Parminder Klair
PK

Full‑Stack

TypeScript

Engineer

Highly experienced software engineer with deep expertise across the JavaScript / TypeScript ecosystem—from Node.js back‑ends to React/React Native front‑ends. Pairs a strong grasp of UI/UX psychology with cloud and DevOps know‑how to deliver scalable, user‑centric products.

Frontend

React, Next.js, React Native, Expo, TailwindCSS, Redux, Zustand

Backend

Node.js, GraphQL, ExpressJs, Drizzle ORM, Supabase, TypeScript

Databases & Caching

PostgreSQL, MongoDB, Redis, Firebase, AWS DynamoDB, Algolia

AI & LLM

Vercel AI SDK, OpenAI, Claude, Gemini, OpenRouter, MCP, Agents with Tooling and RAG

Cloud & DevOps

AWS (Lambda, S3, API Gateway), Azure, Serverless Framework, CI/CD, Vercel

Tools & Methodologies

TDD/Jest, React‑Native‑Testing‑Library, Agile/Scrum, Figma, Jira, Trello

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Work Experience

Lead App Developer
Built By Pixel Ltd · Manchester2023 – Present

Developed and launched cross‑platform React Native apps using Expo. Integrated generative UI powered by OpenAI & Claude via Vercel AI SDK. Established a TDD culture (Jest, React‑Native‑Testing‑Library) and mentored a squad of engineers.

React Native
Expo
OpenAI
Claude
Vercel AI SDK
TDD
Jest
Contract Developer
Polaris Elements Ltd · Stonehouse2022 – 2023

Maintained React portals with rigorous TDD, improving robustness and performance. Developed new admin web portals, boosting developer velocity and maintainability. Optimised Apollo GraphQL APIs (TypeScript/PostgreSQL), improving uptime and reducing query latency.

React
TDD
GraphQL
Apollo
TypeScript
PostgreSQL
Lead Developer
ListMe Ltd · London2019 – 2022

Delivered a React Native events‑management app and supporting GraphQL backend (Node.js, MongoDB, Redis) on AWS. Designed and built companion web portals with Next.js, enabling organisers to manage events and view analytics in real‑time. Trained and managed a team of developers through code reviews, pair programming and skills workshops, fostering a culture of continuous improvement. Championed Agile & TDD practices across the team.

React Native
GraphQL
Node.js
MongoDB
Redis
AWS
Next.js
Agile
TDD
Chief Technology Officer
Packrs.co · Remote2018 – 2021

Developed a React Native courier app with real-time tracking via WebSockets, used daily by couriers. Built a secure GraphQL backend with role-based auth, handling thousands of orders daily. Created a Next.js web portal for partners to monitor deliveries and inventory.

React Native
WebSockets
GraphQL
Auth
Next.js
Application Developer
Dexwallet.io · Remote2017 – 2019

Developed front‑end interfaces using React Native for iOS & Android. Implemented Ethereum blockchain integrations with Web3.js. Maintained the open‑source codebase and fostered community contributions. Built a web‑based POS system for accepting cryptocurrency payments, integrating wallet APIs and real‑time price feeds.

React Native
iOS
Android
Ethereum
Web3.js
Blockchain
Senior Web Developer
Scorchsoft Ltd · Birmingham2013 – 2017

Managed projects and developed backend systems (PHP, SCSS, MySQL). Built bespoke web projects and hybrid mobile apps with AngularJS and Cordova. Architected a custom Yii‑based CMS adopted company‑wide, streamlining content management.

PHP
SCSS
MySQL
AngularJS
Cordova
Yii
PHP Developer
The Bottom Line Marketing & Communications Ltd · Birmingham2012 – 2013

Built and maintained marketing & communications web portals using custom PHP MVC frameworks, ensuring fast load times and SEO‑friendly architecture. Took on frontend responsibilities, crafting responsive interfaces with vanilla JavaScript and jQuery to enhance client brand engagement. Collaborated closely with designers and content teams to deliver pixel‑perfect campaigns on tight agency deadlines.

PHP
MVC
JavaScript
jQuery

Recent Projects

Mignomic - AI Immigration Platform
Mignomic - AI Immigration Platform

An AI-powered immigration tool that simplifies the application process by automating form-filling, document scanning, and providing 24/7 assistance.

AI
React
Node.js
OCR
Chrome Extension
ListMe - Event Management
ListMe - Event Management

A comprehensive event management platform with QR code verification, paperless check-ins, and real-time guest management for venue operators and event planners.

React
Node.js
QR Code
Real-time API
Mobile
Galllery - Portfolio Platform
Galllery - Portfolio Platform

A simple platform for creating personal image galleries and portfolio websites with custom domains, mobile uploads, and sharing capabilities.

React
Next.js
Image Processing
Mobile App
Responsive Design
SH Devices - Smart Home Appliances
SH Devices - Smart Home Appliances

An e-commerce platform for modern home appliances offering competitive pricing on refrigerators, washers, dryers, and other smart home products.

E-commerce
React
Payment Processing
Inventory Management
Responsive Design

Get In Touch

Interested in working together? Feel free to reach out for collaborations or just a friendly hello!

Alternatively, you can reach me directly at:

perminder.klair@gmail.com
WhatsAppTwitterLinkedInGitHub