Jack Gisel

Work Experience

Full stack engineer with a passion for building scalable systems and great user experiences.

Download résumé 1-page PDF

Apple

Full Stack Engineer

Full-time
Mar 2025 - Present San Diego, California
  • Maintain and extend an internal headcount-planning platform used by 2,000 people daily, contributing to page redesigns, simplifying complex visualizations, and shipping major new planning workflows for multi-scenario modeling and long-range workforce forecasting
  • Built the web and mobile product for in-person summits serving 20,000+ attendees, including an end-to-end CMS for scheduling events, submitting and reviewing topics, generating sitemaps, managing multiple locations, and helping attendees discover talks and posters
  • Built the product experience for a full-stack RAG chat and agent platform using React, Python, and Milvus, delivering seamless file management, a polished chat interface, managed agent workflows, and integrations with CLI, MCP, and Claude skills
  • Lead recurring GenAI office hours and support hands-on technical bootcamps, helping drive AI education and adoption across a 4,000-person organization
  • Helped rewrite an internal analytics platform from the ground up, rebuilding hundreds of charts and tables to replace third-party software and reduce annual operating costs by approximately $200,000
Go Python Django React Bun Hono Shadcn On-Prem Postgres Snowflake S3 Kube Argo ECS Docker

Ridgeline

Senior Software Engineer

Full-time
Aug 2023 - Mar 2025 Incline Village, Nevada
  • Architected a horizontally scalable real time pricing system that could process billions of price ticks. Built with Redis, AWS ECS and Kotlin
  • Implemented a meta programming version of security master in Kotlin, allowing highly unique asset classes
  • Built a re-usable service migration tool that provided: user based routing, shadow traffic, data validation and data migration
  • Lead a full service rewrite of our key data providing services, researching and providing the architecture for a new technology stack
  • Provided guidance around infrastructure and system design around my organization to better the design of microservices
Kotlin Redis AWS ECS Microservices System Design

Product Engineer II

Full-time
Jan 2022 - Aug 2023 Incline Village, Nevada
  • Worked on the central data service team, focused on ingesting, processing and distributing market data throughout the entire application
  • Upgraded Python (3.7 -> 3.11) and Terraform of 11 micro-services
  • Lead the devops ownership of my team's 11 micro-services, ranging from Lambda, ECS, Redis, S3, State machines, and ELBs
  • Played a key piece in organization by providing design reviews, mentoring newer members and interviewing
Java Python JavaScript React AWS Lambda PostgreSQL DynamoDB RDS S3 Step Functions Terraform

Product Engineer

Full-time
Jul 2021 - Jan 2022 Incline Village, Nevada
  • Developed a key feature that was highly requested from users to bring together all their data and aggregate in new ways, which was integrated by many downstream services
  • Refactored a key piece of cloud infrastructure, by leveraging IAC in Terraform and AWS constructs to prevent unnecessary compute netting a savings of roughly $20,000/m
Python JavaScript React AWS Lambda DynamoDB RDS S3 Step Functions Terraform

Brandwise

Founding Engineer

Side project
Jan 2022 - Aug 2023 Remote
  • Co-founded and shipped the original Brandwise SaaS, automating comment moderation for online and DTC brands running high-volume marketing campaigns
  • Built a Go event-processing backend that handled more than 25 million events during peak advertising hours
  • Created the customer-facing product in Next.js with Tailwind CSS and shadcn/ui, integrating Stripe for subscriptions and payment processing
  • Exited the project after its growth and operational demands exceeded the time available alongside my primary role
Go Next.js TypeScript Tailwind CSS shadcn/ui Stripe GCP OpenAI

Ascend

Full Stack Engineer

Full-time
Oct 2019 - Mar 2021 San Jose, CA (Remote)
  • Built a mobile app focused on consumer debt payoff using React Native, AWS Lambda, Firebase, and ExpressJS
  • Developed an algorithm for debt payoff, saving users on average $2,210.98 by using performant data structures
  • Constructed actionable screens with data visualization to aid in the understanding of personal finance
  • Integrated an application monitoring and session replay system capturing over 90 bugs, helping our team develop quicker and more focused
React Native JavaScript AWS Lambda Firebase Express.js

Nexus

Full Stack Engineer

Contract
Apr 2020 - Feb 2021 Remote
  • Built the core mobile and web experiences for a growing social network using Next.js, React, React Native, and TypeScript
  • Independently designed a scalable NoSQL and serverless architecture with an average infrastructure cost of $0.0005 per user per month
  • Implemented NFC-powered profile sharing with Universal Links, creating a fast bridge between in-person interactions and digital profiles
  • Rebuilt the Shopify ecommerce landing experience with Bootstrap, SCSS, and vanilla JavaScript, improving load speed by 19%
Next.js React React Native TypeScript NoSQL Serverless NFC Shopify SCSS

Education

San José State University

Bachelor of Science - BS, Software Engineering

Aug 2017 - May 2021

Clubs: Hoplite, Computer Science Club, Software & Computer Engineering Club, Rock Climbing Club

freeCodeCamp

Frontend Web Development Certification

2016 - 2018

Online resource to learn web development and participate in the open source community

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