Python Software Developer Backend Jobs in UK

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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 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 </ ...

Senior Software Engineer: Backend & Microservices (Java)

A leading EdTech company based in London is seeking a Senior Software Engineer to design and build scalable systems. In this role, you'll work on backend architecture, APIs, and data systems while collaborating with a global engineering team. Ideal candidates should have strong experience with Java, Python, and ...

Senior Software Engineer — Backend & Platform Architect

A leading sports and gaming marketing company in Greater London is seeking a Senior Software Engineer to enhance their product and engineering capabilities. The ideal candidate will focus on backend services and the integration of applications and data. Responsibilities include leading technical roadmaps, mentor ...

Software Engineer (Frontend / Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Software Engineer (Frontend / Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Software Engineer (Frontend / Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Software Engineer II – Creatives (Global Backend)

The Trade Desk, Inc. is looking for a Software Engineer to design and build data-focused products. This role involves the full software development lifecycle, collaboration with a diverse team, and addressing unique technical challenges in a global environment. Candidates should have a Bachelor's/Master's degree ...

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 Backend Software Engineer Application Development

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and mor ...

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 ...

Sr. Backend Software Engineer Edinburgh, UK

Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients. Hundreds of thousands of users have entrusted Addepar to empower smarter investment decisions and better advice over the last decade. With client presence in mo ...

Senior Backend Software Engineer Java/Spring

A technology solutions provider in the UK is seeking a Senior Software Developer to join their multi-disciplinary team. The ideal candidate will have strong Java skills, experience in Agile environments, and a passion for improving user outcomes. Responsibilities include developing digital solutions and leading ...

Senior Backend Software Engineer (Ground Segment)

Senior Backend Software Engineer (Ground Segment) At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before – ready for the challenge? Then read on… Working in ou ...

Backend Software Engineer C# .Net AWS

This range is provided by Client Server. 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 Client Server Backend Software Engineer / Developer C# .Net AWS (Junior - Mid) London to ...

Backend Software Engineer C# .Net Core

Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. 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 Client Server Senior ...

Software Engineer, Backend AI Practice Team

Software Engineer, Backend - AI Practice Team Warrington, Cheshire, United Kingdom and 1 more Be the First to Apply Job Description ABS is seeking an exceptional Backend Engineer to join us full-time on our Artificial Intelligence (AI) Practice Team. In this role, you will d ...

Senior Backend Software Engineer (API & Cloud)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and p ...

Senior Backend Software Engineer (API & Cloud)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and p ...

Staff Software Engineer Warehousing & Cloud Backend

A leading retail and food company located in Greater London is seeking a skilled backend engineer to build and maintain high-quality cloud-based software. You will collaborate with engineers to enhance standards and practices while mentoring others. Key qualifications include proficiency in Java, PL/SQL, and clo ...

Senior Software Engineer Payments Platform Backend

Greater Giving, Inc. is seeking a Senior Software Engineer in Belfast to design and deliver features for the Merchantware Gateway. Responsibilities include backend service development, mentoring junior engineers, and improving processes within the team. Candidates should have a Computer Science degree, over 4 ye ...

Staff Software Engineer (Optimizely Analytics, Backend)

Introduction Optimizely Analytics is the industry leading warehouse native analytics platform. We are used by Canva, Grammarly, Alaska Airlines, and many more to unlock data-driven decisions for experiment analysis, product analytics, sales analytics and beyond. You will work in a small, nimble t ...

Senior Software Engineer Payment Gateway Backend

takepayments Limited in Belfast is looking for a Senior Software Engineer to join their Merchantware Gateway team. You will design and deliver features, develop backend services, and mentor junior engineers. Ideal candidates have 4+ years of experience in software development with strong skills in C# .NET and re ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer Java Kotlin AWS (PR/ ) London, England Salary: GBP - GBP per annum + equity + benefits Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands‑on Backend Software Engin ...

Backend Software Engineer – Golang/C# (Hybrid)

bet365 Group is seeking a full-time Software Developer in Stoke-on-Trent to work within a talented team to deliver high-quality solutions on Linux and Cloud platforms. You will enhance our flagship Sports systems and tackle challenges in building low-latency, scalable solutions while gaining exposure to Golang. ...

Software Engineer (Frontend / Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client ...

