Backend Developer Java Spring Bootpython Jobs in 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

Backend Software Engineer Portfolio Data Workflows

Overview Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workfl ...

Go Backend Engineer DV Clearance Eligible

A leading engineering firm in Romsey seeks a skilled Backend Software Engineer to develop mission-critical solutions for National Security. You'll design, develop, and maintain high-speed software components using modern programming languages like Go. Strong DevOps skills, particularly in Docker and Kubernetes, ...

Senior Backend Engineer Production Scale Microservices

A leading media and streaming company is seeking a Mid–Senior Backend Engineer to build and support APIs and microservices in production. The ideal candidate will have strong production exposure and experience with Python and AWS technologies. Responsibilities include developing backend systems, debugging real-t ...

Backend .NET Engineer – FinTech Trading Platform

A global trading broker is seeking a Back End Developer to strengthen their Trading/Transactions team in London. The successful candidate will develop in C# .NET, contribute to financial systems, and work in Agile development teams. You will clarify requirements, deliver high-quality code, and support team membe ...

Backend Engineer Remote, Scalable Systems & Impact

A circular fashion marketplace is seeking an experienced Backend Software Engineer to join their team in London. You will work with cross-functional teams, ensuring high-quality code is produced for over 1 million daily users. Responsibilities include designing solutions, collaborating with Product Managers and ...

Platform Engineer — AI Driven Backend & Pipelines

A tech startup is seeking a Software Engineer to build and maintain a shared platform that supports AI solutions. You will develop APIs, frameworks, and data services while collaborating with product engineers to enhance functionality. Candidates should have extensive experience in Python and AWS, alongside a st ...

Cloud Native Backend Engineer (Python/AWS)

A leading financial technology start-up in Greater London is seeking a motivated backend engineer to help define and build cloud-native services. Candidates should have expertise in Python and experience with AWS, Docker, and Infrastructure as Code using Terraform. The role involves collaborating with cross-func ...

Senior Backend Engineer – Geospatial & Systems Leader

A leading technology company in London is seeking an experienced software developer to join their team. The successful candidate will lead the development of geospatial data processing solutions, mentor junior engineers, and collaborate with product teams. Requirements include a degree in Software Engineering, a ...

Staff Backend Engineer Python/Go, Kubernetes

A leading tech firm located in Greater London is seeking a Staff-Level Full-Stack Software Engineer. The role emphasizes strong expertise in building secure backend systems using Python and/or Go. Familiarity with containerized services, particularly Kubernetes, is vital. This position offers a competitive salar ...

Senior Backend Engineer — AI Platform & Microservices

A leading media company in Greater London is seeking a Senior Backend Engineer to join their Emerging Tech team. The role focuses on building backend systems for a multimodal AI platform, requiring expertise in TypeScript or Python and experience with cloud platforms such as GCP. Responsibilities include develop ...

Backend Engineer (Fintech) Scalable Banking Infra

A fintech company in London is seeking a Backend Engineer to enhance their financial infrastructure. You will design and implement robust systems, ensuring compliance and security in a fast-paced environment. This entry-level role offers an opportunity to contribute to impactful projects in a dynamic team. Candi ...

Senior Backend Engineer, Data Lakehouse & Onboarding

A global data and AI platform is seeking an experienced backend software engineer to join their Platform Integrations team in Edinburgh. The role focuses on building robust client onboarding solutions, allowing clients to centralize and analyze their data effectively. Candidates should have extensive experience ...

Senior Go Backend Engineer — Scale Microservices

A leading technology firm in Greater London is looking for a Senior Backend Engineer to take technical ownership of key product areas. You will architect and build resilient Go services, mentor junior engineers, and lead initiatives that scale the platform to millions of users. Ideal candidates have experience w ...

Full Stack Engineer (Blockchain) — Backend / Infrastructure

Fireblocks builds infrastructure that enables financial institutions, banks, and global brands to securely manage digital assets at scale. The platform combines MPC‑based wallet infrastructure with custody and settlement systems used across high‑value, high‑throughput environments. This role sits wi ...

Backend Software Engineer Sports Data & APIs

A leading sports data and analytics company is seeking a Software Engineer (Backend) to transform large datasets into engaging insights for data-driven decisions in sports. This role involves developing and deploying APIs, managing databases, and building ETL pipelines. The ideal candidate should have at least 3 ...

Payments Backend Engineer: Scale Global Subscriptions

A leading technology company in Greater London is seeking an experienced back-end developer for the Payments Team. You will build scalable software solutions to enhance user experience across Proton's products. Ideal candidates will have a strong background in back-end development, experience with PHP/Symfony, S ...

