Software Engineer

New York, NY · On-site (5 days/week) · Full-time Compensation: $125K–$175K + benefits About the Company Our client is a bootstrapped, highly profitable technology company building real-time, quantitative pricing and trading systems for a high-volume consumer marketplace. The platform continuously prices, bids on, and manages live inventory, so every system is financially live and mission-critical. It is an early, fast-moving team where an engineer's work has direct and immediate impact. Founded 2024 · Small team (fewer than 10) · Industry: AI, Ecommerce, Finance, Marketplace The Role You would be a versatile back-end-focused engineer maintaining and extending the real-time systems at the core of the platform: the pricing and bidding engines, data infrastructure, and the tooling that keeps production running. This is a build-and-maintain role on live systems, not greenfield research. What you'll be doing Maintaining and extending core platform systems: pricing, bidding, and the data infrastructure behind real-time trading Building and managing data integration and mapping workflows that synchronize data across multiple sources Developing smaller systems and tooling to resolve production issues Building ML feature pipelines and integrating existing ML models into production Contributing across operations automation, platform features, and data infrastructure on two-week sprints Tech stack: Python, with a major cloud platform (AWS or GCP) Requirements Bachelor's degree in Computer Science or a related STEM field 0 to 2 years of software engineering experience with a back-end focus Hands-on experience building or maintaining data pipelines or data infrastructure Experience with platform systems or operations automation Able to integrate existing ML models into production systems Able to work on-site five days a week in New York Nice to Haves Strong internship experience (recent graduates are welcome to apply) Familiarity with a major cloud platform such as AWS or GCP Why Join Join a very small, profitable team where your work directly powers the core product Build and operate real-time systems that are financially live and mission-critical Work with modern, AI-native developer workflows and production ML from day one Competitive base salary plus 401(k) match and a monthly healthcare contribution Details Location: New York, NY Work policy: On-site, 5 days/week Compensation: $125K–$175K + benefits Visa sponsorship: Not available for this role; candidates must be authorized to work in the US without sponsorship Employment type: Full-time