Hamburg · Currently at plancraft

Henok
Seifu

Senior AI Product Developer

Product-focused engineer building scalable products and AI-powered experiences that solve real customer problems.

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About

Building foundations that let teams ship

With 7+ years across product engineering, I focus on strong technical foundations, AI-powered workflows, and close collaboration with product teams from idea to reliable delivery.

Role
Software Engineer, plancraft
Focus
AI product · Full-stack
Location
Hamburg, Germany
Education
B.Sc. Computer Science, Jacobs University Bremen

Experience

Where I've been building

Mar 2026 — Present Current

Software Engineer

plancraft

  • Build AI-powered document workflows for offers, invoices, and reports
  • Contribute to the AI foundation layer using Mastra
  • Ship customer-critical features in close collaboration with the product team
  • Build reusable foundations for faster development of AI-powered features
  • Decreased time to send out quotes by half

TypeScript · Node.js · React · GCP · Firebase · Mastra

Apr 2023 — Feb 2026

Full-stack Developer → Senior Individual Contributor

Cozero

  • Owned features across the full product development lifecycle
  • Led integrations used by the company's two largest clients
  • Collaborated with product stakeholders to shape and prioritize solutions
  • Built a pipeline that ingested more than half of all users' emission data

TypeScript · Node.js · NestJS · React · PostgreSQL · AWS

Feb 2020 — Apr 2023

Product Engineer

TalentBait

  • Owned frontend and backend development of the company's entire web app
  • Built and launched a new web app supporting the company's value proposition
  • Managed agile teams to build and ship new features
  • More than doubled candidate response rates by ideating and building a new web application

Node.js · React · Firebase · Meta API · Google Ads API

Jun — Dec 2019

Machine Learning Intern

TalentBait

  • Built NLP automations for sentiment analysis and text classification
  • Developed a data pipeline for ingesting and analyzing text data
  • Built an API to trigger actions based on model-generated analysis

Python · PyTorch · Scikit-learn · Prodigy

Feb — May 2019

Explorative Data Analyst

German AI Research Centre (DFKI)

  • Created interactive simulations for exploring robot movement

Python · Scikit-learn · PyTorch · Prodigy

Side projects

Things I'm building

In progress

Jarvis

The assistance everyone deserves.

A personal everything AI assistant for both professional and personal life — authenticated chat with lasting memory, built to grow into a tool-rich companion with MCP and external integrations.

  • Streaming chat with Postgres-backed working memory
  • Designed for multiple tool / MCP integrations
  • Auth and agent foundation in place; integrations expanding

Mastra · NestJS · React · Supabase

Live

En route

Logistics, live.

A fleet and shipment tracking platform that keeps vehicles, deliveries, and live GPS in one place — for operators running the day and customers following a shipment.

  • Live vehicle tracking with real-time map updates
  • Shipment lifecycle, drivers, and customer workflows
  • Public tracking links and fleet performance reports

React · NestJS · PostgreSQL · Mapbox · Socket.IO · Traccar

Visit en-route.site

Skills

Tools I work with

Engineering

TypeScript Node.js React NestJS Python Mastra

Infrastructure

GCP AWS Firebase Docker Serverless

Data

PostgreSQL MongoDB Redis

AI tools

Cursor Claude Code Codex Mastra

Ways of working

Product ownership Scrum Team leadership Figma

References

People I've worked with

Contact

Let's build something useful

Open to conversations about AI product work, collaboration, or the next interesting problem to solve.

Email henokhailu37@gmail.com Phone +49 152 26542018
Location Hamburg, Germany