Average salary: £42,050 /yearly
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- £55k - £71k per annumEstimated...Senior KDB+/q Developer London (Hybrid, 3 days on-site) Contract: 3 Months (Inside IR 35) We are seeking an experienced KDB+/q Developer... ...data, and algorithmic execution feeds across global markets. Core Requirements & Responsibilities: KDB+/q Expertise: Deep...SuggestedHybrid workingImmediate start
£60k - £75k per annum
...commercial experience with Java and Spring Boot. Experience developing microservices and RESTful APIs. Commercial frontend development... .... Responsibilities: Design, develop, and enhance our core software products. Work with developers, architects, and project...SuggestedPermanentFull-timeHybrid workingOn-siteWork from homeAvanti Recruitment
Marylebone, Greater London10 days ago£60k - £75k per annum
...commercial experience with Java and Spring Boot. Experience developing microservices and RESTful APIs. Commercial frontend development... .... Responsibilities: Design, develop, and enhance our core software products. Work with developers, architects, and project...SuggestedPermanentFull-timeHybrid workingOn-siteWork from homeAvanti Recruitment
Marylebone, Greater London10 days ago- £139k - £181k per annumEstimated...Work directly alongside world-class quantitative researchers and traders. Access massive proprietary compute clusters with 1000s of cores. Build trading systems running globally, 24/6, with proprietary capital. Exceptional compensation and elite engineering calibre....Suggested
- £51k - £66k per annumEstimated...production quality from day one. This is a role for a full stack developer who enjoys ownership, product thinking and building well — not... ...~Cloud experience (AWS, Azure) ~Familiarity with ASP.NET Core, C# or similar enterprise web backends ~Working alongside external...SuggestedPermanentFull-time
£180k per annum
...Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record... ...You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use...SuggestedFull-timeOn-siteWork from homeMonday to Friday£60k - £100k per annum
...Designing and building scalable, server-side Java services that enhance core financial systems Proactively identify and implement... ...constructive feedback to team members. Stay updated with the latest developments in Java and related technologies. Document code and processes...Suggested- £79k - £103k per annumEstimated...data plumbing that our largest clients depend on every trading day. Maintaining and modernising our FIX-based APIs is one of the team's core functions, and it's the area this role would lead on. That means real-time price distribution, order and execution flow, and...SuggestedFull-timeHybrid workingOn-siteImmediate startFlexible hours
- £61k - £80k per annumEstimated...Principal Risk. In this role, you will work closely with CRB to drive key EMEA and US regional projects, developing low-latency, event-driven trading platforms. Core Responsibilities Design, build, and optimize high-throughput, low-latency concurrent systems for agency...SuggestedHybrid workingOn-site
£350 per day
...This is a remote position. Role: React.js Developer - Contract Location: Remote Start Date: Mid-September 2026 End Date... ...Nice to have: • AWS basics, including familiarity with core cloud concepts and services. • API Gateway knowledge....SuggestedDaily payRemote- ...integration stability, and data security across our NEC ecosystem and core technical platforms. Safeguard ecosystem health across all... ...API Security Windows More: We are recruiting a Lead Developer on behalf of the London Borough of Hackney for a technical leadership...Suggested
Connect2Hackney
Hackney, Greater London6 days ago - £83k - £109k per annumEstimated...Harrington Starr have partnered with an innovative to Software Developer specialising in Crypto, FX and eFX currently developing high-performing... ...great experience in a trading desk. Key responsibilities: Core Java development and market connectivity experience Experience...SuggestedOn-site
£950 per day
...Senior KDB+/Q Developer 950/day Inside IR35 12-month contract (potential extension) Hybrid - 3 days onsite - London I'm working on a long-term contract opportunity for a highly experienced KDB+/Q Developer to join a large financial services organisation. They'...SuggestedLong-term contractHybrid workingImmediate start- £101k - £132k per annumEstimated...enterprise architecture and quantitative systems. The company is establishing its founding engineering team to design, build, and scale their core platform from the ground up, delivering high-performance solutions for complex data processing and mission-critical workflows. The...SuggestedHybrid workingFlexible hoursShift work
£90k - £100k per annum
...a proven track record of delivering quality products. From a core perspective, we’re looking for someone to lead their team by example... ...a full stack team, 2 front-end (TypeScript) and 2 back-end (Go) developers Collaborate with cross-functional teams to translate business...SuggestedLong-term contractHybrid workingOn-site3 days/week£48k - £50k per annum
...General building services maintenance Basic plumbing and water services Electrical or mechanical maintenance depending on your core discipline Diagnosing faults and carrying out repairs Monitoring plant and equipment Supporting contractors where required...Long-term contractProbationary periodMonday to FridayRotating shifts- 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...
