51 to 75 of 183 Senior Developer Jobs in London

Senior Front End Developer/Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for the … past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on client dashboards and portals using React, there's approximately 70-80% Greenfield development. You'll collaborate with backend engineers … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior Front End Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme More ❯

Overview Our client is looking to hire a Senior Developer within the Divisional Business Services, Actuarial Systems Team. With a proactive approach to problem solving, you will constantly strive to improve all aspects of the actuarial systems workflow, including calculation accuracy, process automation and system performance. You will be involved in the design, implementation and testing of process More ❯

Senior IOS Developer, London/Hybrid, 6 months, £500 - £550/day (Inside IR35) As a Manager Mobile Solutions, you will play a key role in delivering award winning, interactive experiences to our clients. You will drive the translation and construction of clients’ business problems into innovative technology solutions by creating and owning the technical vision of a More ❯

Senior IOS Developer, London/Hybrid, 6 months, £500 - £550/day (Inside IR35) As a Manager Mobile Solutions, you will play a key role in delivering award winning, interactive experiences to our clients. You will drive the translation and construction of clients’ business problems into innovative technology solutions by creating and owning the technical vision of a More ❯

Senior IOS Developer, London/Hybrid, 6 months, £500 - £550/day (Inside IR35) As a Manager Mobile Solutions, you will play a key role in delivering award winning, interactive experiences to our clients. You will drive the translation and construction of clients’ business problems into innovative technology solutions by creating and owning the technical vision of a More ❯

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance to work on large-scale systems that support critical national infrastructure. More ❯

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance to work on large-scale systems that support critical national infrastructure. More ❯

carers deliver better care and for the home care companies to improve their operations and their regulatory compliance. The Role We are seeking a highly skilled and motivated Senior Mobile Developer to join our talented engineering team. This is a pivotal role that will act as a bridge between our dedicated Android and iOS developers, driving the future … will also lead a strategic initiative to leverage Kotlin Multiplatform (KMP) to abstract and share backend functionality across both platforms. This is an exciting opportunity for a forward-thinking developer to make a significant impact on a product that genuinely helps people every day. Responsibilities Feature Development: Design, develop, and implement new features for the CareLineLive Carer Companion App … latest trends and technologies in mobile development and advocate for their adoption where they can bring value to the team and the product. About you Proven experience as a Senior Mobile Developer with a strong portfolio of shipped applications on both Android and iOS. Expertise in Kotlin and a solid understanding of Swift . Demonstrable experience with or More ❯

carers deliver better care and for the home care companies to improve their operations and their regulatory compliance. The Role We are seeking a highly skilled and motivated Senior Mobile Developer to join our talented engineering team. This is a pivotal role that will act as a bridge between our dedicated Android and iOS developers, driving the future … will also lead a strategic initiative to leverage Kotlin Multiplatform (KMP) to abstract and share backend functionality across both platforms. This is an exciting opportunity for a forward-thinking developer to make a significant impact on a product that genuinely helps people every day. Responsibilities Feature Development: Design, develop, and implement new features for the CareLineLive Carer Companion App … latest trends and technologies in mobile development and advocate for their adoption where they can bring value to the team and the product. About you Proven experience as a Senior Mobile Developer with a strong portfolio of shipped applications on both Android and iOS. Expertise in Kotlin and a solid understanding of Swift . Demonstrable experience with or More ❯

Senior Full Stack Quantitative Developer Certain Advantage are hiring for a Senior Full Stack Quantitative Developer based in London on a hybrid basis. This role is on an initial contract till the end of the year with a potential to be extended for a further 6 months. Key Responsibilities Design, develop, and maintain secure, scalable, and More ❯

Senior Full Stack Quantitative Developer Certain Advantage are hiring for a Senior Full Stack Quantitative Developer based in London on a hybrid basis.This role is on an initial contract till the end of the year with a potential to be extended for a further 6 months. Key Responsibilities Design, develop, and maintain secure, scalable, and maintainable More ❯

Senior PHP Developer - Payments Team R&D London Senior Full-time Description We're on the hunt for a skilled and detail-driven Senior PHP Developer to join the Payments Development Team at Tebex. As our PHP Payments Master, you'll craft the core systems that power seamless, secure transactions for millions of gamers and More ❯

