1 to 25 of 40 Backend Developer Jobs in London

Backend Developer (Python)

Location
City Of London, England, United Kingdom
Backend Developer (Python) 6 Months London (Hybrid) £550-650 per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high-performing … engineering team within a global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing Kubernetes ...

Backend Developer (Python)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day Inside IR35
Backend Developer (Python) 6 Months London (Hybrid) £(Apply online only) per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high … performing engineering team within a global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £800 per day
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … full-time role, 37 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 ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels ...

Remote Software Developer (Backend)

Location
Greater London, England, United Kingdom
About the Role Our client is actively seeking a talented and experienced Remote Software Developer (Backend) to join their engineering team. This role is focused on designing, developing, and maintaining robust, scalable, and high-performance backend systems and APIs that power their innovative applications. You will work … capacity, collaborating with a distributed team of engineers, product managers, and designers to deliver exceptional software solutions. This is an ideal opportunity for a backend specialist who is passionate about building efficient and reliable server-side logic and thrives in a flexible, remote work environment. Key Responsibilities Design, develop ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential … role is full-time, 37 hours per week, with one day per week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application ...

Backend Developer

Location
Greater London, England, United Kingdom
ethical AI and privacy (GDPR compliance) make it a user‐friendly yet enterprise‐grade solution. About the Role We are looking for a Backend Developer who can independently manage, maintain, and evolve Fogsphere’s microservices codebase and proprietary libraries. You will be responsible for implementing new product features … maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform. This role requires strong ownership, hands‐on problem‐solving, and the ability to work within a distributed, cloud‐native environment. Key Responsibilities Develop, maintain, and optimize backend ...

Mid-Level Backend Developer

Location
Greater London, England, United Kingdom
Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency based in London with a team of 20 employees. Estimated Benefits Health Insurance Retirement Savings Plan Paid Time ...

Backend Java Developer

Location
Greater London, England, United Kingdom
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 ...

backend developer for developer documentation

Location
Greater London, England, United Kingdom
Описание Apple’s documentation engineering team creates developer tools and framework-level support for documentation workflows on the developer website and Xcode. The team develops backend technology, products, infrastructure, and tooling for reliable documentation systems. Задачи Produce well-tested, performant, and reliable code for multiple maintained systems ...

Senior Fullstack Developer – Backend First

Location
Greater London, England, United Kingdom
Design, build and ship features end-to-end across web, mobile and backend as needed Own meaningful pieces of the product surface and the systems that back them Raise the bar on code quality, testing and engineering hygiene in the team Mentor more junior engineers through pairing, reviews … deliver customer value Learn and apply AI-powered tooling Requirements 5+ years of professional software engineering experience Strong skills in at least one backend language: PHP or Go High level of competency in TypeScript Comfortable owning features from idea to production with minimal hand-holding Solid grounding in software ...

Backend Developer - AWS/Typescript/Serverless Architecture/AWS Lambda

Location
Greater London, England, United Kingdom
building a significant private sector client portfolio. Methods was acquired by the Alten Group in early 2022. We are looking for talented Backend Developers to join a digital delivery team working on services that make a real difference to people across the UK. You will work as part … build, improve and maintain secure, scalable and reliable digital services used by millions of people. You will be responsible for designing and developing backend services and APIs, working with cloud-based technologies and serverless architectures to deliver robust and maintainable solutions. This is an opportunity to work on meaningful ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
Greater London, England, United Kingdom
Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services … deterministic rule engines, SQL planning/interception, and high-throughput services that sit on the critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query ...

Senior Backend Developer

Location
Greater London, England, United Kingdom
Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer … quality, we would love to welcome you to our team. Key aspects of the role include Architectural Delivery: Designing and building end-to-end backend subsystems using Go, ensuring our codebases remain modular, maintainable, and built to scale. Quality & Security: Championing engineering excellence through constructive peer reviews and proactive ...

