Node.js Backends and APIs Built to Be Maintained
The server side of your product — APIs, authentication, integrations, and real-time features — designed so the next developer can read it.
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The Backend Is Where Products Quietly Get Expensive
Front ends get rewritten. Backends accumulate. Undocumented endpoints, business logic split between three services, no tests around the parts that handle money — that's what makes a codebase expensive to change two years in. We build APIs with clear boundaries, real error handling, and documentation that matches what the code actually does.
What's Included
REST & GraphQL APIs
Well-structured APIs with versioning, validation, and real documentation.
Authentication & Authorization
Sessions, JWT, OAuth, SSO, and role-based access done carefully.
Third-Party Integrations
Payments, CRMs, ERPs, messaging, and whatever else your system talks to.
Real-Time Features
WebSockets and event-driven services for live data, chat, and notifications.
Database Design
Schema design, indexing, and query work in PostgreSQL, MySQL, or MongoDB.
Background Jobs & Queues
Scheduled work, retries, and queues so slow tasks stay off the request path.
Technologies We Use
Why Work With Us
TypeScript First
Fewer Runtime Bugs
Typed code catches a whole class of errors before deployment.
Documented APIs
Not Tribal Knowledge
Endpoints documented so your team isn't reading source to integrate.
Tested Where It Counts
Critical Paths
Automated tests around auth, payments, and data integrity.
Own Your Code
Full Repository
You get the code, infrastructure config, and documentation.
Fixed Scope
Quoted Upfront
We scope and price before building.
Front End Too
One Team
We can build the React or Next.js client against the same API.
How We Work
Requirements
We map the data, the integrations, and the rules the system has to enforce.
API Design
Endpoints, schemas, and auth model agreed before implementation.
Data Modelling
Schema and indexing designed around real query patterns.
Implementation
Typed, reviewed code built in reviewable increments.
Testing
Automated coverage on the paths where failure actually costs you.
Deployment
Containerised deploys, environment config, logging, and monitoring.
Handover
Repository, API documentation, and a walkthrough for your team.
Related Services
Frequently Asked Questions
Yes. Backend-only engagements are common. We'll work to your existing API contract, or design one with your front-end developers if it doesn't exist yet.
Both are reasonable. Node.js is a strong fit when you're already using JavaScript or TypeScript on the front end and want shared types and one language across the stack, and for real-time work. Python tends to win for data science and ML-heavy workloads. We'll recommend based on your team and workload, not our preference.
Usually. We start with a paid audit covering dependencies, test coverage, and architecture so we can tell you honestly what shape it's in before quoting ongoing work.
Yes — containerised deployment, environment configuration, CI, logging, and monitoring. We can deploy to your cloud account so you keep ownership of the infrastructure.
Input validation, parameterised queries, hashed credentials, rate limiting, dependency scanning, and least-privilege access as standard practice. For systems handling payments or regulated data we scope security review explicitly rather than assuming.
Need a Backend Built or Rescued?
Tell us what the system needs to do, or what's breaking in the one you have. We'll come back with a scope.
SERVICE AREA
Serving clients across the US
WeWebsolutions is headquartered in Teaneck, NJ and works with businesses throughout the United States. Browse the state pages below for local market context, or see our fixed project pricing.
SELECTED WORK
Proof, not promises
Projects we designed and built end to end. Read the full write-ups, or browse every case study.