1,251 to 1,275 of 1,317 JavaScript Jobs in England

Hybrid Working: We take a flexible approach to hybrid working, recognising that office attendance may vary depending on your location, role and team needs. Don’t let office attendance put you off applying. The expected ...

Senior Python Developer £675 daily inside IR35 6 months Hybrid working (2 days per week onsite in either London, Bristol or Manchester) *Current SC Clearance is required for this role so ideally live SC or ...

Our client is a cyber security company. Our Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid ...

developer to join our team in London. You will enhance our in-house frameworks and core applications, tackling new features and bug fixes with JavaScript, Node.js, and React. Collaborate with project managers, designers and engineers to tailor solutions that meet business needs, uphold quality, and embrace DevOps practices including ...

Microquery, you will be expected to: Have an excellent knowledge and understanding of PHP, HTML5, CSS 2/3, HTML 4.0, XHTML, DHTML, JavaScript, AJAX Be proficient in JavaScript frameworks like JQuery, and so on Be proficient with CMS like Drupal, WordPress Be a keen learner, able to work ...

C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing your career at a highly successful technology business ...

range of business-critical systems across customer management, order processing, logistics and internal operations. You’ll work primarily with PHP, Laravel and MySQL, alongside JavaScript, HTML/CSS, REST APIs and Vue.js. The role will involve a mix of maintaining live systems, developing new functionality and improving existing applications, with … Investigate and resolve issues within live production systems. Work with MySQL, including queries and optimisation. Develop and integrate REST APIs. Support frontend development using JavaScript, HTML and CSS. Contribute to components built with Vue.js. Improve and redevelop existing application modules. Take increasing ownership of enhancements and development projects. Balance planned ...

seamless digital experience for students, faculty, and visitors while showcasing research, programmes, and institutional information. Job Duties and Responsibilities HTML/CSS/JavaScript Content Management Systems (WordPress, Drupal) Responsive web design SEO and Google Analytics Web accessibility (WCAG 2.1) PHP or Python Version control (Git) Database management Attention … detail Communication and collaboration Qualifications HTML/CSS/JavaScript Content Management Systems (WordPress, Drupal) Responsive web design SEO and Google Analytics Web accessibility (WCAG 2.1) PHP or Python Version control (Git) Database management Attention to detail Communication and collaboration By clicking the link above or any third-party link ...

requirements into effective digital solutions. The role offers an excellent opportunity to strengthen your WordPress development expertise while expanding your knowledge of HTML, CSS, JavaScript, PHP, website security, performance and responsive web development. Duties & Responsibilities Build professional, fully functional and user-friendly WordPress websites from initial concept through to completion. … development best practices to deliver secure, fast and responsive websites across desktop, tablet and mobile devices. Maintain and develop technical knowledge of HTML, CSS, JavaScript, PHP and other relevant web development technologies. Stay informed about web development trends, technologies and software while continually developing your technical skill set. Education & Skills ...

Front End Developer - £45K Wolverhampton based - 2 days per week onsite working I'm currently looking for a talented Front End Developer with strong JavaScript and TypeScript experience to join a development team working on modern, scalable web applications. This is a great opportunity for a developer who enjoys building … developers to deliver solutions that meet business objectives and project deadlines. Your responsibilities will include: Developing and maintaining modern web applications using React, Next.js, JavaScript, and TypeScript. Building and maintaining integrations between applications, APIs, and databases. Writing clean, efficient, maintainable, and well-tested code, with experience in C# also forming ...

measurable value. The ideal candidate will have experience building and maintaining full-stack applications in a startup or product-focused environment, combined with strong JavaScript and TypeScript skills. Any experience with LLMs, AI tooling, cloud infrastructure or modern SaaS platforms would be highly advantageous. The Role: Build and ship full … reliability, scalability, security and performance Work closely with founders, designers and customers to shape product direction The Person: Commercial full-stack development experience Strong JavaScript, TypeScript and React skills Experience building APIs, backend services and database-driven applications Exposure to LLMs, AI tools or modern AI development workflows Product-focused ...