£55k - £70k per annum
...partners, rather than a general product engineer who has only occasionally connected third-party services. You will use PHP and Symfony to develop a portfolio of production integrations while also contributing to the company’s AWS infrastructure. Location: Fully remote...Long-term contractFull-timeRemoteRotating shiftsWeekend work£45k - £70k per annum
A global technology transformation consultancy, offering a blend of strategic, creative and scientific capabilities. Proud to have been consistently recognised as a top employer in the UK, reflecting their commitment to creating an exceptional workplace for our people. If...Full-timeOn-siteFlexible hours- Job title: Front End Developer (Vue.js / React) Contract: 12 months Location: London - Hybrid Start Date: ASAP IR35: Inside IR35 Sector: Public Sector We are currently recruiting for an experienced Front End Developer to support a major Public Sector digital programme based...Hybrid workingImmediate start
- £41k - £55k per annumEstimatedCompany: IO ASSOCIATES Job Type: PermanentPermanent
£30k - £55k per annum
...Salary: £30,000 - 55,000 per year Requirements: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as our primary language. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding...Full-timeHybrid workingRullion - Eon
City of London, Greater London2 days ago£65k - £80k per annum
...Senior Full Stack Developer A unique opportunity for a Senior Full Stack Developer to join a well-funded early-stage technology company. Initially working remotely, with plans for a hybrid London office, you will play a key role in developing a cutting-edge software platform...Long-term contractFull-timeHybrid workingOn-siteRemote£60 per hour
...on Forward Deployed Engineer to join a fast-growing global team developing an intelligent automation platform for enterprise finance operations... ...from billing and trade booking to collections. Your core responsibility is simple: ensuring the entire system works reliably...Hourly payRemote£65k - £75k per annum
...Salary: £65,000 - £75,000 per annum Requirements for Senior Front-End Software Engineer: Strong commercial experience developing modern front-end applications using React, Next.js, TypeScript and REST APIs Commercial experience with front-end testing, writing...Long-term contractHybrid workingOn-siteRemote- £164k - £214k per annumEstimated...Quant Developer 200,000- 250,000 London Hedge Fund Python Research & Trading Technology Building great trading strategies requires great engineering. We're looking for an experienced Python Developer to work alongside Quantitative Researchers, designing and building...
£60k - £65k per annum
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...Full-time£383 per day
Job Title: iOS Developer Location: London (Hybrid) Contract Length: 12 Months Day Rate: £383 per day IR35 Status: Inside IR35 Overview We... ...pipelines and automated deployment processes. * Experience with Core Data or other local storage technologies. * Familiarity with accessibility...Daily payTemporaryHybrid working- £82k - £108k per annumEstimatedArchitect the platform that runs home life. We're hiring a Lead Backend Engineer to design a global, agentic-first platform for moving and home life. Fast enough for live voice. Reliable enough for agents to act on their own. 4M+ home movers a year in the UK · 28M UK households...On-siteNight shiftWeekend work
£45k - £60k per annum
Senior PHP Software Developer ? City London The ideal candidate will have sound 5 to 10 years proven commercial experience with developing software with PHP and MySQL. Must have experience of working on a Linux server with good experience of database optimisation and caching...Full-time3 days/week
