1 to 25 of 211 Permanent Senior Developer Jobs in London

Job DescriptionI'm exclusively recruiting two experienced Senior Java Developers for an ambitious and growing organisation who are scaling internationally within the crypto space. Reporting into the Head of Development, you will work on a number of greenfield projects and play a crucial role in developing cutting edge projects. … interest in this space. Key Responsibilities:Develop the backend application according to the requirements and designDevelop and maintain technical documentationTest the application from a developer's standpoint (Unit test, Integration, Development environment testing)Collaborate with the UI team (Web & Mobile) to deliver comprehensive features throughout the releasesAssist the Quality more »

an environment of innovation and excellence. Location: London, United Kingdom Job type: Full time Job Summary Join our forward-thinking hedge fund as a Senior Python Developer, where you will play a pivotal role in developing and optimizing advanced trading algorithms, financial models, and data management systems to … Please specify the position you are applying for in the subject line of your email. We are eager to welcome a driven and capable Senior Python Developer to our team more »

Job DescriptionWe are working with a high growth London company who are becoming a major disruptor in their industry.They are hiring a Senior Ruby Developer with at least 5 years of Ruby experience. This is a hybrid role and you will need to work from their London office more »

Job DescriptionWe have an exciting opportunity for a driven Senior .NET Developer with expertise in Azure services, cloud infrastructure, and Elasticsearch to join our dynamic team at Thomas Cook. This role involves designing, developing, and maintaining our software solutions with a focus on scalability, efficiency, and security. If … necessary endpoints, creating secure authentication and authorization protocols, and creating reusable components. Skills, knowledge, and experience Proven experience, 3-5+ years, as a Senior .NET Developer with a strong portfolio of .NET-based projects. Proficient in C#, with a good knowledge of its ecosystems Familiar with various more »

take their platform to the next level and become a household name in the UK in the next year. They are looking for a senior developer to join their team. Key Responsibilities: A technically-minded and proficient coder, fluent in PHP, Laravel, and WordPress. Proficiency in JavaScript, JQuery more »

Role: Senior PHP Developer (Laravel/Symfony) Location: London (With UK based remote working) Salary: £70-80k If you're a Senior PHP Developer, proficient with Laravel and Symfony, looking to work in house with a SaaS product used by everyone from startups to multimillion more »

Salary: £60-78k Location: Central London – hybrid setup A worldwide recongised financial company are looking for a .NET Developer to join their team, this is the chance to be part of the largest banks in the world. The tech team is 40 in total, you will work in more »

A leading sports betting technology firm is looking for a C# Developer to join their data analytics and reporting team here in London. Due to a period of strong performance and internal growth, this is a new role that has opened up within the team. The successful C# Developer more »

Senior Python Developer Front Office London £750-£850 Per day (negotiable) Are you a Senior Python Developer with experience using Python for building enterprise systems in a financial services context? Join this leading financial services business where you'll build systems with tangible business impact. You … very strong front office track record. The role is London based with 2-3 days in the office. If you're an experienced Python Developer after a new challenge and a long term contract working with the latest technologies in a business facing role, apply online now. more »

Appian Developer Remote with occasional travel - must be UK based Up to £65,000 I'm currently looking for an Senior Appian Developer/Engineer to join a growing Data Practice for a consulting customer. About the role Working as part of an agile team, the Appian more »

Full Stack Developer - C# .NET, Angular 12+, SQL - £105,000 A great opportunity for a Full Stack .NET, Angular, SQLdeveloper to work with an established insurance based FinTech has arisen. They are going through an exciting growth period and they are looking for an experineced hands on Full Stack … developer with leadership capabilities to join their growing team. This company has a great reputation in the industry after coining a very exciting browser-based product that is used by big players such as Microsoft, Amlin, Markel and PWC. You will be working on a fantastic project that will more »

Job Role: Senior Front End Developer Location: London (hybrid working - 3 days in office) Salary: £65,000-£80,000 DOE Are you passionate about creating seamless, user-centric web experiences that push the boundaries of innovation? A leading tech company based in the heart of London is seeking … a talented and experienced Senior Software Developer to join their dynamic team. As a key player in their technology-driven environment, you will have the opportunity to shape the future of their products and contribute to the success of our cutting-edge projects. Responsibilities: Frontend Development Mastery: Utilise … or a related field. Minimum 5 years of platform software development experience in .NET, C#, SQL Proven experience (10 years) as a Front end Developer with a focus on creating dynamic, responsive web applications. Expertise in HTML, CSS, JavaScript, and from tend frameworks (React, Angular, etc.). Strong understanding more »

KDB+ Engineer – Mid/Senior The company This company is a rising star in the capital markets industry. They employ and train some of the most talented kdb engineers across the globe, and their teams are headed up by well known leaders in the industry. They work with the more »

Senior Front End Developer | Hybrid (2 Days Per Week In Office) | £85,000 | Javascript/Typescript | UX Test Frameworks | High Code Quality Want to work with one of the world's largest finance companies? With a base in almost every country in the world, this Fintech is looking … up-skilling, Medical Insurance, Home Office Fund, Fitness Fund, Charity Fund, Global Travel Fund, Training & Development Fund. We are looking for a front end developer that has; Experience in the design and development of responsive single-page/progressive web applications using JavaScript/TypeScript/HTML/CSS … software development ecosystem (IDE’s, version control, test automation/CI, etc.). If you’re keen to learn more about this Front End Developer role please click the APPLY button and a Spencer Scott representative will contact you. Spencer Scott Ltd is an equal opportunity Recruitment Agency, which more »

