Job Opportunities in the Daphni Portfolio


Senior Security Engineer

Back Market

Back Market

Software Engineering
Paris, France
Posted on Sunday, February 11, 2024
Back Market is the world’s leading refurbished electronics marketplace with a team of 650 people, powering operations in 21 countries (and counting!).

Named one of the World's Most Innovative Companies by Fast Company in 2019 and again in 2021, our mission is simple: empowering people to consume tech sustainably by offering folks a high quality, accessible, and more eco-friendly alternative to buying new electronics. Why? Refurbished tech helps lower our collective environmental impact . We have indeed contributed to avoid the production of more than 1,000,000 tons of CO2e worldwide since our launch in 2014.

Be part of an exciting and growing international adventure that will change the way the world consumes tech.

As a Senior Security Engineer within the SecOps Squad , protecting Back Market's information assets is your first priority. Our SecOps team handles both Security Architecture & Engineering topics, as well as active monitoring, incident response & remediation activities.

Being a domain expert and evangelist of cybersecurity best practices you will :

  • Contribute to the continuous improvement of the company's security posture, ensuring our defenses are resilient to threats.
  • Share your time between supporting and advising technical teams, automating and improving security controls, enhancing our security framework, mentoring fellow Security Engineers, and, generally speaking, leading the design, build, and operation of modern security solutions that scale.
  • Contribute to monitoring security alerts & events to identify potential threats & incidents, Investigate & analyze security incidents to determine the extent and impact of the breach, collaborate with other teams to gather and analyze threat intelligence & maintain and improve security incident detection and response procedures.

We aim for excellence so we are counting on you to support and advise our teams on the technical security aspect of these challenges.

What we're looking for :

  • You are a talented engineer with solid fundamentals, and at least 5 years experience of securing web services in dynamic cloud environments.
  • Proven experience as a Security Engineer / SOC analystStrong understanding of cybersecurity principles, techniques, and best practices
  • You believe in the importance of security automation following a secure development lifecycle, and developing your own scripts and tools is a no-brainer to succeed in your mission.
  • You are equally comfortable utilizing and tuning off-the-shelf products.
  • Be comfortable conducting Security Requirement Analysis & propose cybersecurity architectures based on the analysis.
  • Threat intelligence and attack patterns expertiseFamiliarity with SIEM tools, network and endpoint security technologies
  • You are passionate about cybersecurity, hands-on, and eager to contribute code to our in-house modern security technologies.
  • You are curious, rigorous, and enjoy exploring new methods and technologies.
  • You are transparent in your communication and are able to find solutions with your team when you don't have an answer.
  • You like to share knowledge, and make your colleagues aware of good cybersecurity practices, by supporting your proposals with concrete examples and demonstrations.
  • Your skills are recognized by a certification such as CCSP or CSSLP, SANS GCSA/GSOC/GCIH, CKA/CKS, BTL1, CSA CCSK, GCP or AWS Cloud Security Certification - or you are ready to obtain it in the near future.
  • You want to join a challenging technical environment: GCP, Kubernetes, ArgoCD, Terraform, Datadog, Cloudflare, Google Chronicle, Github, CircleCI etc., where you can learn, develop and gain responsibility.
  • Proficient in several coding languages such as Python, TypeScript, Golang, etc.
  • Great verbal and written communication skills in English.

Call with Marie one of our tech talent acquisition specialist

Technical interview with members of the Cybersecurity team

Team Fit interview with your Manager and one of your potential future coworker

Value interview


  • A meaningful job: you will help avoid thousands of tons of electronic waste and fight against planned obsolescence. It counts!
  • A meaningful company: we became a mission-driven company in January 2022.
  • Be part of a worldwide growing company based in Europe, the USA and Asia to face great challenges : you will have the freedom to innovate and adopt new ideas!
  • Work alongside passionate experts: who will share their knowledge and help you develop and grow in your career.
  • Grow your career: with a flexible career path and a dedicated Learning & Development team. Back Market will help you evolve with personalized internal trainings and external handpicked providers from day 1!
  • Leadership Academy by Back Market:“be a coach not a dictator” is at the core of this program ! We train and enable all our leaders to support their team towards achieving goals. Be a manager at Back Market is an unique experience we take by heart.
  • An attractive salary, equity and a host of benefits including : Lunch voucher, health insurance, relocation package, paid time off for activism in your community, parental benefits, flexible hours, etc…
  • One Loving Tribe: you will have the opportunity to work in a fast-paced, open-minded and friendly environment.
  • Be part of one of our Employee Resource Groups createdaround shared identities, common backgrounds and/or special interests crafted to be a safe space and an expressive outlet.
  • Several internal events: The Monday Brief (weekly)/ The Somehands (monthly)/ The All Hands (annual).
  • We’re here to SABOTAGE: It’s our mantra. It keeps us focused on what we aspire to be: a little bit sneaky, always smart, kinda frugal and constantly conspiring to create maximum impact.

Back Market is an Equal Opportunity Employer which means we pledge to not discriminate against employees based on race, color, religion, sex, national origin, age, disability or genetic information.. If reasonable accommodations are needed for the interview process, please do not hesitate to discuss this with the Talent Acquisition Team.

Back Market is helping to address one of the biggest challenges of our time: climate change. We take this so seriously that we were awarded status as a “Société à Mission”, or company with a social mission, by the French government. We know we can’t tackle a global problem without a globally representative team so we are committed to embedding diversity, equity and inclusion principles in every aspect of our organization. But more importantly, being One Loving & Free Spirited Tribe is in our DNA as it is one of the five foundational values of our company since we got started way back in 2014. We are committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives. We know our lofty goals cannot be reached unless everyone has a seat at the table along with the resources and opportunity to grow.