326 to 350 of 540 Developer Jobs in London

Salesforce Developer (SC Cleared)

Hiring Organisation
Tria
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £660/day
Salesforce Developer (SC Cleared) Salesforce Developer - Public Sector (Inside IR35, SC Cleared) Day Rate: £620-£665 (Inside IR35, via umbrella) Contract Length: 6 months Location: Mainly remote, with occasional (ad hoc) travel to London Clearance: Active SC Clearance required (cannot start until transfer confirmed) The Opportunity We are seeking … experienced Salesforce Developer to join a major public sector digital transformation programme. You will work within a secure government environment, delivering and enhancing solutions on the Salesforce platform. This role offers the chance to work with cutting-edge Salesforce Industry Cloud technologies while contributing to a high-impact national project. ...

Data Science & Prototyping Developer

Hiring Organisation
Aquent
Location
London, UK
Employment Type
Full-time
Title: Data Science & Prototyping Developer Client Location: London (Hybrid) Starting: 06/01/2026 Pay Comments: Up to £613.00 per day Hours: Full-time Duration: 12 months with potential to extend Job Description: Data Science & Prototyping Developer Marketing & Communications We're looking for a highly autonomous Data Science & Prototyping … Developer to join our Marcom Data Analysis & Insights team. This role combines deep data‐science expertise with rapid‐prototyping skills to build the next generation of AI‐integrated reporting and measurement tools. You'll work closely with a lean team to transform high‐level ideas into working solutions that inform ...

Senior Front-end Developer

Hiring Organisation
Hays
Location
London, UK
Employment Type
Full-time
Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Front-end Developer within the public sector Active Security Clearance (SC) Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Working knowledge of Java and Spring Boot. Strong technical and leadership capabilities Nice to have: Immediate availability Familiarity with greenfield development ...

Senior Front-end Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550 pd (Inside IR35)
Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35 ) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Front-end Developer within the public sector Active Security Clearance (SC) Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Working knowledge of Java and Spring Boot. Strong technical and leadership capabilities Nice to have: Immediate availability Familiarity with greenfield development ...

Senior Front-end Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Front-end Developer within the public sector Active Security Clearance (SC) Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Working knowledge of Java and Spring Boot. Strong technical and leadership capabilities Nice to have: Immediate availability Familiarity with greenfield development ...

Lead Python Developer - New cutting edge AI product

Hiring Organisation
MLR Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 120,000 Annual
Python Developer - New cutting edge AI product Start-up Scale up - growth Leading Technology AI Brand SaaS - Platform based Technology Services London/City Attractive salary + equity package Our client a global technology leader is currently looking for a Lead Python Developer:- As a Lead Developer you will ...

Frontend Developer

Hiring Organisation
Mirai Talent
Location
London, UK
Employment Type
Full-time
Front-End Developer (Contract) Outside IR35 | 3 months | Fully remote (UK-based) | Immediate start We're working with an established AgriTech startup in a strong period of growth and demand, looking for an experienced Front-End–leaning Developer to support an internal product team and a long-standing contractor engineering ...

Backend Developer

Hiring Organisation
ABR Talent l Customer Success Recruitment for Start-up & Scale-up SaaS businesses
Location
City of London, London, United Kingdom
Back End Developer (C#, .NET, SQL) We're supporting a well-backed SaaS scale-up in the learning-tech space who are hiring a Backend Developer to join their growing engineering team. If you enjoy building real features end-to-end, not just patching bugs, this is a great fit. … London office Join a PE-backed, proven SaaS product with real growth ahead Small team, high ownership, meaningful work If you’re a backend developer looking for a role where you can influence the product and grow your skillset, apply here or drop me a message for more info. ...

React Developer TypeScript - Hedge Fund

Hiring Organisation
Client Server
Location
London, England, United Kingdom
React Developer/Front End Engineer (React v19 TypeScript) London/WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer you'll join a globally distributed team … degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a React Developer/Front End Engineer you will receive a competitive package: Salary to £95k Bonus Pension Self development and career progression opportunities Apply now to find ...

iOS Developer

Hiring Organisation
TRIA
Location
City of London, London, United Kingdom
Developer Focus: Banking Applications/Swift/Agile Salary: Up to £70,000 + 20% Bonus + 20% Pension Location: Central London – 1 day per week onsite Duration: 12 month FTC - Likely to extend or become permanent Join a prestigious financial services organisation renowned for its commitment to excellence … leader in the industry, they are expanding their development team to enhance digital capabilities and deliver exceptional service to their clients. As an iOS Developer, you’ll play a key role in the Digital Development team, contributing to the development of new features, enhancements, and the day-to-day operations ...

