“Full-Stack Developer | SaaS, AI, CRM/ERP & Business Automation”
Gurwinder Singh — AI Development freelancer in Chandigarh
@gurwinder-singhVerifiedLinkedIn-Confirmed
“Full-Stack Developer | SaaS, AI, CRM/ERP & Business Automation”
Senior Full Stack Engineer with 9+ years shipping SaaS platforms, CRM/ERP systems, e-commerce stores, mobile apps and automation tools for founders in the US, UK, Canada, Australia and UAE. 90+ projects, 30+ clients, 100% Upwork Job Success, 99% on-time. Stack: React, Next.js, Node.js, TypeScript, PostgreSQL, MongoDB, React Native, AWS. Fixed quote before work starts, weekly demos on a live link, you own the code, and 30 days of free bug fixes after launch.
Trusted Leader — top 1% on LanceRank · 51 verified projects across 2 platforms.
“Great work from Gurwinder. Highly recommend for sustainment and support. Does awesome.”
— Prabhsimran
Reach out to Gurwinder on any connected platform — or direct if available.
LanceRank Status
Verified across identity, platform, and reputation · 6 of 8 trust signals
#3 of 28 in AI Development
#3 of 28 in AI Development
Live mirror · synced today
+3 pts in the last 13 days
At a glance
Gurwinder Singh is a AI Development freelancer based in Chandigarh with 50 verified projects, verified reputation across Upwork, Linkedin and Fiverr, LanceRank Score 94 (Trusted Leader), last updated 2026-10-26 on LanceRank.
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The number
51 verified projects · $20K+ tracked earnings · 742 hours logged at 4.95/5 across 45 reviews.
6 factors weighted to 100 points · all inputs independently verified
51 verified projects · $20K+ tracked earnings · 742 hours logged at 4.95/5 across 45 reviews.
The proof
What they do
Independent signal
Imported from LinkedIn
· third-party-verified by LinkedInFull Stack Developer specializing in AI integrations | ERP, CRM & SaaS Development | Business Automation & AI Solutions | React, Node.js
I help businesses turn complex operational and product ideas into reliable software.I’m an independent full-stack product engineer with 9+ years of experience building web and mobile applications, SaaS products, ERP and CRM systems, e-commerce platforms, business automation workflows, integrations, and practical AI solutions.My focus is not simply writing code. I work with businesses to understand the problem, design the right solution, and take it from architecture and development through deployment and ongoing…
500+
Connections
4,666
Followers
Skill checks
Skill checks are short, timed quizzes scored against an answer key. Only passed checks the freelancer has chosen to make public are shown.
GitHub
@whoguriRepos
5
Total stars
1
Followers
8
Top languages
Freelance AI Engineer
Aug 2026 — Present
LastKoin
Independent AI engineering for clients worldwide — building AI-powered SaaS features, automation tools and integrations on React, Next.js and Node.js.
Freelance Full Stack Developer
Oct 2022 — Sep 2026
F Koin Tech
Delivered SaaS platforms, CRM/ERP systems, e-commerce stores and process automation for clients in the US, UK, Canada, Australia and UAE using React, Next.js, Node.js, PostgreSQL and MongoDB. 100% Upwork Job Success.
Full Stack Developer & Manager
Nov 2019 — Sep 2022
Asrit Technologies Pvt. Ltd.
Built and shipped full-stack web and mobile products with React, Node.js and React Native while leading delivery for client projects.
Android Developer
Independent trust platform. How scores work · Report this profile
Very recently active, less than a year tenure.
Verified via LinkedIn + platform-ownership via extension + GitHub.
High-tier badge held (Top Rated).
LinkedIn: 6 recommendations.
5 passed quizzes worth 12 proof points.
Scores recalculate automatically as new verified data arrives. Higher volume of verified work, stronger badge tier, and consistent rating quality are the biggest drivers.
How the score has changed over time
Score is recalculated each time new platform data or reviews are processed. One snapshot recorded per day.
Verified 13 days ago
Full review text available on the original platform — see the link below.
Originally posted on Upwork →
Gurwinder is a reliable, skilled full-stack developer who quickly understands project requirements and delivers high-quality work. His communication, problem-solving, and ability to work independently make him a valuable technical partner. I would recommend him to anyone looking for an experienced developer for web applications and SaaS products.
Don't see a way to leave a review? That's by design. Reviews on LanceRank are invitation-only and verified — freelancers send you a direct link if you've worked together.
LinkedIn user
“We worked together for more than 2 years in the same company where I was the QA. According to me his own abilities as a software engineer are top-notch - any company would be lucky to have him as a developer and mento…”
WORKED_IN_SAME_GROUP
LinkedIn user
“Highly talented, less words more work that's what gurwinder is made for !!!”
WORKED_IN_SAME_GROUP
LinkedIn user
“I had the opportunity to work under Gurwinder Singh’s leadership. He is a supportive, knowledgeable, and dedicated leader who provides valuable guidance and encourages professional growth. I truly appreciate his leade…”
RECOMMENDER_REPORTED_TO_RECOMMENDEE
Artificial Intelligence Engineer
Jul 2026 — Present
LastKoinVerified via LinkedIn
Working as a Freelance AI Engineer at LastKoin, integrating AI-powered features for candidate profile analysis, intelligent job matching, and career assessment. Developing AI-dr…
Full Stack Developer
Sep 2022 — Aug 2026
F Koin TechVerified via LinkedIn
I work independently with businesses and product teams to design, build, and improve custom software products and business systems. My work spans the full product lifecycle, fro…
Full Stack Developer and Manager
Oct 2019 — Aug 2022
Asrit Technologies Pvt. Ltd.Verified via LinkedIn
Worked across the full software development lifecycle, delivering web and mobile applications while taking responsibility for technical implementation, architecture, team coordi…
Android Developer
Dec 2017 — Sep 2019
SachTech Solution Private LimitedVerified via LinkedIn
Developed Android applications and contributed to the complete mobile application lifecycle, including implementation, API integration, debugging, testing, and maintenance. Work…
Java Intern
Dec 2016 — Nov 2017
Solitaire Infosys IncVerified via LinkedIn
Worked on Java-based software development tasks while building foundational experience in application development, programming, debugging, and software engineering practices.
S.U.S. Govt. College, Sunam
BCA
Punjabi University
M.C.A.
Jan 2018 — Oct 2019
Sachtech Solutions Pvt. Ltd.
Developed native Android apps in Java and Kotlin, from feature development to Play Store release.
Java Intern
Jan 2017 — Dec 2017
Solitaire Infosys Inc
Java and Android development internship alongside MCA studies at Punjabi University, Patiala.
