Web apps built
to last past launch.
Custom web applications with React, Next.js and Node.js. TypeScript-strict, accessible, performant, and engineered to survive growth — not just launch day.
The problem
Most web agencies deliver a working demo. Three months later your team is fighting a spaghetti codebase, zero test coverage, and a Lighthouse score of 42.
Our approach
We define the architecture, API contract, and performance budget before writing a line of product code. TypeScript strict, tests included, documented before handover.
The result
A clean, tested, well-documented web application your team can extend confidently — with a CI/CD pipeline that deploys in minutes, not hours.
Everything in
one engagement.
No bolt-ons, no upsells. Every project includes the full technical foundation — frontend, backend, infrastructure, and testing.
React / Next.js frontend
SPA or SSR, TypeScript, accessible
Node.js backend & APIs
REST or GraphQL, NestJS / Express
Database design
PostgreSQL, Redis, Prisma ORM
Authentication & RBAC
NextAuth, Clerk, or custom JWT
Security hardening
OWASP top-10, rate limiting, CSP
CI/CD pipeline
GitHub Actions, preview envs
Cloud deployment
AWS, Vercel, Docker, Terraform
Performance audit
Lighthouse, Core Web Vitals pass
3 months post-launch support
Bug fixes, monitoring, guidance
Discovery to launch
in 11 weeks.
A structured process that produces clean, tested, documented software — not a working demo that collapses under real usage.
Discovery & Architecture
We map out your requirements, user flows, and technical constraints. We deliver a functional specification, wireframes, and an architecture decision record before any code is written.
Deliverables
- Functional specification
- Wireframe sketches
- Architecture diagram
- API contract (OpenAPI)
Design & Setup
In-house designers produce high-fidelity Figma screens. Engineers set up the monorepo, CI/CD, database schema, and base components in parallel — so no time is lost waiting for design.
Deliverables
- Figma designs (all screens)
- Database schema
- Development environment
- Component library scaffold
Feature Development
Iterative sprints with a working demo every Friday. We build from the outside in — user-facing features first so you can validate UX early and redirect effort if priorities shift.
Deliverables
- Auth + user onboarding
- Core feature set
- Admin / management views
- API integrations
QA & Performance
End-to-end tests, cross-browser testing, accessibility audit, and performance profiling. We fix issues before launch, not after.
Deliverables
- E2E test suite
- Cross-browser report
- Accessibility audit (WCAG 2.1 AA)
- Performance budget pass
Launch & Handover
Production deployment with monitoring, error tracking, and a full walkthrough for your team. We stay available for 90 days post-launch.
Deliverables
- Production deployment
- Runbook & documentation
- Error tracking setup
- 90-day support period
Modern stack,
proven in production.
We use the same stack across every project — so our engineers are experts, not experimenters.
Three ways we
build for the web.
SPAs, SSR, and everything in between.
React Applications
We build React and Next.js applications that are fast, accessible, and maintainable. Whether you need a single-page app, a server-rendered marketing site, or a complex dashboard — we architect it to scale.
- React 19 with React Server Components
- Next.js App Router — SSR, ISR, streaming
- TypeScript strict — no any, no exceptions
- Accessible by default (WCAG 2.1 AA)
- Core Web Vitals pass — Lighthouse ≥ 90
Robust APIs your frontend can rely on.
Node.js Backend & APIs
We build Node.js backends that are testable, documented, and production-hardened. REST or GraphQL, monolithic or service-oriented — we pick the right architecture for your scale and team.
- REST APIs with OpenAPI specification
- NestJS for large, modular backends
- Express for lean, targeted services
- PostgreSQL + Redis — battle-tested defaults
- Automated integration tests with real DB
One team, one language, end-to-end.
Full-Stack JavaScript
When you hire GSoft, the same engineers own the frontend, backend, and infrastructure. No handoff friction, no integration surprises, no finger-pointing between teams.
- TypeScript across the entire stack
- Shared types between client and server
- Monorepo with pnpm workspaces / Turborepo
- Single deployment pipeline for all services
- Full ownership from database to UI
For teams who need
code they can trust.
Product & SaaS Teams
You're building a web product and need engineers who care as much about architecture as features. We own the technical quality end-to-end.
- —Building a new product or scaling an existing one
- —Need TypeScript-strict, tested, documented code
- —Want engineers who explain their decisions
Agencies & Studios
You have design and strategy covered but need a reliable development partner. We integrate with your process and deliver production-ready code to your spec.
- —White-label development for your clients
- —Design-to-code with pixel-perfect fidelity
- —Fixed-scope projects with reliable timelines
Enterprises Modernising
Your legacy web application is slowing the business down. We audit what exists, propose a pragmatic modernisation plan, and execute it without disrupting operations.
- —Legacy system modernisation
- —Performance improvement program
- —Developer team augmentation
Do you build single-page apps or server-rendered apps?
What's your standard backend stack?
Can you work with our existing codebase?
Do you write tests?
How do you handle performance?
What does the handover look like?
Let's build your
web application.
Tell us about your project. We'll get back within 24 hours with a clear scope, timeline, and transparent pricing.