Gurjit is available for hire
Hire GurjitGurjit Singh Sidhu
Verified Expert in Engineering
Full-stack Developer
Vancouver, BC, Canada
Toptal member since May 19, 2017
Bio
Gurjit has 10+ years of professional experience in cloud architecture (AWS and GCP), Agile delivery, and team leadership. He is currently focused on agentic AI development, using Claude Code and Cursor daily and integrating AI-assisted workflows into CI/CD for automated production deployments. Gurjit has experience bridging traditional engineering rigor with AI-native tooling.
Portfolio
PGT
Claude Code, Docker, GitLab CI/CD, Python 3, PostgreSQL, APIs
Tropicana Brands - Main
Full-stack, React, Python, Large Language Models (LLMs)
EZWS LLC
Shopify API, eCommerce, APIs
Experience
- Full-stack - 10 years
- Architecture - 10 years
- Python - 8 years
- Shopify Plus - 7 years
- React - 4 years
- Large Language Models (LLMs) - 4 years
- Claude Code - 2 years
- Cursor AI - 2 years
Preferred Environment
Cursor AI, Claude Code
The most amazing...
...project I've created is a service that accepts a face photo, then generates a 3D head model and creates a preview animation in a few seconds.
Work Experience
Tech Lead
2025 - PRESENT
PGT
- Adopted AI-assisted development workflows using Claude Code, integrating LLM tooling directly into the engineering process to accelerate iteration cycles and reduce time-to-feature.
- Applied prompt-driven architecture practices—breaking features into well-scoped specs before implementation—improving clarity of requirements and consistency of output across the front end and back end.
- Leveraged agentic coding tools for code review, refactoring, and exploratory analysis, shifting focus from syntax to system design and business logic.
Technologies: Claude Code, Docker, GitLab CI/CD, Python 3, PostgreSQL, APIs
Full-stack Developer
2023 - 2025
Tropicana Brands - Main
- Built and managed custom applications integrated with Synapse and Databricks warehouses to fetch, collate, and analyze data. Developed specific use cases on top of this data using React, Python, and RDBMS.
- Maintained legacy apps and built visual dashboards to analyze various integration jobs.
- Worked as a full-stack developer on a React app and Python API.
Technologies: Full-stack, React, Python, Large Language Models (LLMs)
Tech Lead
2021 - 2023
EZWS LLC
- Developed a web app for routing alcohol orders to distributors. It featured a React/Redux front end and a Python API back end, handling orders from various retail endpoints.
- Worked on this app that intelligently routed orders based on criteria like licenses, SKU availability, and inventory. It integrated with platforms like Shopify and FedEx, enhancing operational efficiency.
- Improved the client's order management significantly. Because the app was hosted on Google Cloud Platform, it utilized Google App Engine, VMs, and MySQL DB, ensuring robust performance and scalability.
Technologies: Shopify API, eCommerce, APIs
Software Developer
2019 - 2023
NatureCity
- Acted as a lead developer and migrated from a legacy asp website to Shopify. After the migration, I managed website enhancements and maintenance.
- Built a private app that interacted with various 3rd-party apps used at NatureCity.
- Handled site enhancements/updates and managed Shopify scripts/flows to support various business rules.
Technologies: Shopify Plus, Architecture, GraphQL, APIs
Full-stack Developer
2021 - 2022
Nash
- Worked with four Nash team members to provide integrations for Shopify stores.
- Used Python, GraphQL, and Postgre DB for the implementation.
- Used Shopify APIs and Webhooks to show local delivery rates (if available) during checkout.
Technologies: Python, PostgreSQL, Architecture, GraphQL
Full-stack React Developer
2021 - 2022
PartnerSlate
- Worked on building the front end for document signing and sharing flow.
- Involved in refactoring the codebase to reduce network calls and making the UI more responsive.
- Developed new APIs for planned features in Django and Python.
Technologies: React, Python
Shopify Developer
2020 - 2020
TextConnects
- Developed and customized the global nav, product page, homepage, and various pages for microkickboard.com and gemlux.com.
- Created Shopify scripts for custom discounting of products based on product tags and user tags.
- Worked on multiple short-term projects, all related to Shopify customizations.
Technologies: Shopify Scripts
Shopify Developer
2018 - 2020
DecoratorsBest
- Helped in the migration of a legacy website built in ASPX to Shopify.
- Modified a Liquid theme and created Liquid templates per the shop's needs.
