Core Platform Engineer - Real-Time Trading Infrastructure

HLS Trading; Greenwich (CT); On-site; USD 100,000 - 130,000; Full time

Job summary

A financial technology firm in Connecticut is looking for a talented Core Developer to enhance the platform for systematic research and quantitative trading. This role involves developing high-performance backend services, real-time systems for trading, and managing scalable data pipelines. The ideal candidate will have over 3 years of software development experience with expert-level Python and proficiency in a systems programming language such as C++, Rust, Go, or Java. Familiarity with cloud platforms and CI/CD is a plus.

Qualifications

• 3+ years of professional software development experience.
• Expert-level Python proficiency with large-scale data processing.
• Proficiency in a high-performance systems language.
• Hands-on experience with very large datasets.

Responsibilities

• Architect and develop high-performance backend services and APIs.
• Design and build real-time, latency-sensitive systems for trading.
• Build scalable data pipelines for financial datasets.
• Implement observability layers for system reliability.

Skills

Python proficiency

C++

Data processing

Rust

Go

Java

Tools

NumPy

Pandas

InfluxDB

Prometheus

Grafana

Docker

Kubernetes

Job description

A financial technology firm in Connecticut is looking for a talented Core Developer to enhance the platform for systematic research and quantitative trading. This role involves developing high-performance backend services, real-time systems for trading, and managing scalable data pipelines. The ideal candidate will have over 3 years of software development experience with expert-level Python and proficiency in a systems programming language such as C++, Rust, Go, or Java. Familiarity with cloud platforms and CI/CD is a plus.