Job Title: Senior WordPress Developer Reports To: Head of Digital Company: Internet Matters Location: Blackfriars, London 3 days week and WFH 2 days Role type: Full-time, permanent, £50,000 – 60,000 per annum Company description Internet Matters is a not-for-profit organisation that helps parents, carers … and children are consistently and systematically heard by industry, policymakers and government. Overview of Role We are seeking an experienced, collaborative, and highly skilled Senior WordPress Developer to lead the ongoing development and maintenance of our digital products. The successful candidate will be responsible for all technical aspects … code quality, infrastructure configuration, and security. You will take the lead role in optimising site performance, technical SEO, and maintaining brand consistency. As a Senior WordPress Developer, you will demonstrate a blend of hands-on, action-oriented delivery, and strategic technical thinking. You will be a WordPress expert more »

Join a Systematic Fund currently seeking a talented individual to fill the role of Senior Java Developer contributing to the build-out of a systematic Equities platform. This role is integral to the Trading & Execution department, focusing on both the services used by the system and data management. … a focus on historic tick data. Capability to take ownership of systems and articulate past achievements. If you are a passionate and hands-on developer with a keen interest in shaping the future of financial technology, please apply to find out more. more »

Their dynamic team is dedicated to pushing the boundaries of technology and delivering exceptional results for our clients. They are currently seeking a talented Senior Java/Scala Developer to join our team and contribute to our exciting projects. As a Senior Java/Scala Developer more »

Senior Android Developer 💻 Fully remote or Hybrid 🧘 Focus days with no meetings 💵 £60k-£80K (Pay DOE) + Stock options About August August was founded in 2023 to make renting easier for Landlords & Tenants with a simple, easy app. Renting is a pain, and there are no digital solutions … report and record issue’s easily, store and access all your important documents anywhere, anytime. What you will be doing As an engineer and senior developer, you’ll have the opportunity to work on some unique challenges for our core products, driving direct impact to Tenants and landlords more »

Senior PHP Developer - Full Stack - Laravel/React Join a tech-first business who’ve created a global SaaS platform – used by some really well-known businesses! Why you could be interested? Work autonomously alongside an experienced senior team – no micromanagement here! The dev team is relatively more »

Role: Senior Python Developer - FinTech A leading FinTech, founded by ex-Quant Researchers, is seeking to expand its Core Software Engineering team in London. What You'll Do: Design, develop, and deploy in Python (time series framework, financial deal model framework, and integration with cloud computing services). … Work on performance optimization and tooling for performance tuning as well as developer tools. Requirements: 7+ years in Python. Strong understanding of software engineering fundamentals, including object-oriented programming, data structures, and algorithms. Experience in SecDB or Athena is required Familiarity with Public Cloud What Will Make You Stand more »

Senior Business Intelligence Developer Mars Petcare consists of four Divisions: Pet Nutrition, Royal Canin, Mars Veterinary Health and Science & Diagnostics. With this breadth and scale, the opportunity to create benefits for Pets and our business through data and analytics is huge and we need to seize this opportunity … customer relationships Data for Core – transforming our supply chain and power sustainability efforts Data for Science – providing the interface between data and life sciences Senior Business Intelligence Developers are responsible for creating and deploying high quality Business Intelligence products and solutions. They will work in multi discipline squads with … Product Managers, Delivery Managers, Data Engineers, Data Scientists to deliver high value products that focus on addressing some of Petcare’s biggest challenges. Senior Business Intelligence Developers are expected to lead Business Intelligence efforts in the squad they are working in, that involves supporting the product manager with stakeholder more »

A global organisation are looking for an experienced Power BI professional to join their Finance function, as the Senior Finance Data Analyst. This is a hybrid role, with 3 days per week in the London office to collaborate with your team (near Canary Wharf area). In this role more »

you have extensive C#, ASP.NET and MVC development experience, and are you seeking a new job in London? Our client is looking for a Senior C# Developer, and the hybrid role comes with a salary of up to £70,000 p/a and excellent benefits. As a … Senior C# Developer, you will work on various web applications using the latest technologies and best practices. This is a hybrid role based in London, 2-3 times per week and 1 day per month in the Kent office. In your first few weeks in this Senior C# Developer role, you can expect to: Design and develop web applications using C#, ASP.NET MVC, Entity Framework, LINQ, and other related technologies Collaborate with other developers, testers, and stakeholders to ensure the delivery of reliable, secure, and scalable solutions Write clean, maintainable, and testable code using SOLID more »

Senior Full Stack Developer (PHP/React/MySQL) £60,000-£75,000 Camden, London (Hybrid) This well-established SaaS company are looking for a Senior Full Stack Developer to join the team to lead the development of a new project (React + PHP) and maintaining … Hybrid role Up to £75,000 + medical cover, childcare vouchers, discounted gym membership, free breakfast The Role: This role would suit someone at Senior level who is passionate about Software Development and is ready to join an environment that encourages growth. Leading a team of 6 internal Developers … business as they start their development of a new project. Don't wait any longer for your next opportunity… Apply now for immediate consideration! Senior Full Stack Developer (PHP/React/MySQL) £60,000-£75,000 Camden, London (Hybrid) Oscar Associates (UK) Limited is acting as an more »

Senior Full-stack Developer - Hybrid Role Overview: Our client is looking for an enthusiastic, hard working and driven Developer to join their team and enhance their IoT Portal Platform. With a clear progression path within the organisation, we are looking for a candidate with a can do more »