376 to 400 of 526 Developer Jobs in London

Core Developer (Python) - Algo Trading Firm - London - Up to £350k+ TC (DOE) One of London's most impressive Algo Trading firms is looking for Engineering Wizards to join their team in London. Having arguably one of the best technology teams in the world, the firm is in a stage … last 2 years). In the role, you would be focusing on highly scalable distributed systems, working directly with the Lead Core Developer, the CTO and other various internal stakeholders. The system you would be designing and the building will be written on Linux, in Python, but will communicate with ...

Junior Software Developer/Engineer (Rust HFT) London/WFH to £90k Are you a bright, ambitious Software Engineer with a first class education? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Junior Software Developer/Engineer … collaborative and pragmatic with great communication skills, keen to learn and progress What's in it for you: As a Junior Software Developer/Engineer you will receive a competitive package: Salary to £90k Significant bonus Pension Hybrid working Career progression Apply now to find out more about this Junior ...

Full Stack Developer X2 (Mid-Level React.js, Node.js) Product Development (Remote, UK-based) £50k - £60k Full Stack Software Developer required to join our clients growing Product Development team. This is a unique opportunity to work remotely in the UK, contribute to modern digital platforms, and shape the future ...

Data Science & Prototyping Developer Looking for a contract that actually lets you build cool stuff This team is creating the next wave of AI-powered marketing analytics tools and they are seeking an inventive Data Scientist/Prototyper to bring ideas to life. You'll take high-level concepts ...

ServiceNow Developer (GRC)| 12+Month Contract | Outside IR35| Remote We are seeking an experienced ServiceNow Developer with expertise in Governance, Risk, and Compliance (GRC) to join our client’s team. The ideal candidate will be responsible for designing, developing, and implementing ServiceNow GRC solutions that align with business objectives and regulatory … requirements. Required Skills & Experience Proven experience as a ServiceNow Developer , with a focus on GRC modules . Strong understanding of ServiceNow architecture and scripting (JavaScript, Glide API). Experience with ServiceNow integrations using REST/SOAP APIs. Knowledge of ITIL processes and risk/compliance frameworks. Ability to work ...

Endur Developer 12 months London x2 days onsite Inside IR35 - Umbrella only Skills required Very strong sql skills .Net Endur developers Understanding of settlements process in Endur Templates and generation scripts and ability to write open components Crystal templates Settlement desktop set up Understanding of Deal life cycle and ETRM ...

Endur Developer 12 months London x2 days onsite Inside IR35 - Umbrella only Skills required Very strong sql skills .Net Endur developers Understanding of settlements process in Endur Templates and generation scripts and ability to write open components Crystal templates Settlement desktop set up Understanding of Deal life cycle and ETRM ...

Salesforce Developer We are looking for Developers to build powerful solutions across Salesforce , SFI Insurance Cloud , and Omnistudio . What Youll Do: Lead Salesforce & SFI Insurance Cloud implementations Build with OmniStudio (DataRaptor, FlexCards, OmniScript) Guide teams & work directly with clients Drive end-to-end solution design, delivery & integration What ...

Quantitative Developer - London/Remote 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems Requirements: 2+ years quant dev or HFT experience Expert C Python ...

Developer {MedTech} North London, Remote £70,000 - £80,000 + Remote + Company Benefits + Training + Progression Are you a PHP Developer that wants to work for an industry leading interactive training provider that is leading the way in medical device training, where you can genuinely build software that … freedom to shape architecture, improve how we build software, and drive the next generation of our products. This role would suit an experienced PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea ...

Developer {MedTech} North London, Remote £70,000 - £80,000 + Remote + Company Benefits + Training + Progression Are you a PHP Developer that wants to work for an industry leading interactive training provider that is leading the way in medical device training, where you can genuinely build software that … freedom to shape architecture, improve how we build software, and drive the next generation of our products. This role would suit an experienced PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea ...

C# Oracle PL/SQL Developer for Tier 1 bank in Canary Wharf Role - C#, Oracle, PL/SQL Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 per day (Inside IR35) Tech Stack C# ...

Python Quant Developer - Hybrid - London - Up to £120k base + 40%+ bonus Stuck in the red tape and bureaucracy that is investment banking? Tired of projects not going into production? Looking to transition and make the jump to the buy side? A global investment management fund (~$10 billion … looking for a Python Developer to help them build and maintain a research environment that facilitates diversified systematic strategies in the commodities space. You will take on development projects for the fixed income side of the business, improving existing systems and developing greenfield ones, having a lot of direct impact ...

Specification: Mid-Level Salesforce Developer (FinTech) Location: Hybrid Employment Type: Full-time Level: Mid-Level About the Role We are seeking a skilled Mid-Level Salesforce Developer to join my clients growing fintech engineering team. You will be responsible for developing, enhancing, and maintaining our Salesforce platform to support high … Experience integrating Salesforce with external systems. Strong problem-solving skills and ability to work independently in a hybrid environment. Desirable Skills Salesforce certifications (Platform Developer I/II, Administrator, or other relevant). Experience in the fintech or financial services sector. Knowledge of CI/CD pipelines (e.g., GitHub Actions ...

