F u l l  
S t a c k  
D e v e l o p e r   &   A I  
E n g i n e e r

skills

skills

Front-End
  100%
Backend
  95%
Web Design
  60%
AI & ML
  30%
DevOps
  75%
HTML5 | CSS3 | Bootstrap5 | JavaScript/jQuery | TailwindCSS | React/Next.js | Angular
Node | Nest | Express | Python/Flask | Langchain | Django | Laravel | PHP
Docker | Nginx | Jenkins | Bitbucket | CI/CD Pipeline | Git | Linux | Gitlab | Vercel | AWS | Netlify

html css bootstrap javascript flutter react next vue nuxt typescript angular php python Java C++ wp codeigniter laravel django flask android kotlin ionic flutter app VS mongo mysql firebase docker git gitlab bitbuket paypal stripe aws linux

W o r k   e x p e r i e n c e

SERVICES

AGTS LLC

Senior Frontend Developer — Built and shipped customer-facing web products (VAPI and related platforms) using React/Next.js and Angular. Owned frontend architecture and delivery for ~4 years; focused on performance and conversion.

  • Led frontend architecture for production React/Next.js and Angular apps (TailwindCSS, REST/GraphQL); reduced LCP by ~40% via code-splitting and lazy loading.
  • Integrated Stripe/PayPal and third-party APIs end-to-end; shipped payment and auth flows with zero critical post-launch bugs.
  • Drove cross-browser, accessible UIs (HTML5/CSS3, WCAG-minded); cut support tickets and improved form completion rates.
  • Owned feature delivery from spec to deploy; aligned with design and backend on API contracts and sprint outcomes.
View Work
mushroom

Sophiaverse

Frontend / Web Animation Lead — Owned immersive 3D and motion experiences for Sophiaverse’s web product. Shipped WebGL/Three.js and GSAP-driven interfaces that differentiated the brand and increased time-on-site.

  • Designed and built 3D scenes and interactions with Three.js and WebGL; delivered ~60fps experiences on target devices and improved engagement metrics.
  • Implemented parallax and scroll-driven narratives using GreenSock (GSAP) and pure CSS; reduced animation-related layout shift (CLS) to <0.05.
  • Shipped Canvas- and SVG-based graphics and particles (ParticlesJS, custom); aligned motion with product narrative and conversion goals.
  • Maintained animation quality across a long release cycle; iterated on performance and fallbacks for low-end devices.
View Work
mushroom

AGTS LLC

Backend Developer — Designed and maintained APIs and services powering VAPI and related products. Owned ~2 years of backend delivery; focused on reliability, latency, and scalability.

  • Built and maintained REST/API services with Python (FastAPI/Flask) and Node (Nest.js); kept p95 latency under ~200ms for core endpoints.
  • Designed DB schemas and query patterns; optimized hot paths and reduced slow-query incidence for high-traffic flows.
  • Delivered features in Laravel/PHP where required; ensured consistent API contracts and error handling across stacks.
  • Shipped and iterated through multiple product cycles; balanced speed with stability and minimal production incidents.
View Work
mushroom

Genpen.ai

DevOps / Platform Lead — Owned infrastructure, CI/CD, and reliability for Genpen’s AI product. End-to-end responsibility from code commit to production: build pipelines, AWS (EC2, Lambda), Terraform, Nginx, and security hardening. Drove uptime and fast, repeatable releases.

  • Designed and maintained CI/CD with Jenkins and Bitbucket; cut average deploy time by ~50% and enabled multiple releases per week with rollback capability.
  • Provisioned and managed AWS (EC2, Lambda, VPC) via Terraform; standardized environments and reduced config drift and manual toil.
  • Configured Nginx for reverse proxy, TLS, and rate limiting; improved security posture and kept critical routes within latency targets.
  • Containerized services with Docker; unified dev/stage/prod runtimes and reduced “works on my machine” issues.
  • Sustained platform reliability through on-call and post-incident reviews; iterated on runbooks and monitoring so recurring issues dropped over time.
View Work
mushroom

My Hourly Rates

UI / UX Development

  • FrontEnd
  • 3D animation
  • Web3

Web & Mobile Frontend Development, Smart Contract ABI integration, 2D & 3D Animation Development

$25 - $35

Backend Development

  • Backend API
  • DB design
  • Bot Development

NodeJS Backend Development, Database Design and Optimization, Telegram & Discord Bot

$30 - $45

Devops

  • CI/CD pipleine
  • Testing & QA Tester
  • Releasing & Updating

CI/CD pipleine, Testing & QA Tester, Releasing & Updating

$40 - $50
P r e v i o u s   W o r k s
Vue + Bootstrap + netlify
Next + TypeScript + TailwindCSS + Bitbucket
React + NodeJS + Web3
React + Web3 + Solidity
React Hooks + SCSS
MERN stack
React + Redux + SCSS
ParticleJS + Web3
MERN stack
React + Next + ThreeJS
React + Styled Component
React + GSAP
HTML + Bootstrap + JQuery
React + Next + Express
React + ThreeJS

CTO, Sean Beecroft

Maksym has consistently demonstrated a remarkable ability to bring designs to life through captivating and visually stunning animations. Their attention to detail and creativity in crafting smooth and engaging animations have greatly enhanced the user experience of our applications. Their work has undoubtedly contributed to the positive feedback and satisfaction expressed by our clients and end-users.

Mr. Don Gray

The website that He has built for us is nothing short of outstanding. They skillfully transformed our ideas into a visually appealing and highly functional website that perfectly captures our brand identity. The attention given to every aspect of the site, from the seamless navigation to the pixel-perfect design, is truly commendable.

CMO, Liza Horowitz

Maksym is a solid full-stack developer with a passion for front-end design. His eye for creating user-friendly interfaces is complemented by his support in backend processes, including CI/CD, debugging and optimizing. Maksym's commitment was visible regardless of time zones, he went the extra mile and made himself available to contribute to the team. His technical expertise and dedication were appreciated..

maksimberezhnoy0905@gmail.com

linkedin

GitHub

Telegram

My Resume

Discord

© Last Updated On Doc 1th 2025