Vaylon Parnell FernandesFull Stack Developer
Profile

Full Stack Developer with over 2 years of commercial experience building and deploying production-grade SaaS applications using React, Next.js, TypeScript, Laravel, and MySQL. Proven track record of handling advanced engineering challenges, including multi-tenant architectures, database-level encryption, and payment gateway integrations. Skilled at optimizing frontend state (Zustand/​React Query) and writing clean, scalable REST APIs that solve real-world business problems.

Skills
Frontend: React.js | Next JS  | Tailwind | Typescript | HTML, CSS3, JS | Zustand | React Query
Backend: Laravel (PHP)  | Rest APIs
Databases: MySQL
Languages: PHP | Javascript  | Typescript | Python  | C#
CRM: Salesforce Lightning Experience Builder
Work Experience

Full Stack Developer

S.S. Technologies, Margao, Goa
  • •Full-Stack SaaS Development: Engineered and deployed multiple production-grade SaaS platforms, including core company products for clinic management, HR operations, laboratory management, and corporate medical tracking.
    • 11/2023 – present
  • •Architecture & Security: Implemented secure multi-tenant architectures and database-level encryption for high-compliance healthcare and medical software.
  • •Feature Engineering & Integrations: Built a secure backend payment gateway integration for a high-traffic temple guesthouse portal and developed comprehensive administrative backend panels for a school travel platform.
  • •Frontend Optimization: Modernized application frontends by replacing legacy state management with Zustand and implementing React Query caching strategies to dramatically reduce redundant API traffic.
  • •API & Database Design: Designed and optimized scalable RESTful APIs using Laravel to handle complex relational database workflows in MySQL..

    • Trainee Engineer (Level 2)

    Digisol Systems Limited, Verna, Goa
  • •Earned a promotion to Level 2 Engineer within the first year based on performance.
    • 12/2021 – 03/2023
  • •Built 3 custom Salesforce Lightning apps to automate internal workflows.
  • •Managed Salesforce, IVR systems, and WordPress tasks, including user access and bulk data operations.
  • •Maintained e-commerce product listings, resolved ad sync issues, and generated sales reports.
    • Education

    Post Graduate Diploma in Advanced Computing (PG-DAC)

    Institute for Advanced Computing and Software Development, Akurdi, Pune
    03/2023 – 08/2023

    Electronics & Telecommunications Engineering

    Don Bosco College of Engineering, Fatorda
    07/2016 – 08/2020
    Academic Projects

    Pollution Level Monitor, Collection and Prediction System. (Python, Conda, SK Learn, Pandas)

  • •Implemented various machine learning models to find the best-suited model to predict air pollution-related data

    • Running Lights using IC555

  • •Designed a PCB layout using OSCAD
  • •Fabricated a blank PCB and soldered components to the PCB

    • Budget Buddy

  • •A web app to monitor personal budget built using ASP.NET Core, React and MySQL.
    • Publications

    Co-author: IEEE conference paper on Air Pollution Prediction using Machine Learning

    IEEE
    Languages
    EnglishKonkaniHindi