Client Proof
Trusted
delivery.
Feedback from product owners, founders, and engineering teams who hired APTO for architecture, integrations, performance work, and production delivery.
All testimonials
Voices.
A complete list of public client feedback connected to APTO's delivery work. Each review reflects real project outcomes, not anonymous marketing copy.
Upwork"Agamemnon was excellent to work with. Everything was done quickly, professionally, and exactly as requested. Communication was clear and to the point — no unnecessary back and forth. I would..."
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Upwork"The freelancer did a great job over the course of this project. What started as a simple API integration to fetch stock and sales data from Amazon marketplaces evolved step by step into a much more advanced internal tool – and he adapted to every new requirement along the way. He consistently delivered clean and functional updates, improved the logic behind stock forecasting and distribution, and supported us in turning a basic concept into a practical and scalable solution for inventory management. The collaboration is now successfully completed, and we’re very satisfied with the outcome. We appreciate his expertise and dedication throughout the process. Highly recommended for anyone looking to build or improve Amazon API-based tools."
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Upwork"Agamemnon has great skills in the field of Pagespeed Optimization. Thanks for your help and the valuable insights and learnings."
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Upwork"Agamemnon did a good job . He was available to look into things when needed . He is reccomended from my side .."
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Upwork"I strongly recommend working with APTO. Unique ideas and a pleasure to work with."
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Upwork"Happy with the end result, problems were successfully resolved with the freelancer going the extra mile."
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Upwork"Agamemnon Katradis is one of the best contractors I've had the chance to work with on this platform. He is very proficient at his work, and always came up with ideas and suggestions for the tasks we had to complete. His communication skills are also excellent, as its very important to work with someone who is polite, understanding and knows how to approach any given conversation. I will certainly work with him again in the near future!"
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Upwork"This guy is the real deal. He is intelligent, quick, reactive, proactive, enthusiastic, creative, lovely, professional, communicative. Could not have imagined anyone better for my website project than him. Actually, he handled it much better than I thought anyone could. No one can be more recommended than him."
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Upwork"Excellent team to work with. Was very prompt in his communication and did an excellent job. I am also impressed in his initiative to recommend other solutions and share ideas. Enjoyed working with him."
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Upwork"Great work from APTO, will definitely work again with this team."
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Upwork"I always had my plan very vague ... and i had only put up few main points about how it has to be done... These guys had the IQ to understand my objectives and made it to the reality very easily... It was even more difficult for me to make others understand what my objectives were but these guys nailed it. In most of the issues i had... these people always came with much better and innovative solutions.... which i felt that those solutions are more better than what my competitive websites are having. Most importantly i noticed these developers do a lot of work within an hour than others developers who actually take 3 or more hours for the same work."
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Refferal"I have been working with Apto for almost 6 months developing and running an online marketplace. We started this project from scratch, and I am impressed with their ability to contribute in every aspect of the development process – from web design and UI/UX to front and back end coding and overall business strategy. I am also impressed by the team’s responsiveness, professionalism and commercial awareness as well as by their ability to creatively add on our suggestions and proactively improve our ideas. An excellent team of highly professional people and a joy to work with."
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Upwork"Thank you very much Apto! You are a gem freelancer! You are proactive and really value your work. I would definitely hire you again."
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Upwork"Excellent communication from start to finish. Went above and beyond. Increased site speed from 5-8 second load time to below 3 seconds. Give tips for how to achieve additional speed increase and even assisted in one code issue on the site. Will use again in the future. English is perfect and it was exactly like working with someone in the US. I had full trust in Agamemnon."
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Upwork"Strong work Ethic, hardworking, honest about what he is doing, his traits are marketable. he does not leave the job until it is finish although the problem is not his or cause by him, he has the qualities of a great worker. i am more than satisfy."
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Upwork"Great person, Had done more and beyond what he promised, very good communication :)"
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Upwork"Great communication and code quality. Professional approach to the needs of the projects and always delivering on time. Adjustable to our coding structure and a great person to work with."
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Upwork"If giving 6 stars is an option, this guy would get it. I'm very happy with the work he has done and will be sending him work for my future projects. If you value your time then this is the guy to work with."
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Upwork"Did everything I asked. Very knowledgeable. Helpful and good for opinion and ideas. Would not go to anyone else if I have more work to be doe."
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Upwork"great work and very helpful! guided us with every step. Thanks!"
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Upwork"Agamemnon (Menios) is great. He seems to best at back-end work and getting API's to work. I think he's very good and I will be using him again."
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Upwork"Agamemnon did an amazing job with creating us responsive dashboards. It has helped tremendously with providing valuable insight into our operations. Thank you for the results!"
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Upwork"The team has good communication and skills. Just be clear about what you want and they will do it with pleasure. I recommend and hope to be able to work quickly with them."
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