Junior Java Developer

Hiring Organisation
Venture Up
Location
London, UK
Employment Type
Full-time
Java Developer – Prop trading/Crypto firm – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* Option to work from home up to 4 days a week or fully remote. The role is junior level for someone with 1-3 years commercial experience. … integrating new crypto exchange APIs. The role would suit candidates with minimum 1 years experience in a startup/SME commercial environment. As Java Developer you will need: 1-3 years experience in Java development in a startup/SME commercial environment. 1st class STEM subject degree from ...

Senior Developer

Hiring Organisation
Experis
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
Senior Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges click apply for full job details ...

Quantitative Developer - Crypto (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
Greater London, England, United Kingdom
Quantitative Developer – Crypto (C++) | Systematic Trading | DeFi & On-Chain Data I’m currently partnered with a top-tier global quantitative & systematic trading firm that is scaling its Crypto engineering and research group . This is a unique opportunity to join a high-impact quant technology team building the next generation ...

Electronic Data Interchange Developer

Hiring Organisation
TRIA
Location
London, UK
Employment Type
Full-time
Developer Location: London/Hybrid Salary: £60,000 + Benefits A global retailer is seeking an experienced EDI Engineer to join its Digital & Data team. This role is critical in ensuring efficient electronic data exchange between the business and its partners, supporting operations through robust technical solutions. Key Responsibilities Design ...

C++ Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
C++ Developer – Market Data Up to £75,000 + Benefits + Bonuses London (1-2 days in the office) Tech: C++ and Python An award winning FinTech organisation that allows trading firms to establish their best execution strategies are seeking a Software Engineer to work on the front line ...

Python Developer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
Python Developer – Reliability Join a leading global investment management firm at the forefront of technology innovation. We’re searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated ...

Full Stack Java Developer - Java Springboot React

Hiring Organisation
SGI
Location
Greater London, England, United Kingdom
Full Stack Developer 12 Month Contract initially Bournemouth - 3 to 4 days a week onsite Rate DOE A leading consultancy are currently searching for a Full Stack Developer to join them on a 12 month contract. You will be joining a leading Financial Services organisation Tech Stack: Jave Springboot React ...

Sharepoint Developer

Hiring Organisation
Peregrine
Location
London Area, United Kingdom
SharePoint Developer Permanent | Hybrid At Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector – we are always in search ...

Dynamics 365 CE&CRM Developer

Hiring Organisation
PURVIEW
Location
London, UK
Employment Type
Full-time
Role: MS Dynamics 365 (CE) Developer CRM Location: London, UK - Hybrid Mode: Contract - Inside IR35 Note: No Sponsorship Provided We are seeking an experienced D365 Customer Engagement (CE) Developer to join our team. The ideal candidate will specialise in designing and developing Dynamics 365 CE solutions that address business challenges ...

Senior Azure Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service Bus and Dynamics 365, to join ...

Junior C# Quantitative Developer - Up to £70,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
Hiring: Junior C# Quantitative Developer | Hedge Fund | London (Hybrid) Are you a talented C# developer with a passion for finance, data, and quantitative problem-solving ? Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a Junior Quantitative Developer to work alongside experienced quants ...

Back End Developer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
London, UK
Employment Type
Full-time
Senior/Lead Backend Web Developer – Digital Experience Projects £60,000 – £65,000 Hybrid – London I'm currently partnered with a leading digital experience agency who are looking to bring in a Senior or Lead Backend Web Developer to join their engineering team. This role is a backfill ...

Quantitative Developer

Hiring Organisation
Vertus Partners
Location
London, UK
Employment Type
Full-time
Quant Developer/Analyst - Equity Algo London based I am currently recruiting for a Quant Developer/Analyst in the Equity Algo team in one of my Trading Technology clients. The role would involve analysing market microstructure and the effects it has on algorithmic trading including researching trading outcomes ...

Data Lineage Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£415/day
Data Lineage Developer** Duration: 6 Months Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview As a Data Lineage Developer, your primary responsibility will be to reverse-engineer complex source code ...

Java Developer - AI/LLM

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Senior Java Developer - AI/LLM - sought by trading company based in London - Contract (Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems and designing APIs/ ...