1 to 25 of 64 Backend Developer Jobs in London

Backend Developer/Software Engineer (Go/Node Pub/Sub) Remote/Hybrid to 120k + EquityAre you an experienced Backend Developer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges You could be progressing your career at a high growth … technology company whose messaging platform powers millions of real-time interactions for developers and businesses worldwide.Your role:As a Backend Developer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems ...

Backend Developer/Software Engineer (Go/Node Pub/Sub) Remote/Hybrid to £120k + Equity Are you an experienced Backend Developer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high … growth technology company whose messaging platform powers millions of real-time interactions for developers and businesses worldwide. Your role: As a Backend Developer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems ...

Backend Systems Developer - Build the integrations that keep a high-growth digital business moving. Salary: £40,000 - £60,000 Location: Hybrid (3 Days - Runcorn) About the Opportunity We're partnering with an ambitious technology-driven organisation that's investing heavily in its engineering capability. They're looking … experienced Backend Systems Developer to help build and enhance the integrations that sit at the heart of a large-scale digital platform.This is an opportunity to work on business-critical systems where reliability, scalability and performance genuinely matter. You'll be developing the services that connect customer-facing ...

# Backend DeveloperSenior LevelLondonPosted 8 days ago### Role OverviewWe are heavily recruiting a Senior Backend Developer to spearhead our core infrastructure in London. Central to this role is the expert development of robust server-side logic, sophisticated e-commerce API systems, and high-stakes database handling. … database queries (SQL/NoSQL) to handle massive high-throughput performance.* Collaborating synchronously with frontend engineering divisions to cleanly integrate user-facing systems with backend pipelines.### Perks & BenefitsFlexible hybrid work scheduling from our prestigious London hub or remote environmentsExtended remote work flexibility optionsGold-standard healthcare, dental, and visionary benefitsAggressive ...

C# Backend Developer – Hedge Fund Up to 95,000 + BonusQuant Capital is urgently looking for a C# Developer to join our high profile client.A $1billion strong Hedge fund with performance figures of 13%. They trade a number of products across but mainly FX in both … working on is porting existing systems to C# and modernising adjacent systems and applications. This would be a great opportunity for a senior developer looking for a role with a large amount of responsibility and the ability to have an input on design and architecture decisions.One of the second ...

C# Backend Developer – Hedge Fund Up to 95,000 + BonusQuant Capital is urgently looking for a C# Developer to join our high profile client. A $1billion strong Hedge fund with performance figures of 13%. They trade a number of products across but mainly … working on is porting existing systems to C# and modernising adjacent systems and applications. This would be a great opportunity for a senior developer looking for a role with a large amount of responsibility and the ability to have an input on design and architecture decisions. ...

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 ...

Senior Backend Developer with Umbraco C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce … application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business ...

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 ...

000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionSenior Backend Developer with C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well … award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspectiveCollaborating with the front end developer and design resource to deliver improved UI & UXA problem solver - you'll need to be able to analyse and suggest improvements to existing website ...

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 ...

Trading Software Firm, City of London, 40 man flat Dev TeamPay: 85k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant is urgently looking for a junior and senior C# Software Engineer to join our high profile client.Current challenges greenfield trading platform ...

Trading Software Firm, City of London, 40 man flat Dev TeamPay: 80k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant is urgently looking for a junior and senior C# Software Engineer to join our high profile client.Current challenges greenfield trading platform ...

Backend C# Developer Cyprus – 10% Tax Rate Quant Capital is urgently looking for a C# to join our high profile client. Our client is a $10 billion strong Hedge fund with performance figures of 18%. You will be joining a cutting edge technology for a top quantitative … Degree in science/computing/numerate/engineering field. Strong understanding of software development in C# or Java and object oriented programming Strong Backend experience Strong understanding of database development, ideally with SQL Server, T-SQL stored procedures, functions, indexes and query optimization. Experience ...

Backend DeveloperCyprus – 10% Tax RateRelocation possible, must have EU Passwort as no sponsorhsip available. Quant Capital is urgently looking for a to join our high profile client.Our client is a $10 billion strong Hedge fund with performance figures of 18%.You will be joining a cutting edge technology … MUST have:Degree in science/computing/numerate/engineering field.Strong understanding of software development in C# or Java and object oriented programmingStrong Backend experienceStrong understanding of database development, ideally with SQL Server, T-SQL stored procedures, functions, indexes and query optimization.Experience in the use of both Windows ...

Backend C# Developer- Quant Fund200,000 Plus Bonus4 days in the office – some room for negotiationQuant Capital is urgently looking for a Senior Backend C# Developer to join our high profile client.Our client is a $5 billion strong systematic quant commodity trading fund with excellent recent … have a deep understanding of code not just the ability to read the language, expectations are high so if you are not a serious developer, don’t waste your time.My client is based in LondonC# Winforms, Quant Fund, Developer, .NET, SQL VBA VS 2010 Visual studio ...

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 ...

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 ...

sector, Methods is now 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 … specialists to 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 ...

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 – Data Fabric/Platform Engineering Location: London (Hybrid) Employment: Permanent Salary: £70,000 – £90,000 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 … 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 ...

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 ...

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 ...

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. Our work ...

Basic information Location Bristol, Cambridge, London, Manchester Business Line Technology & Transformation Job Type Permanent/FTC Date published 07-Sep-2026 Req # 24471 Job description Connect to your IndustryDo you want to be at ...