326 to 350 of 681 Web Development Jobs in London

engineer, you will have extensive experience building software to solve impressively difficult problems through past projects, designs, or GitHub contributions. Must haves: Expert with Web Development (Typescript/React). Familiarity with front-end and back-end development and full-stack frameworks. Preferred haves: Expert with Python. More ❯

with a global leader in customer loyalty and travel services. We're looking for Lead Engineers with a strong background in full-stack JavaScript development to join their growing team. As a Lead Engineer, you'll act as the technical pillar of a team of 5–7 engineers, working … technical experience with the Full Stack JavaScript ecosystem A track record of success in mentoring, technical leadership, and stakeholder engagement Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (React.js, Node.js, AWS, TypeScript) and a solid understanding of web More ❯

to identify, diagnose, and resolve defects in our platform Implement small changes and enhancements to improve system functionality and performance Contribute to the design, development, and deployment of microservices in a .NET environment Monitor system performance and reliability, proactively addressing potential issues Develop and maintain automation tools to streamline … as a software developer Strong proficiency in .NET 7 or .NET core programming and microservices architecture Strong proficiency in C#, HTML and CSS for web development Knowledge of GraphQL, Kafka data streaming, Blazor service and ASP.NET core Experience with AWS and containerization technologies (e.g., Docker, Kubernetes) Familiarity with … working - work from home and/or in our London Office Employee Assistance Program Company Pension (Salary Sacrifice options available) Access to training and development Buy and Sell holiday scheme The opportunity for "work from anywhere/global mobility" Seniority level: Associate Employment type: Full-time Job function: Engineering More ❯

products, including tools like Blueback Avary and Blueback Investigator, which are integral to our clients' success. What You'll Do Lead the design and development of sophisticated software solutions. Translate scientific literature and client needs into functional software features. Architect and deliver substantial product features, ensuring scalability and performance. … You Bring Proficiency in C# or a similar programming language. Strong analytical skills with the ability to work with numerically complex solutions. Experience in web development technologies such as HTML, CSS, and Blazor is advantageous. Familiarity with geoscience software and workflows is a plus. Knowledge of version control … on being inclusive, super skilled, and fuss fighters. Our commitment to creating a great place to work is evident in our support for personal development, work-life balance, and a forward-thinking approach to technology. With over 800 employees across nine countries, we offer a diverse and collaborative environment More ❯

Your Skills and Experience: Perl development and testing skills Requirement gathering experience Experience of API definition Experience in front end web development including HTML, JavaScript, and CSS. Experience of SQL, database tuning Understanding of the pros and cons of compile-to-JavaScript languages. Agile practices, test driven … development, test automation and continuous delivery. Experience with source code control products such as BitBucket, Git, Jira Experience defining/documenting standards and processes in a large Enterprise environment. More ❯

AI-powered advice on this job and more exclusive features. About The Team/job We are recruiting a Project Leader to spearhead the development of the RNAcentral and Rfam databases. Rfam and RNAcentral are key resources for RNA Biology that serve tens of thousands of users every year … Alex Bateman who will oversee progress and provide scientific input. About The Team/job We are recruiting a Project Leader to spearhead the development of the RNAcentral and Rfam databases. Rfam and RNAcentral are key resources for RNA Biology that serve tens of thousands of users every year … data, maintain the continuous operation of the websites and online services, and ensure the completion of grant objectives. You are expected to drive the development of RNAcentral and Rfam, both from a technical and scientific perspective. This will require keeping abreast with scientific advancements in RNA science, fostering and More ❯

a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including planning the technical architecture to building an MVP, refining it through iteration, tackling the odd bug, and ensuring we're ready for … working on live, user-facing products. Strong problem-solving skills with a growth mindset and the ability to iterate quickly. Deep expertise in modern web development technologies: TypeScript, ReactJS, NextJS, and NodeJS. Experience working with CSS, component libraries and design systems (ChakraUI, Tailwind or similar). Some knowledge … of GraphQL for API development and integration. Proficiency with Docker and containerisation. A continuous learning mindset and adaptability in a fast-paced, evolving startup environment. Genuine excitement at the opportunity to work on products that serve diverse users and contribute to a team that values different perspectives and experiences. More ❯

