Global Changer is hiring a Senior Software Engineer - Backend to develop our B2B SaaS platform focused on corporate emission reduction. This role involves designing and building resilient, big-data-ready services that translate directly into climate impact.

What You'll Do

Conceive, develop, and maintain big-data-ready, resilient services in collaboration with other engineers.
Participate in pair programming, conduct code reviews, and lead technical spikes.
Work closely with our CTO, Product Managers, and Sustainability Team to translate customer requirements into new features.

What We're Looking For

You live in the EU (CET ±3) with a valid work permit.
Fluent in English with excellent oral and written communication skills.
5+ years of software development experience.
Excellent knowledge of at least one well-known web framework.
Hands-on mentality and an agile mindset.
A passion for addressing the climate crisis and building customer-oriented solutions that deliver real value.

Nice to Have

German language skills are a plus.
Ideally, experience with Ruby on Rails.
A degree in computer science (Bachelor, Master, or Dr.).
Early-stage startup experience.

Technical Stack

Front-end: TypeScript, Vue.js 3, Jest, Cypress, Tailwind.
Back-end: Ruby, Ruby on Rails, Golang, NATS, Postgres, Redis, Docker.
AI: Python, FastAPI, FastStream.
Hosting: Kubernetes, GitHub, GitHub Actions.
Automation: Different LLMs.

Team & Environment

You will join a cross-functional team of 11-50 employees, working closely with the CTO, Product Managers, and the Sustainability Team. Our development team focuses on growth, personal and collective reflection, and follows industry-standard agile processes with two-week sprints.

Benefits & Compensation

Build long-lasting software with a positive impact.
Play a decisive role in shaping our product and corporate culture.
A mission that drives us every day.
Fair compensation in the first order of magnitude: around €80,000 gross depending on experience.
28 vacation days with flexible planning.
Flexible, family-friendly working hours.
100% remote work from your preferred location.
Freedom to contribute to the open source community.
Team events.