specialist to join our dynamic Gen AI COE inside NTT DATA UK&I. The ideal candidate will have a strong background in designing and implementing AI solutions ideally u ...

Head of FP&A (Battery Developer)

Head of FP&A (Battery Developer) Employer Location England, London Salary - per annum + bonus + bens Closing date 18 May 2026 View more categoriesView less categories Sector Salary band , Contract type Hours Where will they be working You need to or to save a job. Job Details< ...

Microsoft Dynamics Support Developer D365 CRM

Microsoft Dynamics Support Developer D365 CRM London / WFH to £45kDo you have a strong knowledge of Microsoft Dynamics? You could be progressing your career as a Microsoft Dynamics Support Developer at a Non-Profit organisation that are helping to solve food poverty and wastage in the UK, ...

Microsoft Dynamics Support Developer D365 CRM

Microsoft Dynamics Support Developer D365 CRM London / WFH to £45kDo you have a strong knowledge of Microsoft Dynamics? You could be progressing your career as a Microsoft Dynamics Support Developer at a Non-Profit organisation that are helping to solve food poverty and wastage in the UK, ...

Senior Python Developer Code Migration Specialist

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not p ...

Developer – Global Threat Intelligence (Senior Associate)

The role is for you if:You have strong experience with PythonAdvanced knowledge of JavaScript and modern web technologies (HTML/CSS)Experience designing, developing, and consuming RESTful APIsComfort using AI tools such as Cursor and GitHub CopilotAbil ...

Financial Systems Developer (C#.NET Engineer)

Ref: KM46978Employment Type: Full-time, PermanentSalary: £40k-£65k depending on experienceStart Date: NegotiableWorking Hours: Monday to Friday, 9:00–17:00Location: Central London (Hybrid)WORK STYLE: Hybrid styleFinancial Systems Develo ...

🚀 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