Backend Developer Jobs in London

17 of 17 Backend Developer Jobs in London

Senior Backend Developer

London, United Kingdom
Hybrid / WFH Options
Rullion - Eon
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … their London office. It is a full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach … to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to resolving the complexities inherent in large-scale systems and extensive datasets. Foster close collaboration with our Product, Data More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Backend Developer

City of London, London, Farringdon, United Kingdom
Hybrid / WFH Options
Rullion - Eon
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … their London office. It is a full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: * Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. * You'll be using Python and AWS Cloud services on the backend. * Adopt a Server-less first approach … to application design, collaborating within an agile team alongside other backend engineers and product designers. * Strategize, develop, test, and deploy new features and experiments. * Engage in collaborative coding practices such as pair programming and code reviews within the team. * Contribute to resolving the complexities inherent in large-scale systems and extensive datasets. * Foster close collaboration with our Product, Data More ❯
Employment Type: Contract
Posted:

Senior Python Developer, Backend Developer, Flask

London, United Kingdom
Experis
k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance … features by working alongside engineering, product management, design, and QA teams. Promote best practices : Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code. Automation and process improvement : Increase development efficiency, reliability, and scalability by creating automated processes that streamline workflows. … with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding standards, and architectural patterns. Experience in automating builds (CI/CD), feature flags, and automated testing. Bonus Skills: Experience with message-driven systems (e.g., Google Pub More ❯
Employment Type: Permanent
Salary: £70000 - £90000/annum Benefits
Posted:

Senior Backend Developer (f/m/d) Remote (Europe)

London, United Kingdom
Hybrid / WFH Options
Randstad (Schweiz) AG
Lunar Ventures and Stride VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As Senior Backend Developer in the Product team, you are responsible for building features and designing and implementing new endpoints. This involves diverse tasks from gathering requirements and giving feedback on … team. Our Stack And How We Work About You 5+ years working with Python and frameworks like Django, Flask, or FastAPI, with a strong command of building and optimizing backend systems. Hands-on experience with relational/SQL databases, ensuring efficient and reliable data management. Well-versed in software engineering essentials such as unit testing, CI/CD, integration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End Developer - DV Cleared - Hybrid

London, United Kingdom
Hybrid / WFH Options
Experis
Back End Developer - Must have an Active DV Clearance - Hybrid Location: Bristol, London, Manchester or Cambridge Salary: £70,000 - £120,000 (depending on experience) We are seeking a skilled and motivated Back End Developer to support the digital transformation of Defence services. If you're passionate about solving complex technical challenges and building scalable, secure platforms in mission More ❯
Employment Type: Permanent
Posted:

Lead Senior Specialist (Back-end .NET Developer)

London, United Kingdom
Hybrid / WFH Options
Cooper Lomaz Recruitment Ltd
Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical foundation and More ❯
Employment Type: Permanent
Salary: £110000 - £120000/annum
Posted:

Lead Senior Specialist Back-end .NET Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Cooper Lomaz Recruitment
Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical foundation and More ❯
Employment Type: Full-Time
Salary: £110,000 - £120,000 per annum
Posted:

Senior ML & AI Backend Developer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Senior ML & AI Backend Developer You'll lead the design and deployment of scalable backend systems powering ML, big data, and LLM-driven applications. From MLOps pipelines and big data engineering to productionizing classical ML and LLMs, you'll be at the core of AI infrastructure. Key Requirements: Expert in Python, ML/AI frameworks (PyTorch, TensorFlow … Hugging Face) Proven MLOps, big data, and backend/API development experience Deep understanding of NLP and LLMs Proficient with cloud platforms (AWS/GCP/Azure), Airflow, DBT, Docker/Kubernetes Strong collaboration, problem-solving, and coding best practices Nice to have: LLM fine-tuning, streaming data, big data warehousing, open-source contributions. More ❯
Employment Type: Full-Time
Salary: £500 - £550 per day
Posted:

Senior Java Backend Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Eligo Recruitment
Are you a Back End Java Developer with experience within the iGaming and Gambling sector looking for a new and exciting challenge? BENEFITS : up to £95k depending on experience, fully remote, excellent benefits packageYou will be joining a rapidly expanding company within the iGaming sector, who are committed to providing top-tier gaming experiences to players around the world. … recognised among the top brands within our market, blending sports betting and online casino entertainment on a cutting-edge, custom-built platform. You will be a skilled Senior Java Backend Developer who is a self-motivated professional with a strong track record and a passion for excellence. You'll play a key role in developing innovative iGaming products … Your contributions will help deliver high-quality applications and services, reinforcing the company’s position as an industry leader. Core Responsibilities Work closely with the team to implement complex backend logic and platform solutions. Write clean, scalable, and maintainable code, adhering to industry best practices. Stay updated on the latest Java frameworks, libraries, and development techniques. Translate business needs More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Braze CRM Backend Developer