Payments Backend Engineer Fintech APIs (Hybrid)

A rapidly scaling fintech is seeking a Software Engineer with extensive experience in payments. This role involves designing and building scalable APIs and backend systems, collaborating across teams, and contributing to system design for financial infrastructure. The ideal candidate has proven payments experien ...

Senior Backend Engineer, Games APIs & Tools

We want you to #JOINTHEREBELLION!For 30 years we've been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and ...

Senior Backend Engineer AI Infrastructure & Scale

An innovative AI company in Greater London seeks a skilled Senior Software Engineer to own significant architectural decisions. You'll develop resilient systems that support autonomous AI agents, ensuring reliability and rapid deployment. Ideal candidates will have extensive experience in production software dev ...

Senior Backend Engineer, Remote — Adaptive Telemetry

A leading observability platform is hiring a Staff Backend Engineer for Adaptive Telemetry. In this remote role, you will drive technical strategies, ensure system reliability, and mentor engineers. Preferred candidates will have experience in distributed systems and cloud-native architectures, and proficiency i ...

Senior Backend Engineer — REST APIs & Microservices

A leading technology company in the United Kingdom is seeking a Software Engineer to develop robust back-end services and applications. The role involves building and integrating RESTful APIs, enhancing scalable systems, and implementing CI/CD pipelines. Candidates should have strong proficiency in Java, Python, ...

Senior Backend Software Engineer at Joinfleek.com

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. ...

Backend Engineer Global Payments & Tax Infrastructure

A fintech startup in Greater London is looking for a Backend Engineer to build complex financial infrastructure from scratch. You will implement payment flows, create tax engines, and develop systems for international commerce. Ideal candidates will have experience with JVM-based languages, particularly Kotlin, ...

Senior Backend Engineer: Kotlin, Microservices, Remote

A technology company seeking a Senior Backend Engineer to build and scale backend systems. Responsibilities include designing microservices in Kotlin, collaborating across teams, optimizing system performance, and mentoring other engineers. Ideal candidates will have expertise in server-side languages and experi ...

Platform Engineer (C#) Own & Impactful Backend

A leading online bingo platform in Sunderland is seeking a developer with 2-3 years of experience. You will contribute to platform codebases, participate in agile processes, and collaborate with teams. Strong C# skills are essential, along with a good understanding of testing methodologies. This role offers auto ...

Backend Engineer — Event Driven Ecommerce Integrations

A leading recruitment agency is seeking a Backend Engineer for a greenfield replatforming project for a well-known retail brand in Desborough, United Kingdom. The role focuses on designing and developing event-driven integrations for a new ecommerce ecosystem using Node.js and AWS. Candidates should have a solid ...

Remote Ready Backend Engineer Scale & Impact

A leading motor insurance provider in London is looking for a Software Engineer to join their engineering teams. You will be responsible for architecting scalable solutions, collaborating with stakeholders, and ensuring code quality. The ideal candidate has extensive backend development experience, strong commun ...

Senior Backend Engineer (Palantir Foundry Experience)

A NOTE FROM THE FOUNDERS Oxford Dynamics is at an inflection point. We operate in some of the most complex and high‑stakes environments in the world - defence, national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become. You ...

Senior Backend API Engineer – Hybrid + Relocation

A leading independent video game developer is looking for a Senior Online Developer in Warwick. This role involves building and supporting internal and external web APIs, working primarily on back-end developments. The ideal candidate should have strong skills in NodeJS, JavaScript, and TypeScript, alongside exp ...

Senior Backend Engineer: Node.js & Scalable APIs

A leading tech startup in the UK is looking for a Backend Engineer with strong Node.js programming skills to develop scalable backend services. Responsibilities include designing and maintaining RESTful APIs, optimizing database performance, and collaborating with cross-functional teams. The ideal candidate hold ...

Finance Backend Engineer Cloud, APIs & Microservices

A leading technology solutions provider in the United Kingdom is seeking a Software Engineer for Finance to design and support backend systems critical to financial workflows. The ideal candidate will have at least three years of experience developing backend applications and APIs, especially within cloud enviro ...

Backend Engineer, AI Platform (Python) Remote

A cutting-edge AI technology company is looking for back-end engineers with expertise in Python to enhance their core platform. The role is flexible and supports remote work globally, while offering competitive salary and learning opportunities. Ideal candidates will have a strong background in backend developme ...

Backend Software Engineer — Payments Platform (Hybrid)

A leading vacation rentals company in Greater Manchester seeks a passionate Software Engineer for its Payments Team. You will design and build services for transaction processing and contribute to the architecture of payment solutions. The ideal candidate will have experience in AWS services, API development, an ...

