Full Stack Engineer

Clera; United States; Remote; USD 170,000 - 220,000; Full time

Benefits offered by this job

Equity participation

Visa sponsorship

On-site NYC office

Job summary

Clera, a fast-growing fintech startup, is hiring a senior backend engineer to own the technical foundation across iOS, Node.js backend services, and AWS infrastructure from our New York City office.

You will lead debugging, optimize MongoDB, and strengthen CI/CD, while collaborating closely with product and engineering teams to drive platform improvements.

Qualifications

• 3–7+ years of engineering experience, startup exposure, and systems at scale.
• Strong debugging across iOS, backend, database, and AWS layers.
• Deep backend experience with Node.js and TypeScript; MongoDB proficiency.

Responsibilities

• Lead investigations into complex production issues across iOS, backend, and cloud.
• Perform root-cause analysis across API layers and data models.
• Improve backend reliability, correctness, and performance in Node.js/TypeScript.
• Optimize MongoDB queries, indexes, and data access patterns at scale.
• Strengthen AWS infrastructure stability across Beanstalk, EC2, and deployments.
• Improve observability with logging, metrics, and CloudWatch.
• Reduce recurring bugs through better validation and error handling.
• Enhance CI/CD and release processes to lower production risk.
• Build internal tools to boost debugging efficiency and velocity.

Skills

Strong production debugging

Ownership mindset

Clear communication

Startup experience

Tools

Node.js

TypeScript

MongoDB

AWS

Job description

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

• Lead deep investigations into complex production issues spanning iOS, backend services, and cloud infrastructure.

• Perform root-cause analysis across API layers, async workflows, data models, third-party integrations, and infrastructure.

• Improve backend service reliability, correctness, and performance in Node.js and TypeScript.

• Optimize MongoDB queries, indexes, and data access patterns for performance at scale.

• Strengthen AWS infrastructure stability across Elastic Beanstalk, EC2, deployments, and monitoring.

• Improve observability using structured logging, metrics, and CloudWatch.

• Reduce recurring bug classes by improving validation layers, error handling, and system boundaries.

• Strengthen CI/CD and release processes to reduce production risk.

• Build internal tools and scripts that improve debugging efficiency and engineering velocity.

• Partner closely with product and engineering to drive platform-level improvements.

What We’re Looking For

Required:

• 3–7+ years of engineering experience, including time at a startup and exposure to systems at scale.

• Strong production debugging skills — able to trace issues across iOS, backend, database, and AWS layers.

• Deep experience building and improving backend services in Node.js and TypeScript.

• Solid understanding of MongoDB performance, indexing, and data modeling.

• Hands-on experience operating and optimizing systems in AWS environments.

• High ownership mentality with clear, structured communication in fast-moving environments.

• Based in or willing to relocate to New York City.

Nice to Have:

• Comfort navigating and contributing to Swift and SwiftUI codebases.

• Background in fintech or payments.

• Strong CS fundamentals.

Compensation & Benefits

• Salary: $170,000 – $220,000 per year

• Equity participation in a well-funded, high-growth fintech startup

• 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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