Senior full-stack developer. Four hackathon wins in the last year for shipping working software under deadline pressure, and the same discipline goes into every client build. Send me a project brief; I reply with a scoped estimate or a 48-hour working prototype.
Turning hard problems into software that people actually use, one project at a time.
Four pillars that shape every line of code I ship. Tap any card to go deeper.
Every problem has a solution. I stay with challenges until they're solved, no matter how complex.
Hackathons, side projects, late-night debugging, they're where I come alive. Every challenge is a chance to push through and learn something new.
Everything I build is designed to solve a real problem and make someone's life easier.
A curated selection of professional-grade applications and AI-driven tools. Click any card to see more.
Submission for the YouCam API Skin AI & Apparel VTO Hackathon (Aug 2026). Assay is a skincare tracker that measures its own error before it measures your skin. Change is only called real when it exceeds the noise floor for your face, on your device. When it does not, the verdict is 'cannot tell yet' with the number of further sessions required, instead of an encouraging fabrication. The YouCam Skin Analysis API is a genuinely good instrument (byte-identical input gives byte-identical output, verified in the app), and Assay is what makes its readings decision-grade.
Submission for the Build the Future of AI Agent Memory with CockroachDB hackathon (Aug 2026). Unsay is an AI medication-safety agent whose memory has two independent time axes: `valid_from`/`valid_to` for when a claim is true in the world, `asserted_at`/`retracted_at` for when this system believed it. Keeping those apart is what separates 'the drug became dangerous in March' from 'we found out in July', which is the difference between an unlucky answer and a negligent one. A claim is never updated in place: the believed version is retracted and a new one asserted beside it, in one transaction. Every answer records exactly which claim VERSION it read, in the same transaction as the answer itself.
Submission for the Google Gemini XPRIZE / Hacker.fund Build with Gemini hackathon (Jul-Aug 2026, closes Aug 17). Bloom finds the clients a local business is about to lose, and writes to each one personally. A typical salon loses about 40% of its clients every year, a first-timer who does not rebook within 30 days has roughly a one-in-five chance of ever returning, and a loyal regular is worth several hundred dollars a year (about $600 annualized). The signal is invisible because it is an absence, spread across hundreds of people who each have their own rhythm.
Submission for the Arm Cloud AI challenge on Devpost. coldpath is a linter and CI gate that proves whether a shipped AArch64 binary actually uses the chip's matrix hardware. Pointed at the ecosystem, it found that Ollama's official Windows-on-Arm build executes zero matrix and zero dot-product instructions, filed the one-line upstream fix (PR #17654) worth 5.75x on prompt processing measured live on Azure Cobalt 100 (Neoverse N2), and ships as a reusable GitHub Action so a cold build can't reach an Arm fleet again.
Submission for Build with DataHub: The Agent Hackathon (Production ML Agents track). Freshness, volume, null-rate, and schema checks were all green. The model had been quietly wrong for six months. Culprit walked DataHub's ML lineage back to the column that did it, filed the incident into the graph with the dollars attached, wrote the fix, executed dbt build against the real warehouse to verify the fix held up, and only then opened the PR.
Submission for the Backblaze x Genblaze hackathon. WCAG 2.1 SC 1.2.5 requires a spoken audio-description track on prerecorded video, but human describers charge $15-$75 per finished minute, so a university with 20,000 lecture recordings faces a bill in the millions and the archive either stays non-compliant or gets taken offline (UC Berkeley pulled 20,000+ lectures in 2017 rather than pay to remediate them). US public entities owe WCAG 2.1 AA under the DOJ's ADA Title II rule by April 26, 2027. Overtone makes describing an entire archive cheap enough to actually do, and it does the work where the archive already lives.
Submission for OpenAI Build Week. A passing test suite proves a program worked on the inputs the instructor happened to check. It does not prove the student understands what the program does. Viva closes that gap: GPT-5.6 reads the assignment and proposes an input the test suite never tried, Viva runs the student program and the instructor's reference on it, and it only asks the student a question when the two programs disagree. The teacher gets a reteach brief, never a cheating accusation.
Submission for the Global AI Hackathon Series with Qwen Cloud (Track 4: Autopilot Agent). LedgerPilot is an autonomous month-end-close agent: Qwen proposes journal entries from messy financial inputs, a deterministic auditable gate is the only path to a write, and the write side is measured. The counterfactual on a live Odoo ledger shows the whole claim: same qwen-flash planner, same 39 close tasks, same ERP, gate off posts 5 wrong journal entries (salaries paid out of Accounts Receivable, cost-of-goods booked to receivables and revenue, each one balanced, each one plausible), gate on posts 0. The model did not get better; the ledger did.
Submission for the Reddit Games and Puzzles Hackathon, chasing all four prizes (Best App with a Hook, Best Use of Phaser, Best Use of User Contributions, Best Use of Retention Mechanics). r/Clatterfall is one continuous descent, built by a crowd, one part per person per day. Nobody can build it alone. Every morning the entire committed machine re-runs as a single canonical simulation that everyone watches together, and the parts the marble abandons dissolve. One marble. One warm hand-made contraption. One shared morning.
Roles that shaped how I build, ship, and think about software.
N2 Help & Solutions
JonathanSolvesProblems (YouTube)
Cirque du Soleil
IBM
Concordia University
Sphera
Colas Canada Inc.