26 to 50 of 102 Senior Developer Jobs in London

Senior Salesforce Developer - Service Could - Experience Cloud - Marketing Cloud - Apex - LWC Role - Senior Salesforce Developer Salary - up to £90,000 + Benefits Location - London Bridge Working Situation - Hybrid (2x per week in the office) My client who are leaders in their field are looking … Senior Salesforce Developer who will be responsible for hands-on development, platform optimisation, and delivering scalable solutions across Service Cloud and Marketing Cloud. The role leads Apex development, configuration, and CI/CD processes, while ensuring platform stability, assessing release impacts, resolving BAU issues, and driving continuous improvement. ...

Senior Salesforce Developer (Permanent) London, UK (Hybrid) iO Associates has partnered with a technology-driven organisation delivering enterprise Salesforce CRM transformation programmes. We're looking for an experienced Salesforce Developer to design, build, and optimise AI-powered Salesforce solutions in a fast-paced, delivery-focused environment. … integration experience (REST/SOAP, OAuth 2.0, Named Credentials) Comfortable working in agile delivery teams and communicating effectively with non-technical stakeholders Salesforce Platform Developer I (mandatory) Desirable Platform Developer II Data Cloud Consultant certification Service Cloud Consultant certification Experience in enterprise Service Cloud implementations Exposure to secure ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

SENIOR SOFTWARE DEVELOPER £85,000 GUILDFORD This is an opportunity to join an innovation-led software consultancy working on complex, real-world engineering problems. The role offers high levels of autonomy, technically challenging work, and exposure to a wide variety of short-to-mid-term projects. THE COMPANY … chance to work on challenging systems rather than repetitive product features. THE ROLE Design and build end-to-end software solutions Work as a senior full-stack engineer (backend-leaning) Own delivery of complex technical problems Build, deploy and support cloud-based systems Collaborate with engineers and data specialists ...

Role OverviewSalary: £65,000 - £70,000 A remote opportunity for an experienced Software Architect/Senior Developer with strong expertise in Microsoft Dynamics 365 and related technologies. The role involves leading the application development function while maintaining hands-on technical capability across the Dynamics 365 ecosystem and integrated … Platform.* Experience with Azure services and cloud-based architectures.* API development and integration experience.* Knowledge of security, compliance and governance principles. Experience* Background in senior development, architecture or technical leadership roles.* Experience delivering enterprise-level implementations.* Exposure to working with third-party vendors and partners.* Minimum 2+ years ...

Responsibilities Senior Web Developer Are you looking for a role where you can own architecture and not just tickets? Do you want to build mission-critical modelling software used by leading insurers? This is a hybrid role with the flexibility to work both virtually and from our London ...

Senior SharePoint Developer & Administrator Location: London Employment Type: Permanent I am working with a leading international professional services firm that is seeking a talented Senior SharePoint Developer & Administrator to join its London technology team. This is an excellent opportunity to take ownership of modernising and enhancing … SharePoint 2016 solutions. Modern, user-friendly SharePoint Online intranet with meaningful customisations. Strong governance, clear documentation and scalable operational processes. If you're a Senior SharePoint specialist looking to lead impactful modernisation work within a global, forward-thinking firm, I'd love to connect for a confidential conversation. ...

Senior NetSuite Developer £500 - £550 per day (Outside IR35) This freelance opportunity offers the chance to lead complex NetSuite transformation programmes across multi-entity, international environments. You will take ownership of end-to-end solution design and delivery, working closely with senior stakeholders to shape scalable NetSuite … NetSuite solution architecture and delivery across multi-entity and multi-country implementations. Run discovery workshops, requirements gathering, and process mapping with senior business stakeholders. Design and deliver NetSuite configurations, customisations, and workflows across core finance and operational processes. Architect and oversee integrations between NetSuite and third-party systems including ...

Title: Senior KDB+ Developer Location: London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview 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 ...

