JOAQUIN PEREZ PRIMAVERA
- |-| Buenos Aires, Argentina | LinkedIn | GitHub
PROFESSIONAL SUMMARY
Experienced web & mobile engineer focused on delivering high-performance applications and scalable solutions.
Proficient in ReactJS, PostgreSQL, Django, and NodeJS, spearheaded projects that improved application speed and
enhanced data consistency across 8 microservices’ DB for applications supporting +70k active users. Developed and
managed MVPs that accelerated investor engagement and reduced project timelines.
EXPERIENCE
Senior Full Stack Engineer, Snapi
Freelance | August 2023 - Present
● Led MVP development for audience engagement tool (Web & Mobile), coordinating team efforts to complete the
core in 3 months and initiate investor demos.
● Improved app speed by 40% through strategic refactoring and optimized coding.
●
Enhanced data completeness with robust validation & sanitation in the API, lowering bugs amount by 20%.
Tech: NextJS, MongoDB, Express, DigitalOcean, Docker, React Native
Full Stack Engineer, GlobalMeaning Consulting
January 2021 - Present
Ticmas - Academic Platform:
● Crafted Digital Library MVP and normalized data models, expecting to support +500k books.
●
Created E2E testing flows for API robustness, leading testing workshops and enabling safe libraries update.
●
Achieved DDD and Hexagonal Architecture implementation for NestJS microservices, mentoring junior team
members on best practices and increasing data consistency by 35%.
Designed knowledge-sharing sessions to focus on performance improving team members' delivery time.
Tech: NextJS, NestJS, RabbitMQ, GraphQL, PostgreSQL, Storybook, Zustand, Docker, Jest, ArgoCD
●
Banco Galicia:
● Led Unit and E2E testing implementation, working closely with product managers to align testing strategies.
●
Fixed code security vulnerabilities using Veracode, decreasing risk of CRLF Injection to 0.
●
Implemented a cross-functional security SPA in 4 different teams enhancing safety for all bank’s users.
Tech: NextJS, micro frontend, NestJS, Jest, MongoDB, TypeScript, Veracode, Jenkins
Bentobox - Website creation and restaurant management platform:
● Refactored REST API, coordinating the full stack team, improving system performance by 25%.
●
Launched internal Slackbot to keep track of Jira’s tickets, reducing carry over of delayed tickets by 15%.
Tech: Django REST, Python, PostgreSQL, Redis, Docker, ReactJS, Jenkins
PartnerOptimizer - Supplier search platform:
● Created component library, collaborating with design team and lowering mean feature development time by 50%,
resulting in a 20% increase in overall development efficiency.
Tech: SpringBoot, Java, PostgreSQL, NextJS, TypeScript, Storybook, Redux
Full Stack Engineer, Aerowise
Freelance | May 2024 - June 2024
● Refactored MVP for flight management tool (Web & Mobile), increasing mobile support by 30%.
●
Implemented a design system, drastically reducing the amount of project’s code and build times.
Tech: Vite, ReactJS, NodeJS, Styled-Components
EDUCATION
UTN FRGP - Argentina
DataCamp
Information Systems Associate Degree - Ongoing | August 2023 - Present
Data Engineer Career Path | January 2024