Average salary: £78,750 /yearly

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  • £51k - £68k per annumEstimated
     ...based technologies preferably GoogleCloud but AWS or Azure experience applies - Has built microservices to support FE development for Web and Mobile applications Other Experience: Swagger / Postman / Auth0 / database and cloud functions Database - Postgres (or other)... 
    Web

    Software Engineering

    London
    more than 2 months ago
  • £400 per day

     ...AWS using AWS CDK. Baseline knowledge of web networking, including TLS, DNS, and load...  ...systems in production. Responsibilities: Develop resilient backend microservices using AWS-...  ...will work on automated traffic routing, end-to-end observability, client configuration... 
    Web
    Hybrid working

    SJIT

    London
    8 days ago
  • £70k - £91k per annumEstimated
     ...that people should be able to control and be rewarded from their own data. Gener8’s consumer products include IOS and Android apps, a web browser and a browser extension. Our products enable people to transparently share their data with Gener8, whilst preserving their privacy... 
    Web
    Full-time
    Work from home

    Gener8

    London
    15 days ago
  • £62k - £83k per annumEstimated
     ...product information, checkout process and end-to-end e-com user experience, to our customers...  ...success.  What You'll Do Design, develop, and maintain robust and scalable backend services...  ...the needs of various client applications (web, mobile, and third-party integrations).... 
    Web
    Permanent
    On-site

    On

    London
    17 days ago
  • £62k - £80k per annumEstimated
     ...breaking down, and resolving bugs Mentoring and supporting junior developers What we’re looking for Solid experience in software...  ...with message queues (e.g. NATS, Pub/Sub) Experience building web services using REST and SOAP Working knowledge of Kubernetes... 
    Web
    On-site

    IntelliSense.io

    Cambridge, Cambridgeshire
    a month ago
  • £57k - £76k per annumEstimated
     ...code/APIs to support applications both for web and mobile Collaborate regularly in a...  ...quality assurance teams, designers and other developers to translate business requirements into...  ...technical solutions Collaborate with Front-end developers to integrate user-facing... 
    Web
    Immediate start

    TransPerfect

    London
    a month ago
  • £51k - £68k per annumEstimated
     ...platforms empower our partners to develop lifesaving drugs, forecast...  ...empowering both developers and end-users to work optimally. If you...  ...architecture and building custom web apps to conducting workshops with...  ...insights that feed directly back into our development process, helping... 
    Web
    Full-time
    Temporary

    palantir

    London
    a month ago
  • £72k - £96k per annumEstimated
     ...Requirements Architect and oversee highly scalable, secure web applications, services, and APIs, ensuring high performance and reliability...  ...development workflows, integrating AI coding agents to improve developer velocity, code quality, and maintainability across the team.... 
    Web
    Extra income
    Full-time
    Hybrid working
    On-site
    Work from home

    Yapily

    London
    14 days ago
  • £76k - £101k per annumEstimated
     ...building complex software systems across the full development lifecycle ~ Strong backend engineering skills with experience building modern web applications ~ Deep knowledge of Python and familiarity with frontend technologies like TypeScript ~ Hands-on experience with... 
    Web
    Long-term contract
    On-site

    CarbonChain

    London
    a month ago
  • £74k - £98k per annumEstimated
     ...engineering primarily on the backend services and web application hosted tools and systems of...  ...IC, running code reviews, mentoring other developers, leadership & involvement in early...  ...our salary bands are benchmarked at the top end of the market) Equity options Pension... 
    Web
    Full-time
    Summer work
    Hybrid working
    Flexible hours

    9fin

    London
    16 hours ago
  •  ...Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and...  ..., coding and debugging Golang based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring... 
    Web
    Shift work

    Zaizi

    London
    21 days ago
  • £133k - £195k per annumEstimated
     ...trillion in crypto transactions. As a Back-End Engineer on our Cryptocurrency Trading Platform...  ...APIs and WebSocket streams that serve our web and mobile clients. You'll work closely...  ...workflows to client-facing APIs. Develop and improve services for order management,... 
    Web
    Full-time
    Apprenticeship
    On-site
    Remote
    Flexible hours

    Blockchain.com

    London
    26 days ago
  • £58k - £74k per annumEstimated
     ...9 countries. Our customer ecosystem spans web, iOS, Android, CarPlay, Android Auto & Automotive...  ...Manager and backend team, you will help develop the critical logic and resilient platform...  ...-moving industry and influencing how the back-end scales to keep Electroverse at the... 
    Web
    Full-time
    Shift work

    octoenergy

    London
    25 days ago
  • £72k - £95k per annumEstimated
     ...engineering primarily on the backend services and web application hosted tools and systems of...  ...code reviews and mentoring of junior developers, involvement in early research and experimentation...  ...salary bands are benchmarked at the top end of the market) Pension (your minimum... 
    Web
    Full-time
    Summer work
    Hybrid working
    Flexible hours

    9fin

    London
    16 hours ago
  • $40 - $50 per hour

     ...Build MCP servers in Python using FastMCP . Integrate web or desktop applications into RL Studio . Work with APIs...  ...similar frameworks. Experience integrating third-party apps or developer tools. Familiarity with web apps, databases, and... 
    Web
    Remote job
    Summer work

    Mercor

    London
    a month ago
  •  ...active user base. We need knowledge of databases and general web development. We expect experience supporting game servers from...  ...experience working with custom tech stacks and collaborating with developers outside the immediate team when needed. We need strong communication... 
    Web
    Full-time
    Hybrid working
    Immediate start
    Remote

