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Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. They are looking to ...

Junior Software Engineer

AI Automation Engineer / Backend Developer Remote | Contract I’m currently working with a cutting-edge AI-focused organisation supporting the development of next-generation autonomous systems and large language model technologies. ...

Quant Developer: Build Scalable Trading Tools

A global technology-driven investment firm seeks a Quant Developer to bridge quantitative research and engineering. This role involves developing scalable software for data analysis, backtesting, and trading systems. Candidates should have a degree in a relevant field and 2+ years of experience with Python, C++, ...

Senior Full Stack Engineer: Ground Floor AI Platform Lead

RGH-Global Ltd is seeking a Senior Full-Stack Software Engineer for a pivotal greenfield project in London. The position involves building a customer-facing platform, backend automation, and architecting technical foundations from the ground up. Ideal candidates will have over 5 years of experience, strong skill ...

Senior Software Engineer GenAI & AI Products

Tesco in Welwyn Garden City is looking for a Software Development Engineer III to lead in developing and operating GenAI-powered products, including LLM applications and workflows. The role focuses on translating complex issues into production-ready solutions while ensuring reliability and user impact. The candi ...

Engineering Manager, Real‑Time Data & Backend Systems

A tech company for urban mobility in London is seeking an experienced Engineering Manager to lead a Backend team responsible for core data infrastructure. This role includes mentoring engineers, contributing to scalable systems, and ensuring data reliability. Candidates should have 8+ years in software engineeri ...

Full Stack Engineer Scale a Data Driven Insurance Platform

A leading digital insurance provider in the UK is seeking a Full-stack Engineer to drive software development on their innovative platform generating substantial revenue. You will leverage Kotlin and Python for backend and data services, while creating engaging frontend applications using React and Typescript. T ...

Principal Software Engineer Lead Secure UK Systems

A leading global aerospace and defense technology company in Manchester is seeking a Principal Software Engineer. In this pivotal role, you will design and maintain critical infrastructure, guiding teams through technical challenges. Candidates should have strong experience in backend development technologies su ...

Full Stack Engineer Performance & Design Systems

A leading freelancing platform is seeking a Full-Stack Software Engineer with 2-4 years of experience. You will work across the stack to enhance performance and user experiences. Responsibilities include solving performance issues, optimising load speeds, and collaborating with teams to build scalable systems. C ...

Full Stack Engineer AI Powered Debt Markets Platform

A leading AI platform for debt markets is seeking a Backend Engineer to develop systems and functionality for their platform using Python. The role involves collaborating with cross-functional teams to design and implement software that delivers value to clients. Ideal candidates will have experience in API deve ...

Senior Data Pipeline Engineer AI Driven & Large Scale

A leading global finance and data company is seeking a Senior Software Engineer to build scalable data pipelines. The role demands strong backend Python expertise, a solid understanding of system design, and experience with ETL workflows. You'll work closely with engineering peers and foster strong relationships ...

Senior Software Engineer

As a Senior Software Engineer at noon — the Middle East's leading e-learning platform — you'll build scalable systems that serve millions of learners. Based in London, you'll work on backend architecture, APIs, and data systems in a fast-growing EdTech company with a global engineering team. Skill ...

Senior AI Systems Engineer: Agentic Platforms & Scale

MA (Montreal Associates) is looking for a Senior Software Engineer in London (Hybrid) to join a cutting-edge AI startup. You will play a pivotal role in designing and scaling an AI platform, influencing architecture, and mentoring engineers. The ideal candidate has strong programming skills in Python or Golang a ...

Full Stack Engineer – AI for Litigation Platforms

Wexler, a leading AI company in London, is seeking an entrepreneurial Software Engineer to design and scale systems for document analysis. You'll collaborate with founders and AI engineers, focusing on building customer-facing features and backend systems using Node.js, TypeScript, and Python. Ideal candidates h ...

Associate Backend Engineer Scalable Search for 1M+ Users

Depop is seeking an Associate Backend Software Engineer to join the Search Retrieval team in London. You will work closely with Product Managers and Data Scientists, producing high-quality code for over 1 million active users daily. The role requires excellent communication skills, a strong sense of ownership, a ...

Staff Product Engineer — Fintech AI Accounting Platform

Artifact AI Ltd is looking for a senior backend engineer in Greater London to lead development in a fast-paced environment. The role entails owning significant components of the accounting software, working with Python, and possibly other technologies like Go, Rust, and TypeScript. Ideal candidates will possess ...

Impact AI/ML Engineer — Hybrid London, SC Clearance

iO Associates is seeking an AI/ML Engineer for a hybrid role in London, offering a salary between £100k and £140k, dependent on experience. The ideal candidate will have a strong software engineering background and a passion for turning complex customer problems into impactful solutions. You'll be responsible fo ...

