Senior Software Engineer – High Scale Distributed Systems

Gramian Consulting

Senior Backend Engineer contributing to distributed systems and scalable microservices for a top European gaming platform. Collaborating across teams to enhance advanced technology solutions.

Posted 5/19/2026full-timeParis • 🇫🇷 FranceSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerJavaScriptKafkaMicroservicesMySQLNode.jsPostgresRedis

About the role

Key responsibilities & impact

Design and evolve the architecture of distributed backend systems
Develop highly available and scalable microservices
Build and maintain APIs and data models
Work on real-time event-driven systems with high throughput requirements
Implement unit, integration, and end-to-end testing
Participate in code reviews and technical discussions
Deploy and maintain services in AWS environments
Monitor, troubleshoot, and optimize platform performance
Contribute to architecture and technical documentation
Collaborate with Frontend, Data, Infrastructure, Security, and Product teams

Requirements

What you’ll need

Significant experience in developing back-end services on a high-traffic platform (10K+ req/s)
Significant experience with load balancing, high availability, scaling, caching, database, and storage issues
Proficiency in event-driven distributed architectures
Proficiency in Redis or Kafka (data structures, pub/sub, streams, pipelines)
Proficiency in relational databases (MySQL or PostgreSQL), modeling, optimization, transactions, and locks
Knowledge of JavaScript and the Node.js ecosystem is desirable (microservices rely on Node.js)
Knowledge of the cloud environment
DevOps culture (CI/CD, Docker, Observability)
Mandatory academic background from CPGE scientifiques (Maths Sup / Maths Spé)

Benefits

Comp & perks

Permanent full-time contract (CDI)
4-day work week
Profit-sharing and participation programs
Company restaurant
On-site gym facilities
Long-term growth opportunities
Modern engineering culture focused on scalability and innovation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend developmentmicroservicesAPI developmentdata modelingunit testingintegration testingend-to-end testingevent-driven architectureload balancingdatabase optimization

Soft Skills

collaborationcommunicationtechnical discussioncode review

Certifications

CPGE scientifiques