Senior Software Engineer
Quantis
Location
Paris
Type
Full-time
Posted
Dec 10, 2025
Mission
What you will drive
- Develop digital products that help companies measure and reduce their environmental impact
- Work with cloud-ready technologies (Java, Python, JavaScript, PostgreSQL, Docker, Terraform, CI/CD) in a small, dynamic, agile team
- Ensure software quality through code reviews and pair programming
- Deliver value through frequent releases and translate sustainability insights from experts into software
Impact
The difference you'll make
This role creates positive change by developing digital solutions that help companies align with Planetary Boundaries and achieve their sustainability objectives, transforming industries toward operating within planetary boundaries.
Profile
What makes you a great fit
- Significant experience as a Senior Software Engineer with background in software design and development
- Versatile, solution-oriented software engineer passionate about design, architecture, and emerging technologies
- Proficient in English and French communication (both written and verbal)
- Collaborative, service-oriented, naturally curious with continuous learning mindset
- Preferred skills: Proficiency in software craftsmanship, RESTful API design, knowledge of cloud provider services
Benefits
What's in it for you
Permanent contract with location in Paris, ability to travel occasionally for internal meetings, and collaboration with international branches. The organization nurtures a culture rooted in collective action and shared purpose where diversity is cherished, inclusion is lived, mental wellbeing is supported, and opportunities are open to all.
About
Inside Quantis
Quantis is a leading sustainability consultancy tackling the world's most pressing environmental challenges, guiding companies to reduce impacts, implement solutions, and operate within planetary boundaries by uniting the latest science with strategic insights.