
Custom API Development
REST, GraphQL & WebSocket solutions
We design and build APIs tailored to your business logic — enabling your app to interact seamlessly with databases, CRMs, and cloud systems in real time.
Every great app relies on a fast and reliable backend. JW Digital builds secure, high-performance APIs and server systems that make your app smarter, faster, and more connected — whether it’s fetching data, managing users, or syncing with third-party platforms. in Leeds

We design and build APIs tailored to your business logic — enabling your app to interact seamlessly with databases, CRMs, and cloud systems in real time.

Our cloud-hosted backends are built for speed, security, and scalability. From AWS and Supabase to Node.js and MongoDB, we ensure your app grows without limits.
Performance, scalability, and seamless data flow
average uptime across hosted APIs
faster response times with optimised queries
encrypted API endpoints
third-party integrations supported

Your app’s backend determines how well it performs, scales, and interacts with other systems. A robust API infrastructure ensures smooth communication between your frontend, database, and third-party integrations. JW Digital develops secure and efficient backend systems that enhance speed, stability, and flexibility — while keeping your data protected through authentication and encryption best practices. in Leeds
Book a Free ConsultationTrusted web design, SEO, and digital solutions tailored for Leeds businesses.
Whether you're a startup or established business, your new website will support long-term growth in Leeds.
Optimised for mobile users across Leeds with clean design and seamless navigation.
We help you rank for high-intent search terms used by Leeds customers actively looking for your services.
We build reliable, secure websites that represent your Leeds business professionally.
From system planning to secure, scalable deployment
We define your app’s data model, endpoints, and API requirements — planning an efficient architecture that balances speed and scalability.
We build REST or GraphQL APIs, connect to external systems, and integrate databases — ensuring every layer communicates flawlessly.
Comprehensive load, security, and performance testing ensures your backend can handle real-world traffic with zero downtime.
We deploy your backend on secure, scalable cloud platforms like AWS, Supabase, or Vercel, complete with error tracking and uptime monitoring.

Secure, scalable, and optimised backend infrastructure
Built to fit your app’s exact needs, enabling smooth communication between frontend and backend systems.
Connect your app to reliable databases like MongoDB, PostgreSQL, or Firebase — with optimised schema and indexing.
Protect users and data with JWT, OAuth, role-based access, and HTTPS encryption across all endpoints.
Real-time tracking and analytics to ensure uptime, speed, and issue detection across your entire API stack.
Our API and backend integration service ensures your mobile and web applications are powered by secure, high-performance infrastructure. From data management to API endpoints, JW Digital builds backends that are fast, reliable, and future-ready.
Free to Use
Estimate your project cost in just a few clicks
Once you have a rough estimate, you can use it as a starting point for your project planning. If you need something more tailored, JW Digital can then provide a bespoke quote based on your exact goals and requirements.
Explore more app development services available for businesses in Leeds.

iOS and Android apps built for performance and growth for Leeds businesses
JW Digital designs and develops mobile apps for iOS and Android using React Native. Our apps are fast, reliable, and built with scalability in mind — from MVP to full-scale production. We help companies in Leeds grow online with high-performance, SEO-focused websites.

One codebase. Every platform. for Leeds businesses
Save time and money with cross-platform app development. JW Digital builds apps that work seamlessly across web, iOS, and Android — maintaining native speed and experience. We help companies in Leeds grow online with high-performance, SEO-focused websites.

Scalable SaaS applications with subscription and dashboard systems for Leeds businesses
From concept to launch, JW Digital builds complete SaaS platforms — with authentication, payments, dashboards, analytics, and automated onboarding. Built for performance and scalability. We help companies in Leeds grow online with high-performance, SEO-focused websites.
FAQs
Trusted by UK businesses for secure, scalable digital solutions. We make your online journey smooth with expert support and transparency.

Yes. We offer local SEO strategies designed to help Leeds businesses appear higher on Google for relevant searches.
Prices vary by project, but we offer affordable packages for startups and established brands in Leeds.
Yes. Your Leeds website includes a CMS, allowing you to update pages, blogs, images, and more.
Yes. We build secure, high-converting eCommerce sites for retailers and service providers in Leeds.
Absolutely. We optimise speed, Core Web Vitals, and performance for Leeds business websites.