
Jann-Erik S.
Level 1
Professional software engineer and infrastructure expert from Berlin, Germany
Skills

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Work experience
Student Researcher
TU Berlin • Part-time
Sep 2024 - Present • 1 yr 8 mos
At TU Berlin, I work as a Student Researcher in the development of autonomous drones and drone swarms. My work focuses on both onboard and offboard software for sensor integration and motor control, as well as AI-based mapping using cameras and LiDAR systems.
Senior Software Engineer
Castapp • Freelance
Jan 2023 - Present • 3 yrs 4 mos
At Castapp, I work as a Senior Software Engineer and am responsible for a large part of the software development. I also oversee the planning and maintenance of the server infrastructure and am closely involved in making key technical decisions that shape the platform’s architecture and future development.
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Rating Breakdown
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- Quality of delivery
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s_k_hamburg
Repeat Client

Germany
Outstanding experience from start to finish. The communication was professional and responsive throughout the entire project — every question was answered promptly and thoroughly, which made collaboration effortless.The coding expertise really stood out. Clean, well-structured code that followed best...
michael_plothe

Germany
Sehr kompetenter und professioneller Kontakt. Danke, gerne wieder.
barmettlerict

Switzerland
s_k_hamburg
Repeat Client

Germany
Sehr kompetenter Entwickler mit sauberem Code, schneller Auffassungsgabe und praxisnahen Lösungen. Er arbeitet äußerst zuverlässig, liefert pünktlich ab und denkt bei Details mit. Die Kommunikation war klar und unkompliziert. Absolut empfehlenswert für alle, die Wert auf Qualität, Effizienz und professionelle Ergebnisse legen.
Seller's Response
cybertiseeu

Germany
Unglaublich kompetent, super cleaner code, Auge für wichtige Details und gute Kommunikation- wir sind mehr als zufrieden mit dem Ergebnis und können Jann-Erik wärmstens weiterempfehlen!

