Макс

MAKSYM PINYAZENKO
AI ENGINEER | GO BACKEND DEVELOPER
Kyiv, Ukraine (UTC+3) | Remote | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
Telegram: @maks_pinyazenko | LinkedIn: [open contact info](look above in the "contact info" section) | GoLab:
github.com/jamaan01/programming-course-website
PROFESSIONAL SUMMARY
AI engineer and Go backend developer with 2 years of freelance experience building web products, backend workflows,
and AI-assisted solutions. Works from client requirements through architecture, APIs, databases, integrations, testing,
and delivery. Built an automated course-sales flow and launched GoLab, an online learning platform used by real
learners.
PROFESSIONAL EXPERIENCE
Freelance AI & Software Developer
Self-employed | Remote | 2024 - Present
• Built a one-page course sales website for a client and connected the purchase flow to online payment and automatic
course access.
• Automated the complete checkout-to-delivery process, removing manual payment verification and manual enrollment after
each purchase.
• Improved course monetization by creating an always-available self-service sales channel that could accept payments and
deliver access without the owner's involvement.
• Designed backend workflows and integrations for client projects, translating requirements into data flows, application
logic, error handling, testing, and working releases.
• Used OpenAI/ChatGPT, Codex, and Claude for requirements analysis, prompt and context design, implementation,
debugging, refactoring, test planning, and documentation; reviewed generated code before delivery.
SELECTED PRODUCT
Go Backend Developer | GoLab Online Learning Platform
Online learning platform | Go, Gin, PostgreSQL, REST, JWT
• Built and launched a platform used by real learners, delivering 18 REST endpoints for registration, authentication, course
management, enrollment, lessons, and progress tracking.
• Designed the Go/Gin backend and 6-table PostgreSQL schema for users, courses, modules, lessons, enrollments, and
individual learning progress.
• Implemented JWT authentication and role-based authorization across public, learner, and admin workflows, including
protected content-management operations.
TECHNICAL SKILLS
AI & LLM: OpenAI/ChatGPT, Codex, Claude, prompt engineering, context design, AI-assisted development, output validation
Backend: Go (Golang), Gin, REST APIs, JWT, middleware, application architecture
Data & Integrations: PostgreSQL, SQL, relational schemas, payment integration, API integration
Engineering: Git, GitHub, Docker, Postman, testing, debugging, refactoring, documentation
Additional: Familiar with gRPC and microservice concepts
EDUCATION
Bachelor's Degree in Computer Systems and Technologies
Odesa Polytechnic National University

LANGUAGES
English: B2 (Upper-Intermediate)