Climate & Environment Full-time

Principal Software Engineer (m/f/d)

1KOMMA5°

Posted

Jul 30, 2026

Location

Remote (Germany)

Type

Full-time

Mission

What you will drive

  • Shape the organisation's technical strategy and innovation efforts
  • Accountable for consistent execution of technical decisions by setting clear direction and holding teams accountable for implementation
  • Ensure software architecture aligns with product management to support current and future product direction
  • Lead architectural direction to deliver scalable, maintainable, and state-of-the-art solutions

Impact

The difference you'll make

Accelerate the energy transition by building the intelligent energy system of the future, enabling 1.5 million households to transition to renewable energies by 2030.

Profile

What makes you a great fit

  • Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years
  • Proven track record of architecting scalable and secure systems
  • Extensive experience in designing and implementing APIs
  • Excellent verbal and written communication skills in English; German is a plus

Benefits

What's in it for you

  • International, dynamic, and highly motivated team
  • Direct impact on climate through work
  • Work remotely (Germany-wide) with offices in Hamburg, Berlin or Munich
  • EGYM Wellpass, Futurebens discounts, job bike leasing
  • Individualised professional development opportunities
  • Reporting directly to the CTO

About

Inside 1KOMMA5°

1KOMMA5° is building the energy system of the future with Heartbeat AI, integrating solar, batteries, heat pumps, and e-mobility into an intelligent virtual power plant. Their goal is to transition 1.5 million households to renewable energies by 2030.