I am looking for freelance/contracting positions. My relevant tech stack consists of React using the Next.js framework for frontend. For backend, my go-to is a combination of the Python language with the use of FastAPI. I am an expert in full-stack web apps with years of experience at a fortune 200 and looking for projects within that domain.
Open to opportunities
Arnas Liesis
@arnasliesis
I build full-stack, AI/ML, and payment software systems.
United StatesWhat I'm looking for
At Genuine Parts Company, I build React applications for payments and shop management while developing Go services for the company’s payment switch.
I’ve delivered machine learning solutions for recommendations, anomaly detection, and OCR, and led the company’s first production Generative AI tools, including AI chat assistants for web and Microsoft Teams. I also advanced an LLM/RAG application to help the Legal team complete SEC filings.
I’ve worked across embedded systems, 5G testing, Web3 prototypes, and personal AI projects, from ESP32 firmware for firefighter monitoring to a Google Cloud-deployed Telegram AI assistant.
Experience
Work history, roles, and key accomplishments
Developed React.js applications and Go services for payments and shop management. Led production-level Generative AI solutions and mentored interns.
AT
Embedded Systems Intern
Ascent Integrated Tech
Apr 2022 - May 2022 (1 month)
Programmed C firmware for ESP32 microcontroller to support firefighter monitoring during active fire response.
Conducted field tests measuring 5G throughput and automated log processing in Python for business analysis.
Education
Degrees, certifications, and relevant coursework
University of Illinois at Urbana-Champaign
Bachelor of Science, Computer Engineering
2018 - 2022
Bachelors of Science in Computer Engineering from the University of Illinois at Urbana-Champaign from 2018 to 2022.
Tech stack
Software and tools used professionally
Availability
Open to opportunities
Location
United StatesAuthorized to work in
Salary expectations
70k+ USD
Social media
Job categories
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