Join a team of passionate thought leaders in a dynamic and collaborative environment! Cognizant Microsoft Business Groups Business Applications team is hiring now and were looking for our next Senior Microsoft Dynamics 365 CRM Developer to join us. The Microsoft Business Group is a cloud-first, full-service Microsoft partner committed to delivering innovative technology solutions that solve … from all backgrounds What impact will you have in this role? You will be working on Dynamics 365 CRM solution implementations for Cognizants public sector customers. What will the Senior Microsoft Dynamics 365 CRM Developer be doing day-to-day? Analysing the clients business, developing an understanding of their business objectives, & identifying efficient ways D365/CRM will … add value to their business Working closely with the Senior Developer or Technical Lead Planning & executing the implementation of CRM developments, providing regular progress updates to internal & external clients Assisting with project communication & best practice throughout the system implementation. D365 Solution Management Knowledge in Performance tuning possibilities in Dynamics 365 implementations What type of experience does the Senior More ❯

Senior/Lead Software Developer required by a successful software company with an international client base. Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements. This is a hands on, Technical Lead level role. The technical focus is 'full stack' working with C# … and Angular 17. The Senior/Lead Software Developer will be responsible for Full stack development with C# and Angular 17 as part of the ongoing evolution of the company's core SaaS product Driving the product development in conjunction with the wider team and business Mentoring and upskilling less experienced developers in the team - specifically on Angular More ❯

Senior Front End Developer (React) Fully Remote - UK 3 Month Contract Rate: £450 - £500 per day (Inside IR35) We are looking to recruit a Senior Front End Developer for a global software organisation on an initial 3 month contract. This is an excellent opportunity to work hands-on with modern frontend technologies, shape the user experience More ❯

As a Senior Fullstack Developer at our innovative healthcare startup, you will play a critical role in enhancing the lives of patients with chronic diseases. We are on a mission to bring the first Hybrid Drug to market: a groundbreaking therapeutic entity that integrates mobile apps with traditional medication. We need your expertise to help us achieve this … with the latest full stack, cloud, and AI advancements. Research and propose innovative solutions to enhance patient engagement and digital health experiences. Qualifications Experience Proven track record as a Senior Full Stack Developer with at least 5 years of hands-on experience. Strong expertise in both frontend and backend development for scalable web applications. Technical Skills Frontend: React More ❯

Job Ref: Senior Web Developer - Tottenham Court Road, London Job Type: Permanent Location: Central London About Us We are a global, data-driven digital marketing agency, with key specialism in marketing automation and customer acquisition. We are looking for a senior web developer to join our small agile team. You will be responsible for 6 websites More ❯

Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least More ❯

Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote. Please read in full before applying... We need … someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to More ❯

Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote. Please read in full before applying We need … someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to More ❯

Senior PHP Developer - Remote R&D London Senior Full-time Description We're searching the farthest corners of the realm for a talented PHP Developer to join our energetic team at Tebex on a full-time basis. As the chosen one, you'll be at the forefront of the User-Generated Content (UGC) revolution, where your More ❯

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and More ❯

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and More ❯

Position : Mid/Senior React Developer Type : Permanent Location : Central Croydon - Office based position Reports to : Head of Development Salary : Competitive What are we looking for? Mid/Senior level frontend engineer with 5+ years experience in React or Next.js A proactive individual who can take initiative, propose solutions, and drive best practices An excellent communicator who … maintainable code Participate actively in code reviews Mentor and share knowledge with other team members Skills you will need or develop in this role: Proven experience as a React developer building complex, production-ready applications Proficiency in TypeScript, JavaScript(ES6+), HTML5 and CSS Strong understanding of React and its core principles, including Hooks, component lifecycle, and virtual DOM Experience More ❯

Position : Mid/Senior React Developer Type : Permanent Location : Central Croydon - Office based position Reports to : Head of Development Salary : Competitive What are we looking for? Mid/Senior level frontend engineer with 5+ years experience in React or Next.js A proactive individual who can take initiative, propose solutions, and drive best practices An excellent communicator who … maintainable code Participate actively in code reviews Mentor and share knowledge with other team members Skills you will need or develop in this role: Proven experience as a React developer building complex, production-ready applications Proficiency in TypeScript, JavaScript(ES6+), HTML5 and CSS Strong understanding of React and its core principles, including Hooks, component lifecycle, and virtual DOM Experience More ❯