226 to 250 of 258 JavaScript Jobs in Berkshire

Software Engineer - Salary: £80’000 plus bonus and benefits. NodeJS, JavaScript, TypeScript, Cloud Tech, CI/CD, AI, ML Harrington Starr has partnered with an innovative Technology SaaS Company that specialise in developing unique software systems for clients for across Property Management for both commercial and private consumer markets. This is an exciting opportunity to join a small team within … and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced Software Engineer with NodeJS, JavaScript, TypeScript and including cloud technologies mainly AWS and Terraform. Strong experience with CI/CD. Key requirements within this opportunity are as follows: Experience with NodeJS Solid experience with JavaScript More ❯

Front-End Test Automation Engineer – Playwright/JavaScript/Finance Location: London Hybrid Type: Permanent We’re seeking a skilled Front-End Test Automation Engineer to join the QA team of a leading financial technology firm. The successful candidate will work closely with Full Stack Development and Operations teams to ensure high-quality, reliable releases across trading and market platforms. … This role is ideal for someone who thrives in a fast-paced, collaborative environment and has a passion for building robust test automation solutions in Playwright (JavaScript/TypeScript). Key Responsibilities: Design and implement automated test scripts and frameworks for front-end and API testing. Execute and monitor automated and manual test cases, analyse results, and report issues. Lead … automation experience using Playwright, Cypress, or Selenium. Expertise in UI testing (visual regression, responsive design, cross-browser). Strong API testing (REST/GraphQL) – automated and manual. Proficiency in JavaScript/TypeScript; Python experience is a plus. Solid understanding of Unix/Linux, SQL, and relational databases. Prior exposure to financial markets, ideally in Cash Equities. Strong analytical mindset, excellent More ❯

ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have … a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As More ❯

Java Engineer | Reading | HealthTech £40,000 – £85,000 + Bonus + Benefits Java, JavaScript, SQL, TDD, Spring Modern healthcare demands modern engineering, and this is your chance to be part of it. We’re hiring Java Engineers (Mid to Senior level) for a fast-growing HealthTech company that’s transforming how NHS hospitals deliver care. Their platform replaces outdated systems … developing their flagship product Building real-time clinical applications with high availability and scalability Collaborating with cross-functional teams to deliver impactful solutions Tech stack includes : Java 21, Spring, JavaScript, Hibernate, RESTful APIs, AWS, Azure, Linux What’s on offer? Salary £40k–£85k depending on experience, bonus scheme, generous holiday allowance, pension and healthcare contributions, & quick interview process. Location : Hybrid More ❯

Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For … Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer … high profile role for a Multi Asset Trading Team within a Front Office environment. As the Senior Trading UI Developer, you will have extensive experience of working with the JavaScript Framework including ES7 and HTML and CSS. You will be working directly with Portfolio Managers, Sales Traders and Quants and end users where you will be responsible for specing out … designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The application is More ❯

paced project environment. You’ll work closely with a cross-functional team to deliver high-quality, scalable web applications using modern technologies. Key skills: Essential: Strong commercial experience with JavaScript , React , and Node.js Proven ability with TypeScript and modern front-end development practices Experience integrating APIs and building performant, responsive interfaces Familiarity with modern tooling and CI/CD pipelines … month initial contract with potential for extension Up to £550 per day, Outside IR35 Hybrid working: 2 days onsite in London If you have strong commercial experience in JavaScript, React, and Node, and are available for your next contract, we’d love to hear from you. More ❯

Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … you: Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office More ❯

global customer base and extremely innovative product suite are in need of an experienced Software Support Engineer. This will be a hugely impactful role, working with Ruby on rails & JavaScript software applications, AWS cloud environments and Linux-based systems. You will be working with an exciting SaaS platform as part of a talented team of Software Engineers & Architects. NearTech have … across our entire system — backend, frontend, and infrastructure — to fix friction points, enhance usability, and make our platform bulletproof. If you’re a full-stack engineer (Ruby on Rails, JavaScript, AWS) who enjoys solving complex issues, improving processes, and making large systems feel effortless to users, you’ll thrive here. What You’ll Do Own product stability end-to-end … repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux environments . Proven ability to diagnose and fix complex production issues in large systems. A product mindset More ❯

