Sergio Jara — Senior Full Stack Engineer

Work Experience

Lead Developer, Music League App

Duration: February 2024 - Present (1 year 3 months)
Summary: Developed and maintained native iOS application for Headlights – Music League, focused on music video tournaments.
Responsibilities: Led mobile development lifecycle, designed and maintained backend services, implemented AWS services for video processing, and developed a custom Web CMS built with React.js. Managed and mentored engineering team.
Technologies: JavaScript, Node.js, Cloud Functions, Firestore, Algolia, React.js, Swift, Firebase services, AWS

Technical Lead, Blockchain Solutions Development

Duration: September 2022 - February 2024 (1 year 6 months)
Summary: Led the design and development of blockchain-based solutions on Rootstock (RSK) network focusing on smart contracts secured by Bitcoin’s blockchain.
Responsibilities: Worked with product and architecture teams, managed and mentored a team of engineers, and developed smart contracts and dApps.
Technologies: Solidity, Hardhat, Ethers.js, Web3.js, JavaScript, React, Bitcoin, Ethereum, Rootstock (RSK)

iOS App Developer, iOS Applications Development

Duration: August 2018 - June 2019 (11 months)
Summary: Contributed to América TV and Clarín newspaper mobile applications and developed a music creation iOS application using smart rings to create music.
Responsibilities: Contributed to maintenance and enhancement of live-streaming and news applications, and architecting music creation application.
Technologies: Swift, Objective-C, Fastlane, GitHub, Node.js

Javascript .Net Full Stack Developer, Commerce and Banking System Improvements

Duration: December 2017 - August 2018 (9 months)
Summary: Played a key role in developing a bank audit management app and implementing new features in commerce management and commercial electronic trading systems.
Responsibilities: Responsible for design, implementation, and deployment of a bank audit management app, and new feature development in commerce systems.
Technologies: Meteor, React, Mongodb, .NET

Javascript Full Stack Developer, Camera Monitoring System Implementation

Duration: April 2016 - December 2017 (1 year 9 months)
Summary: Developed a web-based camera monitoring system utilizing IoT technologies and implemented a serverless web backend hosted on AWS Lambda.
Responsibilities: Designed and implemented monitoring system, managed docker based infrastructure, and used progressive web app technology.
Technologies: IoT, NodeJS, AWS Lambda, Docker, Serverless

.Net Developer, .Net Development Projects

Duration: February 2015 - April 2016 (1 year 3 months)
Summary: Worked on software development projects including call center software and a points redeem program application, and iPad web technologies.
Responsibilities: Focused on .NET based software development for call center operations and customer loyalty programs.
Technologies: .NET, asp.net, BackboneJS

Developer, IoT Communication Protocol and Services

Duration: August 2014 - February 2015 (7 months)
Summary: Built and designed communications protocol and services focusing on IoT for home automation and data storage.
Responsibilities: Developed IoT communication protocol and related services, utilized .NET technologies.
Technologies: .NET

Education

• Universidad Nacional del Nordeste
  Bachelor's degree in Information systems
  8
  
• Informatorio Chaco
  Software development
  1
  
• Universidad Nacional del Nordeste
  Programador Universitario de aplicaciones, desarrollo de software
  3
  

Certification

• First Place - Hackathon Express
  2014 Corrientes, 2015 Resistencia, 2016 Corrientes
  
• First Place - Tecnotour II
  Chaco