Software Engineer

Sanofi; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Sanofi Accelerator in Paris invites a Software Engineer to join a cross-disciplinary team blending science and software to accelerate drug development. You will design robust solutions, mentor peers, and shape scalable architectures in a hybrid environment.

This role emphasizes collaboration across product and research teams, with cloud, microservices, and API design at the core. You’ll lead technical decisions, adopt best practices, and contribute to a culture of continuous learning and

Qualifications

• 5+ years in software engineering or equivalent.
• Experience collaborating with multiple teams to deliver complex projects.
• Strong knowledge of cloud-based architectures.
• Proficient in JavaScript ecosystems (Node.js, React).
• Ability to drive technical decisions and mentor others.
• Comfort with new technologies and fast-paced environment.

Responsibilities

• Design and implement robust software solutions to accelerate research workflows.
• Lead technical decision-making for key projects with scalable architectures.
• Mentor junior engineers and contribute to a strong engineering culture.
• Set technical standards and drive best practices across the team.
• Collaborate with other teams to optimize workflows and reduce bottlenecks.
• Champion best engineering practices and innovation.

Skills

AWS

GCP

Azure

Node.js

React

Microservices

APIs

CI/CD

DevOps

English communication

Education

Bachelor's degree in Computer Science or related field

Tools

Terraform

AWS CDK

Docker

Job description

Job title

Software Engineer

• Location: Paris, France (Hybrid - 3 days onsite, 2 days remote)

About The Job

At Sanofi Accelerator's R&D, we work at the intersection of science and software, partnering closely with product teams and scientists to revolutionize how we approach drug development. Our mission is to leverage cutting-edge technology to innovate across the entire R&D pipeline, from initial research through clinical trials. We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. Digital & Data are at the heart of Sanofi: our ambition is to be the leading digital healthcare platform to develop & deliver medicine faster, enable healthcare professionals to improve treatments and help patients improve their health. Ready to get started?

Your Impact

As a Software Engineer, You Will

• Design and implement robust software solutions that accelerate research workflows and improve data analysis capabilities
• Lead technical decision-making for key projects, ensuring scalable and maintainable architectures
• Mentor junior engineers and contribute to building a strong engineering culture
• Set technical standards and drive adoption of best practices across the team
• Support and collaborate with other teams to optimize workflows and eliminate bottlenecks.
• Advocate for best engineering practices.
• Surprise us.

Technical Requirements

• Experience with one or more of the major cloud providers such as AWS, GCP, or Azure
• Infrastructure as Code – Terraform, AWS CDK, or similar
• Proficiency in JavaScript / Node.js
• Proficiency in React or similar framework
• Experience building and maintaining microservice architectures, designing APIs, and cloud security best practices knowledge
• CI/CD practices and DevOps principles

About You

Soft & Behavioral Skills

• Experience working with multiple teams to drive alignment and results
• Service-oriented, flexible, and a team player who takes initiative
• Strong problem-solving & critical thinking skills
• Excellent written and verbal communication in English
• Growth mindset with enthusiasm for learning new technologies and approaches
• Innovation-focused with a willingness to experiment and introduce improved ways of working
• Surprise us with innovative approaches to exponentially increase our productivity

Your background

• 5+ years of experience (or equivalent knowledge). If you feel qualified, apply regardless of years of experience!
• Bachelor's degree in Computer Science, Engineering, or equivalent experience is a plus.
• Experience in an innovative, fast-paced environment.

At Sanofi, We Empower Engineers To Take Responsibility And Accountability For What They Build. You Have The Freedom Of Technical Choice To Drive Innovation

• Assumes responsibility for the success of projects, including meeting deadlines and quality standards.
• Takes ownership of technical decisions and leads efforts to overcome obstacles.
• Accountable for the overall performance and efficiency of engineering solutions.
• Actively participates in the design, development, and testing of critical components.

Growing Our Team and Culture

At Sanofi, beyond technical expertise, we value leadership that builds strong teams. You'll have opportunities to:

• Lead technical initiatives while fostering collaboration across teams
• Shape our engineering culture through mentoring and knowledge sharing
• Help grow our team by participating in hiring and talent development
• Drive positive team culture that encourages innovation and inclusivity

Why choose us?

• We provide a highly collaborative environment, with an opportunity to work with a world class team
• Contribute to a company that is not only a leader in healthcare but also a pioneer in digital transformation, shaping the future of global health
• Bring the miracles of science to life alongside a supportive, future-focused team
• Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally
• Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact
• Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave
• Play an instrumental part in creating best practice within our manufacturing facility
• Pursue Progress. Discover Extraordinary.
• Progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue Progress. And let’s discover Extraordinary together.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.

Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!

#Accelerator

Diversity and inclusion are the pillars of how Sanofi operates and are an integral part of the company's values.

We respect the diversity of our employees, as well as their backgrounds and experiences. In order to benefit from the richness that diversity brings, Sanofi is committed to leading by example in inclusion and fostering a work environment where differences can thrive and contribute to helping patients regain a better life.

As part of its diversity commitment, Sanofi welcomes and integrates employees with disabilities.