Portrait of Zackary Devove

Zackary Devove

Full Stack Developer

Hello 👋, I'm a Paris-based Full-Stack Engineer, 42 alumnus, and AWS Certified Developer specializing in high-performance web architectures. Native French & fluent English speaker, currently seeking full-stack opportunities in Paris.

Hello 👋, I'm a Paris-based Full-Stack Engineer, 42 alumnus, and AWS Certified Developer specializing in high-performance web architectures. Native French & fluent English speaker, currently seeking full-stack opportunities in Paris.

Paris, France
zackary.devove@hotmail.com

Experiences

Fullstack developerJun 2024 – Mar 2025

Padoa • Paris, France

Jun 2024 – Mar 2025
  • Executed end-to-end feature delivery and maintenance within the established Angular and Node.js architecture.

  • Eliminated 90% of queue job failures and achieved 80% payload size reduction for document generation by normalizing data structures and optimizing the data processing logic.

  • Engineered a scalable cron pipeline for automated centralized template delivery to 40+ clients using AWS S3 for multi-tenant synchronization.

  • Co-developed an Offline-First PWA achieving 1,000+ daily users with synchronization logic using Angular and Node.js.

  • Maintained code quality and mitigated post-release issues by sustaining 95% test coverage using Jest, Supertest, and Cypress frameworks.

Internship Fullstack developerJan 2024 – Jun 2024

Padoa • Paris, France

Jan 2024 – Jun 2024
  • Contributed to core product development, bug resolution, and end-to-end feature delivery within the established Angular/Node.js stack.

  • Significantly reduced technical debt by 80% by independently prioritizing and resolving backlog of legacy bugs.

  • Implemented foundational PWA features for the note-taking application, utilized in beta test by 50+ professional users.

  • Achieved 95% automated test coverage with Jest, Supertest, and Cypress.


Projects

Networth Tracker

Kachi

  • Architected a financial asset tracking application with instant portfolio rebalancing and PnL calculation.

  • Automated data aggregation from 20,000+ financial institutions by integrating the Plaid API for asset synchronization.

  • Engineered a daily cron job for snapshotting logic to ensure 100% historical graph accuracy and state integrity.

  • Implemented high-security JWT authentication with HTTP-only token rotation, email confirmation, 2FA, and OAuth.

  • Guaranteed service quality by maintaining 95% test coverage using Jest, Supertest, and Playwright.

  • Streamlined development via Docker and automated quality checks using GitHub Actions CI/CD.

  • Optimized API response times by 90% by implementing a strategic caching solution using Redis.

  • Designed safe production architecture using AWS services: EC2, API Gateway, RDS, S3, ElastiCache, IAM, VPC

Multiplayer Pong Game

Transcendence

  • Collaborated on a 5-person team to design a Pong-inspired multiplayer engine.

  • Developed low-latency game state synchronization and real-time chat using Socket.io for 50+ concurrent connections.

  • Engineered the custom ELO/ranking and matchmaking system logic to ensure fair player pairing.

  • Implemented secure authentication using JWT, 2FA, Google OAuth, and email confirmation.

  • Designed and implemented 3D game rendering using Three.js for enhanced user interaction.

  • Ensured code quality by integrating GitHub Actions CI/CD pipeline to validate test runs and sustain 80% test coverage.


Education & Certifications

AWS Certified Developer - Associate2026 – 2029

Remote

2026 – 2029

Focus on deploying and maintaining cloud-native applications using AWS services

42 School2022 – 2024

Paris

2022 – 2024

Project-based curriculum centered on C/C++, distributed systems, and modern web development

Université Sorbonne Paris Nord 2019 – 2022

Paris

2019 – 2022

Bachelor’s in Economics and Management with 1 year at Seoul National University Economics Department


Skills

Programming Languages
JavaScriptTypeScriptC/C++SQL
Frontend
HTMLCSSReactNext.jsAngularTailwindZustandNGRX
Backend
Node.jsPostgreSQLPrismaSequelizeRedis
Devops
AWSGitShellLinuxDockerGitHub Actions
Testing
JestSupertestCypressPlaywright

Languages

  • French

    Native

  • English

    Fluent