cover image
Quantis

Senior Software Engineer

Hybrid

Paris, France

Senior

Full Time

02-02-2026

Share this job:

Skills

Python Java JavaScript PostgreSQL CI/CD Docker Architecture Programming Agile Terraform

Job Specifications

As a Senior Software Engineer at Quantis, you will develop digital products that help companies to measure and reduce their environmental impact.

Joining the Quantis digital team means:

As a member of a small, dynamic, and agile team, you will be working with cloud-ready technologies such as Java, Python, JavaScript, PostgreSQL, Docker, Terraform, CI/CD, etc
You will ensure our software quality through code reviews and pair programming
You will deliver value through frequent releases
You will exchange and share with the team on diverse topics such as matrix inversion, graph traversal, the impact of manure on global warming, and various methods of moving data through pipelines
You will work with top sustainability leaders and experts to translate their insights and expertise into software

WHY YOU'LL LOVE QUANTIS

Quantis, a BCG company, is a leading sustainability consultancy tackling the world's most pressing environmental challenges. For nearly two decades, our expert team has partnered with organizations across the globe to transform industries and shape an economy that thrives in harmony with nature. We guide companies from business as usual to business at its best by uniting the latest science with strategic insights, helping them reduce impacts, implement solutions, and operate within planetary boundaries.

United by a common purpose, our 250+ professionals embody a unique, collaborative culture that we call the Quantis Spirit. We are innovative. We are impact-oriented. We are science-driven. We are Quantis.

Learn more about Quantis and our mission.

ARE YOU READY TO BUILD DIGITAL SOLUTIONS FOR A SUSTAINABLE FUTURE?

You're eager to apply your software engineering skills to our mission of aligning businesses with Planetary Boundaries and motivated by helping companies achieve their sustainability objectives
You're a versatile and solution-oriented software engineer, passionate about design, architecture, and emerging technologies
You're collaborative, service-oriented, and enjoy supporting your peers
You're naturally curious and continuously seek to learn and improve
You bring significant experience as a Senior Software Engineer, ideally with a background in software design and development
You communicate clearly and effectively in English and French, both in writing and verbally

Additional preferred skills:

Proficiency in software craftsmanship
RESTful API design
Knowledge of standard services provided by cloud providers

Some Other Details To Consider

Contract: Permanent
Location: Paris
Optimal start date: As soon as possible
Frequent collaboration with other Quantis branches (Switzerland, Italy, Germany, US) via web-conference
Ability to travel occasionally for internal meetings

Unlocking the Potential of All Quantisians

At Quantis, Unlocking Potential means empowering our employees to thrive, enabling them to drive our mission and manifesto forward—creating meaningful impact for people and the planet.

We aim to achieve this by nurturing 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.

This extends to our clients, their clients, and their entire value chain as sustainable thinking and collective representation are integral components of our purpose to transform the way that businesses operate.

This is how we commit to our people, live our manifesto, and shape a sustainable future - together.

About the Company

Quantis, a BCG company, partners with leading consumer goods and financial services organizations to drive sustainable transformation to operate within planetary boundaries. We balance the latest science with business acumen to guide our clients to future-proof their business and thrive in a new planetary economy. We believe in the power of business to create a sustainable future where nature, people – and business – can thrive. Know more