SoBold is a high-performance, WordPress website design and development agency based in London. We are a dedicated team that all share the same values in the production and delivery of our work. Our values are kindness, accountability, creative thinking, awareness and teamwork. We are looking for an ambitious … report directly to the Technical Director. You must be confident and willing to bring innovative ideas to the table. Work Composition 50% Back End Development 30% Testing/Quality Assurance 10% Supporting Junior Colleagues 10% Front End Development Key Responsibilities Researching, planning and then developing more complicated pieces … of back end functionality that can be used on high traffic websites and web platforms. Ensuring smooth deployment of functionality and fixes ensuring they are thoroughly tested. Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement. Collaborating with the front-end developers and More ❯

SoBold is a high-performance, WordPress website design and development agency based in London. We are a dedicated team that all share the same values in the production and delivery of our work. Our values are kindness, accountability, creative thinking, awareness and teamwork. We are looking for an ambitious … report directly to the Technical Director. You must be confident and willing to bring innovative ideas to the table. Work Composition 50% Back End Development 30% Testing/Quality Assurance 10% Supporting Junior Colleagues 10% Front End Development Key Responsibilities Researching, planning and then developing more complicated pieces … of back end functionality that can be used on high traffic websites and web platforms. Ensuring smooth deployment of functionality and fixes ensuring they are thoroughly tested. Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement. Collaborating with the front-end developers and More ❯

Senior Software Engineer, you will bring extensive experience, lead in designing new features, and help define the long-term technical direction. Duties & Responsibilities Lead development of the InSight PACS Viewer application Develop software following the SDLC process Participate in design and code reviews Help define the technical architecture Promote … implementation and support Stay current with industry developments and share knowledge Perform other duties as necessary Qualifications Required Skills and Experience Expertise in Windows development using C# and WPF or XAML-based technologies (8+ years) Strong understanding of Design Patterns and SOLID principles Experience with TDD/Unit Testing … NUnit, JustMock, FluentAssertions) Ability to interpret technical information Clear technical communication skills Additional Competencies Experience with C++, C CLI Web development experience with JavaScript/TypeScript, React, WebPack Knowledge of SQL, PostgreSQL or Sybase Familiarity with DICOM and HL7 standards BSc/BEng or higher in Computer Science More ❯

maintenance. What can you expect from this role? You will be working with Dynamics 365 CRM and Power platform solution and technical architecture, solution development, delivery, and configuration for Cognizant’s public sector customers. What will you be doing? Your responsibilities include the below – not restricted to it: You … on experience in configuration, customization, and extension of Dynamics CRM. Performance tuning possibilities in Dynamics 365 implementations. You will have experience of Power Platform development: Power Apps Portals, Model-Driven/Canvas Applications, Microsoft Dataverse, and Power Automate. You will have experience of working with SQL Server 2008, or … should have hands-on experience of programming and coding, most specifically in the following: .NET Framework Version 4.5, or above, including strong WCF/Web API experience and C# OOPS concepts. Knowledge of Web development in HTML, CSS, JSON, XML, Javascript, and SQL. It will be a More ❯

to contribute to a unified codebase that supports both a robust SaaS platform and advanced AI capabilities. You will be involved in the full development lifecycle—from architectural design and database modelling to the integration of LLMs—helping to shape intelligent, user-centric features. Key Responsibilities Design, develop, and … maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly … MySQL Develop type-safe RPC endpoints using tRPC for seamless frontend-backend communication Rapidly adapt to a modern development stack and contribute to high-velocity feature delivery Required Qualifications Demonstrated experience working within integrated codebases that include both application logic and AI/LLM components Proficiency in React.js, Next.js More ❯

growth and investment, specifically within our high-priority systematic trading and analytics systems. We are seeking a hands-on Engineering Lead to drive the development of our next-generation quantitative development platform serving the Equities Cash, Derivatives, and Prime businesses. This is a unique opportunity to make a … friction in coding, building and deploying APIs and client libraries. Real-world application of generative AI prompt engineering and RAG pipelines. Full-stack HTML5 web development skills. Desired Skills: Understanding of Equities Cash, D1 & Deriv market mechanics and products via sell-side trading projects Familiarity with low-latency … Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to More ❯

growth and investment, specifically within our high-priority systematic trading and analytics systems. We are seeking a hands-on Engineering Lead to drive the development of our next-generation quantitative development platform serving the Equities Cash, Derivatives, and Prime businesses. This is a unique opportunity to make a … friction in coding, building and deploying APIs and client libraries. Real-world application of generative AI prompt engineering and RAG pipelines. Full-stack HTML5 web development skills. Desired Skills: Understanding of Equities Cash, D1 & Deriv market mechanics and products via sell-side trading projects Familiarity with low-latency … Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to More ❯