Senior Software Developer, AI Engineering, London, COR7550 Are you a Software Engineer with a passion for AI and building scalable systems from the ground up? This is a rare opportunity to join as an early member, shaping both the technology and the engineering of an ambitious product … Role As a Senior Software Engineer, you’ll play a pivotal role in designing and delivering a modern, AI-driven platform. Your work will span multiple areas, from developing intelligent systems and data pipelines to contributing to scalable SaaS infrastructure. You’ll help define architecture, improve developer workflows ...

Title: Senior KDB+ Developer Location: London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview 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 ...

Senior Golang Developer - Kubernetes - Financial Services Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity's London office. You will act as the team lead and play a key role in building … Datadog. Interested? Please Apply! Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform ...

Title: Senior Full Stack Developer (React & C#.NET) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa £650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# ...

Senior Python Developer/Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus ...

Description: Senior Frontend Developer - SAP Commerce Cloud - London/Hybrid Salary - up to £60,000 Experience - 5+ years Location - central London, 2 days a week Tech - SAP Commerce Cloud Accelerator, JavaScript, TypeScript, React.js, HTML, CSS We are looking for a Front End developer to join a well … project managers, as well as 3rd parties, to deliver a range of web-based solutions and in-house' software. As a Front End developer, you'll be working on the website and adding functionality, alongside the potential to work on their mobile app and other projects too. They ...

Senior C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £130k+ Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants ...

Senior Django/Python Developer Pay Rate: up to £700 (Inside IR35 - Umbrella) Duration: 6 months' Working arrangement: Once a every 3 months - London We're working on behalf of aFTSE 100 leading UK retailer, supporting the expansion of a highly successful AI-driven Smart Pricing programme. Following … results across well-known UK household brands, the organisation is now extending this platform across its European operations and is looking for an experienced Senior Django/Python Developer to support the next phase of delivery. This is a pure backend role, focused on scalable, high-quality Python ...

Senior Python Quant Developer London (Hybrid) The company A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. The environment combines … strong engineering standards with close interaction between trading, research, and technology teams. The role This is a senior engineering technology role focused on the core analytics platform that underpins pricing, screening, and execution workflows. You’ll play a key part in designing and evolving production systems used by traders ...

Senior Salesforce Developer (FSC/Data Cloud/Marketing Cloud) London (Hybrid) Up to £90,000 + Benefits UK Passport Holders/ILR Only. We're hiring a Senior Salesforce Developer to play a key role in a major platform transformation across Financial Services Cloud, Data … Data Cloud concepts (segmentation, identity resolution, data modelling) Experience integrating Salesforce with external systems Familiarity with Agile and CI/CD practices Salesforce Platform Developer I (or working towards) Nice to have: Financial services or regulated industry experience Exposure to Marketing Cloud Next/Advanced Data Cloud or Marketing ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start/within 2 weeks notice … Inside IR35 contract £425pd - (£538pd rate to umbrella) Equivalent Approx salary Pro rata £(Apply online only)k Seeking a Senior Web Application Developer (ecommerce) with Minimum 8 years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming ...

SENIOR FRONT END DEVELOPER Salary up to £65-80k Hybrid working - 3 days per week on-site in Bromley Modern front-end stack - Vue.js, JavaScript, HTML, CSS Opportunity to shape user-facing products in a growing tech team ABOUT THE CLIENT We're working with a growing ...

Senior Software Engineer (Python/Java, AWS) London, Manchester or Cheltenham - primarily on site £60,000-£65,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and wider benefits ...

Senior Shopify Engineer | Join as part of a brand new team @ Series B Scale Up disrupter! Location: London (3 days in office) Salary: £75,000 - £95,000 I’m looking for a specialist to join a Series B disruptor shaking up a $500bn industry. They are looking to hire … Senior Shopify Engineer to own their custom theme and build a modular, high-performance ecosystem that serves as a "poster-child" for the industry. 📋 The Requirements for a Senior Shopify Engineer Shopify Plus Expert: Proven experience developing on Shopify Plus with an "inside out" knowledge of Liquid, Admin ...