Software Engineer (Full Stack)

Selby Jennings; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Selby Jennings is seeking a Full Stack Software Engineer for systematic trading technology. You will join a small, collaborative team building the firm's core trading platform, spanning data ingestion, model execution, order generation, execution, and P&L reporting.

You'll own features end-to-end and contribute across the stack, with direct impact on trading operations. The role offers ownership in a fast-paced, research-driven environment that emphasizes AI-powered engineering workflows,

Qualifications

• 2–7 years of software engineering experience with Python and TypeScript.
• STEM Bachelors Degree with a 3.5 GPA or higher.
• Strong backend development experience with modern application architectures.
• Experience building APIs and distributed systems.
• Familiarity with containerization technologies and cloud-native development.
• Hands-on experience with Git, GitHub/GitLab, and CI/CD pipelines.
• Full stack capabilities with the ability to build functional and intuitive frontend experiences.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Build functional, clean user interfaces for traders, quants, and business users.
• Work with cloud infrastructure, containers, and CI/CD pipelines.
• Partner closely with developers, quants, and business stakeholders to deliver new functionality.
• Contribute across multiple projects rather than being siloed to a single application.
• Take ownership of systems and become a key contributor within a lean engineering organization.

Skills

Python

TypeScript

Education

STEM Bachelors Degree

Tools

Git

GitHub/GitLab

CI/CD

Docker

Cloud

Job description

Full Stack Software Engineer - Systematic Trading Technology

A growing quantitative investment firm is seeking a Full Stack Software Engineer to help build and enhance the firm's core trading platform. You'll join a small, highly collaborative engineering team responsible for the systems that drive the entire trading lifecycle, from market data ingestion and model execution through order generation, execution, fills, and P&L reporting.

This is an opportunity to work in a true ownership environment where engineers contribute across the stack and have direct impact on the firm's trading operations.

Team & Culture

• Join a team of 5 engineers working in a highly collaborative environment.
• Approximately 55 employees firmwide.
• Engineers are encouraged to own products and initiatives end-to-end.
• High visibility, direct impact, and minimal bureaucracy.
• Strong interest and investment in AI-powered engineering workflows, automation, and developer productivity.

What You'll Be Building

• Trading applications that collect, validate, and process market and research data.
• Systems that support quantitative models and generate trading signals.
• Order management and execution workflows that send orders to market.
• Trade fill processing, reconciliation, and P&L reporting platforms.
• Internal tools that improve the efficiency and scalability of the trading process.
• User-facing applications that present complex trading and operational information in a clear and intuitive way.

What You'll Do

• Design, develop, and maintain scalable backend services and APIs.
• Build functional, clean user interfaces for traders, quants, and business users.
• Work with cloud infrastructure, containers, and CI/CD pipelines.
• Partner closely with developers, quants, and business stakeholders to deliver new functionality.
• Contribute across multiple projects rather than being siloed to a single application.
• Take ownership of systems and become a key contributor within a lean engineering organization.

What We're Looking For

• 2-7 years of software engineering experience with Python and TypeScript
• STEM Bachleor's Degree with a 3.5 GPA and up
• Strong backend development experience with modern application architectures.
• Experience building APIs and distributed systems.
• Familiarity with containerization technologies and cloud-native development.
• Hands-on experience with Git, GitHub/GitLab, and CI/CD pipelines.
• Full stack capabilities with the ability to build functional and intuitive frontend experiences.