Backend Developer – AWS, TypeScript, Serverless Architecture, AWS Lambda

Location
Greater London, England, United Kingdom
Design, develop and maintain high-quality backend services using TypeScript • Design and implement serverless, cloud-native solutions • Develop and maintain AWS applications and services, including AWS Lambda • Build secure, scalable and reliable APIs and backend services • Translate user and business requirements into maintainable technical solutions • Write clean, well … documentation, knowledge sharing, development standards, patterns and best practices • Support an inclusive engineering culture and mentor colleagues where appropriate Requirements Strong commercial experience developing backend services and APIs Strong proficiency in TypeScript Experience designing and developing solutions using serverless architecture Strong practical experience with AWS cloud services Strong experience ...

Software Developer-Backend (SFIA4)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Youll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. Our work culture ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
Overview Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. ...

backend developer for public-sector digital services

Location
Greater London, England, United Kingdom
secure, end-to-end business and technical solutions, with a strong focus on public-sector digital services. Задачи: Design, develop and maintain high-quality backend services using TypeScript; Design and implement solutions using serverless architecture and cloud-native development principles; Develop and maintain applications and services using AWS, including … Lambda; Build secure, scalable and reliable APIs and backend services; Translate user and business requirements into reliable, maintainable technical solutions; Write clean, well-tested and maintainable code following modern software engineering practices; Collaborate with frontend and mobile developers, designers, product managers, QA professionals and other technical specialists within ...

Senior Backend Developer

Hiring Organisation
Rullion - Eon
Location
City of London, London, United Kingdom
Employment Type
Contract
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role … full-time role, 37 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 ...

Platform Engineer: Core Backend & Developer Tools

Location
Greater London, England, United Kingdom
Jain Global LLC in London is seeking a Core Platform Developer to design and build shared backend services, frameworks, and tooling that improve how internal teams develop, deploy, and operate software. The role emphasizes platform engineering, API standards, and observability across services. The ideal candidate has extensive backend ...

Senior Platform Engineer: Backend & Developer Tools

Location
City Of London, England, United Kingdom
Jain Global is seeking a Core Platform Developer to design and build shared backend foundations used across the firm. The role focuses on platform capabilities that improve how teams build, deploy, and operate software. The ideal candidate will create reusable services, frameworks, and tooling, spanning API enablement, observability ...

Backend developer

Location
Greater London, England, United Kingdom
implemented SQL and NoSQL database designs in a big data context and has previously worked with agile methodologies. Responsibilities: Bridge the gap between backend web development and data science teams Work on backend data pipeline development Integrate backend web services with databases/data warehouses Develop cutting ...

Senior Backend Developer (Django/Python)

Location
Greater London, England, United Kingdom
side components that integrate seamlessly with client applications. Contribute to architectural improvements and maintain high standards of code performance and maintainability. Build and extend backend features using internal and third‐party APIs (e.g., Modulr, Truelayer, Checkout.com) to support lending products including loan applications, collections, and payments. Develop internal tools … Work alongside front‐end and product teams to build innovative solutions that empower users to manage their finances more effectively. Experience designing and scaling backend services from scratch, with solid understanding of microservices architecture and distributed systems. Commercial experience in high‐scale startups. Years of experience is a poor ...

Lead Backend Developer - Java, AWS & Kubernetes

Location
Greater London, England, United Kingdom
leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical leadership within the development team. Candidates should have strong experience in AWS, SQL, and agile ...

Senior Fullstack Developer (Backend First)

Location
Greater London, England, United Kingdom
company, we’re combining expertise to offer a full-service, frictionless parking solution for both businesses and consumers. About the role The Senior Fullstack Developer ships high-impact product features across JustPark’s stack, working closely with product, design and other engineers to deliver value tocustomers. You’ll design … build and ship features end-to-end across web, mobile or backend as needed, own meaningful pieces of the product surface and the systems that back them, and raise the bar on code quality, testing and engineering hygiene in your team. The role works with engineers in code reviews ...