Back End 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

Ruby Developer

Ruby Developer Inside IR35 Remote 3 months with scope to extend Active SC is advantageous We're looking for a Senior Developer with strong Ruby on Rails experience who can hit the ground running in a government environment. The ideal candidate will have a c ...

Shopify Developer

Are you a front-end web developer with a passion for Shopify looking for a new challenge? If you're a front-end web developer who excels in Shopify and is an advocate for modular, utility-first development, then we'd love to get to know you. We offer great mentorship and onboarding support! < ...

Senior Developer

Job Overview Global brand hiring: Senior AWS / Full Stack Engineer - 12 month contract - Remote/UK based. I’m looking to connect with experienced engineers who thrive in cloud‑native environments and enjoy building scalable, data‑driven applications. What we’re looking for: ...

Quantitative Developer

About LSEG LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open‑access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowl ...

Algo Developer

Algo Developer London – Hybrid Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform s ...

Product Developer

About Charlie We’re Charlie and we exist to Make Work Better. We do this by helping small businesses automate their HR tasks so that they can get the time, headspace and tools they need to build an engaged and high-performing team. We’re looking for a Product Developer (IC1–IC2) to join our Produ ...

Quantitative Developer

TankX is a quantitative trading company focused on high-frequency trading and liquidity provision in digital asset markets. We build technology-driven systems that combine software engineering, quantitative research, and real-time market data to operate in global exchanges. We offer a competitive monthly s ...

Salesforce Developer

We’re working with a mission‑driven organization in the non‑profit / housing space that is scaling a high‑impact Salesforce platform used by organizations across the UK and internationally. They are expanding their in‑house Salesforce product team and are looking to hire up to two permanent Salesfo ...

Python Developer

LocationLondon, England, United Kingdom# Python Developer at N Consulting LtdLocationLondon, England, United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedMay 6th, 2026Apply Now**Role: – Sr Python Developer****Duration:6 Months Contract**We are looking for a Python Developer with strong experience in * ...

Frontend Developer

As a Frontend Developer at Eeze, you will be part of a fast-paced, innovative team building web-based gaming applications. You’ll work with technologies such as TypeScript, React, Redux, Zustand, WebSockets, and Vite, contributing to a modular and scalable front-end architecture. We’re looking for someone ...

Senior Developer

Role overview Senior Developer is responsible for the design, build, and support of enterprise‑grade solutions aligned to TrinityBridge’s Power Platform Environment Strategy. The role focuses on delivering well‑governed, secure, and scalable applications and integrations using Power Apps, ...

Salesforce Developer

We’re looking for a Salesforce OMS Developer to support a large-scale ecommerce transformation programme. You’ll be responsible for building and enhancing Salesforce Order Management capabilities , covering order lifecycle, fulfilment, and integrations with backend systems. Must-have ...

API Developer

Ameresco, Inc. has an immediate opening for an API Developer in our ASG (Asset Sustainability Group). Responsibilities Collaborating directly and independently with customers and third parties to architect and develop API solutions that align with business objectives. ...

BI Developer

Location: London - 3 daysContract: 3 months (likely extension)IR35: OutsideRate: £425-475Start: ASAP Overview This is an internal-facing role focused on consolidating data from multiple business systems (e.g. Finance, HR, planning tools) into a centralised reporting la ...

Python Developer

We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience in AI and Large Language Models (LLMs) to help build intelligent, scalable products used by thousands of ...

Senior Developer

Overview Your .NET Core experience is required to join a company making a real world difference across the globe. They truly are leagues ahead of any of their competition, both in the UK and around the world. Your C# using .Net core skills will be put to use aiding in multiple current and upcomin ...

Backend developer

Join a team of superheroes! Teamtailor is an Employer Branding & ATSSaaS platform used by over 3.000 companies ...

C++ Developer

C++ Developer – Smart Order Routing Ready to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the challenge you've been looking for. This is an opportunity ...

Senior Developer

Glencore is actively increasing its use of modern technologies within the IT department and is looking for an experienced Senior Developer to join the team. This role will suit an experienced developer with a broad and modern skill set, with a proven history of the commodity or financial trading sectors. T ...

Product Developer

House of CB is a global fashion brand celebrated for its empowering, feminine designs and statement-making silhouettes. With a cult following built through powerful visuals, trend-defining campaigns, and a bold social media presence, we’re continuing to grow our team with people who share our passion for fash ...

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 ...

Quantitative Developer

Engineer page is loaded## Engineerlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commit ...

Algo Developer

Algo Developer London – Hybrid Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform s ...

Web Developer

The Intermediate PHP / Wordpress Web Developer is a member of a small, highly focused team, responsible for maintaining and improving the Global Relay corporate website including the information service website. This is an opportunity to work alongside some of the best developers in London and apply y ...

Golang Developer

You will join our Investment Banking client where you will sit across all areas of the business to deliver a global transformation to become truly cloud native, migrating on prem systems onto the cloud, re‑writing legacy systems/monolithic systems into microservices, and a lot of Kubernetes work. The team ...

Algo developer

Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and toke ...

Partnership Developer

We are looking for a Business Development Manager to join our team and help to propel the business forward further commercially and strategically into 2024 and beyond. Someone with experience in similar industry sectors preferred. Requirements A minimum of 5 years' in relevant work exp ...

