onsite

Senior Full-Stack Software Engineer - 20 GmbH

Software Engineer

We're looking for a Software Engineer focused on designing and building scalable technical solutions. This senior role requires 5+ years of relevant experience.

About the role

Senior Full-Stack Software Engineer at 20 GmbH.

Key technologies: Software Development, System Design, Problem Solving.

Key Responsibilities

Design, develop and maintain scalable software systems
Write clean, well-tested and documented code
Participate in code reviews and contribute to engineering best practices
Collaborate with product and design teams to deliver features

Requirements

5+ years of relevant experience in software engineer
Experience with software design patterns and architecture
Solid understanding of data structures and algorithms

Skills

software developmentsystem designproblem solving

Company20 GmbH

DepartmentEngineering

LocationBerlin, Germany

Experience5+ years

Tenurefull-time

LevelSenior

Posted June 23, 2026