shape how the team uses AI as a core part of the software development process. This is a great opportunity for a full stack JavaScript/TypeScript engineer who wants genuine ownership, broad technical exposure and the chance to work in an increasingly AI-native engineering environment. The platform … customer is at the heart of everything they do. The role Build and iterate on customer-facing features, APIs and internal tooling using JavaScript/TypeScript Work across frontend and backend, taking ownership from initial scoping through to delivery Use AI as part of the development process to build, test ...

deliver measurable value.The ideal candidate will have experience building and maintaining full-stack applications in a startup or product-focused environment, combined with strong JavaScript and TypeScript skills. Any experience with LLMs, AI tooling, cloud infrastructure or modern SaaS platforms would be highly advantageous.The Role:Build and ship full-stack … based solutionsImprove platform reliability, scalability, security and performanceWork closely with founders, designers and customers to shape product directionThe Person:Commercial full-stack development experienceStrong JavaScript, TypeScript and React skillsExperience building APIs, backend services and database-driven applicationsExposure to LLMs, AI tools or modern AI development workflowsProduct-focused mindset with ...

measurable value. The ideal candidate will have experience building and maintaining full-stack applications in a startup or product-focused environment, combined with strong JavaScript and TypeScript skills. Any experience with LLMs, AI tooling, cloud infrastructure or modern SaaS platforms would be highly advantageous. The Role: Build and ship full … reliability, scalability, security and performance Work closely with founders, designers and customers to shape product direction The Person: Commercial full-stack development experience Strong JavaScript, TypeScript and React skills Experience building APIs, backend services and database-driven applications Exposure to LLMs, AI tools or modern AI development workflows Product-focused ...

Elsevier is seeking a Senior Software Engineer I to design and implement scalable Java and JavaScript applications. You will join the Identity & Access Management team, contributing to authentication and authorisation infrastructure on AWS ECS and EKS. Expect challenging research, design, mentoring, and collaboration with product and customers to translate requirements ...

practices. Support CI/CD processes and ensure robust testing standards. Requirements Proven experience developing mobile applications with React Native . Strong knowledge of JavaScript/TypeScript . Experience integrating APIs and backend services. Understanding of mobile application architecture, performance optimisation, and security best practices. Experience working within Agile delivery … practices. Support CI/CD processes and ensure robust testing standards. Requirements Proven experience developing mobile applications with React Native . Strong knowledge of JavaScript/TypeScript . Experience integrating APIs and backend services. Understanding of mobile application architecture, performance optimisation, and security best practices. Experience working within Agile delivery ...

settlement models and post-trade infrastructure Operate within relevant compliance frameworks (e.g. data and securities regulation) Engineering & Delivery Write production-quality code (Java, JavaScript, Solidity, SQL) Review code and help set engineering best practice Improve CI/CD pipelines, testing strategy, and observability Communication & Influence Explain complex technical ideas clearly …/or blockchain platforms Familiarity with tokenisation and digital asset concepts Strong API design skills (REST, event-driven architecture, etc.) Working knowledge of Java, JavaScript, Solidity, and SQL Financial Services Knowledge Understanding of post-trade processes Familiarity with securities depositories, DvP/RvP models, and atomic settlement An appreciation ...

industry and work with cutting-edge technology, I encourage you to apply! About the role As a Backend Engineer, you will: Develop and maintain JavaScript code for new features and performance optimisation. Contribute to improving performance and caching as our platform continues to scale. Build maintainable, reusable, and reliable code. … development team, contributing to technical and product strategy discussions. Implement software development best practices, including testing and code reviews. About you Commercial experience with JavaScript, including ES6/7 features. Experience with Node.js and related frameworks (e.g., Express, Sequelize). Experience working with relational databases and NoSQL databases. Understanding ...

