Full-Stack Engineer — Real-Time FinTech (Equity, Unlimited PTO)

Onyx Odds; New York (NY); On-site; USD 150,000 - 200,000; Full time

Benefits offered by this job

Equity

Lunch stipend

Unlimited PTO

Medical, dental, vision insurance

Office in NoHo

Job summary

Onyx Odds, a NoHo-based prediction market company, seeks a Full-Stack Software Engineer to build across the platform from UI to backend services. You will work with TypeScript, React, Node.js, PostgreSQL, and AWS to deliver live markets, real-time data, and scalable infrastructure.

You will own features end to end, collaborate with product and design, and ship directly to users. This role is office-based in NoHo with in-person days Tuesday-Thursday, and requires work authorization in the United

Qualifications

• 3+ years of professional software engineering experience.
• Proficient in TypeScript, React, and Node.js.
• Experience building production applications end to end.
• Knowledge of relational databases, transactions, and data consistency.
• Experience with PostgreSQL and AWS in production environments.
• Comfortable building highly concurrent or real-time systems.
• Able to move between frontend, backend, and infrastructure as needed.
• Led meaningful technical projects from planning through launch.

Responsibilities

• Build and ship full-stack product features using TypeScript, React, and Node.js.
• Develop customer-facing trading experiences across web and mobile.
• Build backend services supporting markets, orders, execution, positions, balances, and settlement.
• Design reliable APIs and real-time data systems for live markets and pricing.
• Create scalable PostgreSQL schemas, queries, and transaction workflows.
• Build and maintain cloud infrastructure and production services in AWS.
• Integrate with exchanges, market makers, liquidity providers, payments systems, and external partners.
• Improve system performance, reliability, monitoring, and fault tolerance.
• Work closely with product, design, trading, and operations from idea through launch.

Skills

TypeScript

React

Node.js

PostgreSQL

AWS

Job description

Onyx Odds, a NoHo-based prediction market company, seeks a Full-Stack Software Engineer to build across the platform from UI to backend services. You will work with TypeScript, React, Node.js, PostgreSQL, and AWS to deliver live markets, real-time data, and scalable infrastructure.

You will own features end to end, collaborate with product and design, and ship directly to users. This role is office-based in NoHo with in-person days Tuesday-Thursday, and requires work authorization in the United