Full-Stack Engineer and be part of a growing group of skilled software engineers, data modellers and quant analysts. Together, we're driving the development and maintenance of LCCC's cutting-edge digital platform, powering multiple applications like settlements tools, forecasting systems, calculation engines, data portals and much more. … technologies and industry trends to drive innovation within the team. Skills, Knowledge and Expertise At least 3 years’ experience of coding in a Python web-development framework, preferably Django. At least 2 years’ experience of coding in a front-end capacity (preferably React). Container-related tools – e.g. … Docker, Docker Compose. RESTful API development and management. Proactive Performance Tuning. Solid understanding of design patterns and relevant implementation models. Solid understanding of DevOps tooling, GitLab, CI/CD, Jenkins, build pipelines and source control systems. Working knowledge of cloud infrastructure services (preferably AWS): compute, storage, networking, hybrid connectivity More ❯

a microservice-based Pre-Trade and Pricing platform for the Global Equity Derivatives business. Migrating Excel-based pricing, parameter, and risk management tools onto web applications on the Azure cloud Analytics platform. Collaborating with trading, sales, structuring, and technology teams within the Equity Derivatives business, which includes exchange-listed … degree from a recognized university; degrees in Computer Science, Engineering, or Mathematics are preferred. Excellent team player with a strategic outlook and rapid application development skills. Strong technical skills in at least one core programming language (Java or C#) and one scripting language (Python, JavaScript, ReactJS + TypeScript). … Solid understanding of data structures and algorithms. Knowledge of web development, Equity Derivatives, Kafka, Kubernetes, Docker, SQL, KDB, Excel/VBA, and Unix programming is a plus. Good understanding of testing methodologies; familiarity with TDD/BDD is advantageous. LI-GB About UBS: UBS is the world's More ❯

in London. This role is ideal for someone who’s passionate about crafting clean, scalable, and user-centric interfaces using TypeScript , Next.js , and modern web technologies. You'll play a key role in building products that power global teams, helping drive technical excellence and UI innovation across multiple time … solving complex UI/UX problems, and is ready to grow into a leadership or mentoring role. Key Responsibilities: Develop and maintain high-performance web applications using TypeScript , Next.js , and React Translate complex product requirements into clean, maintainable, and scalable UI components Work closely with backend, DevOps, and product … deliver seamless end-to-end experiences Ensure applications are accessible, responsive, and optimized for performance across browsers and devices Champion best practices in frontend development, code reviews, testing, and CI/CD integration Contribute to UI/UX improvements and help shape frontend architectural decisions Mentor junior developers as More ❯

broader community of Axon engineers What You Bring Bachelor's Degree in Computer Science, Engineering, or related field 1- 3 years of professional software development experience Experience designing and delivering highly-available, scalable cloud-based systems Development experience in languages such as Java, Scala, Go, C++, or similar … Experience with frontend technologies, especially React, and a solid understanding of general web development practices Experience working with SQL or NoSQL data stores Experience using Docker and Kubernetes Familiarity with CI/CD tools like Jenkins, GitHub, TeamCity, ArgoCD, etc Experience working in an Agile environment Preferred Qualifications … Private Health Insurance Cash Plan including Dental, Optician and Therapeutic Treatment Plans GymPass Subscription Life assurance (x4 Annual Salary) Group income Protection Employee Assistance & Development Programs Benefits listed herein may vary depending on the nature of your employment and the location where you work Don't meet every single More ❯

in a dynamic, high-energy environment. Join our team and help shape the future of Vision AI. ? Location and Legalities This full-time Frontend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in the UK … as Ultralytics does not provide visa sponsorship. ? What You'll Do As a Frontend Web Developer at Ultralytics, you will be a key architect of the Ultralytics HUB, our flagship platform for building and deploying AI models. You will create intuitive, high-performance user interfaces that make cutting-edge … computer vision accessible to everyone. Key responsibilities include: Designing, developing, and maintaining responsive web applications using Nuxt.js, TypeScript, and Tailwind CSS. Building seamless user experiences for model training, validation, and deployment, including advanced data visualizations for performance metrics. Integrating with backend services and managing user authentication with tools like More ❯

to make impactful decisions. Gain strategic insights into management topics with the opportunity to actively contribute, working closely alongside leadership and executive peers. Rapid development opportunities, attractive performance bonuses, and the opportunity to strengthen your leadership skills and business expertise Step into a stable, forward-looking role within a … poised to shape the fast-growing Security & Compliance industry WHAT YOU’LL NEED TO STRIVE IN YOUR NEW POSITION At least 8 years of web development as a full-stack developer At least 2 years of experience as a technical leader Strong foundation as a full-stack engineer … you! Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at DataGuard by 2x Sign in to set job alerts for “Software Team Lead” roles. London, England, United More ❯

