Softment

Backend & Cloud

Backend API Development Services

We build backend APIs that stay maintainable as your product grows—clean service boundaries, robust auth, and data workflows designed for production reliability.

First step1–2 week opportunity sprint
Entry engagement$3k–$5k USD

Overview

What this service is

This service covers backend API delivery end-to-end: requirements to data model, endpoint implementation, authentication/authorisation, and deployment-ready setup.

We focus on predictable contracts—validation, error handling, and documented endpoints—so frontend teams and integrations can build without constant breakage.

The signed proposal defines repository access and the practical API documentation included with delivery.

Benefits

What you get

Stable API contracts for faster frontend work

Clear request/response shapes and validation reduce integration churn and rework.

Security-minded auth and permissions

Session safety, access control, and pragmatic guardrails built into core flows.

A data model built for change

Schema decisions that support new features and reporting without constant migrations pain.

Reliability and observability baseline

Logging, error surfaces, and monitoring hooks so production issues are diagnosable.

Performance foundations

Sensible indexing, query patterns, and caching options where they matter.

Clean handoff for long-term continuity

Docs and notes so your team can maintain and extend the backend after delivery.

Features

What we deliver

API architecture + project setup

A scalable structure for routes, services, data access, and shared utilities with conventions your team can follow.

Endpoints + business logic

Well-scoped endpoints with clear business rules, status handling, and predictable behaviour.

Authentication + authorisation

Role-aware access patterns, token/session handling, and secure boundaries aligned to your product roles.

Database design + migrations

Schema modelling, indexes, and migration workflow so data changes stay controlled.

Validation + error handling

Input validation, consistent error formats, and defensive programming for safer integrations.

Documentation + deployment guidance

API docs (OpenAPI where applicable), environment setup, and deployment notes for production readiness.

Process

How we work

1
3–5 days

Discovery

We confirm endpoint scope, roles, and success criteria—then define a milestone plan.

2
3–6 days

Data model

We map entities, relationships, and constraints so the database supports your workflows cleanly.

3
2–6 weeks

Build

We implement endpoints and services with validation, auth, and consistent error behaviour.

4
3–7 days

QA

We test critical workflows, edge cases, and integration behaviours to reduce production surprises.

5
2–4 days

Deploy + Handoff

We deliver documentation and deployment notes so your team can operate and extend the backend.

Tech Stack

Technologies we use

Core

Node.jsTypeScriptExpress.js / NestJSPostgreSQL

Tools

PrismaRedis (optional)Firebase / SupabaseOpenAPI / Swagger

Services

Queues (optional)Sentry / logging

Use Cases

Who this is for

Mobile app backend

Auth, user profiles, and core endpoints designed for mobile latency and reliability needs.

SaaS product APIs

Role-aware endpoints, tenant-safe patterns, and workflow APIs ready for dashboards and billing.

Third-party integration layer

A clean backend that connects multiple services (CRM, payments, automation) with predictable contracts.

Webhook processing service

Idempotent webhook handlers, retries, and event logging so integrations don’t silently fail.

Admin and reporting backend

Operational endpoints for exports, filters, and analytics workflows that teams use daily.

FAQ

Frequently asked questions

Yes. We can implement APIs on Firebase/Supabase or build a Node backend with PostgreSQL—based on your product and team constraints.

Yes. Auth and access control are common requirements, and we build them into the foundation so you don’t bolt them on later.

Yes. We provide practical docs (OpenAPI where applicable) plus notes about key workflows and integration assumptions.

Yes. We build connectors with validation, retries, and clear failure behaviour for external APIs.

Yes. We use production-minded patterns for validation, logging, and deployment so the backend can operate reliably.

Regional

Delivery considerations for your region

Data and risk discovery (United States)

Privacy, security, residency, and regulatory requirements differ by workflow. We document the applicable data flows, roles, retention needs, and control owners before recommending an architecture.

The resulting proposal lists the controls and evidence that are actually in scope. It is not a generic compliance, certification, or legal-assurance promise.

  • Map data sources, destinations, roles, and sensitive fields
  • Record access, retention, logging, and deletion requirements
  • Identify required security or procurement evidence before contracting
  • Use an NDA or DPA only when the parties mutually execute it

Working model (United States)

Exact live-overlap hours, response expectations, meeting windows, and escalation contacts are confirmed in the proposal for each engagement.

Written decisions, scoped milestones, and asynchronous updates reduce unnecessary meetings without implying an unagreed service level.

  • Proposal-specific overlap and meeting windows
  • Named owners for decisions and blockers
  • Written scope, assumptions, and change decisions
  • Milestone cadence agreed before kickoff

Commercial setup (United States)

The contracting entity, proposal currency, invoicing cadence, payment terms, intellectual-property terms, and required vendor documents are agreed before work begins.

The Opportunity Sprint can establish the evidence needed to scope a production pilot; it does not pre-commit either party to a rollout.

  • Contracting entity and currency confirmed in writing
  • Milestones and acceptance criteria defined in the proposal
  • Vendor-document requirements identified before signature
  • Scope changes require an explicit written decision

Delivery controls (United States)

Testing, observability, release, security, and handover controls are selected for the actual system risk rather than promised as a generic bundle.

Acceptance measures and production responsibilities are recorded before implementation so both teams know what evidence will support release.

  • Risk-based testing and acceptance measures
  • Release, rollback, and observability responsibilities
  • Security controls tied to the agreed threat model
  • Handover artifacts defined in the signed scope
Ready to start?

Need a backend your product can rely on?

Share your endpoints and data model ideas. We’ll suggest an architecture and delivery plan that fits your roadmap.

API docs + handoff notes included.