Jonas Bautzmann
Tech Lead
With over 10 years of experience in software engineering, I specialize in building scalable web applications and mobile solutions. I'm passionate about solving complex problems and turning innovative ideas into reality.
About Me
I'm a software engineer with a deep passion for creating meaningful digital experiences. From building e-commerce platforms to designing health tech applications, I bring a combination of technical expertise and creative problem-solving to every project.
Currently leading the Checkout, Payments and Customer Retention engineering team at Spread Group, I focus on driving platform transformation and setting modern web standards. I believe in clean code, continuous learning, and building products that make a difference.
Clean Code
Writing maintainable, scalable solutions that stand the test of time.
Innovation
Pushing boundaries with cutting-edge technology and fresh approaches.
Collaboration
Building great products through strong teamwork and open communication.
Excellence
Delivering high-quality results with attention to every detail.
Technical Skills
Frontend
Building modern, responsive user interfaces with cutting-edge frameworks and tools.
Backend
Developing robust server-side solutions with scalable architectures.
DevOps & Tools
Streamlining deployment pipelines and infrastructure management.
Experience
Tech Lead
Sep 2024 — PresentSpread Group
Leading one of Spread Group's software engineering teams. Responsible for Checkout, Payments and Customer Retention.
Senior Software Engineer
Sep 2023 — Sep 2024Spread Group
Modernized the SPOD web application, improved accessibility standards, and led the rebranding initiative to Spreadconnect.
Software Engineer
Oct 2022 — Sep 2023RAYLYTIC
Developed medical coding frontend applications and designed next-generation health tech products. Trained developers in React, performance optimization, and component-driven architecture.
Software Engineer
Jan 2022 — Sep 2022the nu company
Developed a state-of-the-art shop application frontend and maintained the Shopify store. Supported other teams with technical expertise.
Software Engineer
Oct 2018 — Dec 2021Spread Group
Developed the Spreadshirt Print on Demand (SPOD) frontend and created tools for customer service workflow optimization.
Student Software Engineer
Oct 2015 — Sep 2018University of Cooperative Education Leipzig & Spread Group
Studied Computer Science with Spread Group in a dual study program. Worked on the Spreadshirt designer tool and checkout system.
Tools & Libraries
Technologies I love working with every day.
React
The community and ecosystem make React my go-to choice for building user interfaces.
IntelliJ IDEA
Extensive features and deep customization make it the perfect development environment.
Claude Code
An agentic coding assistant that lives in the terminal — turning ideas into working code through natural conversation.
TanStack Query
Eliminates boilerplate and makes server state management a breeze.
Tailwind CSS
A utility-first framework that enables building consistent design systems rapidly.
Vitest
Lightning-fast testing with seamless Vite integration and a great developer experience.
OpenAPI Fetch
Type-safe API clients generated from OpenAPI specs — no more manual typing.
TanStack Start
Combines the best of Next.js and TanStack into a powerful full-stack framework.
Storybook
Component-driven development in isolation — perfect for building design systems.
Zod
Type-safe schema validation that bridges the gap between runtime and compile-time safety.
Beyond Code
Watching Series
I love watching all kinds of series and documentaries.
Favorites: Stranger Things, Andor, Breaking Bad
Video Games
Fascinated by game mechanics, design patterns, and interactive UX.
Currently playing: Helldivers 2, League of Legends, Baldur's Gate 3
Plant Care
A therapeutic hobby that brings nature into my workspace.
Collection: 10+ plants including monstera, orchids, and dracaenas
Tabletop RPGs
Immersive storytelling and creative problem-solving with friends.
Always open to new campaigns and worlds to explore
Walking & Hiking
Switching off and recharging in nature — the best way to clear my head.
Favorite region: Saxon Switzerland
Learning an Instrument
A new challenge on my list — picking up an instrument and learning to play.
Status: In progress
Let's Connect
Whether you're interested in working together, discussing technology, or just want to say hello — I'd love to hear from you.