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Sergiy
@sensey_3
Level 1
Full Stack AI Developer, 13 AI projects, 24 day average delivery of MVP
Ukraine
English, Ukrainian
About me
đŒ I'm an AI-first Full Stack developer with 6+ years exp.
Why me
- 13+ AI projects delivered
- Human experience + AI efficiency
- Trusted by a Forbes-featured client / ex-Microsoft
đ Leverage Technical, Analytical, and Problem-Solving skills
What I do
âą AI chatbots & AI agents
âą web/mobile apps (Saas)
âą RAG systems & custom AI tools
âą Automation & API integrations
âą End-to-end development: idea â launch â scale
I have deep knowledge of:
đ§âđ» AI đ§âđ» Front end / Back end đ§âđ» Mobile
What will đđ take over first in your business?
Let`s figure that out -> message me.
Skills
Sergiy
$25/hour
Offline âąÂ
Average response time: 2 hours
See my services
AI Websites & Software
I will build ai agent for automation and workflows
Full Stack Web Applications
I will build custom web dashboard or CRM with ai
Want to work on an hourly basis?
Tell Sergiy what you need.
$25
/
hourPortfolio
Work experience
AI engineer
Visa âą Self-employed
Nov 2024 - Present âą 1 yr 9 mos
Worked as an AI engineer focused on building AI-powered automation and backend solutions using Python and Django. Developed AI features for document processing, data extraction, classification, and workflow automation. Integrated LLM-based tools into existing systems, worked with APIs, databases, and backend logic to make AI solutions reliable and production-ready. Responsibilities included: - Building Python/Django backend services for AI-powered features - Integrating AI models and external APIs into business workflows - Creating automation tools for data processing and decision support - Working with structured and unstructured data - Improving system performance, reliability, and maintainability - Collaborating directly with clients to understand business requirements and turn them into technical solutions
Full Stack AI developer
Requestum âą Full-time
Nov 2022 - Nov 2024 âą 2 yrs
Full-stack development for a crypto platform: NFT flows, dashboards and user interaction logic. Built responsive UI and worked closely with the team to integrate blockchain functionality. Worked on interfaces that made complex web3 logic feel simple and intuitive for users.
Delivery Suport Engineer
Techlexity âą Full-time
Jun 2022 - Nov 2023 âą 1 yr 5 mos
Worked alongside the mobile engineering team and oversaw the last mile of delivery
6 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 6 Reviews
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Most relevant
uspektor
Repeat Client
Canada
Excellent collaboration from start to finish every time. Strong ownership, clear communication, and a solid understanding of the project requirements. Delivery was timely, feedback was handled professionally, and the final result met the agreed scope. Highly recommended.
Helpful?
uspektor
Repeat Client
Canada
Excellent experience working together. He quickly understood the business needs and kept communication clear and consistent throughout the entire process. Everything was delivered on time and exactly as expected. Highly recommend him if youâre looking for someone reliable, professional, and fast.
Helpful?
uspektor
Repeat Client
Canada
Excellent work on our custom CRM dashboard. Clean UI, solid performance improvements, and great attention to the details. Communication was clear and delivery was fast. Will definitely work together again.
Helpful?
suarchik
Repeat Client
Canada
Second time dealing with this amazing person. Quick response and professional assistance with how to fix all my bugs. Price is right for work!
Helpful?
norbert28
Germany
Sergiy delivered the work with great attention to detail and professionalism. Communication was smooth and clear throughout the entire process. He demonstrated a deep understanding of the requirements and was very cooperative with revisions and feedback. The final result met expectations and was...
Helpful?
