1 to 25 of 174 Permanent Senior Developer Jobs in London

ideally using .NET Experienced creating robust, performant RESTful applications Exposure to building/supporting open source projects, SDKs and public APIs for the wider developer community and third-party system integrators Practical experience of containerization using Docker and Kubernetes and general DevOps-forward working environments Experience of working in 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 »

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 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 boutique European hedge fund has launched a new technology arm in London to focus on a range of greenfield front office applications covering OMS, execution, market data, feeds etc. for their trading teams internally and a couple of other 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 »

Senior Back End Developer (Mobile Payments/Azure/C#) Methods are looking for a Senior Back End Developer to work on an initial 12 month programme of work with a client of ours. The position is also expected to extend for a further 12 months. … per week required on site in the Central London office location. The role has also been confirmed to fall Inside IR35. Role Overview The Senior Back End Developer will have expert knowledge of defining and building integrated solution for using: Azure DevOps CI/CD Pipelines, C# .Net … Cache, React, Typescript, JavaScript, CSS, HTML, PowerShell, Microsoft SQL Server, XML, Agile Scrum, Azure Cloud, Azure Active Directory B2C, Bicep, Microsoft Identity Platform. The Senior Back End Developer will work with all others as necessary within the project including the Product Owners, Solution Architects, Tech Lead and other more »

Role: Python Developer Salary : £140,000 P/A + Bonus + Benefits Location: London Client : Top Fintech My client is a well-established and successful tech house working in the finance sector who are looking for a Python Developer, with outstanding technical and communication skills to join more »

Company: Planet Education Networks (PEN) Job Title: Senior Software Developer Location: ONSITE, Canary Wharf, London, UK Salary: £80K - £100K (Depending on experience and qualification) Employment: Full Time, Monday to Friday (9:00 am to 5:00 pm) **Tier 2 visa available** About Planet Education Networks (PEN): Planet Education … student recruitment systems to global-scale e-learning platforms, PEN is at the forefront of shaping the future of education. Job Description: As a Senior Software Developer at Planet Education Networks (PEN), you will play a pivotal role in driving the development and enhancement of our diverse range more »

Job description Senior Unity Developer Company Descriptio n Paydirt Games is a California-based company founded by Dermot S. Smurfit in January 2024. Our team is composed of international experts in programming and avid gamers who are dedicated to exploring innovative persistent world models that challenge and transform … the traditional video games industry. Role Description This is a full-time remote contract role for a Senior Unity Developer at Paydirt Games. As a Senior Unity Developer, you will be responsible for designing and developing mobile games and using object-oriented programming (OOP) principles to 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 »

Role – Senior Consultant – Vlocity/Salesforce Developer Technology – Salesforce platform, Sales Cloud, Vlocity cloud Location – Belfast & London, UK Compensation – Competitive (including bonus) Job Description: Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would … our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role As a Senior Consultant, you are an expert at contributing to different phases of the consulting lifecycle. You will be intensely involved in; you will define the … the squad and contribute to Digital Asset Library • Expertise in the dev tooling for Vlocity e.g. IDX, Performance Profiler, DevOps etc • LWC UI Expert developer to implement Omniscript based journey for Communities Solution Mandatory: Atleast two out of three certifications from list of • Salesforce Omnistudio Developer • Vlocity CPQ more »

We are recruiting a Senior Full Stack Ruby/React Engineer for an exciting AI EdTech scale-up. This is a hands on development role initially, but will grow into a Lead/Chief Technology Officer role once the team is built. Be part of a Venture Capital backed more »

Senior Developer | Positive Impact Business | Remote (UK) | Up to £75,000 p/a 💻 Senior Developer 💰 Up to £75,000 per annum 📈 >30% YoY subscriber growth 🚉 Major re-platforming project - new greenfield features! 🛍️ Working with more than 20,000 UK companies 🤑 Saving their partners more than … retail partners and they want to continue increasing both of these figures. That's where you come in! 💼 The Role We are seeking a Senior Developer with strong experience in software development, combined with some line management experience to lead an experienced, high-calibre team of developers on … from a legacy PHP Monolith into a modern, scalable Full stack JavaScript/Typescript stack, hosted on AWS. ⭐ The Team You will play a Senior role in an efficient team of talented, cross-functional engineers, keen to learn from you and also share their own methods to help everyone more »

A leading international investment bank in London is looking for a senior Java Algo Developer with significant experience building low-latency e-trading systems within FX or Equities. This is a hands-on, Director-level position within the business, sitting with desk quants and having ownership of a more »

Full Stack Developer (Python & React) Energy Trading Hybrid (London) Cititec Talent is partnered with a key client who are supporting the Energy Marketing and Trading (EM&T) sector in delivering cutting-edge solutions. We're seeking a skilled individual to assist our Team Manager in energy trading systems development 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 »

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 »

Ensure timely delivery of new features and enhancements while maintaining code quality and security. Needs: 3-5 years of experience in a mid to senior tech role, with a proven track record of leading successful tech projects. Expertise in full-stack development, with proficiency in technologies like React, Node.js more »

architectural improvements and refining the codebase Technical Leadership - accountability for technical architecture. Software Quality Assurance. Excellent written and verbal communication skills Previous experience managing senior internal stakeholders and incorporating their change feedback to refine the product roadmap Knowledge of treasury/derivatives platforms would be helpful Technical Skills: LAMP 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 »

Role Type : Contract Title – Senior C# Engineer Client – Established Financial Institution Rate - Up to £700 P/D! (Outside IR35!) Location – London/Hybrid Duration : 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to date tech in 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 Full Stack C# Developer Location: Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices Job Type: Permanent Salary: Negotiable, plus company benefits Job Overview Triad Group Plc is seeking a skilled and experienced Full Stack C# Developer to join our … dynamic team. As a Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with associated web frameworks (React, Blazer, Angular). You will collaborate with cross-functional teams to understand project requirements, propose solutions, and deliver high-quality code that meets our clients … and methodologies. Requirements: Relevant training, qualifications and experience in software development practices (Apprenticeship/Degree/Masters etc). Proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .NET framework. Strong understanding of object-oriented programming principles. Experience with software development more »

Back Office DEVELOPER C# - LONDON £75,000 - £95,000 + excellent bonus, superb pension scheme. Part-Remote/Hybrid Clarity Resourcing is currently looking for a Senior Developer or Senior Software Engineer for the prestigious & highly successful client in London. Must be located in & eligible to … work in the UK and commutable to Liverpool Street. Genuinely superb opportunity for a hands-on Senior Developer or Senior Software Engineer to work in a tight-knit team of eight. Super small company with an enviable work-culture. Part remote, core hours, strong work-life balance. more »