Remote Backend Data Engineer — AI/Quant Platform Equity

Ruya; Maryland; Hybrid; USD 110,000 - 180,000; Full time

Benefits offered by this job

Relocation assistance

Medical & dental insurance

Commuter benefits

Paid time off

Job summary

Ruya AI is seeking a backend-focused Quant engineer to own data pipelines, APIs, and infrastructure that power our multi-modal intelligence agent. You will design secure REST and WebSocket features, manage PostgreSQL schemas, and collaborate with frontend and AI teams to expose stable data contracts.

You should have production experience with Python, FastAPI, TypeScript/Express, JWT/OIDC, and scalable services.

Qualifications

• Strong production experience with Python/FastAPI/TypeScript/Express.
• Strong PostgreSQL knowledge including schema design, migrations, transactions, and performance analysis.
• Experience with OAuth/OIDC, JWT validation, and authorization.
• Understanding of concurrency, idempotency, retries, timeouts, and distributed failure modes.
• Experience designing and testing stable service contracts.
• Security-conscious approach to input validation, credentials, sensitive data, and logging.
• Experience using logs, traces, and error monitoring to diagnose production issues.
• Clear communication and effective collaboration across engineering disciplines.

Responsibilities

• Design and maintain services using Python/FastAPI/TypeScript/Express.
• Build secure REST APIs, SSE streams, and WebSocket-based features.
• Own PostgreSQL schemas, migrations, transactions, and query performance.
• Support OIDC/JWT authentication and resource-scoped RBAC.
• Integrate external data providers and handle authentication, pagination, rate limits, schema variance, and failure states.
• Define stable, documented contracts for frontend and AI consumers.
• Build unit, contract, and database-backed integration tests.
• Instrument services with structured logging and diagnose production failures across APIs, databases, authentication, and external dependencies using tools such as Sentry, Langfuse, or alternatives.
• Collaborate with frontend and AI engineers throughout feature development and release.

Skills

Python

FastAPI

TypeScript

Express

PostgreSQL

OAuth/OIDC

JWT

Distributed systems

API contracts

Security

Logging/Monitoring

Team collaboration

Tools

Sentry

Langfuse

OAuth tooling

Job description

Ruya AI is seeking a backend-focused Quant engineer to own data pipelines, APIs, and infrastructure that power our multi-modal intelligence agent. You will design secure REST and WebSocket features, manage PostgreSQL schemas, and collaborate with frontend and AI teams to expose stable data contracts.

You should have production experience with Python, FastAPI, TypeScript/Express, JWT/OIDC, and scalable services.