Senior Backend Engineer - Shipping Core
Senior Backend Engineer - Shipping Core
Posted on :
07-07-2025
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1 Vacancy
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Job Description
Hi were Back Market.
Were here to help make tech reliable affordable and better than new. Were a global marketplace for refurbished devices helping lower our collective environmental impact by providing trustworthy affordable tech with 92% less carbon emissions than new.
Yep you read that right. Turns out refurbished tech is way better for the planet than new. In fact With every device purchased on Back Market our positive impact on the planet grows. From our Customer Care representatives to our software engineer every individual at Back Market cuts the planet and consumers a break. Our mission is simple: to do more with what we already have.
Are you ready to join us
Our engineering department the Bureau of technology
Our technology department known as the Bureau of Technology (BoT) is at the heart of Back Market. It consists of over 30 dynamic product teams that are engaged in developing and managing services to deliver significant value to our customers and suppliers. These teams are effectively supported by our Platform group which includes more than 10 specialized teams addressing cross-cutting technical issues to enhance our operational capabilities.
In addition to these functional teams we have established numerous groups dedicated to sharing knowledge across various technical disciplines such as security backend frontend AI and mobile. These groups serve as hubs for collaboration and professional development providing ample learning opportunities and fostering a culture of continuous improvement.
Our staff engineers also play a pivotal role throughout the company lending their expertise across different domains. They provide leadership and technical guidance promoting alternative career paths for growth beyond traditional management roles.
As a Senior Backend Engineer you will work closely with all members of your squad and the Staff engineer of your group. Bi-monthly rituals with your group and the Backend Chapter will allow you to share what works for your squad learn what works for others and make sure your technical direction is aligned with the overall vision.
Main technical challenges
Traditionally based on a monolith Back Markets technical stack has been undergoing a radical transformation in recent years into a distributed and service-oriented architecture. This transition provides an opportunity to modernize the platform raising engineering standards.
Building a set of efficient and loosely coupled services is one of the main challenges to face for the years to come. But teams are excited to independently control their release schedules manage their data SLAs tools and ultimately be responsible for their own service-offering. Meanwhile Platform teams are working to provide a scalable consistent and secure platform one that makes engineering teams more productive.
As a Senior Backend Engineer the challenge is three-fold:
Ensure a seamless transition with zero downtime and no revenue loss
Reduce complexity while increasing adaptability of the codebase in the context of new country openings
Guarantee high performance and reliability of production environments
Our technical environment
Application
Python - FastAPI framework
SQLAlchemy
Celery
Golang
Django (being phased out)
Data
PostgreSQL
Redis
Kafka
RabbitMQ
BigQuery
Infrastructure
GCP
Kubernetes (GKE) / Docker
Datadog
ArgoCD / CircleCI / Github
What you will do in this role
We are looking for a Senior Backend Engineer to help us build & operate a set of efficient high cohesion low coupling services with security and privacy by design in order to support the growth of the business.
You will be working in an agile build it and run it environment where engineering teams build launch monitor and support the product that they own.
We are looking for passion in creating systems by producing clean consistent and well-organised code. As well as a good team player supporting colleagues and creating a learning and sharing environment!
English must be a no-brainer as you will join an international team dispatched in different locations around the world (US/FR/ES/JP)
As a Senior I Engineer: Produce Innovate & Share
- Facilitates meaningful discussions around complex issues.
- Suggests or makes improvements for existing designs and architecture for quarter-bounded projects or mission-critical areas in their squad.
- Explores technologies with sizable potential impact for the team.
- Is able to contribute actively to high-impact chaos migration.
- Identifiesand advocate for prioritization of tasks that can optimize delivery
Recruitment process
- Call with Marie (45 minutes) one of our expert tech TA
- Coding & Testing interview- 1hour
- System Design & Data interview- 45 minutes each part
- Tech Leadership interview- 1 hour
- Back Market Values fit interview
Hybrid mode : 3 days / week at the office ( Monday is mandatory)
WHY SHOULD YOU JOIN US
At Back Market were committed to hiring and supporting diverse teams of people from all backgrounds experiences and perspectives its one of the reasons were such a high-scoring certified B Corp company (93.2).
No matter your role and seniority level youll enjoy impact-driven work with hands-on career development in an innovative driven and fast-paced environment with benefits to match like:
- A mission driven work environment where your day to day makes an impact on the planet. Seriously.
- Hybrid work environment with 2 remote days a week and 1 remote work week per quarter plus 3 flex days.
- Employee Resource Groups including mentorship programs comprehensive accessibility policies and cultural competency training.
At Back Market we strive to create a workplace that embodies the world were trying to change. Weve embedded our diversity equity and inclusion principles into our DNA from dedicated staff to employee resource groups to our company values.
We know that the perfect background for a role doesnt mean the perfect fit we encourage you to apply for a role even if you think you may not have all the qualifications.
If reasonable accommodations are needed for the interview process please do not hesitate to discuss this with the Talent Acquisition Team.
Required Experience:
Senior IC
Employment Type
Full-Time
Key Skills
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