“Cupcake has been of great help and super responsive on our request.”
Jean-Baptiste J.
Chrome Extension project
CLIENT REVIEWS
Founders and product teams we’ve built with — straight from Upwork, our inbox, and the projects themselves. Every quote is real and unedited.
Cupcake Development is a Top Rated software studio on Upwork with a 5.0-star rating, a 100% Job Success Score, and 2,000+ hours delivered across 21 projects. Founders of products like Cashrewards, EcoCart, Evaboot, Monetha, Ludio and Share-A-Cart credit the team with proactive product thinking, rigorous QA, and dependable communication.
Top Rated on Upwork→“Cupcake has been of great help and super responsive on our request.”
Jean-Baptiste J.
Chrome Extension project
“They provided us with the tools to create a seamless shopping experience that keeps customers coming back time and time again.”
Andrew Clarke
Founder, Cashrewards
“We were just trying to find engineering talent that understood our tech stack and understood the affiliate space. Because of a lot of experience, you brought up things that we didn't even know were things.”
Ed Kozek
CEO, Share-A-Cart
“Cupcake did a great professional job with our project. Deliver on time with the highest quality. Highly recommended!”
Shuki D.
Advanced browser extension
“With their technical prowess and most of all their consulting skills, Cupcake Development House has proven to be a more than competent and reliable partner for our ongoing endeavor. We look forward to working with them again in the future!”
Lee Donohue
Product Manager, Rewardo
“You guys are more of a partner that's invested in the business as much as we are versus just some contractor that we farm out.”
Ed Kozek
CEO, Share-A-Cart
“Great communication and delivery of the product.”
Alastair C.
Custom browser extension
“They helped us build our browser extension MVP. They delivered results on time and were efficient and effective.”
Dan Disalvio
CEO, Loyalty
“Notably, the data has been impressively clean for a dataset of its size... The files were immediately usable and easy to review. Many thanks to you and the dev team for the strong work and careful QA here.”
Scott Kluth
Founder & CEO
“Great work, many thanks!”
Alastair C.
Chrome Extension SaaS product
“Working with the team of Cupcake Development has been easy and I have enjoyed working with them on multiple occasions! I would definitely recommend Cupcake Development to anyone who has a web dev project especially if you are based in the US, UK, and Australia. Results have far outweighed expectations.”
Chris Garner
“Thanks again for all the work on this project. We see a lot of promise in the output and are excited about moving this data live.”
Scott Kluth
Founder & CEO
“Great communication and professional team!”
Pieter-Jan V.
Chrome Extension development
“Great agency. Apart from their stellar work, their communication is through the roof (props to Dasha and Valery in particular). Their QA is a blessing since there are relatively no bugs we found, but those we find were quickly resolved. We are looking to make Cupcake Development people our go-to website people.”
Ankit Buddhiraju
CEO, Ludio
“Thanks Val, you and your team did a lot of fantastic work for CR.”
Philip Crandall
COO, Cashrewards
“These guys are focused on success of the products they work on, at least they did amazing job on our app for sure. We had a problem with the app but they offered a solution that saved our budget and the MVP turned out fine. Cupcake dev are experts in Web, React and generally Chrome and Safari browsers. Not to mention communication, it was quite clear and professional.”
Verified Upwork client
Safari extension development
“Thank you very much!!! It's always very good working with you and your team! Excellent teamwork, fast and reliable. With their product management expertise, you get not just a developer, but a smart partner suggesting the best solutions.”
Henrique Silva Arruda
Save.me
“My sincere thanks for the support and partnership you've provided over the past few years. Your team's dedication and the value you've delivered have played a meaningful role in our success. We've appreciated the professionalism, expertise, and collaboration throughout our time working together.”
Dmitry Klymenko
Head of Engineering, Cashrewards
“Cupcake Dev has done a tremendous amount of high-quality work for us in the last year. They built a full-fledged MVP of our video-chat product that delights users. This was a huge engineering lift since the features are complicated and need to work perfectly for the product to be usable. A fantastic job all around and we look forward to continue working with them!”
Verified Upwork client
Video-chat app for games
“Incredibly knowledgeable, friendly, prompt, and professional team. I was particularly impressed, from the very beginning, with their quality of work (both specialized with Chrome Extensions, but also generally with our other products and web apps). They really know their stuff and I look forward to working with them again in the future.”
Dane Baker
Co-Founder & CEO, EcoCart
“Great experience working with Cupcake Development as usual. We've stuck to these freelancers for all our projects. They're very proactive with mocking up/specc'ing out all the requirements of a project before they start to implement anything.”
Verified Upwork client
Web app & backend (Angular + Node.js)
“With your QA phase, I can almost upload a new build to Chrome store blindly.”
Jean-Baptiste Jézéquel
Co-Founder, Evaboot
“Valery and Cupcake again delivered what we were after, on time and on budget. Thanks!”
Verified Upwork client
WordPress development
“Cupcake Dev really cared about the product and their work! They would proactively make suggestions for how to implement the features we wanted, often coming up with better ideas or better versions of the same idea. Great communication, timely work, and we're so happy with how our product turned out!”
Ankit Buddhiraju
Co-Founder & CEO, Ludio
“Cupcake continue to provide totally reliable service, with great communication, always tailored to what we're after, as their client. Will be returning.”
Verified Upwork client
WordPress development
“I appreciate Cupcake Dev's pro-active approach and the fact that they generously share their technical and business experience in the niche with us. They do care about what they are building and how it is going to look like for our users.”
Slava Ruckis
Chief Product Officer, Monetha
“Once again, Valery & Cupcake are excellent communicators, deliver with a refreshing promptness, and always exhibit professionalism. Thanks, we’ll be back.”
Verified Upwork client
WordPress development
“What made Cupcake unique was their blend of technical excellence, creative problem-solving, and the ease of working with a team that felt like an extension of our own. Their ability to combine these strengths with a flexible and responsive approach has turned them into an invaluable partner for us. It’s this combination that left us as big fans of their work.”
Ben Avis
Founder & CEO, Treea
Straight answers about our track record, ratings, and what it’s like to work with us.
Cupcake Development is Top Rated on Upwork with a 5.0 out of 5 star rating and a 100% Job Success Score, earned across 21 completed projects and more than 2,000 hours of work.
Yes. Across verified Upwork reviews, client testimonials and project case studies, clients consistently describe Cupcake as reliable, communicative and on-time — and many return for multiple projects spanning several years.
Clients highlight proactive product suggestions, rigorous QA, and a partner mindset. Ed Kozek (Share-A-Cart) called the team “a partner that’s invested in the business as much as we are,” and Dane Baker (EcoCart) praised their quality of work across Chrome extensions and web apps.
Yes. The Upwork reviews are verified by Upwork and tied to real, paid contracts. The remaining quotes come directly from clients and from documented project case studies.
Browser extensions (Chrome, Safari, Manifest V3), single-page applications, full product MVPs, real-time video-chat apps, and data and AI automation — across e-commerce, cashback, affiliate and SaaS industries.
Tell us what you’re building. We’ll tell you how we’d ship it — and back it up with the same care these clients are talking about.
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