Backend Engineer
New
R
RemotebaseFintech / Trading
BrazilFull-TimeMiddle
Salary not disclosed
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Job Details
- Required Skills
- Node.jsPostgreSQLPythonAWS EKSTypeScriptTerraformDatadog
Requirements
- Strong backend engineering and computer-science fundamentals: data structures, algorithms, concurrency, and performance/latency awareness.
- Proficiency in Python, TypeScript, or Node.js.
- Solid quantitative foundation: probability, statistics, and numerical methods.
- Experience with relational databases (PostgreSQL) and event-driven or streaming architectures.
- Experience in trading, market-making, exchanges, derivatives/options pricing, or prediction markets.
- Knowledge of market micro-structure, order-book dynamics, execution, and adverse selection.
- Experience with low-latency / real-time systems, WebSockets at scale, and event sourcing / CQRS.
- Double-entry ledger or payments-platform experience.
- Cloud experience at production scale (AWS EKS / RDS), Terraform, and observability (Datadog / Sentry).
- Simulation / backtesting experience and statistical rigour.
Responsibilities
- Build and maintain the core engine: pricing / market-making, order books and matching, execution, and inventory-risk controls.
- Research, prototype, and productionize quantitative logic for pricing, order-flow signals, and risk management.
- Develop simulation and backtesting frameworks; run parameter sweeps and evaluate performance.
- Implement the real-time delivery path (WebSocket fan-out) and authoritative data-feed ingestion.
- Contribute to the money-grade double-entry ledger and the settlement flows.
- Define and monitor key risk and performance metrics, and instrument the system for real-time observability.
- Write correctness-critical, deterministic, well-tested code with attention to numerical precision.
- Collaborate across engineering, product, and infrastructure to take work from spec to production.
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