Marvin Heyne

Voice agents for 100+ salons at MitJulia1, IT-Systems Engineering at HPI (GPA 1.44), and until October Founding Engineer at Kobe AI2.

Email Marvin Download CV (PDF)
Marvin Heyne, portrait in a dark hoodie
Potsdam, 2026

Open for internships, full-time April to September 2027, and an exchange semester planned for winter 2027/28.

Selected work, 2023 to 2026

All 14 projects

Four projects, running.

Rebuilt from the real code and fed with sample data. They play on their own; pause, jump to a chapter, or click and type yourself.

Ask Kobe

Your personal Superconnector

Demo with sample data
Fig. 1

Kobe web app, “Start Mission”. From a request, through your own network, to three warm paths and approved intro messages. Rebuilt from the product prototype, where I was Founding Engineer. People and companies are invented.

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Shipping Kobe, then winning Launchpad with it

Marvin coding at two screens inside the campervan
Travel and code: building Kobe on the road
The Kobe team on stage holding the Launchpad champion cheque over USD 100,000
Launchpad by Stan, Demo Day, October 2026. As announced to the teams; written confirmation pending.6

Four positions since May 2025

Full experience

Now, in November 2026

  • since Oct 2026

    Bachelor's project GorillaScout

    Team of eight at Prof. Gerard de Melo's AI chair: a multi-year pipeline that detects, tracks and re-identifies wild gorillas in camera-trap video.

  • since Aug 2026

    Product issues at MitJulia

    End to end, from fleet-wide analysis to the pull request.

  • 16–19 Nov 2026

    HPI Engine startup tour to Zurich

    Organizing company visits, participant selection and budget.

  • winter 2026/27

    Seminar with BMW on agentic products

    Details under NDA.

From the blog

All posts →

Winning teams, and two scholarships

All awards and hackathons

Evidence before code.

Before I change a product I reproduce the problem on a real transcript and sweep every configuration in the fleet. Defaults stay conservative, per-customer opt-in rather than global switches. Every hand-over names what I did, what I did not do, and what could go wrong, written so that a non-engineer can follow it.

I grew up in Erfurt, went through a specialized STEM school and the federal computer-science competition, and moved to Potsdam for HPI in 2024. I work in focused sprints and use AI coding agents heavily, and say so: the architecture decisions, the test strategy and the review are mine.

Karate
1st Dan13 years; German vice-champion U14 kumite
Red Cross
since 2024Volunteer emergency medical responder
Travel
23 countriesincl. 17 days by van to the Arctic Circle
The longer story

Internship, project or exchange semester: let’s talk.

marvin.heyne@student.hpi.uni-potsdam.de
Download CV (PDF)

I answer within a day or two.

Notes

  1. MitJulia, formerly Friseurtelefon: 100+ salons live as of November 2026 (figure as published by the company); 434 commits in the monorepo, August to November 2026.
  2. Kobe AI, October 2026: 297 of 894 commits in the main repository, 157 of 750 in the desktop repository, 18 of 21 in the pitch deck and 5 of 263 in kobe-eve (about 477 in total, counted with two of my git identities); counted across all three, the v3 repository has 509 of 918 (5 Nov 2026). Releases 1.1.49 and 1.1.50.
  3. Bundesliga Hackathon 2025, DFL × AWS × EintrachtTech: 42 teams, 15 in the final at Deutsche Bank Park, Frankfurt; six winning teams named by the DFL, no ranking among them.
  4. HPI transcript of records, 22 October 2026: 108 ECTS, GPA 1.4 on the German scale where 1.0 is best; both named courses graded 1.0.
  5. PneuNet validation on the project's own split (above 87 percent classification, above 95 percent segmentation); Jugend forscht 2024, Thuringian state round and national final.
  6. Launchpad by Stan, October 2026: 30 teams selected from about 700 applications; the win and the USD 100,000 prize are as announced to the teams, written confirmation pending.
  7. Siemens × AWS Hackathon 2025 and AWS World Sports Innovation Cup 2026: results as announced to the teams; certificates are being collected.