Anaplan Developer

Overview Working as part of the wider Systems Team this position is responsible for designing, developing, and maintaining Anaplan models. Base pay range Direct message the job poster from SystemsAccountants Responsibilities Design, develop, and maintain Anaplan ...

Endur Developer

3 weeks ago Be among the first 25 applicants This range is provided by Intec Select. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Intec Select Bridging E/CTRM Talent Gap ...

Web Developer

Overview Join our dynamic web development team as an intern and gain hands-on experience in building robust web applications. You will work closely with senior developers to develop and maintain API endpoints, implement authentication systems, and create comprehensive CRUD operations. This interns ...

Sharepoint Developer

I’m currently working with a leading global law firm looking to hire an Applications Developer into their London team. This is a strong fit for someone with deep Microsoft stack experience, particularly around SharePoint development and ASP.NET applications within enterprise environments. The ...

Business Developer

Job Title: Business Developer (Field Sales)Location: UK (Field-Based)Salary: Up to £30,000 (DOE) + Target-Driven BonusBenefits: Fully Expensed Company Car + Additional Benefits About the Opportunity Our client, a globally recognised brand is se ...

Frontend Developer

Who we are and what we do: Element Human (Crowd Emotion Ltd) has been around for six years, learning about emotions and working through several iterations of our new HX Workbench. We currently primarily work with brands, agencies and publishers, but we support anyone who wants to understand how p ...

Dynamics Developer

Have experience with Power Platform and Power Automate Have experience with Azure and Azure DevOps Must be SC cleared. Project overview: The CRM project aims to introduce a new Customer Relationship Manager (CRM) to replace the current manua ...

Web Developer

Overview Join our dynamic web development team as an intern and gain hands-on experience in building robust web applications. You will work closely with senior developers to develop and maintain API endpoints, implement authentication systems, and create comprehensive CRUD operations. This interns ...

Salesforce Developer

Salesforce Developer (Permanent) Remote – first | London hybrid | £55,000-£60,000 We're working with a mission-driven organization in the non-profit / housing space that is scaling a high-impact Salesforce platform used by organizations across the UK and internationally. They are ...

Senior Developer

Location: Remote with occasional travel to the offices About the role This is an exciting opportunity for a highly motivated and skilled Full Stack Developer to join a dynamic team working on a greenfield project. The primary focus of this role will be on developing robust and sca ...

iOS Developer

We’re working with a fast-growing start-up business looking for an IOS Developer to take full ownership of the mobile layer - from SDKs used by partners to the app used by clients in their field. You’ll work at the intersection of on-device machine learning, SDK development, and real-world produ ...

Python Developer

Backend Software Engineer (Python) | Senior Python Backend Software Developer | Python Software Engineer London (1 day per week in office) We’re working with a high-growth, Series B SaaS company hiring multiple Backend Software Engineers to build an AI-driven platform used by large ...

Salesforce Developer

Overview Exclusive Networks is the global cybersecurity go-to-market specialist that provides partners and end-customers with a wide range of services and product portfolios. With offices in over 45 countries and the ability to serve customers in over 170 countries, we combine deep local expertis ...

Quantitative Developer

Join to apply for the Quantitative Developer role at G-Research Join to apply for the Quantitative Developer role at G-Research Direct message the job poster from G-Research Talent Acquisition Specialist at G-Researc ...

Algo developer

Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and toke ...

Golang Developer

You will join our Investment Banking client where you will sit across all areas of the business to deliver a global transformation to become truly cloud native, migrating on prem systems onto the cloud, re‑writing legacy systems/monolithic systems into microservices, and a lot of Kubernetes work. The team ...

DotNet Developer

Role & Responsibility Microsoft SQL Server 2008/2012 (Database Development – relational database design concepts and best practices).Hands on experience with .NET 4.0/4.5 using C#Must have good WCF services experience using C#Must have hands-on exp ...

FE Developer

Methods Business and Digital Technology LimitedMethods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in t ...

WordPress Developer

WordPress/PHP Developer – ContractAre you a WordPress/PHP developer with a strong grasp of front-end fundamentals and API integration? This is a part-time contract opportunity to support a core B2C product in the edtech sector. The platform is already live and in use.You’ll wor ...

Python Developer

Job responsibilities • Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems • Creates secure and high-quality production code and maintains algorithms ...

UI Developer

Key Responsibilities Assist in designing and developing UI components using React and Redux. Write clean, maintainable code in TypeScript and JavaScript (ES). Collaborate with team members to implement real-time data solutions using WebSockets and REST APIs.</ ...

Web Developer

Web DeveloperLondon OfficeSoftware Engineering – Software Engineering /Full Time /Hybridapply for this jobAt Moneybox, our mission is to give everyone the means to get more out of life. We’re guided by our belief that wealth isn’t about the money, it’s about the means to more – more freedom, ...

.NET Developer

Description :IT Delivery (Control Functions)IT Delivery builds bespoke software solutions in order to keep EDF Trading’s unique business model high-performing, efficient and flexible. In some situations, IT Delivery will be responsible for building the integration components ...

🚀 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

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