Senior FS Engineer (BE oriented)

RESPONSIBILITIES

Backend Pipelines & Data Processing

• Build and maintain backend pipelines that consume data from Kafka, apply business logic/ETL, and produce reliable outputs at scale.
• Implement and optimize event-driven architectures (producers/consumers, streaming patterns, batching where relevant).
• Design systems around high volume / high throughput requirements (autoscaling, high availability, resilience).

Database & Performance (Postgres-heavy)

• Own data modeling and performance work in PostgreSQL: query tuning, indexing strategies, schema design, troubleshooting slow queries
• Work with additional data stores as needed (e.g., Redis) based on system needs.

Full-Stack Contribution (light frontend)

• Contribute occasionally to frontend needs in React (new pages, small UI fixes).

Production Engineering

• Build/operate services in a true production environment:
  • observability (logs/metrics/tracing), debugging, reliability improvements
  • performance profiling and bottleneck analysis

TECHNICAL REQUIREMENTS

Backend & Architecture

• TypeScript + Node.js (production experience)
• NestJS (strong preference, used as the main backend framework)
• Strong experience designing backend systems at high scale:
  • autoscaling, HA, performance, resilience, failure modes
• Strong knowledge of event-driven systems:
  • Kafka-based ingestion/streaming, producers/consumers, pipelines, batching concepts

Data Stores

• PostgreSQL / SQL proficiency (deep skills required: schema modeling, query optimization)
• Kafka (hands-on experience strongly preferred)
• Redis (working knowledge)

Infrastructure

• Experience working in AWS + Kubernetes environments (production familiarity expected)

Observability

• Practical experience with logs, metrics, tracing to monitor and debug production systems.

Nice-to-Have

• Security domain familiarity (application security / runtime protection / vulnerability management) — advantage, not mandatory
• Prior work in data-intensive security platforms or similar high-scale systems

AI Tooling Expectations

• Oligo strongly encourages AI-assisted development (primarily Claude; some Cursor).
• They have automation and AI-supported workflows (including AI-assisted code review) and value engineers who can work effectively in that environment.