Lead client workshops and requirements gathering sessions, translating business needs into practical software solutions Configure insurance software products, reports, and fulfilment templates using SQL, JavaScript, and other technical tools Take ownership of complex client projects and major deliverables from analysis through to implementation Manage client relationships, acting as the primary … facilitation skills, with the ability to engage stakeholders and translate business needs into effective technical solutions Hands-on experience with SQL and/or JavaScript, alongside a proven ability to configure and deliver software solutions Excellent analytical and problem-solving skills, with a structured approach to managing complex challenges Strong ...

3+ years of software engineering experience, with at least 1+ years working with blockchain or distributed ledger technologies Experience using TypeScript/JavaScript to build integrations with blockchains Familiarising with a queue-based architecture Experience developing and deploying smart contract logic or similar on Layer 1 networks Familiarity with token … chain Understanding of cryptographic primitives (e.g. signatures, hashes, multisig) and transaction flows Experience integrating blockchain infrastructure into backend applications, ideally in a TypeScript/JavaScript based environment Knowledge of blockchain tools, APIs, and development environments (e.g. Cosmos SDK, Elements for Liquid, etc. Nice to haves: Exposure to finance or fintech ...

complex manufacturing environment. Key Responsibilities Design, develop, test, deploy, and maintain software applications supporting manufacturing and business operations. Develop solutions using ASP.NET, C#, JavaScript, SQL, PowerShell, and associated technologies. Manage and support Microsoft SQL Server databases, including query development, optimisation, and troubleshooting. Support application hosting environments, including IIS administration … industrial environment is advantageous. Strong experience developing applications using Microsoft Visual Studio and Visual Studio Code. Proven experience developing solutions using C#, .NET, JavaScript, PHP, PowerShell, and SQL Server technologies. Experience in creating workflow approvals to manage day to day operations. Strong SQL Server database development and troubleshooting skills. Experience ...

would like you to bring to the role....key experience, knowledge, skills & personal qualities Experience Previous experience in designing, developing, and maintaining automation frameworks using JavaScript tools such as Mocha and Playwright or similar . Demonstrable experience in building reliable, reusable, and scalable automated test scripts. Collaborate with engineers, product owners. … e.g., GitHub, Bitbucket). Contribute to continuous improvement of QA processes and standards. Knowledge Strong hands‐on experience designing and implementing test automation using JavaScript-based frameworks such as Mocha and Playwright, with the ability to build and scale robust automation solutions. Strong understanding of the Software Development Life Cycle ...

addition, you will acquire a range of knowledge of financial products generally. Responsibilities Maintain and develop our risk‐engine, which is implemented in JavaScript/NodeJS and Java with an in‐house library of functions. Expose to various asset classes, including equities, foreign exchange, commodities, interest rates, inflation, credit defaults … other teams. Qualifications Degree in Mathematics/Statistics/Computer Science, or any quantitative subject. Experience in coding in any programming language (preferably in JavaScript and Java). Experience in building software architecture solutions, creating databases and API requests. Knowledge in stochastic calculus, statistics, probability and numerical methods. Experience ...

addition, you will acquire a range of knowledge of financial products generally. Responsibilities: · Maintain and develop our risk-engine, which is implemented in JavaScript/NodeJS and Java with an in-house library of functions. · Expose to various asset classes, including equities, foreign exchange, commodities, interest rates, inflation, credit defaults … other teams. Qualifications: · Degree in Mathematics/Statistics/Computer Science, or any quantitative subject. · Experience in coding in any programming language (preferably in JavaScript and Java). · Experience in building software architecture solutions, creating databases and API requests. · Knowledge in stochastic calculus, statistics, probability and numerical methods. · Experience ...

would like you to bring to the role....key experience, knowledge, skills & personal qualities Experience Previous experience in designing, developing, and maintaining automation frameworks using JavaScript tools such as Mocha and Playwright or similar . Demonstrable experience in building reliable, reusable, and scalable automated test scripts. Collaborate with engineers, product owners. … e.g., GitHub, Bitbucket). Contribute to continuous improvement of QA processes and standards. Knowledge Strong hands-on experience designing and implementing test automation using JavaScript-based frameworks such as Mocha and Playwright, with the ability to build and scale robust automation solutions. Strong understanding of the Software Development Life Cycle ...