About the Role
Join a lean, four-person engineering team at a fast-growing Series A fintech startup building an AI-powered investing platform targeted at the next generation of investors. With millions of downloads and a rapidly scaling user base, this is a high-ownership, hands-on role at a critical inflection point in the company's growth.
You'll own the technical foundation across iOS, Node.js backend services, and AWS infrastructure — reporting directly to the Head of Engineering from our New York City office. Visa sponsorship is available.
What You'll Do
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Lead deep investigations into complex production issues spanning iOS, backend services, and cloud infrastructure.
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Perform root-cause analysis across API layers, async workflows, data models, third-party integrations, and infrastructure.
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Improve backend service reliability, correctness, and performance in Node.js and TypeScript.
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Optimize MongoDB queries, indexes, and data access patterns for performance at scale.
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Strengthen AWS infrastructure stability across Elastic Beanstalk, EC2, deployments, and monitoring.
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Improve observability using structured logging, metrics, and CloudWatch.
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Reduce recurring bug classes by improving validation layers, error handling, and system boundaries.
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Strengthen CI/CD and release processes to reduce production risk.
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Build internal tools and scripts that improve debugging efficiency and engineering velocity.
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Partner closely with product and engineering to drive platform-level improvements.
What We're Looking For
Required:
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3–7+ years of engineering experience, including time at a startup and exposure to systems at scale.
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Strong production debugging skills — able to trace issues across iOS, backend, database, and AWS layers.
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Deep experience building and improving backend services in Node.js and TypeScript.
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Solid understanding of MongoDB performance, indexing, and data modeling.
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Hands-on experience operating and optimizing systems in AWS environments.
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High ownership mentality with clear, structured communication in fast-moving environments.
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Based in or willing to relocate to New York City.
Nice to Have:
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Comfort navigating and contributing to Swift and SwiftUI codebases.
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Background in fintech or payments.
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Strong CS fundamentals.
Compensation & Benefits
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Salary: $170,000 – $220,000 per year
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Equity participation in a well-funded, high-growth fintech startup
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Visa sponsorship available
Location
This is an on-site role based in New York City, NY. Candidates must be located in NYC or willing to relocate.
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