software or data engineering and be looking to transition into a client facing, solutions engineering role. The right person will have hands-on programming experience with Java, Python, or JavaScript, as well as solid experience with cloud and data infrastructure (GCP, Azure, or AWS). Due to the client-facing nature of the role, the right person will be an … and interpersonal skills with proven client-facing experience Strong understanding and experience with cloud platforms and services (GCP, AWS, or Azure) Hands of programming experience with Java, Python, or JavaScript Live within commutable distance to Central London and open to global travel Reference Number: 264725 To apply for this role or for to be considered for further roles, please click More ❯

developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, Full Stack Web Development, and Cloud Architecture. Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Outstanding interpersonal and communication skills, with the ability to convey technical concepts clearly to a range of audiences. Highly organised with …/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/Full Stack Developer/Solutions Architect/Cloud Engineer/Platform Integrations Lead/NodeJS/JavaScript/Python/API/Cloud Architecture/Swagger/Computer Science/Software Engineering/Integration Architect/API Solutions Lead/Technical Project Manager/SaaS Platform Engineer More ❯

Company Profile nLighten is a European platform of distributed edge data centers, designed to meet the growing demand for AI, 5G, and hybrid cloud deployments. As a rapidly expanding provider, we offer scalable colocation hubs and best-in-class energy More ❯

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯

and are looking to scale out their engineering team. Role And Responsibilities You will be joining a forward thinking and collaborative team in developing online platforms using Typescript, NodeJS, Javascript and React. Job Requirements 6+ years commercial development experience Strong Typescript and Javascript skills Good communication skills More ❯

business stakeholders to align technology decisions with strategic goals. Experience: 3–6 years of hands-on coding experience with a strong foundation in software development and system architecture (PHP, JavaScript, WordPress). Proven experience leading technical teams or having transitioned into a managerial or strategic role. Skilled in WordPress platform/hosting, HTML, CSS, JavaScript, PHP, Vue, and MySQL. Experience More ❯

tools, delivering actionable insights, and driving data-informed decisions. Experience with Adobe Web SDK and Customer Journey Analytics is highly desirable. Key responsibilities include managing tag implementations. Proficiency in JavaScript, familiarity with SDLC, and comfort with agile sprint teams are essential. Responsibilities: Tag Management: Implement and maintain internal and third-party tags for data capture across digital assets. Quality Assurance … changes. Data Governance: Establish practices for data privacy, compliance, and security. Skills & Qualifications: Essential 7+ years' experience in Adobe Data Collection and Analytics, with strong skills in HTML, CSS, JavaScript, Excel, and data visualization (Tableau, PowerBI). Ability to work independently, design solutions, write technical documentation, QA, and troubleshoot data collection code in complex environments using tag management systems. Strong More ❯

translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms leveraging modern frameworks (React, TypeScript/JavaScript, CSS, AWS Amplify, GraphQL). Apply AI-assisted tooling and automation throughout the development lifecycle — from code generation and testing to deployment and optimisation. Lead innovation by evaluating and integrating … in accessibility, privacy, and performance while maintaining clean, modern, and secure codebases. What You’ll Bring Strong background in front-end and full-stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability More ❯

contributes to open-source software (OSS). The ideal candidate will be a Software engineer or technical manager (hands-on or architecture exposure) and proficiency in modern programming (Python, JavaScript, Go, Java, etc and a solid understanding of CI/CD pipelines, DevSecOps workflows, and automated policy enforcement tools (e.g., Snyk, GitHub Actions, Jenkins, Sonatype, etc.). Knowledge of software … terms into enforceable technical and legal policies. Managing obligations that can lead to OSS license violations or forced code disclosure. Experience Needed Solid software engineering or technical management (Python, JavaScript, Go, or similar). Good understanding of software licensing, compliance, and IP principles. Experienced with legal, risk, and engineering teams in complex or regulated environments. Hands-on knowledge of CI More ❯

