Staff Engineer – Contacts Platform
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Job Description
Staff Engineer developing distributed systems for an AI powered sales & marketing platform. Focused on scaling and performance optimization across complex backend services.
Responsibilities:
- Architect and scale the Contact Creation Engine, ensuring a single source of truth for contact data with 99.95% availability and minimal latency
- Enhance and evolve the Search Engine ecosystem, working with Elasticsearch, Firestore, and ClickHouse to deliver fast, accurate search results at scale
- Own and optimise cloud-native infrastructure using Docker and advanced Kubernetes (cluster management, tuning, networking, and configuration)
- Establish technical standards, drive architecture governance, conduct design reviews, and champion engineering best practices
- Diagnose and solve complex production issues involving latency, throughput, system contention, scaling limits, and distributed node behavior
- Create and analyze postmortems and implement long-term fixes to prevent recurrence
- Partner closely with Product, Platform, and DevOps teams to architect shared services and ensure platform-wide reliability
- Mentor engineers, influence technical decisions, and guide long-term platform evolution
Requirements:
- 8+ years in backend/system engineering roles with hands-on development
- Expertise in distributed systems, microservices, event-driven architectures
- Proven experience in system optimization and performance tuning
- Strong hands-on skills in Docker and Kubernetes (cluster operations, tuning, networking).
- Proficiency in backend languages: Node.js, Go
- Strong database experience with indexing, schema design, and optimization for Elasticsearch, Firestore, ClickHouse
- Understanding of caching strategies, message queues, and high-performance APIs
- Cloud experience with AWS/GCP and CI/CD pipelines (Jenkins or similar)
- Familiarity with observability tools such as Sentry, Grafana, ELK
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