j. estefan hu

github.com/estefanhu  -  linkedin.com/in/estefanhu  -  estefanhu.com

status employed

Currently I work at Amazon as a Software Development Engineer II. On my down time I'm learning and building with my current projects.

Where am I located? The rainy and beautiful Seattle, Washington

experience

amazon

software development engineer II

seattle, wa

Sep 2023 - Present

Spearheaded development on business critical services that impacts over 3,600,000,000 users annually.

  • Triaged critical tax software, designing and developing optimized solutions in Basic to reduce average query time by 3 seconds, saving over 4,000 hours or approximately $250,000 a year
  • Lead overhaul of email pipelines in Java, improving accessibility by 15% for 3.6 billion notifications annually
  • Upgraded 12 email template pipelines from Java to React and Node, unifying development strategies
  • Spearheaded upgrade of s2s encryption ensuring traffic for microservices, moving from HTTP to HTTPS

goodway group

software engineer

New York, NY - Remote

nov 2021 - jul 2023

Managed and led development of data capabilities hub, which established new standards for both Scientists and Engineers to collaborate on business critical deliverables.

  • Designed and delivered complete python infrastructure for the Data Science and Analytics team. Enabling both Scientists and Engineers to collaborate on business critical deliverables.
  • Spearheaded development of multiple microservices across multiple teams, assuring ACIDity with our RESTful and GraphQL distributed systems.
  • Launched and maintained open source tertiary React component library, allowing for unified component styling across micro front ends.
  • Developed, evangelized, and led adoption of machine to machine encryption for microservices in the AWS VPC. By leveraging Redis, Nginx, and JWT we secured our distributed systems and ensured safed connections.
  • Contributed to high performing and dynamic teams to deliver full stack solutions. Working hand in hand with end users to deliver user led value in every scrum cycle.

RealtySimple

junior software engineer

Anchorage, AK- Remote

apr 2020 - oct 2021

Designed, developed, and delivered multiple apps and services, working closely with designers, stakeholders, and end users to ship high velocity and battle tested solutions.

  • Architected and shipped solutions that interfaced with multiple API's, such as Mapbox, MLS, and OAuth.
  • Lead Development of backends services, testing and continuously deploying microservices and lambdas.
  • Designed and implemented caching infrastructure with Redis and Golang.
  • Collaborated with designers to ship multi page marketing website with React.
  • Ran User Research and managed stakeholder expectations using figma, trello and slack.

Muse

software engineer

New York, NY - Remote

jan 2019 - jan 2020

Co-founded and managed technical functions of Angel funded University of Washington startup.

  • Directed product design, development, testing, and validation
  • Lead interviewing and hiring for engineering roles

technology

languages: Go · JavaScript · JTypeScript · Java · C# · Python · BASIC · PHP · Bash · Perl · SQL · HTML · CSS

tools: React · Next · Node · GraphQL · Django · Spring Boot · .NET

databases: PostgresSQL · MySQL · SQLite · Redis · MongoDB

cloud services: AWS · Vercel · Heroku · Firebase · Railway

devOps: Docker · Kubernetes · Linux · Git · Github · CirclCI · Shell

skill

  • Substantial experience with Agile workflows
  • Proven communicator, collaborator and leader

education

University of Washington, Seattle

projects