London, United Kingdom
Hybrid / WFH Options
Teksystems
Back-End Developer (Braze CRM Mandatory) Job Description We are seeking a skilled and reliable Back-End Developer with hands-on experience in Braze CRM to join our dynamic team. The role requires a backend-focused developer confident in navigating service-oriented architecture and solving medium-sized engineering problems while collaborating with teams across product, marketing … and operations. This is a remote position based anywhere in the UK. Responsibilities Design and implement robust backend services and microservices to support CRM functionality and campaign logic using languages such as Python or Golang. Develop and maintain integrations between Braze and internal platforms. Support the build and optimisation of campaign templates using tools like JSON, Liquid, Handlebars, MJML. … Contribute to code reviews, release cycles, and team ceremonies. Document services, features, and decisions to support long-term maintainability. Diagnose and resolve performance issues across CRM campaigns and related backend services. Support QA and deployment processes to ensure defect-free CRM experiences. Essential Skills 4+ years of backend development experience. Strong development skills in coding languages such as More ❯
Employment Type: Permanent
Posted:

Backend Developer Java Kotlin AWS

West London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in … trading silver and gold. As a Backend Developer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes … Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Backend Developer/Software Engineer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to find More ❯
Employment Type: Full-Time
Salary: £70,000 - £85,000 per annum
Posted:

Back End Developer Placement Programme

Croydon, Greater London, United Kingdom
ITOL Recruit
roles where your newly learned skills can be applied meaning a vast array of opportunities are now available to you. Examples of some of these are listed below: - Junior Developer Website Support Developer Junior Web Developer Content Editor Wordpress Developer Junior Software Developer Junior Front or Back End Development Development Support We have been helping More ❯
Employment Type: Permanent
Posted:

Backend Java Developer

City of London, London
Nexus Jobs Limited
Backend Java Developer ?" City London We are urgently looking to recruit a Java backend Developers with at least 5 years experience. Must have strong Data structures and Algorithms experience. Also experience of Spring, working with large code base, SQL, Unix etc. You should ideally have a solid problem solving and algorithm background coupled with excellent communication skills. More ❯
Employment Type: Permanent
Posted:

Back-End Developer (Visa Sponsorship Available)

London, United Kingdom
Hybrid / WFH Options
Techwaka
This is a remote position. We are seeking an experienced BI Developer to join our client's data team. In this role, you will be responsible for designing, developing, and maintaining business intelligence solutions that transform data into actionable insights. You will work closely with stakeholders to understand their analytical needs and deliver high-quality reporting and visualization solutions. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Backend Developer

London, United Kingdom
Hybrid / WFH Options
Consortia Group
One of the UK's largest media distributors is looking for a Backend Developer to be a large cog in their development wheel. The team you'll be joining is quite small so this is a great opportunity to showcase your skills and make an impact at this Central-London-based company. They are looking for someone who … can: Create backend components for mobile using Node Learn new technologies Be familiar with cloud platforms (preferably AWS) The successful Backend Developer will be rewarded with up to £80,000 plus access to benefits which include private pension, flexible working hours, and up to 3 days working from home. Great process in place for this one, just More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Tech Architect Lead PHP Back-end Developer

City of London, London
Nexus Jobs Limited
Tech Architect Lead PHP Back-end Developer Our Client is a boutique software development company specializing in the development of a retail systems platform You must at least 5 to 10 years software development using PHP and MySQL ideally on Linux environment. Whilst you would still be expected to do development work, the Client requires you to get involved … in: spec writing, assisting PMs with project planning, code reviews, architecture overview implementation You may already be a Lead Developer/Development Manager etc. with full leadership over a development team. The Client is looking to pay circa up to £65K p.a (with flexibility on salary for the right person) The role will be based in the City London. More ❯
Employment Type: Permanent
Posted:

Tech Architect Lead PHP Back-end Developer

Islington, London, United Kingdom
Jas Gujral
Tech Architect Lead PHP Back-end Developer Our client is a boutique software development company specializing in retail systems platform development. Requirements include at least 5 to 10 years of software development experience using PHP and MySQL, ideally on a Linux environment. The role involves not only development but also responsibilities such as: Writing specifications Assisting project managers with … planning Conducting code reviews Providing architecture overview Implementation tasks You may already be a Lead Developer or Development Manager with full leadership over a development team. The client is offering a salary of up to approximately £65K per annum, with flexibility for the right candidate. The role is based in the City of London. Please send your CV in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Backend Developer
London
10th Percentile
£57,500
25th Percentile
£60,000
Median
£80,000
75th Percentile
£85,000
90th Percentile
£94,000