26 to 50 of 394 Senior Developer Jobs in London

Senior D365 CE Developer – D365 CE, D365 Project operations, D365 Developer, Dynamics365 Customer engagement, Dynamics 365 CE, Customer Engagement, Dynamics 365, D365 CRM, ProjOps, Project Ops, Proj-Ops, Developer, Technical consultant, C#, JavaScript, Dataverse, DualWrite- UK Remote (time on site negotiable) -£80,000-£95,000 Our end user client are actively seeking a Senior D365 … CE Developer with experience in Project Operations, in particular, to work on their large-scale implementation of D365 and to provide long-term development expertise and technical support. Key Responsibilities: Lead the development, customisation, and enhancement of Dynamics 365 Customer Engagement (CE) solutions, with a strong focus on the Project Operations module. Design and implement custom plugins, workflows, business More ❯

About the role: ROLI is looking for a Senior Full Stack Developer to help grow our music learning and creation offerings. We're at a pivotal stage in our growth and are looking for an experienced engineer who is passionate about modern web technologies to join our team . As a Senior Full Stack Developer, you More ❯

About the role: ROLI is looking for a Senior Full Stack Developer to help grow our music learning and creation offerings. We’re at a pivotal stage in our growth and are looking for an experienced engineer who is passionate about modern web technologies to join our Roli.com team . As a Senior Full Stack Developer More ❯

listings, ticketing, RA-branded events worldwide, original films, and a weekly mix series that has run for 18 years. Purpose of the role: We are seeking a full-stack senior developer to join our web development team, which currently consists of around ten developers, including a dedicated apps team. Our main tech stack includes a next.js frontend, GraphQL … programmes, discounted memberships, and custom earplugs Company social events, team lunches, and discounts on RA merchandise Paid volunteering allowance for community projects and charities Regular Q&A sessions with senior leadership and ongoing training As an independent company run by dance music enthusiasts, our mission is to connect electronic music communities worldwide. Our Global Contributor Network (GCN) and international More ❯

SC Clearance is required Key Responsibilities : 10+ years of experience in software development, with a focus on both Front End and Back End development. Strong proficiency in Python. Experience with Front End frameworks (eg, React, Angular, Vue.js). Experience with More ❯

Microsoft Power Platform Developer 📍 Hybrid, London based 💰 £80,000 – £85,000 per annum Nigel Frank International is proud to be working with a leading UK organisation that is investing heavily in digital transformation. They are looking to bring on board a Microsoft Power Platform Developer to help them build out innovative, scalable business applications that drive operational efficiency More ❯

Senior/Lead Developer (C#/Python) - TOP Hedge Fund! Are you looking for a real and meaningful challenge? Do you enjoy solving problems? Are you ambitious and looking for autonomy and influence ? Central London - Hybrid working (3 days in the office and 2 days in the office) You will be joining a small but growing hedge fund … which is stable. A high-performing hedge fund is hiring a Senior/Lead Developer t o help design, build, and scale cutting-edge trading and operational systems. You'll work closely with traders, researchers, and stakeholders to deliver systems that are reliable, high-performing, and secure. Key Responsibilities Depending on your experience level, your role will include … Senior Developer Collaborate with traders and researchers to build high-performance trading systems Design data pipelines and ingest financial data from diverse sources Build monitoring and dashboard tools for real-time system health Increase test coverage and automate build/deployment workflows Provide hands-on leadership within a small, high-impact team Lead Developer Lead the end More ❯

Senior Full Stack Developer/Engineer (JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the … with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! Apply now to find out more about this Senior Full Stack Developer (JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an More ❯

One of the UKs most iconic omni-channel retailers is looking for a Senior Kotlin Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly More ❯

to integrate advanced analytics and automation. Stakeholder Management & Collaboration Work closely with the product team to ensure technical decisions align with business needs. Present technical plans and roadmaps to senior leadership and other stakeholders. What You'll Bring: Strong experience with Vue.js (or Nuxt.js) and modern TypeScript. Hands-on experience with AWS services (Lambda, S3, RDS, CloudFormation). Experience … Kubernetes. Strong knowledge of security best practices in web applications. Leadership & Business Mindset Entrepreneurial mindset - able to align technical work with commercial goals. Strong stakeholder management - comfortable engaging with senior leadership and other stakeholders. Thrives in a fast-paced private equity-backed environment - adaptable and solution-oriented. Problem-solver who thinks on their feet and challenges the status quo. More ❯

About Us At Citi, we are committed to improving developer productivity across the organization. Our team focuses on building innovative DevSecOps solutions that empower developers to deliver secure and high-quality software efficiently. We contribute to open-source projects, particularly around the CycloneDX SBOM standard, and leverage cutting-edge technologies to create impactful tools and integrations. Key Responsibilities: Design … CI/CD tools like Jenkins, TeamCity, and Tekton. Knowledge of open-source contributions, especially in CycloneDX or similar projects. Why Join Us? Work on impactful projects that improve developer productivity across Citi. Contribute to open-source initiatives and collaborate with a global team. Leverage the latest technologies and tools in a dynamic and innovative environment. Opportunities for professional More ❯