Senior Software Engineer (Backend / Product Focused)

London (hybrid) We’re working with a fast-growing consumer platform scaling both its product and engineering team. This is a backend-leaning, product-focused role where engineers own features end-to-end, from idea through to production. You’ll be building systems that directly impact users, ...

Backend Software Engineer Java Kotlin AWS

London, Greater London | £100k - £120k per year Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands‑on Backend Software Engineer role working on Tech for Good? You could be joining a H ...

Backend Software Engineer Send for Banks

Backend Software Engineer – Send for Banks Wise is a global technology company that enables people and businesses to send money internationally, spend abroad, and receive payments. The role focuses on building a new network for the world’s money, ensuring scalability and reliability. How ...

Graduate Software Engineer: Frontend/Backend & Hardware

Amodo Design, a Sheffield-based startup, is seeking talented developers to join their multidisciplinary team. You will work on designing and developing innovative solutions across various sectors, including quantum computing and biotechnology. Ideal candidates have experience in frontend or backend development, ...

Backend Software Engineer C# .Net FinTech

Backend Software Engineer / Developer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focussed Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You c ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, ...

Software Engineer (Frontend / Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific ...

Senior Backend Software Engineer (API & Cloud)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and p ...

Senior Backend Software Engineer (API & Cloud)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and p ...

Senior Backend Software Engineer (API & Cloud)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and prov ...

Hybrid Python Software Engineer – Cloud & Automation

A leading energy provider in the UK is seeking a skilled Python Software Engineer to design, build, and manage software platforms. You will work in a collaborative environment focusing on automation and system optimization. This role offers a competitive salary between £55,000 – £67,000 per annum along with nume ...

Software Engineer (Gloucester) – Python, APIs & Frontend

A small software company in Gloucester is seeking a Software Engineer to collaborate with cross-functional teams, develop software solutions, and contribute to API development. The ideal candidate has expertise in HTML, CSS, RESTful APIs, and backend technologies such as Python and MySQL. This full-time role off ...

Senior Python Software Engineer £90k £100k

Senior Python Software Engineer - £90k - £100k Base pay range Senior Software Engineer (Python / AWS) Location: London or Manchester About the Role We’re looking for a Senior Software Engineer with deep experience in Python and ...

Senior Full stack Python Typescript AI Engineer

Senior Full-stack Python Typescript AI Engineer- Outside IR35ROLEThis position is for a Senior Backend Developer working in python and typescript to support the development on a SaaS product with a focus on Ai.This role involves designing, building, and optimising sca ...

Senior Full stack Python Typescript AI Engineer

Senior Full-stack Python Typescript AI Engineer- Outside IR35ROLEThis position is for a Senior Backend Developer working in python and typescript to support the development on a SaaS product with a focus on Ai.This role involves designing, building, and optimising sca ...

Senior .NET Backend Developer (Sportsbook/iGaming)

Overview Full-time | Remote (Europe) | 100% B2B Contract | Salary DOE We looking for a Senior .NET Backend Developer to join a high-impact engineering team building one of the most demanding real-time sportsbook platforms on the market. If youe passionate about distributed systems, performan ...

Backend WordPress Developer (Remote UK Only)

Backend WordPress Developer (Remote - UK Only) We’re looking for a skilled and motivated Backend Developer to join our growing team at Zap. This role offers flexible working hours and coverage of out‑of‑office client support requests from 6 PM – 9 PM UK time. If you thrive in a fast‑paced, collab ...

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 ...

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 ...

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 ...

Lead Software Engineer

Lead Software Engineer – Backend / Cloud / AI-Focused Take the next step in your career now, scroll down to read the full role description and make your application.We’re working with a fast-growing, product-led technology company building modern customer experience sof ...

Backend Engineer

Backend Engineer Hybrid London | 3 to 4 days per week in a Central London office Neulinx have partnered with a fast-growing, Series A software company building collaborative canvas technology and developer tools used by millions of people ...

Backend Engineer

Backend Engineer Ready to make your application Please do read through the description at least once before clicking on Apply.Hybrid London | 3 to 4 days per week in a Central London office Neulinx have partnered with a fast-growing, ...

Full Stack Developer

Job Title: CRM Full-Stack Software Engineer/Developer Location: Remote (UK) Contract: Full-Time Salary: £(Apply online only) per day Overview We are seeking a talented CRM Full-Stack Software Engineer to support the development and scaling of our modern customer relation ...

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