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 over a decade of experience in software development, during which he has acquired extensive expertise in technology architecture, cloud computing (including PaaS/SaaS, AWS, and GCP), and agile development methodologies. He possesses exceptional communication skills and has successfully collaborated with teams of various sizes. Additionally, Gurjit is well-versed in leveraging large language models (LLMs) to enhance productivity and is eager to learn new technologies and paradigms.
Portfolio
Tropicana Brands - Main
Full-stack, React, Python, Large Language Models (LLMs), Open-source LLMs...
EZWS LLC
Shopify API, eCommerce
NatureCity
Shopify Plus, Architecture
Experience
- Architecture - 10 years
- Full-stack - 10 years
- Python - 8 years
- Shopify Plus - 7 years
- React - 4 years
- Large Language Models (LLMs) - 3 years
- OpenAI API - 2 years
- Open-source LLMs - 1 year
Availability
Part-time
Preferred Environment
Cursor AI
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
Full-stack Developer
2023 - PRESENT
Tropicana Brands - Main
- Leveraged advanced large language models (LLMs) such as OpenAI and Anthropic APIs, along with vector search databases, to build retrieval-augmented generation (RAG) systems tailored to meet complex enterprise requirements.
- 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.
- Participated in client meetings to prepare requirement docs/ design documents and led the implementation of the abovementioned projects.
Technologies: Full-stack, React, Python, Large Language Models (LLMs), Open-source LLMs, OpenAI API, Claude, Llama 3
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
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
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
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
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
https://www.decoratorsbest.com/I migrated a legacy ASP application to Shopify.
Scoutible Dashboard
https://hire.scoutible.com/signin?next=%2FI was involved in the building of the customer success dashboard for Scoutible.
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.
BetsyandBrandts.com | Shopify Store
I developed a theme for a Shopify store and supported the setup and integration with third-party services.
Kloneworld Pte. Ltd.
Kloneworld uses a mix of technologies and creativity to pass on stories that inspired and entertained us when we were kids, onto the next generation. Kloneworld offers you an unmatched personalized storytelling experience with just a single face photo.
Frrole
Frrole is an AI platform that works at the intersection of social data and consumer intelligence.
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.
Education
2021 - 2021
Nano Degree in Blockchain Developer Nano Degree
Udacity - Online
Certifications
JULY 2020 - PRESENT
Pega Certified System Architect (PCSA)
Pega
NOVEMBER 2019 - PRESENT
Google Cloud Associate Cloud Engineer
JUNE 2019 - PRESENT
Salesforce Platform Developer I
Salesforce
NOVEMBER 2018 - PRESENT
Advanced Google Analytics
NOVEMBER 2018 - PRESENT
Deep Learning Specialization (Five Courses)
Coursera
DECEMBER 2017 - PRESENT
Bitcoin and Cryptocurrency Technologies (Blockchain)
Princeton University via Coursera
MARCH 2017 - PRESENT
AWS Certified Solutions Architect
Amazon
DECEMBER 2016 - PRESENT
Machine Learning
Stanford University via Coursera
Skills
Libraries/APIs
React, Shopify API, OpenAI API
Tools
Shopify Plus, Google Analytics, Claude
Languages
Python
Platforms
Shopify, Salesforce, Google Cloud Platform (GCP), Amazon Web Services (AWS), Blockchain, Pega
Storage
NoSQL, PostgreSQL
Other
Full-stack, Technical Leadership, Architecture, Large Language Models (LLMs), Shopify Scripts, Machine Learning, eCommerce, Open-source LLMs, Llama 3, Cursor AI
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