Андрій

Andrii Mantula
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
SKILLS
JavaScript, Typescript, Node, React, Next.js, Redux Toolkit, Zustand, Tailwind, Express, Nest.js, PostgreSQL
MongoDb, Prisma, Drizzle, Supabase, Git, GitHub Actions, AWS

WORK EXPERIENCE
Stellar Soft: Fullstack Engineer October 2025 - ongoing
 Engineered a Bash-based migration tool paired with Terraform to synchronize Supabase schemas between
dev and live environments, ensuring infrastructure parity.
 Architected a Mailgun integration via client subdomains, configuring DNS records (MX/CNAME) and
webhook listeners for automated inbound/outbound email flows.
 Led development on 3 Next.js projects using headless WordPress, GraphQL, ensuring pixel perfect desktop,
tablet, mobile views based on figma design.
 Optimized Core Web Vitals by implementing Next.js server-side caching and custom React hooks to
minimize network overhead and re-renders.
 Developed a modular client-side search engine featuring debouncing and fuzzy matching for high-
performance data filtering.

Self-employed: Fullstack Engineer January 2025 – October 2025
 Built a versatile monorepo and CI/CD pipeline with Husky hooks, reducing build times and ensuring
high code quality across 3+ projects.
 Created two solid npm libraries that streamlined React form handling and validation, enhancing developer
experience and productivity.
 Implemented Signal Protocol to ensure end-to-end encryption for chat security, leveraging IndexedDB for
high-performance, persistent client-side message storage.

DevelopsToday: Fullstack Engineer December 2023 – January 2025
 Integrated Supabase into a Next.js fullstack application, enabling seamless Google and email authorization
for a smoother user login experience.
 Integrated Stripe into the platform, enhancing payment management for over 5,000 users and streamlining
the checkout process, resulting in a 20% reduction in cart abandonment rates.
 Oversaw a team of 4 developers to write scalable code for an e-commerce platform specifically focusing on
strengthening payment protection protocols.
 Led a team of 4 to architect scalable e-commerce code and managed technical recruitment/onboarding for
5+ new hires.

Maltax: Frontend Engineer May 2023 – November 2023
 Developed a streamlined CI/CD workflow using GitHub Actions, significantly accelerating the delivery of
software updates.
 Designed and documented a scalable Feature-Sliced Design (FSD) architecture, improving performance and
team reusability.

EDUCATION
Cherkassy State Technological University September 2022 – June 2026
B.S. Computer Science,
Relevant Coursework: Data Structures and Algorithms, Machine Organization and Programming,
Artificial Intelligence, Mobile App Development, Software Engineering, User Experience/User Interfaces,
Object-Oriented Programming