I Build AI Systems and Digital Products That Solve Real Business Problems.

"Hari worked hard to provide a solution to my test case and went in depth when explaining all the decisions he made. Good work."

"Working with Hari was very good. He understood the idea very well and offered great solutions and ideas along the way. His support was amazing and I recommended him highly."

"Hari is a very good communicator and a hard worker. Working with him has been really great as he is very trustworthy and meets deadlines. Looking forward to continuing working with you Hari!"

"Working with Hari was very nice. Quick responses and fast work."

"Great experience working together. Communication was clear and quick throughout the project, and the work was completed professionally and on time. Very responsive to feedback and easy to collaborate with. Would definitely recommend and work together again."

"Great communication, assisted with all requests. Very professional and we will be hiring him again."

"Having reviewed Hari's portfolio, I knew he was someone I wanted to collaborate with. I was working within a tight budget and Hari brought real creativity to our first call, suggesting smart ways to adapt the scope without compromising quality. His balance of vision and practicality made it easy to agree on a plan that made the collaboration possible. Hari's ideas and expertise were invaluable in shaping the prototype’s functionality, look, and feel. He was extremely responsive, fast with every update, and consistently delivered high-quality work. He’s also very easy to talk to, which made the entire process smooth and comfortable. I’m very pleased with the experience and hope to work with him again. Highly recommended!"

"Great to work with. Smart, clear and polite."

"Hari worked with great enthusiasm, imagination, and professionalism throughout the entire project. He was consistent, creative, and always willing to find solutions whenever challenges came up. I truly appreciated his communication and reliability, and I’ll definitely collaborate with him again for new ideas and the next stages of my current project. Highly recommended!"

"Hari is an exceptional developer. I had a very unique project and he handled every request I threw his way quickly and professionally. He's a great communicator and understood the requirements with very little explanation. In fact, I don't think we ever even had a call, he just watched my recordings and got to work. I plan to continue to work with Hari as long as he lets me!"

"Hari is absolutely amazing to work with. He communicates extremely well, super fast delivery and excellent standards of work. He is one of the top freelancers on Upwork and I will be working with him long-term for all of my ongoing software development work. Highly recommend!"

"Exceptional delivery of the project! Hari was professional, efficient, and delivered high-quality work on time. Communication was smooth, and they were quick to make adjustments when needed."

"Hari is an absolute pro when it comes to Bubble and no-code development! They tackled complex API integrations with ease and delivered a seamless, high-quality solution. Their problem-solving skills, technical expertise, and clear communication made the process smooth and efficient. They were proactive, detail-oriented, and went the extra mile to ensure everything worked perfectly. Highly recommend for any Bubble or no-code project—will definitely work with them again!"

"Nice experience working with Hari we recommend 👍 we launched our MVP with him and would be happy to collaborate again ! He will work on our next features."

"Hari was fantastic to work with! He played a key role in building and optimizing our app on Bubble.io, delivering high-quality work efficiently. His expertise, problem-solving skills, and attention to detail made a huge difference in our project. Communication was smooth, and he was always responsive to our needs. Highly recommend Hari for any Bubble.io development work!"

"Hari successfully completed the project and met all expectations. He demonstrated a strong work ethic, a positive attitude, and great patience in addressing bugs and resolving issues. It was a pleasure working with him, and I look forward to collaborating again on the continuation of the project!"

"Ive been working with Hari the past couple of months and I've had an incredible experience. He is very knowledgeable and an expert when it comes to Bubble and how it runs. He was able to edit my template exactly how i had envisioned it. Communication was quick, almost always responding within an hour, setting up meetings was a breeze and there were never really misunderstandings. I will definitely be working with Hari in the future on this project and all others that come. He is incredibly flexible and understanding to what his clients need. His recommendations were excellent and showed how much experience he really has."

"We are very pleased with his skills and especially patience when dealing with setbacks and unexpected issues. Will work with him again."

"Hari Prasad exceeded all expectations on our AI product in Bubble. His expertise in Bubble’s capabilities enabled him to create a powerful, user-friendly application that perfectly met our needs. Hari’s proactive communication, efficient problem-solving, and commitment to quality helped us avoid roadblocks and launch on schedule. We’re thrilled with the results, and our users love the seamless experience and AI accuracy. Hari is a skilled professional who goes above and beyond—definitely looking forward to working with him again on future projects."

"Excellent, fast work on my Bubble site. Hari did exactly what was needed to get the site fully functional again. Would use again!"

"Hari Prasad consistently delivered tasks on time and with great quality. He followed the processes carefully and met deadlines. Hari kept the team updated on his progress and any challenges, which helped the project run smoothly. He worked well with the team and used Clickup effectively to manage his tasks. His contributions were important to the success of the project."

"Hari was very experiences with developing low-code apps and very easy to work with and hard working."

"Hari's been very good to work with. Responsive and reiiable."

"This is the second job with Hari. He is very experienced in API integrations with bubble and was able to help me with exactly what I need. I'd definitely work with them again."

"Hari & his Zero2One is exceptional. Highly knowledgeable, quick, patient, and incredibly skilled with Bubble. I highly recommend him—10/10!"