Available for new projects

FENIL DAVE

Senior Full Stack Engineer
7+ Years experience6+ Domains50% Load-time cut

About

7+ years across 6+ domains (AI, FinTech, HR Tech, enterprise SaaS, government, semiconductor). I own architecture from planning through production, build design systems, and mentor engineers.

Years experience
Domains
Load-time cut
Engineers mentored

Senior Full Stack Engineer

Fintech · SaaS · Platform engineering · React · Node.js · TypeScript

Fenil Dave

Where I've Worked

smartSense Consulting Solutions

Senior Full Stack Engineer / Tech Lead

Jun 2024 – Present

Leading frontend engineering for 6+ enterprise systems across IoT, analytics, and SaaS platforms. Driving UI performance improvements of 20–40% and mentoring a growing team.

  • Built 6+ enterprise frontend systems across IoT and SaaS
  • 20–40% UI performance gains across products
  • Shared component library cutting feature dev time 20–30% across 3+ products
  • Mentored 8+ engineers on React, TypeScript, and architecture
  • React
  • TypeScript
  • Next.js
  • Node.js
  • GraphQL
  • Tailwind CSS

SixSense Technologies

Full Stack Engineer (Frontend Lead)

Dec 2022 – Apr 2024

Rebuilt the core AI platform frontend from the ground up using React Fiber, achieving dramatic performance and engagement gains. Led ML annotation pipeline development and managed a mono-repo across 5+ microservices.

  • +30% engagement after full platform rebuild
  • 50% load-time cut via React Fiber architecture
  • 30% fewer API calls through intelligent caching
  • 40% faster ML annotation via DANN/PIP pipeline
  • 95% on-time sprint delivery maintained across tenure
  • Mono-repo across 5+ microservices
  • React
  • TypeScript
  • Python
  • Django
  • React Fiber
  • Docker
  • AWS
  • PostgreSQL

Elixir Techne

Full Stack Engineer

Mar 2019 – Dec 2022

Delivered 6+ full-stack products across FinTech, HR Tech, government, and semiconductor domains. Built a computer-vision UI for semiconductor defect detection that led to a direct client hire.

  • 6+ full-stack products delivered across 4+ industry verticals
  • Computer-vision UI for semiconductor defect detection — led to direct client hire
  • Government metal-property prediction system using ML
  • HR recruitment automation reducing manual screening time significantly
  • ElectronJS + React desktop app with real-time speech & tone analysis
  • Multiple FinTech platform revamps
  • React
  • Node.js
  • Python
  • Django
  • ElectronJS
  • TensorFlow
  • PostgreSQL
  • MongoDB

What I Do

A focused set of disciplines I bring to every engagement.

  • Full Stack Web Development

    React/Next.js + Django/Node.js, owned from planning through production. Optimized for performance, scalability, and maintainability.

  • Frontend Architecture & Performance

    Design systems, perf budgets, and targeted optimisations delivering 20–50% load-time cuts across complex enterprise frontends.

  • AI / ML Product Engineering

    AI platform frontends, ML annotation pipelines, computer-vision UIs — production-grade interfaces for model-powered products.

  • Technical Leadership & Mentoring

    Engineering lead for cross-functional teams — architecture decisions, code review standards, mentorship programs. 95% on-time delivery track record.

  • Interactive & 3D Web

    R3F + GSAP scrollytelling experiences — cinematic, physics-driven UI at 60fps that degrades gracefully. This site is the proof of concept.

Stack

Frontend

ReactNext.jsTypeScriptJavaScriptReduxTailwind CSS

3D & Motion

React Three FiberThree.jsGSAPFramer MotionLenis

Backend

DjangoPythonNode.jsREST APIsMicroservices

Data & ML

PostgreSQLSQLComputer Vision (UI)ML Annotation Pipelines

Desktop & Tooling

ElectronJSGitMono-repoCI/CD

Selected Work

A selection of projects I've designed, built, and shipped.

Let's Talk

Have a project in mind, want to collaborate, or just want to say hi? I'd love to hear from you.