Research provides expertise in Research Software Engineering, Research Infrastructure Engineering and Data Governance to researchers through direct collaboration, training, one-to-one advice, policy development and community activities. About the role King’s e-Research team are again expanding our Research Software Engineering function to support a wide range … of projects and activities across the College. This advert is for a specialist in web development who will be working primarily on the PharosAI project (more information below). The e-Research team is a rapidly growing Department at King’s College London (KCL) which has been created … Our team of Research Software Engineer s ( RSEs ) elevate the level of computational- and data-science proficiency across campus, by: Contributing directly to software development underpinning research projects, Developing and delivering training on computational- and data-science skills, Providing guidance to PhD students and researchers developing their own code More ❯

Endeavour Recruitment has an exciting opportunity for a Senior Web Developer to work for a famous household name, with an excellent salary and benefit package in London. As a successful applicant, you will be responsible for development and maintenance of internal web based applications and SQL reporting. … is a Business facing role with the primary responsibilities: Design, develop and maintain business applications for WWS clients Application evaluation and product selection Integrate web applications with a range of leading third party software Development of GISP compliant applications Provide third Line Support, including troubleshooting and bug fixing … and develop SSRS reports to fulfil business intelligence requirements Required Skills: C# OOP Design Pattern .Net Framework Microsoft MVC 4/MVC 5 Microsoft Web form application TFS Web API Entity Framework IIS SQL Server SSRS Reporting Html5 CSS3 Jquery TDD/BDD Unit testing Mock framework Experience More ❯

in decision making as we continue to grow and scale. We give all our employees share options so they participate in the growth and development of the business. We offer a combination of remote and office (London based) working, weekly team lunches and plenty of office snacks! For more … data engineers, data analysts, and product team to turn complex datasets into intuitive and insightful user experiences. Key Responsibilities Design and develop robust, scalable web applications with a strong focus on large scale datasets & data visualization. Collaborate with product team and data science team to translate user needs into … leveraging modern technologies and large-scale datasets. You'll be part of a dynamic team that values innovation, learning, and collaboration. Required Skills & Experience Web Development: Proficient in React and TypeScript. Data Visualization: Experience with libraries such as Highcharts and D3.js. Testing: Familiarity with Jest and Playwright or More ❯

trading and sales tools for the desk with a side focus of integrating proven solutions The candidate will be participating in the design and development of cutting-edge infrastructure, systems, and applications (both client and server side) used by Front Office to provide streamlined and revenue-generating services to … Pre-Trade and pricing platform for the Global Equity Derivatives business. Migrating Excel-based pricing/param/risk management tools onto service-based Web apps on strategic Azure cloud Analytics platform The candidate will be expected to closely liaise with trading, sales, structuring and the technology groups in … language (Java/C#) and one scripting language (Python, Javascript/ReactJS + TypeScript). Solid background in data structure and algorithms. Knowledge of Web development will be a plus. Knowledge of Equity Derivatives will be a plus. Knowledge of Kafka, Kubernetes, Docker, SQL, KDB, Excel/VBA More ❯

develop groundbreaking products and technologies. About the Role: Dow Jones is seeking an experienced and strategic Senior Product Director of SEO to lead the development and execution of our SEO roadmap. In this senior role, you will oversee the optimization and evolution of our SEO strategy, ensuring we continuously … to drive innovative SEO solutions and impact. As a leader in the engineering team, you will be involved in every aspect of the product development process, from brainstorming and ideation to production launch and ongoing development. You will work closely with an engineering organization to ensure initiatives launch within … and collaboration skills for cross-functional work. Experience managing large-scale SEO efforts in complex digital ecosystems (e-commerce, SaaS, etc.). Familiarity with web development languages (HTML, CSS, JavaScript) is a plus. Proven success in driving SEO growth for large websites or platforms. Experience with Agile methodologies More ❯