web app developer jobs in Leeds, West Yorkshire

You will be a Senior level App Developer to join an in-house team to help develop and launch two exciting new products that will form a key part of the company proprietary event technology suite. Working closely with the CTO, following clear technical requirements along with an experienced Developer and the Head of department to bring both apps to life, from initial build to live deployment.

We are seeking a skilled web developer that will help us quick start our website MVP on Lovable (AI platform). We might decide later to whether stay in the platform on move to another environment. The ideal candidate will have a strong background in web development and have experience using AI web development apps Deliverables - Develop and maintain websites using Lovable - Ensure responsive...

Role’s Responsibilities - Design, develop, and maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. - Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. - Collaborate with product managers, designers, and other engineers to translate business requirements into...

Most "web developers" can't do this job. Why? Because most have only ever built sites using templates WordPress themes, Shopify stores, Wix layouts. But Bounce? We didn't touch any of that. Every single line of code was written from scratch. The backend, the frontend, the pages all bespoke. We've built a fully custom third-party ticketing platform to compete with Eventbrite, Dice, and...

Please note: applications via EasyApply will not be considered. To apply, email your CV & portfolio to careers@tefl.org Department: Technology Reports to: Head of IT / Managing Director Location: Remote (UK-based) Contract: Full-time, Permanent About Us The TEFL Org is the leading provider of accredited TEFL (Teaching English as a Foreign Language) certification courses. With a global...

Scalers Group are working with a reputable client that empowers digital businesses to simplify and scale their payment operations. Instead of managing a patchwork of tools and services, our platform acts as a complete payment solution, handling complexity behind the scenes so their clients can focus on growth. Trusted by thousands of software companies worldwide, we combine cutting-edge...

Overview AUDITSU is developing a proprietary automation system to explore and analyse mobile applications at scale. We’re looking for an engineer who understands the internals of Android automation frameworks and enjoys solving problems that don’t yet have established answers. This is a 60-day R&D contract with defined outcomes, full technical autonomy, and scope for continued collaboration. The...

Who are Valcon: Valcon is a north-western European consulting, technology and data company based in the UK, the Netherlands, Denmark, Sweden, and even Croatia. Valcon is private equity backed and in recent years has bought together some of the most exiting companies from these companies to form one of the brightest and most exciting consultancies around. We’re one of the fastest growing...

You will be required to complete the exam in a specific timeframe but at your convenience.

We are looking for security professional to manage, implement and optimize web app Firewall and security solutions. Configure, deploy, and maintain web app Firewall. Analyse web traffic patterns to identify, mitigate and prevent attacks. Collaborate with teams to ensure secure and seamless delivery of web apps. Conduct and maintain security documentation, dashboards for configuration and...

Full Stack Engineer - Fully Remote - £60,000 + Benefits About the Company We're a global education-focused organisation offering accredited online training. As an employee-owned company, we're dedicated to quality, accessibility, and improving learning experiences worldwide. Role: Full Stack Web Developer We're looking for a developer to help build and improve our website, student dashboard,...

We are working with a highly successful FinTech firm that delivers derivative pricing tools and analytics for traders at hedge funds and investment banks. Due to sustained success, the firm are looking to add a Quant Developer to help support their growth. This role would suit an individual with experience within the financial space, working with large, abstract, code bases and agile environments...

📱 iOS Developer | SportsTech | £55k + Stock Options | Remote Fancy building mobile apps that help professional athletes push their limits? One of the UK’s leading SportsTech firms is on the lookout for a Mid–Senior iOS Developer to join their growing engineering team. Their platform is already making waves in elite sport, and they’ve got big plans to expand into new disciplines. You’ll be...

Salary £50,000 About iQ HealthTech At iQ HealthTech, we are dedicated to improving healthcare outcomes universally through innovative technology. Known for our flagship product, iQemo, we empower healthcare providers worldwide to deliver safer and more efficient chemotherapy treatments. Our commitment to revolutionising electronic systemic anticancer treatment (SACT) prescribing systems makes us...

Job Description: - Extensive experience in JavaScript & Typescript development, with a strong focus on React JS and Node JS (Mainly Typescript with React JS and Node JS) - Good to have experience working with the Cancara Design System and the InterStellar Web SDK - Deploy build and manage apps on Azure cloud - Integrate with Azure functions and API - Experience on Google Cloud - Proficiency in...

You will receive expert training on the latest technologies including: . NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue. js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node. js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. All positions come with the following benefits:

You will be helping us maintain and grow our Salesforce platform, used by our internal sales & service agents, our customers through our mobile app and online account, as well as prospective customers looking to join us.

You will have strong experience leading teams, solving technical challenges and owning technical delivery.

Role: Salesforce Senior Developer / Architect Contract Type: Contract (3 months initially with further extension long term) Start Date: Jan 2026 We're looking for a Salesforce Senior Developer/Solution Architect to help us design and deliver scalable, high-quality Salesforce solutions across our business. The ideal candidate is hands-on, technically strong, and confident working closely with...

Android Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a multi-award-winning SaaS company that has built one of the UK and Ireland’s leading mobile workforce management platforms. Their software enables field-based teams in construction, facilities...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...