Go Backend & DevOps Engineer – Cloud & Kubernetes

A software development firm based in the UK is looking for a proficient developer specializing in secure scalable enterprise-grade Go applications. Ideal candidates will have experience with REST APIs, container technologies, and micro‑services architecture while also being familiar with DevOps practices includi ...

Backend Engineer Node.js/TypeScript, Lisbon Onsite

A tech-focused company in the UK is seeking a skilled Backend Software Engineer to design and develop server-side applications. The role requires proficiency in Node.js and TypeScript, and experience with PostgreSQL and Google Cloud Platform is essential. The company offers comprehensive benefits, including heal ...

Senior Backend Infra Engineer Scalable Systems

A leading software company in Greater London is searching for a Software Engineer to develop scalable and reliable infrastructure systems. You will be engaged in diverse tasks such as building a search ecosystem, contributing to open-source libraries, and crafting distributed systems. The position demands over 6 ...

Industrial IoT & Backend Engineer, Data Solutions

A global technology company based in Greater London is seeking a Software Engineer to contribute to their Data Services program. The role involves designing and deploying scalable data solutions for Industrial IoT applications, collaborating with cross-functional teams, and developing RESTful APIs. Ideal candida ...

Backend Software Engineer (£80k) at InTouchNow.ai

Job Title Backend Software Engineer (£80k) Salary Up to £80k Company Description InTouchNow.ai – Award-winning healthcare technology company building AI voice agents for the NHS. Job Description Join a high-impact team building AI-powered voice agent ...

Senior Backend Software Engineer at Joinfleek.com

Job Title: Senior Backend Software Engineer Company Description: Joinfleek.com - Series B fashion-tech marketplace backed by a16z and YC Job Description: You will architect the transaction layer for the world’s first AI-native secondhand fashion marketplace. Re ...

Senior Backend Engineer: Scalable Microservices, Hybrid

A major banking institution is looking for a Senior Software Engineer (Backend) in Leeds. This role will involve designing and deploying backend services using modern programming languages and tools like Docker and Kubernetes. The ideal candidate should have strong backend development experience and a collaborat ...

Lead Full Stack Engineer (Backend Leaning)

Senior Full‑Stack/AI Engineer (Backend-leaning) Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014 ...

Senior Software Engineer, Backend Services & APIs

Job Description Senior Software Engineer, Backend Services & APIs Office based in Moorgate, London Join Fortinet, a global cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and ...

Senior Backend Engineer, APIs & Data Pipelines

A cybersecurity leader is seeking a Senior Software Engineer for backend services and APIs in London. The ideal candidate has 3-5 years of software engineering experience, strong programming skills, and familiarity with Golang, cloud environments, and micro-service architecture. Responsibilities include implemen ...

Senior Backend Engineer Financial Systems & vIBANs

A financial technology company in London seeks a Senior / Lead Engineer to build a robust collections and treasury foundation. This role involves leading architectural decisions, collaborating with PMs, and ensuring high engineering quality in financial systems. Ideal candidates should have experience in deliver ...

Senior Software Engineer, Backend Services & APIs

Senior Software Engineer, Backend Services & APIs LONDON, United Kingdom Job Info Job Identification 22521 Job Category Software Development Posting Date 03/31/2026, 09:15 AM Locations LONDON, United Kingdom Job Schedule Full time </ ...

Backend Golang Engineer Equity & Health Insurance

Mistral AI seeks a Backend Engineer in London to develop core systems for their Cloud solutions. The role involves designing and maintaining high-performance backend features and collaborating with cross-functional teams. A degree in Computer Science and over 5 years of experience, especially in Golang, is requi ...

Mistral Cloud Software Engineer, Backend (Golang)

About Mistral AI At Mistral AI, we believe in the power of AI to simplify tasks, save time and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, p ...

Senior AI Driven Backend Lead Engineer

PMG UK is looking for a Lead Software Engineer to join their team in Greater London. In this role, you will lead the design and development of innovative features within the Alli platform, collaborating with diverse teams to deliver AI-driven solutions. Ideal candidates have over 5 years of backend development e ...

Senior Cloud Backend Engineer Scale & Reliability

Merantix is seeking a Senior Software Engineer for their Sheffield location. This hybrid role involves designing and developing scalable cloud-native services, improving existing systems, and ensuring operational excellence. With a focus on collaboration across product, UX, and platform teams, the ideal candidat ...

Senior Backend Engineer: Scalable Systems & Tools

APPLE is looking for a software engineer to join their documentation engineering team in Greater London. This role focuses on backend technologies, API design, and improving existing systems. Candidates should have experience with web applications, a passion for product development, and strong communication skil ...

🚀 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 United Kingdom Job Search Guide, Trends and Insights