Python Software Developer Backend Jobs in UK

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Backend Software Engineer C++ Rust Low Latency

Backend Software Engineer C++ Rust Low Latency Trading Opportunity to join a hugely profitable High Frequency Trading firm specializing in crypto markets. You will design and develop high throughput backend services for microsecond real‑time risk, pricing, trading engines, and market‑making syste ...

Backend Software Engineer Spark, Spring Boot & Cloud

A leading data collaboration platform in Greater London is seeking a mid-level Software Engineer with strong experience in Apache Spark and developing RESTful APIs. The successful candidate will design applications for large-scale data processing while working within cloud-native environments. Responsibilities i ...

Staff / Senior Lead Software Engineer Backend Platform

Overview Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan h ...

Senior Software Engineer (Full Stack and Backend)

Senior • London, Barcelona, Edinburgh and Berlin Responsibilities Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-si ...

Senior Software Engineer: Remote First Backend & Frontend

Tripadvisor is seeking a Senior Software Engineer in Oxford to join a dynamic team. This full-stack position focuses on backend development while offering the opportunity to work on front-end projects. You will collaborate closely with product managers and designers and will be part of a rapid release cycle, wit ...

Staff / Senior Lead Software Engineer Backend Platform

Job Description Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Mo ...

Fintech Graduate Software Engineer (Backend) Regtech 2026

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. Please not ...

Fintech Graduate Software Engineer (Backend) Regtech 2026

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. Please not ...

Senior Backend Software Engineer (9 Month Contract)

InfoSum is the world’s leading data collaboration platform. The world’s largest enterprise businesses use InfoSum to collaborate across data sources and deliver richer customer experiences that prioritise consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the world’s data to be ...

Staff / Senior Lead Software Engineer Backend Platform

LONDON, United Kingdom Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 04/03/2026, 09:11 AM Locations 1 Cabot Square, London, E14 4QJ, GB Job Schedule Full time Job Descriptio ...

Lead Software Engineer Backend Engineer Chase UK

J.P. Morgan is seeking a Lead Software Engineer to join their International Consumer Bank team in London, UK. Job Description We are transforming digital banking with intuitive and enjoyable customer journeys. We have been building the bank of the future from the ground up, offering you the ...

Lead Software Engineer Backend Engineer Chase UK

Lead Software Engineer – International Consumer Bank At JPMorgan Chase, we aim to transform digital banking through intuitive and enjoyable customer journeys. As part of the International Consumer Bank, you will deliver outstanding banking experiences for customers while collaborating with ...

Senior Backend Software Engineer (9 Month Contract)

InfoSum is the world’s leading data collaboration platform. The world’s largest enterprise businesses use InfoSum to collaborate across data sources and deliver richer customer experiences that prioritise consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the world’s data to be ...

Lead Software Engineer Backend Engineering Java/Kotlin

Overview Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. W ...

Senior Backend Software Engineer Scalable .NET & Cloud

Deepstreamtech is looking for a skilled software engineer to join our team in Greater London. Your role will involve designing and delivering scalable and secure software for our financial wellbeing platform. You'll work with various technologies, including .NET, C#, Python, Angular, and SQL, while collaborating ...

Lead Software Engineer (Remote) – Government Backend & Cloud

A leading technology consultancy in Greater London is seeking a Lead Software Developer with expertise in Java and Node.js. The role involves technical leadership across software development, designing secure and scalable back-end services, and championing microservices architecture. Candidates must have experie ...

Backend Software Engineer I Remote & Flexible Schedule

A leading travel tech company is seeking a backend-focused full-stack engineer to tackle diverse technical challenges in their London or Oxford office. The candidate will work closely with product managers and designers throughout the software design process, enjoying regular code releases and a flexible work cu ...

Senior Software Engineer Backend in London Bits

Senior Software Engineer - Backend London, United Kingdom Posted about 1 year ago Tech Stack JavaScript GraphQL REST TypeScript Node.js Responsibilities Design and implement clean APIs using REST or ...

Backend Software Engineer I Remote & Flexible Schedule

A leading travel tech company is seeking a backend-focused full-stack engineer to tackle diverse technical challenges in their London or Oxford office. The candidate will work closely with product managers and designers throughout the software design process, enjoying regular code releases and a flexible work cu ...

Staff / Senior Lead Software Engineer Backend Platform

Job Description Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. M ...

Backend Software Engineer C#.Net Azure API

Backend Software Engineer / Developer (C# .Net Azure API) London / WFH to £75kAre you a backend focused Software Engineer with a strong knowledge of Azure?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely successful, global health / well ...

Software Engineering Intern, Backend Development, 2026 Graduate

About the Hiring TeamLevel Infinite is Tencent’s global gaming brand. It is a global game publisher offering a comprehensive network of services for games, development teams, and studios around the world.We are dedicated to delivering engaging and original gaming experiences ...

Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Fintech Graduate Software Engineer (Backend) Regtech 2026

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply.Please note ...

Backend Software Engineer Java Kafka Tech Consultancy

Backend Software Engineer / Developer (Java Kafka) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it ...

