Nazar Slipko

Jobs 0% verified

Software Developer

Not On The High Street

Aug 2025 - Mar 2026 (8 months)

• Developed an AI-powered chatbot using LLMs to answer user questions with natural language responses. • Designed and implemented a conversational AI assistant using LangChain and OpenAI. • Implemented prompt engineering and response evaluation to improve chatbot accuracy and UX
Senior Backend Developer

Thinkific

Jan 2024 - May 2026 (2 years 5 months)

• Developed scalable backend services powering high-traffic e-commerce platform, ensuring high availability, performance, and reliability. • Led the implementation of microservices, optimized database performance, and collaborated with cross-functional teams to improve order processing, inventory management, and system scalability while mentoring junior developers and supporting production deployment. • Secured APIs against common vulnerabilities using Helmet, CORS, and rate limiting.
R

Backend Developer

Rapanui

Mar 2022 - Aug 2023 (1 year 6 months)

• Developed RESTful APIs to support internal business applications and manufacturing operations, working closely with senior engineers to deliver reliable software solutions. • Assisted in database design, SQL query optimization, bug fixing, and API integration while gaining hands-on experience with Java, Spring Boot, and agile development practices. • Integrated email notification using SendGrid or Nodemailer.
Backend Developer

White Cloak Technologies

Apr 2021 - Jan 2022 (10 months)

• Designed and optimized MongoDB database schemas to improve data retrieval efficiency and support scalable application growth. • Developed RESTful APIs using Express.js to enable seamless communication between frontend and backend services. • Built reusable middleware to centralize authentication, validation and error handling.

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