Software engineering for digital business
NumberBridge is a UK-based software engineering company. We build and maintain web applications, APIs and platform integrations for digital businesses across Europe.
What we do
Four service lines covering the full lifecycle of a web platform, from initial build to ongoing operations.
Custom development
Full-stack engineering of web applications and backend systems. We work primarily with TypeScript, Node.js and Python, along with modern frontend frameworks.
API integration
Connecting external services into client systems. Payment processors, analytics platforms, marketing tools, internal APIs. REST and GraphQL, webhook handling, data synchronisation.
Technical consultancy
Architecture review, technology stack selection, scalability planning. Short engagements with written recommendations and pragmatic implementation roadmaps.
Platform maintenance
Ongoing support for existing platforms. Monitoring, updates, bug fixes, performance optimisation. Monthly retainers with defined scope and response windows.
Industries we serve
Our clients operate in sectors where reliable software is a commercial requirement, not a nice-to-have.
Recent engagements
Client work is subject to confidentiality agreements. Below are representative engagements described in general terms.
API integration platform for a European retailer
Built an internal service connecting an e-commerce storefront to multiple fulfilment providers, with unified status tracking and automatic reconciliation.
Backend rewrite for a SaaS analytics product
Migrated a growing analytics platform from a legacy PHP monolith to a modern TypeScript service, reducing response times and simplifying deployment.
Payment and subscription integration
Integrated a recurring billing provider into an existing platform, with customer-facing self-service controls, webhook handling and reporting for finance.
How we work
A straightforward process designed for small and mid-sized teams who need predictable delivery.
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1
Discovery call
A 30-minute conversation to understand the problem, constraints and desired outcomes. No preparation required.
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2
Written proposal
A scoped proposal within five business days, with pricing, timelines and clear deliverables.
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3
Kick-off
Contract signed, communication channels established, access arranged. Work starts.
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4
Delivery
Two-week iteration cycles with a weekly written update and working software at the end of each cycle.
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5
Handover and support
Documentation, knowledge transfer and the option to continue under an ongoing maintenance retainer.
About NumberBridge
A small senior team and an extended network of independent specialists, delivering engineering work to digital businesses.
NumberBridge UK Ltd is a UK-registered software engineering company. We focus on well-defined engineering work for digital businesses: building platforms, integrating systems and keeping existing software running well.
Our core team is small by design. For larger engagements we extend the team with independent technical specialists based across Europe, engaged under commercial subcontract arrangements. This keeps overheads low and lets us match capacity to real workload rather than carry a large permanent bench.
The company operates fully remotely. We prefer written communication, clear scopes and measured iteration over process for its own sake.
Insights
Occasional notes on the work we do and the decisions behind it.
Get in touch
For project enquiries, technical consultations or general questions. We typically respond within two to three business days.
contact@numberbridge.uk