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Serhii L. - Fullstack Developer, GPT Chatbot, Artificial Intelligence

Working at Softaims has been an experience that continues to shape my perspective on what it means to build quality software. I’ve learned that technology alone doesn’t solve problems—understanding people, processes, and context is what truly drives innovation. Every project begins with a question: what value are we creating, and how can we make it lasting? This mindset has helped me develop systems that are both adaptable and reliable, designed to evolve as business needs change. I take a thoughtful approach to problem-solving. Instead of rushing toward quick fixes, I prioritize clarity, sustainability, and collaboration. Every decision in development carries long-term implications, and I strive to make those decisions with care and intention. This philosophy allows me to contribute to projects that are not only functional, but also aligned with the values and goals of the people who use them. Softaims has also given me the opportunity to work with diverse teams and clients, exposing me to different perspectives and problem domains. I’ve come to appreciate the balance between technical excellence and human-centered design. What drives me most is seeing our solutions empower businesses and individuals to operate more efficiently, make better decisions, and achieve meaningful outcomes. Every challenge here is a chance to learn something new—about technology, teamwork, or the way people interact with digital systems. As I continue to grow with Softaims, my focus remains on delivering solutions that are innovative, responsible, and enduring.

Main technologies

  • Fullstack Developer

    10 years

  • node.js

    1 Year

  • TypeScript

    6 Years

  • JavaScript

    6 Years

Additional skills

  • node.js
  • TypeScript
  • JavaScript
  • LangChain
  • OpenAI API
  • Firebase
  • Firebase Cloud Firestore
  • Google Cloud Platform
  • PostgreSQL
  • Redis
  • Git
  • LLM Prompt Engineering
  • GPT Chatbot
  • Artificial Intelligence

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Potentially possible

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Experience Highlights

Mental Health Support App | Node.js, NLP

Duration: 7 months Developed NestJS Back-end for a Flutter application and admin dashboard. My responsibilities: - Database architecture - Media upload to AWS S3 - Recommendation algorithm (NLP tokenization) - Stripe billing integration - Internal currency and rewards logic - Admin dashboard - Setup CI/CD, Docker container - Postman API Documentation

Lead Generation Platform | Node.js, AI

Duration: 1 year and 1 month Developed a high-performance Lead Generation platform with AI-driven automated SMS campaigns. Responsibilities: - Designed and implemented a 3-layer server architecture - Managed PostgreSQL database administration - Integrated OpenAI API for AI-driven features - Integrated Twilio, Telnyx, and Plivo for SMS automation - Implemented Stripe for billing and payments - Performance optimizations - Data migration, Google Pub/Sub

AI Chatbot MVP | LangGraph, Next.js

Duration: 2 weeks Developed an AI assistant that processes doctor-patient audio recordings, extracts key information, and manages patient medical history. My responsibilities: - LangGraph agent architecture - Assembly AI integration for transcribe - OpenAI API integration - PDF / Docx generation

White Label Crypto Wallet App | NestJS, Blockchain

Duration: 5 months Held full responsibility for standalone microservices in a white-label crypto-fiat exchanger. My responsibilities: - Integration of Crypto Exchanges - Payment Gateway - Database architecture

Education

  • Physics and Technical Lyceum (PTL)

    High school degree in Computer science

    2009-01-01-2012-01-01

Languages

  • English
  • Russian
  • Ukrainian

Personal Accounts