Backend Developer

mym; Paris; Hybride; EUR 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Swile meal vouchers

Cutting-edge equipment

Remote working (1 day/week)

Team breakfasts and afterworks

Résumé du poste

MYM is seeking a Back-end Developer to design, develop, and maintain high-performance solutions for its back-end platform. You will drive the transition from a monolith (PHP 8 / Symfony 6.x) to a distributed microservices architecture in Go, while ensuring data integrity across PostgreSQL, DynamoDB and DocumentDB.

Collaboration within a squad will focus on CI/CD, observability, and testing. The ideal candidate has 5+ years of backend experience, strong PHP and Go skills, and a polyglot mindset.

Qualifications

• 5+ years as a software engineer in back-end roles.
• Experience building and scaling high-traffic systems.
• Proficiency in PHP (Symfony) and Golang; comfortable with polyglot stacks.

Responsabilités

• Develop and maintain core business logic in PHP 8 / Symfony 6.x monolith (upgrading to 7).
• Architect and implement new high-performance services in Golang.
• Ensure data integrity with PostgreSQL, DynamoDB and DocumentDB; participate in code reviews.
• Contribute to CI/CD, monitoring, and reliability efforts; write automated tests (unit/integration/E2E).

Connaissances

PHP Symfony

Golang

CI/CD

Monitoring

Playwright

Outils

PostgreSQL

DynamoDB

DocumentDB

Playwright

Jira

Notion

Figma

Description du poste

At MYM, we make no secret of it: we have the ambition to become the leading platform for exclusive content in France and internationally. How? By enabling all Content Creators, through our platform, to guarantee the exclusivity, authenticity and originality of their creations to their users. MYM's Superpowers?

• Power to the Creators I Content creators are paid directly by users, for their content, via a paid subscription they manage with complete autonomy
• Authenticity for the Users I By subscribing to their favorite creators, users gain access to exclusive content, shared nowhere else
• An Infinite Range of Possibilities I Photos, Videos, Stories, Lives, Chat… Users and Creators build, through MYM, an exclusive relationship immensely rich in content.

What you will do:

Supporting 19M users and 130k Daily Active Users (DAU), you will design, develop, and maintain high-performance solutions for the mym back-end platform. In this role, you will be a key player in our transition from a monolith architecture to a distributed ecosystem of microservices. In this role, you will :

• Develop and maintain core business logic within our existing PHP 8 / Symfony 6.4 (upgrading to 7) monolith.
• Architect and implement new, high-performance services in Golang.
• Demonstrate a pragmatic approach by balancing the evolution of existing features with the strategic rewriting of services into Go.
• Ensure data integrity by working with various storage solutions, including PostgreSQL, DynamoDB, and Document DB.
• Participate in code reviews and contribute to technical standards within the team.
• Guarantee quality and reliability by writing robust automated tests (unit, integration, and E2E with Playwright) and ensuring system health through continuous monitoring and observability.

The Challenge in Numbers :

• Performance: Handling a peak load of 10,000 Requests Per Second (RPS).
• Reliability: Maintaining and evolving a system processing11TB of transactional data (media set excluded).
• Impact: Building features for a global community of 19M users, 130k Daily Active Users (DAU).

Who you will work with :

We focus on feature delivery within our squad organization. A squad is composed of a Product Manager, a Product Designer, a Technical Lead, and Back-end, Front-end, and QA engineers. Integrated into the squad perimeter, we focus on technical excellence, bringing people together for tech improvements such as CI/CD, DevX (Developer Experience), monitoring, and more. As a Back-end Developer, you will :

• Collaborate with your squad to design and architect deliverables and solutions.
• Engage with stakeholders to ensure technical strategies align with product goals.
• Share technical expertise and technology watch, and upskill technical teams through internal training programs.

What we are looking for :

You are a 5+ software engineer with a track record of establishing engineering excellence standards

You have experience building and scaling systems in high-traffic environments.

Polyglot Mindset:

You are proficient in PHP (Symfony) and in Golang.Pragmatic

You understand that "rewriting everything" isn't always the solution. You are comfortable maintaining and evolving a legacy monolith while building the future platform in parallel.

Full-System Vision:

You pay attention to deployments, dependencies, monitoring, and security.

Modern Database Experience:

You are comfortable working with relational databases (PostgreSQL) and NoSQL services (DynamoDB, DocumentDB).

What we value :

Curiosity Drive: You relentlessly seek the why and how. You read the manual, experiment, and challenge the status quo to find smart, efficient solutions.

Accountability: You adopt an Extreme Ownership mindset, believing success is always within your scope of action. You focus solely on achieving results.

Positivity Focus: You maintain an unwaveringly positive attitude. You prioritize finding solutions and opportunities over enumerating obstacles or excuses.

Structured Argumentation: You rigorously structure and document ideas, communicating key messages using factual, evidence-based arguments.

Collaborative Excellence: You are committed to continuous improvement for yourself and the team, actively learning from all errors to drive collective growth.

• Services in GolangLegacy part in PHP 7/8 (symfony 6)Rest API, Webhooks and websockets.
• Postman for API development and testing Postgre.
• Playwright for automatic testing
• Jira / Notion / Figma for collaboration
• A rewarding experience in a dynamic and stimulating environment, within demanding tech teams where every idea matters.
• 1 remote working day per week for a better Work-Life Balance.
• Swile meal vouchers and cutting-edge equipment
• Great moments with colleagues, afterworks, team breakfasts, team buildings.

Ready to join the adventure? :

If you see yourself in this role and want to live a unique experience, join the MYM Team!

• Recruitment process: Interview with Omar, our Chief People Officer (30 minutes)
• Interview with Sébastien, Chief Engineer, Product& Data Officer
• Live Case & CulturalFit with the teams Meeting with Gauthier, our CEO