151 to 175 of 355 Senior Developer Jobs in London

Trading Ltd is seeking a Senior .NET Developer to design, build, and maintain multi-asset class applications. The role focuses on Angular front-end (React acceptable) with C# .NET Core backend, Web API, and strong UX considerations. You will collaborate with IT and business teams, contributing to architecture ...

Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from … work across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture. Key Information Role: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: £416 per day (Inside IR35) Start Date: ASAP ...

Senior Quantitative Developer (C++) - Execution TechnologyAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium's mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with ...

Eurostar is seeking a Senior Software Developer to join our Digital Technology team in London. You will contribute to cloud-native software products and services, collaborate with Product Owners and Engineers, and help evolve mobile and web platforms using React, Next.js, and Node.js. The role requires delivering secure ...

technology stack. The role requires strong technical expertise, architecture understanding, and domain knowledge within booking and movement management systems. This role would suit a Senior Java Developer, Technical Lead, or Agile Technical Lead who can combine strong hands‐on engineering skills with architecture and domain understanding. Mode: This ...

Senior Full Stack Software Developer (React/TypeScript/Node) Fully remote and flexible working - £50,000 - £60,000 A fantastic opportunity for a Senior Full Stack Software Developer to join a leading HealthTech company, joining a growing remote digital team and helping to build their ...

Greater London475 - 575 per day ContractSenior ServiceNow Developer – Contract475-575/day (Umbrella) | Inside IR35 | Very occasional travelWe're looking for an experienced Senior ServiceNow Developer to join a major enterprise environment, delivering scalable ServiceNow solutions across workflows, integrations, automation and platform enhancements. Key skills:7+ years ...

Project descriptionWe are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions - to deliver ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior .Net Developer Location : Bromley (3 days per week onsite) Contract: 12 months initially with possible extension. Rate : £700 - £750 inside umbrella In connection … with the ongoing support and development of the Collateral business for Global Markets, we are looking for a strong Software Developer to join the technology teams in London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical applications ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior .Net Developer Location : Bromley (3 days per week onsite) Contract: 12 months initially with possible extension. Rate : £700 - £750 inside umbrella In connection … with the ongoing support and development of the Collateral business for Global Markets, we are looking for a strong Software Developer to join the technology teams in London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical applications ...

looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK. This is a hands-on senior engineering role focused ...

Synapri are working with a global consultancy looking to hire an experienced Senior Salesforce Developer to join their leading Salesforce practice. This role take ownership in designing, developing and delivering scalable Salesforce solutions for complex enterprise clients. Working across Sales Cloud, Service Cloud, Experience Cloud and Data Cloud … deployment tooling. Experience with Agentforce or other AI-enabled Salesforce technologies. Strong communication and stakeholder management skills. Desired skills : Salesforce certifications, including Platform Developer II, AI Specialist, or cloud-specific certifications, would be beneficial. This is a great opportunity to join a global consultancy and work on complex, large ...

Project description We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions ...

London Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential … Front-end, Platform and Security teams. Help drive continuous improvement across development practices and technical solutions. Knowledge and Skills Demonstrable experience working as a Senior Backend Developer. Strong commercial experience with Python as a primary development language. Hands-on experience developing RESTful APIs and/or GraphQL. Experience with ...

Senior Back-End Developer - .NET/C# Are you looking for a new challenge? Looking for autonomy and a seat at the table? London | Hybrid | Fintech The Role A fast-growing fintech is building a new in-house engineering team and is looking for a Senior Back … Developer to become a key technical hire. You'll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. Key Responsibilities Build and maintain C#/.NET microservices Design APIs, integrations and data models ...

display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve medium ...

culture where everyone can thrive. Through teamwork and collaboration, we're building a stronger, more resilient Stantec every day. We are seeking a seasoned Senior Full Stack Developer to join our engineering team. This role is designed for a technical powerhouse who excels in building modern web applications ...

Public Services. Consolidated revenues as of $13+ billion. For more information on how we process your personal data, please refer to HCLTech’ s Role : Senior Java Kotlin Developer HCL require two senior, experienced Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances ...

Senior Java Developer | Electronic Trading | VP/Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology … trading platforms from the US into Europe. This is an opportunity to join a business that is actively building rather than maintaining, with multiple senior hires planned over the next 12 months. You'll work alongside experienced engineers developing the next generation of low latency electronic trading systems supporting ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java/Angular/Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension … Rate : £700 - £750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java/Angular/Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension … Rate : £700 - £750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications ...

Metropolitan Police Service is seeking a Senior Software Developer to drive development of Counter Terrorism Policing systems. You will lead design and coding within a DevSecOps team, applying agile practices and ensuring secure, well-architected software. The role offers flexible home-working with a London or Birmingham office ...

McGregor Recruitment is seeking a Senior UI Developer to join a major financial services technology programme in London, working on a high-performance Single Dealer Platform supporting electronic trading. Based in the City of London, this 12-month contract role focuses on front-end development and real-time ...

Blackstone seeks a Senior Quant Developer to join the BXTI Quantitative Research and Development team in London. You will build and implement models across Equity and Fixed Income, working with risk, portfolio, trading and data models. You will collaborate with Quant Analysts, PMs and Risk teams to deliver ...

Senior Platform Engineer - Developer Platform (we have office locations in Cambridge, Leeds & London) Genomics England partners with the NHS to provide whole genome sequencing diagnostics. We also equip researchers to find the causes of disease and develop new treatments – with patients and participants at the heart … create more effective, targeted medicines for everybody. Job Description Are you passionate about automation, cloud technology, and solving complex engineering challenges? As a Senior Platform Engineer in the new Developer Platform team, you'll have the opportunity to help find solutions to common challenges faced by our product ...