Staff / Senior Lead Software Engineer Backend Platform

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to . Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of . Morgan heritage brings. . Mor ...

Software Engineer III Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Principle and Senior Backend Software Engineer (.NET)

Principle and Senior Backend Software Engineer (.NET)Location: North London/HertfordshireType: Permanent | Strong Salary + Bonus + EquityRight to Work: UK work eligibility required (no sponsorship)What We’re Looking ForWe’re searchi ...

Senior C# Developer C#.Net Sports Trading

Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150kAre you an experienced backend focussed C# Developer?You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses.As a Senior C# Devel ...

AI Fleet Management Leader — Platform, Flexible Location

Spotify is looking for a leader for the Platform Developer Experience (PDX) team, focusing on building AI-native backend systems. The ideal candidate will have over 5 years of backend engineering expertise in Java, Python, or Node.js, along with 3+ years leading engineering teams. This flexible role allows for r ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting-edge tech-driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting‑edge tech‑driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

Principal Software Engineer Python Fully Remote (UK)

Principal Software Engineer - Python - Fully Remote (UK) Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. Looking ...

Contract Senior Software Engineer (Java or Python)

Contract Senior Software Engineer (Java or Python) | Inside IR35Contract length: 6 months (with potential to extend)Location: LondonWorking Environment: On-siteYou will be joining a private ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks?Role overviewWe 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 scale ...

Senior Python Software Engineer Data & API Platforms

A leading insurance company in the UK is seeking a Senior Software Engineer to enhance their Cyber Data Services. You will play a key role in developing data capabilities, building robust APIs, and improving data quality indicators. The ideal candidate has over 4 years of experience in Python and SQL, with a str ...

Senior Software Engineer Python & React (Hybrid UK)

A tech-for-good startup in the UK seeks a Senior Software Engineer to enhance clean transport technology. You will work closely with the CTO across the full stack using Python and React, owning backend systems and contributing to platform scaling. The role offers a competitive salary up to £75k, 27 days holiday ...

Senior Python Software Engineer – ML & Systems Lead

Roc Search in the United Kingdom is seeking a Senior Software Engineer who is passionate about purposeful work. You will lead high-quality software development centered on Python, with C/C++ being a strong advantage. Responsibilities include managing software solutions, collaborating with data science teams to d ...

Senior Python Software Engineer Data & API Platforms

A leading insurance company in the UK is seeking a Senior Software Engineer to enhance their Cyber Data Services. You will play a key role in developing data capabilities, building robust APIs, and improving data quality indicators. The ideal candidate has over 4 years of experience in Python and SQL, with a str ...

Senior Software Engineer Python & React (Hybrid UK)

A tech-for-good startup in the UK seeks a Senior Software Engineer to enhance clean transport technology. You will work closely with the CTO across the full stack using Python and React, owning backend systems and contributing to platform scaling. The role offers a competitive salary up to £75k, 27 days holiday ...

Hybrid Python Software Engineer – Cloud Native AWS

A leading UK technology company is seeking a Software Engineer to develop and improve cloud-native applications using Python and AWS. The ideal candidate will have solid experience in Python development, a drive for modernizing legacy code, and a collaborative approach within Agile teams. Responsibilities includ ...

Associate Software Engineer (C++/Python) Hybrid & Growth

A leading financial technology firm is seeking an Associate Engineer in Belfast. This role offers an exciting opportunity for early-career engineers, working with modern technologies like C++ and Python in a collaborative environment. You will develop scalable financial systems while honing your skills alongside ...

Python & React Data Engineer — Databricks, SQL & Dashboards

DNS Info Ltd is looking for a skilled Python + React + SQL + Databricks developer to combine backend data engineering with frontend application development. This role involves building APIs, developing ETL pipelines, and creating responsive UIs. Candidates should possess strong coding skills in Python, React.js, ...

Senior Software Engineer

Senior Software Engineer – Health Technology (Cambridge, Hybrid) Location: Cambridge (hybrid) We’re partnering with an organisation at the forefront of developing cutting‑edge technology that’s redefining how we understand and approach human health. They’re looking to bring a skil ...

Senior Software Engineer

Senior Software Engineer – Health Technology (Cambridge, Hybrid) Location: Cambridge (hybrid) We’re partnering with an organisation at the forefront of developing cutting‑edge technology that’s redefining how we understand and approach human health. They’re looking to bring a skil ...

Machine Learning / AI Software Engineer (C++ & Python)

Machine Learning / Applied AI Software Engineer Location: Office based. Guildford, UK Type: Permanent Salary & benefits: £superb + a blue chip package Are you a strong ML Engineer who wants your work to power the tools that engineers and scie ...

UAV Software Engineer (C++, Python, MATLAB) — Hybrid

MacStaff is seeking a Software Engineer to design and develop software solutions for UAV and drone projects in Swindon, Wiltshire. You will work collaboratively in a multidisciplinary engineering team while drawing on your expertise in C++, Python, and MATLAB. The ideal candidate will have experience in flight c ...

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    Python Software Developer Backend Jobs in United Kingdom Job Search Guide, Trends and Insights