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Peter Kemper

Peter M. Kemper

Senior Full-Stack Software Engineer

Manager, Software Engineering at MedTech Innovator

I build complex production systems end to end and design them to scale: product, full stack, infrastructure, and the architecture decisions that hold up as they grow.

Southern California · Pacific Time

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Selected results

  • Took an inherited React Native prototype to production on iOS and Android in about six weeks.
  • Founded a Next.js portal that grew to 60+ production surfaces across four programs.
  • Re-architected a 286 MB synchronous workload into a background-generated snapshot that loads instantly.

Education

California State University San Marcos

2019

B.S. Computer Science

Experience

  1. MedTech Innovator

    Remote
    • Manager, Software EngineeringJul 2025 – present
    • Software EngineerDec 2023 – Jul 2025
    • Own day-to-day technology execution, reporting directly to the CEO with full accountability for engineering delivery. Lead a four-engineer team, set technical priorities, handle or delegate organization-wide technology requests, and remain deeply hands-on across architecture, Next.js/React, NestJS/MySQL, React Native, AWS/Vercel, DevOps, security, and AI automation.
    • Shipped Innovator Connect from an inherited prototype to production on iOS and Android in ~6 weeks, independently driving the React Native/Expo client and NestJS API with authentication, real-time messaging, push notifications, calendar integration, offline-first caching, and an EAS OTA pipeline; grew adoption to 430+ registered devices and 3,300+ scheduled meetings.
    • Founded the company’s Next.js portal from its first commit and became its #1 all-time contributor, scaling it into a 60+ surface production platform across four accelerator programs supporting applications, diligence, reviewer operations, investor deal flow, mentorship, payments, analytics, communications, and events.
    • Drove high-volume AI automation across core accelerator operations, building percentage-based fit matching that ranks applicant companies against reviewer expertise and program criteria across 1,000–10,000-record workflows, plus a polished curation UI for sorting and review.
    • Built an AI-assisted feedback pipeline that synthesized reviewer comments, scoring, and constructive criticism into clean personalized communications for thousands of rejected applicants, replacing a labor-intensive manual process and saving hundreds of staff hours; also developed internal MCP tooling and other automation to improve team efficiency.
    • Re-architected production systems under real-world scale, including replacing a crashing 286 MB synchronous administrative workload with an instant-loading background-generated compressed snapshot, eliminating analytics memory failures, introducing Redis caching, and strengthening background-job infrastructure.
    • Own the reliability and security of payments, authorization and infrastructure, closing legacy authorization gaps and hardening AWS and email access controls.

  2. Trovata.io

    San Diego, CA
    • Software Engineer IIApr 2022 – Oct 2023
    • Built global payment functionality using Angular, Material, and Node.js supporting international currencies and wire formats; delivered security-sensitive workflows including MFA, payment approvals, forecasting UX, notifications, and reusable components aligned to Figma specifications.
    • Strengthened critical payment workflows by authoring Cypress end-to-end tests and contributing to CI coverage.

  3. Calpine Energy Solutions

    San Diego, CA
    • Software EngineerJan 2020 – Apr 2022
    • Built a full-stack Retail Energy Bidding Application using Angular, AG Grid, and Node.js with C#/SQL services, stored procedures, and REST APIs, enabling forecasting teams to manage, validate, and submit megawatt-hour bids.
    • Automated daily institutional payment-file processing by developing reusable NuGet packages and parsers used by Azure Functions and Logic Apps, normalizing disparate financial formats into standardized JSON.
    • Led an end-to-end company website redesign in partnership with a UX designer and VP of Marketing, implementing the production experience with HTML/CSS/JavaScript and Bootstrap.

  4. Pathway Innovations and Technologies (HoverCam)

    San Diego, CA
    • Software EngineerApr 2019 – Dec 2019
    • Built FusionChat, a real-time classroom messaging module using Angular, Socket.io, Express.js, and MongoDB.

Internships

  1. SAP

    Cardiff-by-the-Sea, CA
    • Software Development InternJan 2019 – Apr 2019
    • Added a native sharing feature to Roambi’s Android application with Apache Cordova and TypeScript, letting users share through 4x more supported apps and resolving cross-platform inconsistencies.
    • Implemented a hash map for IDs so revised metadata models stayed backwards compatible with older functions.
    • Shipped several other public, user-facing features in the web-based designer with React, working in a branch-based development flow.

