1 to 25 of 38 JavaScript Jobs in Leeds

Need Essential: A passion for technology and continuous learning Strong software engineering background with ideally 3+ years' experience building and maintaining production systems Strong hands-on experience with modern JavaScript/TypeScript frameworks, especially Next.js, React, and React Native (other languages like Python/C#/PHP are a bonus) Excellent communication skills and emotional intelligenceable to collaborate effectively and More ❯

mentoring high-performing software engineering teams. Strong hands-on expertise with the Microsoft .NET ecosystem: C#, ASP.NET MVC, Entity Framework, Visual Studio. Solid understanding of web technologies such as JavaScript, React, Angular, HTML. Strong grounding in software engineering principles, including SOLID, design patterns, and scalable architecture. Experience delivering enterprise-grade, cloud-hosted applications. Strong understanding of relational databases (SQL Server More ❯

you have solid experience in .Net (C#) & modern JS/TS frameworks, at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular . Although, as long as you are willing to pick up Angular, we will consider React or Vue, for example. - MySQL/SQL - GitHub actions More ❯

commercial) Strong expertise in Spring/Spring Boot Solid experience with Hibernate Desirable Skills: Python or R - exposure to data or ML integration SQL - for data management and optimisation JavaScript - for front-end collaboration Grails - nice to have, not essential Environment & Tools: Cloud: AWS/Azure DevOps: Git, CI/CD, Docker, Kubernetes Agile, collaborative environment with code reviews and More ❯

Must Have: Strong experience with C#, .NET, .NET Core, ASP.NET, MVC, Web API, Entity Framework Proficient with SQL Server (queries, procedures, optimisation) Solid full-stack skills including HTML, CSS, JavaScript/jQuery Experience with Azure DevOps, Git, Visual Studio Strong architecture, design principles and secure coding experience Ability to deliver high-quality, maintainable code and solve complex problems Nice to More ❯

you will be ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can use it for both small and complex More ❯

tools like Terraform. Design and implement serverless architectures, including Docker containers. Mentoring junior developers in coding standards, Github version control, and code tracking. Collaborating with Front-End Developers using JavaScript, CSS and HTML to create seamless user interfaces. Overseeing integration of various software components, and debugging and trouble-shooting applications. Implementing best practice in software development, including exception handling, data More ❯

least 2 years in an architectural or leadership role. Strong understanding of architectural patterns (e.g., microservices, layered, serverless). Proficiency in programming languages such as Java, C#, Python, or JavaScript/TypeScript. Hands-on experience with cloud platforms (in particular Azure) Excellent communication and stakeholder engagement skills. Desirable: Experience in enterprise application integration (EAI). Knowledge of data modelling and More ❯

least 2 years in an architectural or leadership role. Strong understanding of architectural patterns (e.g., microservices, layered, serverless). Proficiency in programming languages such as Java, C#, Python, or JavaScript/TypeScript. Hands-on experience with cloud platforms (in particular Azure) Excellent communication and stakeholder engagement skills. Desirable: Experience in enterprise application integration (EAI). Knowledge of data modelling and More ❯

engineering team of 12 & the hands on CTO , to take the platform forward & develop new AI solutions for clients. Role: Software Developer | Software Engineer (Python, Java, C#. PHP, C++, JavaScript/Typescript) Location: Leeds , Yorkshire. We operate a 2 days per week in the office policy . Central Leeds city office. Nice, lovely, open plan shared office space in a More ❯

for clean, maintainable code and modern development practices A team player who enjoys solving problems and learning new technologies Bonus skills (not essential): AWS, Docker, CI/CD, modern JavaScript frameworks, cloud-native tooling What's in it for you Hybrid working with flexibility Chance to learn and work with new technologies and cloud tools Supportive engineering culture with knowledge More ❯

the opportunity to join feature teams to have first-hand experience of the software development life cycle. You may obtain experience in: Software Engineering coding in Java, Python, C#, JavaScript, Kotlin, Swift. DevOps building pipelines and automating releases. Quality Assurance testing, refining and improving customer journeys. This isnt work experience. This is work that matters - from improving mobile banking journeys More ❯

Working in an AWS environment Key requirements: Minimum of 5 years as a Backend Engineer. PHP development experience. Experience of PHP Frameworks Laravel/Symfony (Non Essential) Understanding of Javascript, Typescript and React on the Front End. Cloud exposure, ideally in AWS, Lambda, ECS but Azure or GCP is also fine. Experience of RDBMS - MySQL. Knowledge in microservices and REST More ❯

