j. estefan hu
github.com/estefanhu - linkedin.com/in/estefanhu - estefanhu.com
Contents
experience
microsoft
software engineer II
redmond, wa
Jan 2025 - Present
Contributed to the maintenance and security of Microsoft services supporting +300,000,000 monthly users
- Owned end to end development and delivery of Microsoft Defender for Office suite expansion to global governments. By developing key .NET components, managing day to day tasks, and coordinating cross team initiatives I ensured safe rollouts for our highly confidential clients.
- Drove initiative for developing robustness in new features to ensure clean and descriptive processing. Enforcing Zero Trust networking, AAA gateways, and compliant logging.
- Contributed to Microsoft m2m communication encoding upgrade initiative, leading my team in the adoption of new standards and skilling up SMEs.
- Managed and mentored interns, providing architecture insights across our product suite. Leading to the introduction of MCP and A2A technologies to our team and accepted return offers from mentees.
- Developed internal tooling used across the org for upkeeping privileges by automating the fetching, scrubbing, enriching, and processing steps and reducing story time 10x.
amazon
software development engineer II
seattle, wa
Sep 2023 - Dec 2024
Spearheaded development on business critical services that impacts over 3,600,000,000 users annually.
- Triaged analytics and logging stack reducing average processing time by 3 seconds saving $300,000 annually.
- Lead overhaul of email pipelines in Java, improving accessibility by 15% for 12 million notifications daily.
- 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
Ad Tech
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.
Real Estate
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.
technology
languages: Go · C# · C++ · Lua · JavaScript · Java · Python · BASIC · PHP · Bash · Perl · SQL · Ruby
tools:.NET · React · Node · GraphQL · FastAPI · Spring Boot
databases:Redshift · PostgresSQL · MySQL · SQLite · Redis · MongoDB
cloud services:Azure · AWS · Vercel · Heroku · Firebase · Railway
devOps:Docker · Kubernetes · Linux · Git · Github · CirclCI · Shell
skill
- Software Development
Social
software engineer
Seattle, Wa
jan 2019 - jan 2020
Co-founded and managed technical functions of Angel funded University of Washington startup.