- Wrote Shopify scripts to handle shipping and cart discounts based on user roles and other business rules.
- Maintained and enhanced HTML parsers and Shopify API to keep products on Shopify in sync with partner stores.
- Used Shopify flows, and custom scripts to build specific user flows for email marketing.
Technologies: Python, Shopify API, Shopify, Architecture, MongoDB
React Front-end Developer
2019 - 2019
App Factory | Golden
- Built the front end for the MVP in React.
- Developed various screens including a rich dashboard with multiple charts/graphs and estimators.
Technologies: React
Full-stack Software Engineer
2018 - 2019
Scoutible
- Built a dashboard app for an AI-based recruitment startup.
- Developed various API services to support the front end (on the Google App Engine and Python).
- Created the dashboard, the applicants' pages, and front-end pages using React/Redux.
- Integrated the app with third-party providers like Salesforce and Greenhouse.
Technologies: Python, React
Full-stack React Developer
2017 - 2018
Perfect Venue
- Developed a marketplace for event and spaces that enable users to add and update venues/spaces and to search for events based on various filters.
Technologies: Amazon Web Services (AWS), NoSQL, Python, React
Shopify Developer
2017 - 2018
Betsy and Brandts
- Selected a free Shopify theme and updated it as per the UI specified in the Sketch files.
Technologies: Shopify
Technology Lead | Co-founder
2012 - 2016
Kloneworld Pte Ltd
- Developed REST services for the creation of PDFs, personalized movies, and more.
- Architected and developed a franchise web app. It was used by various vendors to create personalized animations/ books.
- Created a unified payment services API module that integrated with many payment gateways.
- Architected and developed supporting web applications to configure books, animations, and diagnostics.
Technologies: Python, Architecture
Technology Advisor
2011 - 2012
Frrole
- Developed an API layer that exposed Frrole.AI social intelligence services.
- Created a scalable widget platform for supporting client-specific Frrole.AI widgets.
- Developed a Bootstrap CSS-based newspaper based on the Frrole API.
Technologies: Python, Architecture
Program Manager | Software Development Manager | Technical Fellow
2009 - 2012
Versata (Trilogy)
- Worked as a program manager for service platform enhancements and maintenance for a client in North America.
- Contributed to a performance enhancement project, developing Sprite Services, enhancing the Base64 CSS, automating the minifying of scripts/CSS files, and more.
- Managed the migration of a microsite made in legacy ASP to Java.
Technologies: Architecture
Experience
DecoratorsBest | Shopify Store
I migrated a legacy ASP application to Shopify.
Perfect Venue
https://www.perfectvenue.comI built a marketplace for event booking for a startup based out of Colorado. Technologies used were React and Python and AWS cloud (for hosting the app). The project included integrating Google Maps to show filtered venues.
Scoutible Dashboard
https://hire.scoutible.com/signin?next=%2FI was involved in the building of the customer success dashboard for Scoutible.
BetsyandBrandts.com | Shopify Store
I developed a theme for a Shopify store and supported the setup and integration with third-party services.
Ford Services Platform
A program manager for building a next-generation technology services platform for automotive OEMs.
Racing.Ford.com
I handled the software development for migrating the site, Racing.ford.com, to a new tech stack.
Microkickboard via Textconnects.com
https://microkickboard.comI developed the custom global menu and homepage sections. I also developed and customized the product pages with custom sections and created multiple custom pages such as https://microkickboard.com/pages/faq-knowledge-base.
Migration to Shopify
https://www.naturecity.com/• Handled migration of data from legacy site to Shopify.
• Built a private app to interact with apps.
• Led development for website enhancements/updates.
• Managed Shopify scripts/Shopify flows to support various business rules.
• Built a private app to interact with apps.
• Led development for website enhancements/updates.
• Managed Shopify scripts/Shopify flows to support various business rules.
Skills
Libraries/APIs
React, Shopify API
Tools
Shopify Plus, Claude Code, Google Analytics, Claude, GitLab CI/CD
Languages
Python, GraphQL, Python 3
Platforms
Shopify, Salesforce, Google Cloud Platform (GCP), Amazon Web Services (AWS), Blockchain, Pega, Docker
Storage
MongoDB, NoSQL, PostgreSQL
Other
Full-stack, Technical Leadership, Architecture, Large Language Models (LLMs), APIs, Shopify Scripts, Machine Learning, eCommerce, Llama 3, Cursor AI
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring