Reviews
What my clients say about our collaboration
MB
P2P Voice-Call Application
My second great experience with Sem! 100% would work with him again.
MP
MP3 Decompression Algorithm
Phenomenal experience working with Sem on very challenging front-end + algorithms work. Sem is a very talented computer scientist and software engineer, skilled, and with a strong "Will to finish" and tenacity needed to tackle very difficult tasks. Very well done, Sem! I am excited to work with you again in the immediate future.
SS
MacOS Utility Application
I'm delighted to work with Sem. He is a very skilled engineer and very efficient. I highly recommend him.
JB
Audio Player Integration
Great! Sem explored a number of possible solutions and we got to the bottom of a difficult bug
AC
Web Component Integration
AC
Chrome Extension Development
Great communication & amazing technical skills
MT
Thunderbird Add-on
Very happy with Sem: good programming skills, smooth communication and very quick to reply and solve problems. Highly recommended
AK
AI Summarization Extension
Highly recommend! It's always a pleasure to work with Sem, he is reliable, communicates well and delivers according to the requirements.
AK
QR Code Styling Library
Everything is working exactly as per requirements, thank you!
MB
Text-to-Speech Application
Great to work with. Very responsive. Very knowledgeable. Went above and beyond to deliver a great app!
MM
Chrome Extension Development
Sem is what you hope every upwork freelancer to be like. He communicates well, responds quickly and got the job done way before deadline. I would recommend him and will look to hire him again when similar projects pop up.
MB
P2P Voice-Call Application
My second great experience with Sem! 100% would work with him again.
MP
MP3 Decompression Algorithm
Phenomenal experience working with Sem on very challenging front-end + algorithms work. Sem is a very talented computer scientist and software engineer, skilled, and with a strong "Will to finish" and tenacity needed to tackle very difficult tasks. Very well done, Sem! I am excited to work with you again in the immediate future.
SS
MacOS Utility Application
I'm delighted to work with Sem. He is a very skilled engineer and very efficient. I highly recommend him.
JB
Audio Player Integration
Great! Sem explored a number of possible solutions and we got to the bottom of a difficult bug
AC
Web Component Integration
AC
Chrome Extension Development
Great communication & amazing technical skills
MT
Thunderbird Add-on
Very happy with Sem: good programming skills, smooth communication and very quick to reply and solve problems. Highly recommended
AK
AI Summarization Extension
Highly recommend! It's always a pleasure to work with Sem, he is reliable, communicates well and delivers according to the requirements.
AK
QR Code Styling Library
Everything is working exactly as per requirements, thank you!
MB
Text-to-Speech Application
Great to work with. Very responsive. Very knowledgeable. Went above and beyond to deliver a great app!
MM
Chrome Extension Development
Sem is what you hope every upwork freelancer to be like. He communicates well, responds quickly and got the job done way before deadline. I would recommend him and will look to hire him again when similar projects pop up.
MB
P2P Voice-Call Application
My second great experience with Sem! 100% would work with him again.
MP
MP3 Decompression Algorithm
Phenomenal experience working with Sem on very challenging front-end + algorithms work. Sem is a very talented computer scientist and software engineer, skilled, and with a strong "Will to finish" and tenacity needed to tackle very difficult tasks. Very well done, Sem! I am excited to work with you again in the immediate future.
SS
MacOS Utility Application
I'm delighted to work with Sem. He is a very skilled engineer and very efficient. I highly recommend him.
JB
Audio Player Integration
Great! Sem explored a number of possible solutions and we got to the bottom of a difficult bug
AC
Web Component Integration
AC
Chrome Extension Development
Great communication & amazing technical skills
MT
Thunderbird Add-on
Very happy with Sem: good programming skills, smooth communication and very quick to reply and solve problems. Highly recommended
AK
AI Summarization Extension
Highly recommend! It's always a pleasure to work with Sem, he is reliable, communicates well and delivers according to the requirements.
AK
QR Code Styling Library
Everything is working exactly as per requirements, thank you!
MB
Text-to-Speech Application
Great to work with. Very responsive. Very knowledgeable. Went above and beyond to deliver a great app!
MM
Chrome Extension Development
Sem is what you hope every upwork freelancer to be like. He communicates well, responds quickly and got the job done way before deadline. I would recommend him and will look to hire him again when similar projects pop up.
Reviews from Upwork
Projects
Logic simulator
Design and simulate logical circuits with this interactive logic simulator.
ViewContact
I'm always open to new opportunities. If you have a project you'd like to discuss, please get in touch.
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