Kristoffer StobbeSenior Software Engineer

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Kristoffer StobbeSenior Software Engineer

Building thoughtful, scalable systems out of Austin, TX. Open to conversations about interesting technical problems.

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© 2026 Kristoffer Stobbe. All rights reserved.

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Flex Software screenshot 2
Flex Software screenshot 1
Flex Software screenshot 2
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Side project · 2024

Flex Software

Business website for Flex Software LLC, a provider of software development services.

Designed, built, and shipped end-to-end.

ReactTypeScriptChakra UI
Demo
Case study

FloQast · 2026

Event-Driven Reconciliation Engine

Leading design of an event-driven reconciliation engine serving FloQast’s largest enterprise customers. Decomposed a synchronous monolith into a queue-backed, idempotent pipeline that scales horizontally per customer.

Unblocks the enterprise tier by making reconciliation throughput predictable at month-end close, the highest-load window in our customers’ calendar.

TypeScriptNode.jsAWSMongoDB
Case study

FloQast · 2025

AI-Driven GL-Mapping Tool

Designed and shipped an AI-driven general-ledger mapping tool that suggests account mappings for new customers during onboarding using LLM-backed classification with human-in-the-loop review.

Led my team to the Operational Excellence Award at FloQast’s inaugural hackathon; cut a previously manual onboarding step into a guided, reviewable workflow.

TypeScriptNode.jsAWSMongoDB
Case study

SunPower · 2022

React Financial App for Solar Loans

Led the build of a React-powered financial application backed by a RESTful API. Owned architecture, frontend, and integration with the loan-servicing backend.

Powering $2M+ in annual solar loan volume; the launch was the milestone for my promotion to Sr. Software Engineer.

ReactTypeScriptJavaDynamoDB
Analytics Dashboard screenshot 2
Analytics Dashboard screenshot 1
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Side project · 2024

Analytics Dashboard

A Next.js analytics dashboard demonstrating server components, server-side filtering, and pagination over a public dataset.

Showcase of Next.js App Router patterns end-to-end.

ReactNode.jsTypeScriptNext.js
SourceDemo
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Side project · 2024

Provider Analytics

An analytics dashboard for a provider, served by a supporting Express REST API. Full-stack TypeScript end-to-end.

Reference architecture for small full-stack TS services.

ReactNode.jsExpress.jsTypeScriptTailwind CSS
Source
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Open source · 2023

Personal Portfolio

This site. Next.js 14 App Router, Tailwind, framer-motion, and a Claude-powered Ask-my-work widget.

Iterating on it in public; see GitHub for the commit history.

ReactNext.jsTypeScriptTailwindAnthropic SDK
SourceDemo
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