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 London
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 London
Book a Free ConsultationTrusted web design, SEO, and digital solutions tailored for London businesses.
We build websites tailored for how people search and browse in London, helping you attract more local clients.
Fast, reliable, and future-proof websites built with modern frameworks and optimised for conversions.
Boost visibility with technical SEO, on-page optimisation, and local ranking strategies that perform exceptionally in London.
Your site is protected with enterprise security and built to grow as your London business expands.
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 London.
iOS and Android apps built for performance and growth for London 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 London grow online with high-performance, SEO-focused websites.
One codebase. Every platform. for London 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 London grow online with high-performance, SEO-focused websites.
Scalable SaaS applications with subscription and dashboard systems for London 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 London 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 support schools, charities, agencies, and organisations across London.
Yes. We safely migrate London websites from old or slow hosting providers.
Yes. We can build multilingual sites for London companies needing international reach.
We optimise images, scripts, caching, and server delivery to ensure fast performance in London.
Yes. We integrate Stripe, PayPal, and custom payment solutions for London businesses.