Senior Backend Engineer - NYC

Note: This role is 100% on-site in NYC
Number of Vacancies: 2

About the Company

Our client is an early-stage, high-growth fintech startup revolutionizing compliance in the financial services industry. Their AI-first platform consolidates compliance software functionality onto a single modern platform, helping fintechs, private funds, and wealth managers cut compliance tasks from days to hours.

They’ve raised $4.8M from top-tier investors including YC and General Catalyst, have hundreds of financial firms already onboard, and are one of the fastest-growing startups in their batch. This is an opportunity to join a small, ambitious team (currently ~10 employees) and have a major impact on a product that’s reshaping a $100B+ industry.

What You’ll Do

As a Senior Backend Engineer, you will:

• Design, build, and scale secure, high-performance backend systems on AWS

• Develop and maintain data infrastructure that supports large-scale data ingestion and processing

• Collaborate closely with product, design, and data science teams to bring new features to life

• Implement and optimize AI-based coding tools to enhance system performance

• Take full ownership over the systems and features you build

• Continuously improve system reliability, scalability, and security

• Contribute to architectural decisions and technical strategy in a fast-paced startup environment

Role Requirements

Must-Haves:

• 2–5 years of professional backend or full-stack engineering experience

• Strong experience architecting secure and scalable systems in AWS

• Deep experience with data-intensive or data-heavy backend applications

• Strong skills in Node.js, Infrastructure-as-Code, and building scalable data infrastructure

• Knowledge of AI and machine learning algorithms and experience with AI coding tools (e.g. Claude Code)

• Bachelor's degree in Computer Science or Computer Engineering (preferably from a top 50 school)

• US Citizen or already authorized to work in the US

• Willingness to work on-site in NYC (5 days/week)

Nice-to-Haves:

• Experience with search systems (e.g. OpenSearch)

• Experience as an early-stage startup employee or founder

• Previous work in Series B–D stage AI or data-heavy startups

Tech Stack

• Node.js, React, Postgres, MySQL, DynamoDB, AWS, OpenSearch, Claude Code, Infrastructure as Code

Compensation & Benefits

• Salary: $160K – $220K

• Equity: Competitive equity packages

• Health, dental, and vision insurance

• Paid time off and company holidays

• Opportunity to shape product direction and engineering culture

Interview Process

1. Initial Screen – 15 mins

2. Take Home Assignment – 2 days

3. Take Home Review & Technical Phone Screen – 1 hour

4. Onsite Interview – 4 hours

5. Offer & Hiring