Junior Rust Developer – Crypto Market Maker Location: London A leading global crypto market maker operating across major digital asset exchanges is searching for strong junior Rust engineers to join their trading desk. The firm provides deep liquidity and efficient pricing through cutting-edge technology in a fast-moving, highly quantitative … environment. We're seeking a Junior Rust Developer to join its front-office technology team in London. The successful candidate will work on low-latency, high-performance systems that directly support 24/7 trading operations, collaborating closely with senior engineers and trading stakeholders. Key Responsibilities Maintain and enhance peripheral ...

Lead Frontend Developer | Remote | £75,000-£80,000 | We're supporting a long standing client of ours, a mission-driven FinTech who continue with their digital evolution and we're looking for a Lead Frontend Developer who wants to make a real impact. This is your chance to take full ...

Role Lead Java Developer Fixed Income Position Contract 12 months extendable Location London Hybrid Rates Good Day Rates Job Description: We are seeking a talented Senior hands-on Java Developer to join our core Fixed Income team in a lead role. In this role you will help design, develop ...

Front Office Developer - Multi-Asset Trading | London £Competitive + High Bonus + Excellent Benefits Hybrid Working (3 days in the office and 2 days from home) Permanent Role Represented by Robert Half Limited Ready to combine your STEAM mindset with cutting-edge trading innovation? Join a leading global trading firm … Front Office Developer, where you'll design and build the next generation of high-performance systems, algorithms, and data-driven solutions that power live trading decisions across asset classes. You'll collaborate with world-class developers and quants, gaining exceptional exposure to both technology and markets all within a culture ...

Title: Observability Developer/Engineer Location: Hybrid (UK, with travel as required) Employment Type: Full-time This role is with Morela please respond to for further informaiton Do you want to be part of something special? Morela is proud to represent our exclusive client , a fast-growing start-up transforming … your chance to join a team shaping the future of observability and operational intelligence from the ground up. We are seeking a skilled Observability Developer to design, build, and optimise observability solutions that help enterprise clients gain actionable insights from their logs, metrics, traces, and events. In this role ...

Title: Observability Developer/Engineer Location: Hybrid (UK, with travel as required) Employment Type: Full-time This role is with Morela please respond to (url removed) for further informaiton Do you want to be part of something special? Morela is proud to represent our exclusive client , a fast-growing start … your chance to join a team shaping the future of observability and operational intelligence from the ground up. We are seeking a skilled Observability Developer to design, build, and optimise observability solutions that help enterprise clients gain actionable insights from their logs, metrics, traces, and events. In this role ...

Contract Role Lead Full Stack Java Developer £600 Outside ir35 Remote 12/1 Start 31/3 Finish Skills Java NodeJsKotlin, Spring BootTerraform KubernetesDockerRequirements SC Clearance Lead Experience ...

YC47002 An IT company is currently recruiting a Power Platform Developer to join their London office. In this role, you will be responsible for designing, developing, and operating business applications using Microsoft Power Platform. The ideal candidate should have experience in Power Platform and Power Apps development, business flow design … from Monday to Friday SALARY: £40k–£65k, depending on experience, negotiable START: Jan 2026 or Feb 2026 LOCATION: London Power Platform Developer Main Responsibilities: Design and implement business applications using Power Apps Design and implement business flow automation using Power Automate Cooperation design and implementation with databases such as Dataverse ...

Python Developer - Break into BANKING! Are you a Python Developer with 1-4 year's experience? Want to break into banking? Or already working for a bank and want to work for a high performing hedge fund? Looking to work in a hedge fund? Looking for a hybrid working role … intersection of data, technology, and rigorous research. They're lean, agile, and scaling-backed by performance, not bureaucracy. They're now hiring a Python Developer to help evolve their infrastructure, turbocharge their research and trading systems, and sharpen their competitive edge. What You'll Be Doing: Build and scale high ...

Developer (Adobe Campaign) 12-Month FTC Up to £70,000 London Bridge, Hybrid We’re looking for an experienced Adobe Campaign Developer to join a leading media organisation on a 12-month fixed-term contract . You’ll play a key role in delivering customer communications … working (London-based team) Join a highly collaborative team as they prepare for an exciting platform transition If you’re a technically skilled CRM Developer who enjoys being part of a creative, data-driven environment — we’d love to hear from you. ...

ColdFusion Developer Location: London 2x a week Contract: 3 months Rate: Competitive market rate, Outside IR35 This is an excellent opportunity for an experienced ColdFusion Developer to join a leading global business that support major brands. ColdFusion Developer Responsibilities Develop, maintain, and optimise ColdFusion/CFML applications across customer-facing ...