Do you have a couple of years commercial coding experience under your belt with Python, Java, .NET/C#, Javascript or similar? Are you now looking to take those skills forward, working on AI software application development in Python? If yes, we have a good new home for you to continue your software engineering career, at a successful, AI focused More ❯

effective communication of code security and how to detect and remediate various classes of security defects and logic vulnerabilities. Programming experience or scripting experience (Ruby, Ruby on Rails, TypeScript, JavaScript, and/or Go preferred), and an ability to read and understand code for fix validation and root cause analysis purposes. Comfortable in shell scripting to automate recurring work or More ❯

At Lumenalta, we create impactful software solutions that drive innovation and transform businesses. Since 2000, we've partnered with visionary leaders to build cutting-edge tech, solve complex challenges, and deliver results faster through our elite teams and tech-driven More ❯

Product Engineer who cares deeply about building beautiful, performant systems — and wants to help reinvent how millions of people work. What You'll Do Use your strong proficiency in JavaScript/TypeScript to design and implement product features using React, Zod, Lexical and other popular open-source technologies Lead projects end-to-end to solve real customer problems Build innovative More ❯

transformations Demonstrated ability to testmobile and web applicationsin agile product environments. Beneficial tooling experience - Cypress, Selenium, Playwright, Appium, Postman, JS-first UI automation, RSpec, Rails Main programming languages used - JavaScript, TypeScript, Python, Ruby Agile/Scrum The company have an excellent reputation within their sector, and have experienced consecutive years of growth, posting record revenues for the last financial year. More ❯

To apply to this role, you will need to be proficient in either Python and/or JavaScript. Your role will require proficiency in at least one programming language (JavaScript, Python, C#, C++, HTML, SQL, or Swift) in order to solve coding problems (think LeetCode, HackerRank, etc). For each coding problem, you must be able to explain how your More ❯

functionality Skills And Requirements Proven experience designing and developing modern, interactive websites Strong proficiency in web design tools (e.g., Figma, Adobe XD, Sketch) and front-end technologies (HTML, CSS, JavaScript) Experience with CMS platforms such as WordPress or Webflow Ability to translate reference materials and creative direction into effective web layouts Knowledge of best practices in UX/UI for More ❯

What you'll need to succeed Proven hands-on experience with test automation tools and frameworks (e.g. Selenium, Karate) Strong understanding of testing methodologies and scripting languages (e.g. Python, JavaScript) Experience with performance testing tools such as JMeter or LoadRunner Ability to lead and mentor technical test teams Excellent collaboration skills across DevOps and product teams Exposure to Cloud and More ❯

We're looking for a dependable, adaptable professional to support day-to-day tasks and ensure smooth operations. This role is straightforward, structured, and easy to learn, making it ideal for anyone who wants a stable income, flexibility, and real More ❯

treasury. FinTech Expertise: Hands-on wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale, mentor engineers, and drive cross More ❯

Developer with experience developing large-scale micro-services, messaging, web services + distributed systems. In-depth Java 8/11 , Spring Boot, Spring Framework and Micro-services development experience. JavaScript, NodeJS, ReactJS preferred and REST API, PostgreSQL/NoSQL databases, JSON and XML. AWS Cloud environments including: ECS, EKS, API Gateway + Serverless. DevOps and CI/CD technologies , including … . Experience in large scale integration projects involving messaging, web services and distributed systems, ELK stack, OpenStack platform Agile development methods (Scrum, BDD, TDD, Kanban). Advantageous skills: Docker, JavaScript: ReactJS and NodeJS preferred, AWS API Gateway and Serverless technologies, Message broker like Apache Kafka, BPM framework, Mustache template. Benefits include - Annual Bonus (to 10%) + Pension + 22 days More ❯

of our colleagues. The Digital lab are responsible for a products that fully align to modern engineering standards - hosted on Azure cloud infrastructure, using a micro-service architecture, with JavaScript and TypeScript built applications using React and Node.js. Over the last 2 years we have launched new digital journeys on modern JavaScript frameworks, developed detailed suites of customer journey and … aspect of engineering, so if you have experience in technical leadership we would like to hear from you. Specifically we're looking for: Strong technical background in full stack Javascript/TypeScript development (ideally Node and React) Proven experience in leading, coaching and managing engineering teams including offshore. Ability to build strong relationships and demonstrate a passion for solving real More ❯