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.
Powerful API & Backend Solutions for Modern Applications in London
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
Scalable Backend Architecture
Reliable performance under any load
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.
Why App API & Backend Integration Matters
Performance, scalability, and seamless data flow
99.9%
average uptime across hosted APIs
3x
faster response times with optimised queries
100%
encrypted API endpoints
50+
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 ConsultationWhy Choose Us in London
Why London Businesses Choose JW Digital
Trusted web design, SEO, and digital solutions tailored for London businesses.
Local Search Visibility
Boost your presence in London with strategic SEO enhancements built into the website.
User-Friendly Interface
Visitors in London enjoy an intuitive layout that makes navigation effortless.
Fast Delivery
We deliver high-quality websites quickly for businesses across London.
Tailored For Your Industry
Whether you're a trade, therapist, or B2B company in London, we build sites that suit your niche.
Our API & Backend Development Process
From system planning to secure, scalable deployment
Discovery & System Architecture
We define your app’s data model, endpoints, and API requirements — planning an efficient architecture that balances speed and scalability.
Development & Integration
We build REST or GraphQL APIs, connect to external systems, and integrate databases — ensuring every layer communicates flawlessly.
Testing & Optimisation
Comprehensive load, security, and performance testing ensures your backend can handle real-world traffic with zero downtime.
Deployment & Monitoring
We deploy your backend on secure, scalable cloud platforms like AWS, Supabase, or Vercel, complete with error tracking and uptime monitoring.
What's Included
What’s Included in Our API & Backend Integration Service
Secure, scalable, and optimised backend infrastructure
1
Custom REST or GraphQL APIs
Built to fit your app’s exact needs, enabling smooth communication between frontend and backend systems.
2
Database Design & Integration
Connect your app to reliable databases like MongoDB, PostgreSQL, or Firebase — with optimised schema and indexing.
3
Authentication & Security
Protect users and data with JWT, OAuth, role-based access, and HTTPS encryption across all endpoints.
4
Performance Monitoring & Logs
Real-time tracking and analytics to ensure uptime, speed, and issue detection across your entire API stack.
App API & Backend Integration Pricing
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.
Bespoke Website Package
£800
Typical delivery time: 3–6 weeks
- Custom REST/GraphQL API development
- Secure authentication & data protection
- Real-time third-party integrations
- Cloud-hosted, scalable infrastructure
We’ll tailor your package to match your business goals, audience, and preferred style. From design and development to SEO and hosting — our team handles it all.
More App Development Services in London
Explore more app development services available for businesses in London.
Mobile App Development 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.
From £1,200
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Cross-Platform App Development in London
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.
From £1,500
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SaaS Platform Development in London
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.
From £2,000
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