IDEXX is looking for a Senior Data Engineer to join the Veterinary Software team in London! This is an exciting opportunity for a a data engineer looking to expand their technical leadership skills and make an impact in a meaningful industry. This role will be hybrid 2 days onsite in our Wimbledon office, London. As a Senior Data … Engineer, you will lead data migration strategies and implementation across hybrid cloud environments (primarily AWS), enabling smooth and secure movement of legacy and modern systems. As a senior engineer, you'll design, develop, and optimise scalable and efficient data pipelines integrating PHP, and C applications using .NET framework backend services and React frontends. You'll utilise tools such as More ❯

to solutions that impact nearly one billion end users worldwide. Your Role at Nutrient We're looking for someone passionate about web application development. We are looking for a developer that gets joy out of having impact, increasing productivity of themselves and their team, and creating functional and attractive digital experiences that provide a great user experience for everyone. More ❯

Senior Shopify Developer- HTML/React-£95,000 London -Start Up - Hybrid My Client are now looking for Their first in-house Senior Shopify Developer to work alongside their team (i.e., substantially contribute to design and development efforts) but also act as team leader ensuring that the team: Is proceeding unimpeded as efficiently as possible. Is More ❯

Senior Shopify Developer- HTML/React-£95,000 London -Start Up - Hybrid My Client are now looking for Their first in-house Senior Shopify Developer to work alongside their team (i.e., substantially contribute to design and development efforts) but also act as team leader ensuring that the team: Is proceeding unimpeded as efficiently as possible. Is More ❯

Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C#/.NET More ❯

Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C#/.NET More ❯

Senior Trading Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C#/.NET/ More ❯

Synechron is looking for an experienced Senior UI Developer to join our dynamic Digital Practice, based x3 days a week from our London offices. Working for a well-known global bank the initial project is multi year designing new application portals working with a large experienced team. Role: Design new application portals for configuration, monitor dashboards, and client More ❯

Synechron is looking for an experienced Senior UI Developer to join our dynamic Digital Practice, based x3 days a week from our London offices. Working for a well-known global bank the initial project is multi year designing new application portals working with a large experienced team. Role: Design new application portals for configuration, monitor dashboards, and client More ❯

We are a female founded company, with a culture focused on diversity and inclusion amongst our entire team. About the Role We have an exciting opportunity for a talented Senior Front End Developer to join our London based scrum team. The Technology team is primarily offshore but are looking to build out a London scrum team to be … frameworks and tools such as vue.js, graphql, docker and Kubernetes as well as migrating to Google Cloud Platform. We are on a journey so are looking for a great developer but also someone that can bring their own expertise to push forward our overall technical excellence. Skills & Experience Significant experience with a JavaScript framework for front end development, preferably More ❯

Senior Python Engineer – Cloud & Data Orchestration Hybrid (1–2 days/week in office) | £140k+ Package | Security-Cleared or Security Clearable required Location: London | Sector: Intelligence, Analytics & Secure Data | Process: 3 stages Our client is a mission-driven consultancy delivering high-impact intelligence, research, and technical services to governments and private sector clients globally and the brand are well … best practices, and legacy tech modernisation Collaborating with a multidisciplinary group including intelligence analysts, researchers, and domain specialists Supporting clients working in highly sensitive and secure environments Ideal Background Senior/Lead/Founding Software Engineer, startup/hands on CTO, or Lead Architect experience, ideally in cloud-native or high-scale data environments Strong background in Python and More ❯

Senior Python Engineer – Cloud & Data Orchestration 📍 Hybrid (1–2 days/week in office) | 💼 £140k+ Package | 🕵️‍♂️ Security-Cleared or Security Clearable required Location: London | Sector: Intelligence, Analytics & Secure Data | Process: 3 stages Our client is a mission-driven consultancy delivering high-impact intelligence, research, and technical services to governments and private sector clients globally and the brand are well … best practices, and legacy tech modernisation Collaborating with a multidisciplinary group including intelligence analysts, researchers, and domain specialists Supporting clients working in highly sensitive and secure environments Ideal Background Senior/Lead/Founding Software Engineer, startup/hands on CTO, or Lead Architect experience, ideally in cloud-native or high-scale data environments Strong background in Python and More ❯

big on shared ownership. If you love turning fresh ideas into working code that solves real problems, you'll fit right in. We're looking for a Full-Stack Developer at a Senior level. You're someone who can grow into our future Lead Engineer, partnering with the technical founders to ship bold, user-focused features and keep More ❯

in people who want to shape the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Mission As a Senior Fullstack Engineer at Smartcat, you'll be at the forefront of shaping our platform's future. You'll lead the development of cutting-edge features, optimize our application's More ❯