  2. Calsense

    Carlsbad, CA
    • Software Development InternMay 2018 – Jul 2018
    • Turned customer suggestions into software solutions, debugging and documenting a new website.
    • Ran product development and maintenance through Jira on a two-month Agile sprint release cycle, with daily stand-ups.

Selected work

Four products I founded and build alone: product decisions, UX, full-stack build, infrastructure and ongoing operation. All four are live.

  1. Homeschool of the Future

    homeschoolofthefuture.com (opens in a new tab)

    A homeschool curriculum platform on web and mobile.

    • npm-workspaces monorepo with curriculum packages shared by the web and mobile clients.
    • AWS infrastructure defined in Terraform, multi-provider authentication, over-the-air mobile updates.
    • Content-hashed ElevenLabs voice pipeline that regenerates only the speech assets that changed.
    • Next.js 15
    • React 19
    • Expo / React Native
    • TypeScript
    • Tailwind 4
    • PostgreSQL 16 on RDS
    • Prisma
    • Auth.js
    • AWS SES
    • Terraform
    • Vercel
    • Homeschool of the Future landing page: Let learning grow wild.
    • Visual Lessons and Printable Materials feature cards with an interactive number line.
    • The visual lessons directory, with number line, counting and place value tools.

  2. Scripture Atlas

    scriptureatlas.com (opens in a new tab)

    Biblical genealogies, places and timelines as interactive graphs and maps.

    • Graph-based genealogies and interactive maps built on typed datasets.
    • Prerendered content and generated share cards.
    • Plan-then-apply tooling for data cleaning and deduplication.
    • Next.js 16
    • React 19
    • TypeScript
    • Turborepo
    • Tailwind 4
    • React Flow
    • Dagre
    • Leaflet
    • PostgreSQL / Prisma
    • Vercel
    • Scripture Atlas landing page with counts of people, places, events and verses.
    • An interactive map of biblical places with clustered markers across the Mediterranean.
    • The timeline, filtered by era, listing dated events with scripture references.

  3. Kingdom of Heaven Threads

    kingdomofheaventhreads.com (opens in a new tab)

    A print-on-demand store that runs its own payments, fulfillment and refunds.

    • Signature-verified payment and fulfillment webhooks across Stripe and Printful.
    • Idempotent refund handling and bounded-concurrency integrations.
    • Admin tooling and analytics over print-on-demand fulfillment.
    • Next.js 16
    • React 19
    • TypeScript
    • Tailwind 4
    • Stripe
    • Printful
    • Vercel Blob
    • Resend
    • GA4
    • Meta Pixel
    • Kingdom of Heaven Threads storefront: Bear witness in every thread.
    • Featured designs grid showing scripture-rooted artwork printed on tees.
    • A product page with style, colour and size selection and live pricing.

  4. LifeHack Toolbox

    lifehacktoolbox.com (opens in a new tab)

    About 48 browser utilities that process your files in the browser, with no backend and nothing uploaded.

    • Local OCR, PDF editing and signing, and document generation, all client-side.
    • Visualization, calculators and Web Audio tools in the same toolbox.
    • No backend: documents never leave the browser.
    • Next.js 14
    • React 18
    • TypeScript
    • Tailwind 3
    • Tesseract.js
    • PDF.js / pdf-lib
    • Web Audio
    • Recharts
    • Vercel
    • LifeHack Toolbox home page with a searchable directory of browser tools.
    • The interactive function grapher plotting a parabola with coefficient sliders.
    • The interactive periodic table, coloured by element category.

Skills

Core
  • TypeScript
  • JavaScript
  • C#
  • SQL
  • Next.js
  • React
  • React Native / Expo
  • Angular
  • NestJS
  • Node.js
  • Tailwind CSS
  • AG Grid
Data & cloud
  • MySQL
  • PostgreSQL
  • Prisma
  • TypeORM
  • Redis
  • OpenSearch
  • AWS (EC2, RDS, S3, SES, SQS, CloudWatch)
  • Vercel
  • Docker
  • Terraform
  • GitHub Actions
AI & integrations
  • MCP servers
  • OpenAI APIs
  • AI matching / scoring and automation
  • Stripe
  • Auth0 / Auth.js
  • Stream Chat
  • HubSpot
  • Airtable
  • PitchBook
  • Slack
  • Twilio
  • Google APIs

Contact

Email is the fastest way to reach me.