Senior Software Engineer, Node.js, Kafka

🕒 July 2

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Gramian Consulting

WebsiteLinkedInAll Job Openings

2 - 10 employees

Founded 2025

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

Gramian Consulting is a remote-first consulting firm that connects engineering and data/AI talent with organizations through talent augmentation, recruiting, dedicated teams, and contractor management. The firm provides Data & AI services including LLM training and fine-tuning, AI agents and assistants, MLOps, and AI infrastructure, and it offers mentorship and education programs for career readiness, interview preparation, and international market orientation. Rooted in hands-on engineering and recruiting experience, Gramian helps clients scale technical teams and extract business value from AI while developing individual talent.

📋 Description

• 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

• 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

• 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