    Experis

    Holborn, Greater London
    13 days ago
  • £56k - £74k per annumEstimated
     ...this opportunity because you will… Design, develop, test, deploy, maintain and improve...  ...experience  You have experience developing web applications with strong knowledge of algorithms...  ...experiences that keep guests coming back. In 2025, DoorDash acquired SevenRooms to... 
    Web
    On-site
    Remote

    SevenRooms, a DoorDash company - United Kingdom

    London
    a month ago
  • £50k - £70k per annum

     ...just the needs of Autotrader.co.uk. Utilising our public-facing web services and additional external data sources means that we'll be...  ...and process millions of events per day. As a team, our software developers are responsible for ensuring service availability and... 
    Web
    Full-time
    Part-time
    Summer work
    Hybrid working
    On-site
    Remote
    Work from home

    Autotrader

    Manchester
    6 days ago
  • £61k - £81k per annumEstimated
     ...responsibilities Contribute to end-to-end solutions in the form of...  ...architectural patterns. Develop secure code so that our customers...  ...professional experience as a back-end software engineer Experience...  ...systems, RESTful APIs and web technologies Familiarity with... 
    Web
    Long-term contract
    On-site

    JPMorgan Chase & Co.

    London
    more than 2 months ago
  • £70k - £85k per annum

     ...platform applying modern AI technology to a highly specialized and meaningful domain. Requirements Strong experience with Python web frameworks such as Django or Flask Proficient with RESTful API design and implementation Experience with SQL databases such as PostgreSQL... 
    Web
    Full-time
    Flexible hours

    NLPatent

    London
    21 days ago
  • £60k per annum

     ...tools and applications to keep our users safe online. We have developed a suite of features and applications, including TotalAV, Scanguard...  ...of their technical background. The Team & Tech: The Web Development team is an integral part of the business. We manage the... 
    Web
    Full-time
    On-site

    Total Security Limited

    Fareham, Hampshire
    11 days ago
  • £67k - £89k per annumEstimated
     ...bringing ideas to life, you’ll thrive here.   ~ Building scalable back-end services and APIs using Java and Spring Boot.  ~ Designing...  ...to enable continuous deployment.  ~ Understanding how modern web applications work end to end, from browser requests and API calls... 
    Web
    Full-time
    Fixed-term contract
    Hybrid working
    On-site

    Charlotte Tilbury

    London
    14 days ago
  • £50k - £60k per annum

     ...and scale our regulatory reporting platform. You'll own features end-to-end — collaborating directly with product to shape requirements...  ...production software in Python ~ Experience with FastAPI (or a similar web framework) ~ Strong SQL skills and hands-on production experience... 
    Web
    On-site
    Work from home
    5 days/week
    Flexible hours

    Suade

    London
    14 days ago
  • £71k - £91k per annumEstimated
     ...Track record of monitoring the quality of deploys and troubleshooting of production systems Strong knowledge of the end-to-end architecture of the web, from end-user device to a service in a data center Master's degree in CS, CE or equivalent experience   #LI-PA1 What... 
    Web
    Hybrid working
    On-site
    Remote
    Monday to Thursday
    5 days/week
    Flexible hours

    Roku

    Cambridge, Cambridgeshire
    a month ago
  • £79k - £101k per annumEstimated
     ...Job responsibilities Deliver end-to-end solutions in the form of...  ...architectural patterns. Develop secure code so that our customers...  ...on professional experience as a back-end software engineer Experience...  ...systems, RESTful APIs and web technologies. Knowledge of messaging... 
    Web
    Long-term contract

    JPMorgan Chase & Co.

    London
    more than 2 months ago
  • £60k - £80k per annum

     ...just the needs of Autotrader.co.uk. Utilising our public-facing web services and additional external data sources means that we'll be...  ...and process millions of events per day. As a team, our software developers are responsible for ensuring service availability and... 
    Web
    Full-time
    Part-time
    Summer work
    Hybrid working
    On-site
    Remote
    Work from home

    Autotrader

    Manchester
    20 days ago
  • £70k - £95k per annum

     ...from you. About the role We're seeking Senior Python Developers to join our back-end development team.  This is a varied and challenging...  ...with coding in Django and the Django Rest Framework, or Flask Web frameworks Degree in Computer Science (or similar), at 2... 
    Web
    Full-time
    Hybrid working
    On-site
    Monday to Friday

    Xelix

    London
    20 days ago
  •  ...We are looking for an experienced   Boomi Developer   to design, build, test and support integration solutions using the Boomi Enterprise Platform...  ...and deployment. Knowledge of REST, SOAP, XML, JSON and web services. Experience with connectors such as Salesforce, NetSuite... 
    Web

    Numentica LLC

    City of London, Greater London
    29 days ago
  • £65k per annum

     ...Health, Some Flex Working C# Backend Developer Fintech Quant is urgently looking for...  ...techies, those who are motivated by the sharp end of technology and the possibility of...  ...based in Central London WPF  C#, MVC 5 Entity Framework, Web API, Design Patterns... 
    Web
    On-site

    Quant Capital

    London
    more than 2 months ago
  • £61k - £82k per annumEstimated
     ...fit right in. What You’ll Work On: Expand our access to new liquidity providers, through advanced web scraping and reverse engineering techniques. Develop and maintain low-latency real-time data feeds, based on the data extracted, to support trading strategies... 
    Web
    Hybrid working
    On-site
    Work from home
    Monday to Thursday
    Flexible hours

    Mustard Systems

    London
    21 days ago