Backend Platform Engineer - Core Trading Systems

Backend Platform Engineer - Core Trading Systems

Our client is reimagining how core trading platform operate. They're building a high-performance, reliable, and scalable system that enables active retail and institutional traders to access capital markets with precision and speed.

They are a fast-moving team building a new order management system from the ground up. This is a rare opportunity to work on a greenfield project in a start-up environment backed by experienced engineers and thoughtful architecture.

Project: Order & Execution Management System (OEMS) - the foundation of our next-gen trading platform. This includes:

• API Gateways for accessing the trading platform backend.
• Order lifecycle management: ingestion, validation, and execution of trades.
• Real-time risk checks and compliance workflows.
• Support for multiple asset classes: U.S. Equities, Options, and eventually Crypto, Fixed Income, and international markets.
• Integration with internal data systems for analytics and reporting.

Responsibilities:

• Design, develop, and maintain scalable backend systems in a low-latency, high-throughput environment.
• Help build our core OEMS platform from scratch alongside a small team of senior engineers.
• Own the architecture and development of API Gateways (Kong, AWS-based).
• Contribute to data infrastructure: querying relational databases (Postgres), in-memory caching, data pipelines.
• Work on high-performance messaging and event-driven systems (e.g., FIX, ITCH, Aeron).
• Collaborate cross-functionally with other engineering and product teams.
• Contribute ideas on system design, technical direction, and long-term platform strategy.

Must Have Skills:

• 5+ years in Backend Engineering; proficient in low-latency, high-performance systems using Rust, Go/Golang, and/or Low-Latency Java.
• Strong knowledge of API design and development (REST, API gateways like Kong or AWS)
• Experience with relational databases (Postgres or similar)
• Comfort with event-driven architectures and distributed systems

Nice-to-Have Skills:

• Experience with high-performance messaging protocols (FIX, ITCH, OUCH, Aeron)
• Familiarity with U.S. Equities, Options, or similar asset classes
• Exposure to crypto, fixed income, or international trading platforms
• Familiarity with Kafka, Snowflake, or similar data pipelines
• Personal trading interest or experience (not required, but helpful context)