Hey, I'm
Harsimran Singh — Senior Software Engineer for Hire
I'm a Software Engineer
Companies hire me as a dedicated Flutter developer and senior software engineer to design, ship and scale cross-platform mobile apps, React web products, and AI solutions — from startup MVPs to enterprise platforms serving 100K+ users. Available for remote teams, full-time roles, long-term contracts and technical leadership worldwide.
Portfolio highlights, testimonials, tech stack, and project preview
My Tech Stack
Daily tools for web & mobile development
Skilled across multiple stacks and dev tools.
Open to full-time roles, long-term contracts and leadership opportunities across Web, Mobile and AI.
Contact MeHarmanpreet Singh
CEO & Co-founder, Harav Technologies
“He didn't just patch things — he rewrote the parts that were broken by design. Crash-free sessions went from 94% to 99.6% in three weeks.”
Ruchika
Software Developer
“The kind of engineer you want on your side during a tight sprint. Picks up unfamiliar code fast, reviews PRs properly, and is genuinely helpful when you're stuck.”
Engineering Stack
The stack I ship with in production — React, Next.js, Node.js, Flutter, Python, SQL and cloud. Hire me for work that requires depth across frontend, backend and mobile.
- Flutter
- React
- Angular
- Node.js
- Python
- PHP
- Go
- C
- C++
- JavaScript
- HTML5
- CSS3
- Bootstrap
- MongoDB
- MySQL
- WordPress
- GitHub
- AWS
Selected Work
Production software I've designed and shipped for companies and users at scale. Each case study covers the problem, the engineering decisions, and the business outcome — spanning web, mobile and AI products built with React, Node.js, Flutter and cloud.
EasyBot — Personal AI Agents
EasyBot is a no-code platform that lets you deploy personal AI agents across apps like WhatsApp, Slack, and Discord—without complex setup. Create multiple agents with unique roles, memory, and personalities, all configured in-app. Always-on and adaptive, EasyBot brings powerful, privacy-first AI assistants into everyday workflows.
Hosting Healthcare
Hosting Healthcare is a platform designed for doctors and therapists to find comfortable, short-term accommodations tailored to their needs. It offers verified listings with reviews, smart filters, and personalized travel tools, along with curated services and experiences—making professional travel simple, organized, and stress-free.
Package Return
Package Return simplifies the hassle of returning online orders by offering convenient doorstep parcel pickup. Users can schedule pickups, track return status in real time, and manage multiple returns from a single dashboard. With smart address detection, carrier integration, and instant confirmation, the app eliminates long queues and post-office trips—making returns as easy as placing the order itself.
Gamma AI: AI Chatbot Assistant
Shipped a multi-model AI assistant (GPT-4, Claude 3.5, Llama 3) that lets users draft, research and plan without switching tools. Owned the mobile architecture, streaming API layer and context-retention logic end-to-end; launched on the Play Store with creative workflows, academic help and daily utilities as headline features.
Plant Identifier - AI Plant Care
Designed and delivered a consumer plant-care product that turns any phone into a pocket botanist. Built the image-recognition pipeline, personalised care schedules, light/moisture meters and toxicity alerts — shipped to the App Store with a Firebase sync layer and a notification engine that drives week-over-week retention.
AI Logo Generator by Looka AI
Built a branding product that turns a short prompt into a production-ready logo system. Shipped the AI generation pipeline, precision editor and auto-generated brand kit on iOS — packaging infrastructure-heavy design tooling into a workflow founders and small teams can use in minutes instead of weeks.
What My Clients Say
Real feedback from real projects — the quality and dedication I bring to every collaboration.
Harmanpreet Singh
CEO & Co-founder, Harav Technologies
Let's Connect
Looking to hire a senior software developer, brief a contract, or explore a full-time opportunity? Reach out through any channel below — I typically respond within 24 hours.