Senior Backend Engineer - NYC

Rad Hires

New York (NY)

On-site

USD 160,000 - 220,000

Full time

14 days+

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Benefits offered by this job

Competitive equity packages

Health, dental, and vision insurance

Paid time off and company holidays

Opportunity to shape product direction and engineering culture

Job summary

A fast-growing fintech startup in New York City is seeking a Senior Backend Engineer to design and scale high-performance backend systems on AWS. The ideal candidate will have 2–5 years of experience in backend or full-stack engineering, with strong skills in Node.js and AWS. This role is on-site and offers a competitive salary range of $160K – $220K, along with equity options and comprehensive benefits. Join a small, ambitious team and make an immediate impact in a rapidly evolving industry.

Qualifications

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.

Responsibilities

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.

Skills

Backend or full-stack engineering experience

Secure and scalable systems in AWS

Data-intensive backend applications

Node.js

Infrastructure-as-Code

AI and machine learning algorithms

Education

Bachelor's degree in Computer Science or Computer Engineering

Tools

Node.js

React

Postgres

MySQL

DynamoDB

OpenSearch

Claude Code

Infrastructure as Code

Job description

Senior Backend Engineer

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)