Remote IoT Data Streaming Engineer (Go/Python)

Canonical Group Ltd is looking for a Software Engineer to help enhance their global SaaS services. The role emphasizes designing scalable backend services using Go or Python, with a strong focus on cybersecurity in IoT environments. You will work remotely with a distributed team while driving technical excellenc ...

Customer Facing ML Platform Engineer

Chalk in the United Kingdom is seeking an exceptional software engineer to develop their data platform and machine learning applications. This role involves implementing technology for customers, working closely with sales and engineering teams, and providing support for onboarding new customers. Ideal candidate ...

Senior Software Engineer

Senior Software Engineer | Start-up | Fintech | LondonAbout the CompanyHyre AI is partnering with a fast-growing, well-funded fintech startup building critical infrastructure for modern payment systems.This is a business focused on one of the most pressing challenges in financial services ...

Software Engineer C# .Net Sports Trading

Software Engineer / Developer (C# .Net) London onsite to £90k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. W ...

Software Application Engineer

The Opportunity Join a team at the forefront of underwater robotics innovation. In this role, you’ll design and deliver cutting-edge software solutions that power the next generation of subsea vehicles. Working at the intersection of advanced engineering and real-world application, yo ...

Frontend Developer (Contract)

Work on Technology That Protects What Matters At SiXworks , we build secure digital solutions that support Defence and National Security missions . Our teams work on complex problems where reliability, security, and speed of innovation matter. We’re looking for a Frontend ...

Mid Level Fullstack Engineer

Software Engineer | Bristol | Hybrid£50,000 - £65,000We are looking for a Software Engineer to join a fast growing technology business building a cloud native SaaS platform used by enterprise customers. The platform operates in a high scale, data driven environment and is moving towards more adva ...

Mid Level Fullstack Engineer

Software Engineer | Bristol | Hybrid£50,000 - £65,000We are looking for a Software Engineer to join a fast growing technology business building a cloud native SaaS platform used by enterprise customers. The platform operates in a high scale, data driven environment and is moving towards more adva ...

Senior Software Engineer AI Platform & Cloud (Hybrid)

A leading AI company in London is looking for a passionate Senior Software Engineer to design, develop, and implement the Ultralytics HUB, our AI model platform. The role involves building backend services, frontend applications, and managing cloud infrastructure. Ideal candidates should have over 5 years of exp ...

Lead Software Engineer – Scale FinTech Platform & Mentor

A high-growth FinTech company in the UK is seeking a Lead Software Engineer to guide the development of its core platform capabilities. In this role, you will be responsible for designing, building, and improving cloud-native distributed systems, as well as mentoring other engineers. Candidates must be proficien ...

Software Engineer (Python) (+ Equity) at stealth healthcare AI startup

Overview This is a role that TechTree is recruiting for on behalf of one of our clients . TechTree is an AI-driven recruitment platform working with high-growth companies. When you apply, our AI Agent matches you not just to this role , but to other relevant opportuniti ...

Senior Developer

Senior Developer Permanent (must have or be able to obtain SC Clearance) Redhill, Surrey Up to £60,000 Per Year Plus an excellent benefits package (including Pension, Bonus, Training and Development, Healthcare, etc.) Skills and Experience </h3 ...

Senior Software Engineer

Senior Software Engineer | London | £80,000 - £150,000 | Python | React Location: London-based (hybrid) Frontend: React, TypeScript Cloud Systems: GCP or AWS Are you a software engineer who enjoys shipping real products, solving tangible customer pr ...

Research Development Software Engineer

Title : Research Development Software Engineer Location: Cambridge, UK- 50 % on site End date: 30th June 26 (12 months intent) Location: A minimum of 50% per week is expected onsite rising to 60% at some point in the future. Required </ ...

Software Engineer

Software Engineer Hybrid: Central Bristol office 3 times per week. £60-£70,000 + | 8-12% bonus | Pension contributions doubled 6% = 18% Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants.< ...

Research Development Software Engineer

Title : Research Development Software Engineer Location: Cambridge, UK- 50 % on site End date: 30th June 26 (12 months intent) Location: A minimum of 50% per week is expected onsite rising to 60% at some point in the future. </ ...

Software Engineer III (Java / Spring)

.**Software Engineer III (Java / Spring)****About the team:**Our team is dedicated to unlocking the rich knowledge embedded within Elsevier’s content through our semantic data platform; this empowers researchers, clinicians, and innovators worldwide to gain new insights, make informed decisions, and accelerate p ...

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