WordPress Developer - PHP/HTML/CSS/JavaScript - Up to £45k + Benefits An established digital agency is seeking a WordPress Developer to join their collaborative production team. You'll be building bespoke WordPress websites and applications, working closely with designers and developers to deliver high-quality, responsive, and user-friendly solutions for a variety of clients. As a … wider team and contribute to project estimates and documentation Skills & Experience Required Strong WordPress development experience (themes, plugins, custom builds) Proficiency with PHP and front-end technologies (HTML5, CSS3, JavaScript) Knowledge of cross-browser and cross-platform compatibility Experience with version control (Git) Awareness of accessibility standards and best practices Why Join? Full-time, permanent role with flexible start and … environment. To apply, please send your CV via the application process. Nathan Laidlaw will be in touch. Keywords: WordPress Developer, PHP Developer, Front End Developer, Web Developer, HTML, CSS, JavaScript, Git, API, Accessibility, Digital Agency. Reading, Berkshire, Thames Valley More ❯

Job title: Full Stack Engineer (Scala/Javascript) Job type: Contract (B2B) Contract Length: 6-12 months Rate: £500-£625 per day inside IR35 (depending on experience) Role Location: London, UK (2 days a week onsite) The company: A leading household brand with over 5000 employees across the UK Role and Responsibilities : Signify have partnered up with a UK household … codebase and influence the technical roadmap in working on a nationwide product with millions of users. Job Requirements : Over 4 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have Strong communication skills Interview process: 1st stage interview, 2nd stage interview, Offer stage More ❯

Software Developer, we're looking for someone who can support the client, editing and writing test scripts in Selenium/Appium and who has a basic understanding of Java, JavaScript or Python. Risk Mitigation : You'll be able to address Risk from an early stage, helping create action plans to reduce this risk, which in turn improves Customer Retention . … the customer and help them along their journey, allowing them to hit their customer goals and milestones, providing a good ROI. Tech experience required : Software development experience using Java, JavaScript, Python, C Sharp CI/Automation Technologies such as Appium, Selenium, Jenkins, Maven, TestNG, JMeter If the above sounds like you and you're excited about joining a global engineering More ❯

Software Developer, we're looking for someone who can support the client, editing and writing test scripts in Selenium/Appium and who has a basic understanding of Java, JavaScript or Python. Risk Mitigation : You'll be able to address Risk from an early stage, helping create action plans to reduce this risk, which in turn improves Customer Retention . … the customer and help them along their journey, allowing them to hit their customer goals and milestones, providing a good ROI. Tech experience required : Software development experience using Java, JavaScript, Python, C Sharp CI/Automation Technologies such as Appium, Selenium, Jenkins, Maven, TestNG, JMeter If the above sounds like you and you're excited about joining a global engineering More ❯

Software Developer, we're looking for someone who can support the client, editing and writing test scripts in Selenium/Appium and who has a basic understanding of Java, JavaScript or Python. Risk Mitigation : You'll be able to address Risk from an early stage, helping create action plans to reduce this risk, which in turn improves Customer Retention . … the customer and help them along their journey, allowing them to hit their customer goals and milestones, providing a good ROI. Tech experience required : Software development experience using Java, JavaScript, Python, C Sharp CI/Automation Technologies such as Appium, Selenium, Jenkins, Maven, TestNG, JMeter If the above sounds like you and you're excited about joining a global engineering More ❯

Software Developer, we're looking for someone who can support the client, editing and writing test scripts in Selenium/Appium and who has a basic understanding of Java, JavaScript or Python. Risk Mitigation : You'll be able to address Risk from an early stage, helping create action plans to reduce this risk, which in turn improves Customer Retention . … the customer and help them along their journey, allowing them to hit their customer goals and milestones, providing a good ROI. Tech experience required : Software development experience using Java, JavaScript, Python, C Sharp CI/Automation Technologies such as Appium, Selenium, Jenkins, Maven, TestNG, JMeter If the above sounds like you and you're excited about joining a global engineering More ❯

Software Developer, we're looking for someone who can support the client, editing and writing test scripts in Selenium/Appium and who has a basic understanding of Java, JavaScript or Python. Risk Mitigation : You'll be able to address Risk from an early stage, helping create action plans to reduce this risk, which in turn improves Customer Retention . … the customer and help them along their journey, allowing them to hit their customer goals and milestones, providing a good ROI. Tech experience required : Software development experience using Java, JavaScript, Python, C Sharp CI/Automation Technologies such as Appium, Selenium, Jenkins, Maven, TestNG, JMeter If the above sounds like you and you're excited about joining a global engineering More ❯