Custom web applications that actually ship.
From complex multi-tenant SaaS platforms to high-performance admin dashboards and user portals. We build clean, scalable web apps your users love — delivered in predictable 2-week sprints.
| Frontend Stacks | React, Next.js, Vue, TypeScript |
| App Types | SaaS, dashboards, portals, marketplaces |
| Delivery Model | Sprint-based — Demos every 2 weeks |
| Colombo Rates | $25 - $49 / hr (70% savings vs US) |
Why is web development so hard to get right?
You're here because your web application project is stuck — or you're starting one and want to guarantee it gets built correctly the first time.
Let's be honest. You've probably seen it before. Agencies promise senior developers, but hand your codebase to junior offshore contractors who need constant handholding. Communication breaks down across three layers of account managers. Sprints lag, deadlines slip, and you're left with spaghetti code, zero tests, and a mounting bill. Or maybe you got a quote from a local US or UK agency that made your finance team cry — paying $150-$300/hour is an unsustainable runway burner.
We built BlockLabs to solve this. We deliver production-grade full-stack web applications built by in-house senior engineers in Colombo who communicate directly with your team. Zero telephone games, 100% codebase ownership, and half the cost of Western agencies.
Web systems we engineer.
From MVP prototypes to high-throughput multi-tenant platforms.
Custom SaaS Platforms
Robust multi-tenant architectures, subscription billing integrations (Stripe, Chargebee), secure user auth, and customizable RBAC access levels.
Admin Panels & Analytics
Sub-second interactive dashboards, live data visualization using charts (D3, Chart.js), exportable audit logs, and clean CSV/PDF reports.
Marketplaces & Portals
High-traffic user registration pipelines, search systems with filtering, interactive rating components, and escrow payment handlers.
Internal Business Tools
Workflow automations, internal CRMs, custom asset trackers, and approval pipelines mapped exactly to your operational playbook.
Legacy Modernization
Migrate fragile PHP or jQuery monoliths to React and Node incrementally, introducing clean API layers without interrupting active user traffic.
MVP Development
Lean, fast-to-market software scopes designed to prove metrics, secure funding rounds, and satisfy initial user cohorts.
Transparent Pricing Guidelines
MVP-level web applications typically range from $15,000 to $25,000 (8–12 weeks of engineering). Highly complex, enterprise-ready SaaS systems featuring extensive integrations, advanced dashboards, and multi-tenancy range from $40,000 to $100,000+. We quote locked fixed-price milestones — no surprise bills.
Our 6-phase engineering process.
We structure every project around total transparency, leaving zero space for drift.
Discovery & Scoping (Week 1)
We run technical workshops to dissect requirements, mapping out user journeys and data models. The deliverable is a comprehensive Technical Spec outlining features, API architecture, and staging plans.
UI/UX Prototype Design (Weeks 1-2)
Our designers build high-fidelity Figma layouts. We construct clickable mockups so you can review user interactions, micro-animations, and responsive screen flows before development starts.
Sprint Setup & CI/CD (Week 2)
We spin up your staging environment, initialize git repositories, set up automated linters, and map out bi-weekly sprint tickets in your project board (Jira, Linear, etc.).
Development Sprints (Weeks 3-8+)
Bi-weekly delivery beats. Developers execute code under our direct Colombo tech lead. Sprints feature daily async standups on Slack and live staging demos every two weeks for your feedback.
QA & Performance Tuning (Ongoing)
We target 100% critical route test coverage. We optimize databases, set up caching structures, audit for vulnerabilities, and optimize frontend bundles to hit Lighthouse scores of 90+.
Launch & Support (Production)
Production rollout, deployment validation, credential handover, and full intellectual property transfer. We remain available through optional monthly retainers for SLA support and features.
Our battle-tested technology stack.
We select robust, modern tools tailored to scale, with zero experimental frameworks.
- React.js — Default for interactive app views
- Next.js — Server-side rendering & high SEO
- TypeScript — Strict compile-time type safety
- Tailwind CSS — Fast, consistent, adaptive styling
- AntD / MUI — Elite enterprise dashboard elements
- Node.js (NestJS) — Scalable JS API networks
- Python (FastAPI) — Robust data handling & ML
- PostgreSQL — Relational ACID-compliant DB
- MongoDB — Flexible document structures
- Redis — Speed caching & active sessions
- AWS — Comprehensive scalable hosting
- Vercel / Railway — Fast frontend CDN rollouts
- Docker — Isolated app container setups
- GitHub Actions — Smooth CI/CD test automation
- Sentry — Live bug and error catching
Web development FAQs.
How long does it take to build a custom web application?
A standard MVP takes 8 to 12 weeks to design, develop, test, and deploy. A complex, feature-rich SaaS platform typically takes 16 to 24 weeks. Because we develop in transparent 2-week sprints, you get to interact with working staging modules every fortnight — zero surprise rollouts.
Can you take over and maintain an existing web application?
Yes. We regularly run thorough code audits to rescue stuck legacy codebases. We document existing logic, pinpoint tech debt, build tests, and create incremental modernization roadmaps to transition monoliths to clean, modern React/Node frameworks.
Do I legally own the source code and IP?
Absolutely. From the moment our agreement is executed, you own 100% of the source code, design mockups, deployment configurations, and databases. We push directly to your private GitHub organization daily. No vendor lock-in. Period.
How do you manage communication and timezone differences?
Our Colombo timezone (UTC+5:30) overlaps directly with European mornings and US East Coast afternoons. We schedule live standups during these sweet-spot hours and provide comprehensive async logs (via Loom videos and Notion boards) so your product owners are fully aligned with zero delays.
Ready to engineer your web app?
Book a 30-minute scoping assessment. We will analyze your feature set, propose a detailed technical roadmap, and provide a transparent, fixed-quote proposal within 24 hours.