Fixed Scope
For well‑defined projects with clear deliverables.
Full‑Stack Software Engineer
I design, build, and scale production‑ready web apps and APIs. From idea to launch, I ship clean, reliable software that grows with your business.
- Product‑minded development
- Clean, maintainable code
- Transparent communication
- On‑time delivery
Process
1. Discover
Clarify goals, constraints, and success metrics.
2. Plan
Define scope, milestones, and architecture.
3. Build
Implement iteratively with CI/CD and reviews.
4. Launch
Deploy, monitor, and verify against KPIs.
5. Iterate
Optimize performance and evolve features.
Testimonials
“Rajnish took our MVP to production in record time with flawless execution.”
— Product Lead, SaaS Startup
“Clear communication, strong engineering, and measurable results. Highly recommended.”
— CTO, E‑commerce Brand
“We saw a 28% conversion lift after the revamp. Great attention to detail.”
— Growth Manager
Tech Stack
TypeScriptNode.jsReactExpressNestJSPostgreSQLRedisDockerAWSGCPTerraformGitHub Actions
Engagement
Time & Materials
Flexible scope with weekly billing and transparent time logs.
Retainer
Ongoing engineering support and roadmap delivery.
FAQ
How quickly can we start?
Usually within 1–2 weeks after scope alignment.
Who owns the code?
You do. Code is delivered in your repos with documentation.
Do you provide testing and CI?
Yes—unit/integration tests and CI/CD pipelines are standard.
What about warranty/support?
Bug‑fix warranty for 30 days after launch; retainers for ongoing needs.
Services
Web Applications
Modern, responsive apps with robust UX and performance. From MVP to enterprise.
APIs & Backends
Secure REST/GraphQL services, auth, payments, background jobs, and integrations.
Cloud & DevOps
CI/CD, containers, and infrastructure as code for reliable, scalable deployments.
Performance & Audit
Core Web Vitals, profiling, and cost reduction through targeted optimizations.
Selected Projects
SaaS Analytics Dashboard
Multi‑tenant analytics platform with real‑time charts, subscription billing, and role‑based access.
E‑commerce API
Headless commerce backend with webhooks, inventory, payments, and admin app.
Marketing Site Revamp
High‑performance static site with A/B testing that lifted conversions by 28%.
About
I'm Rajnish Kumar, a product‑focused full‑stack engineer. I help startups and teams turn ideas into reliable software, ship iteratively, and scale with confidence. I value clarity, communication, and craftsmanship.
- 8+ years building web apps and services
- Hands‑on from architecture to UI polish
- Strong testing and CI/CD discipline
Let’s work together
Tell me a bit about your project and I'll get back within 24 hours.