Senior Full-Stack Engineer

Sendblue; New York (NY); Hybrid; USD 160,000 - 210,000; Full time

Job summary

Sendblue in New York, NY is seeking a Senior Full-Stack Engineer to lead feature development across Node.js, React, and PostgreSQL. You’ll own projects end-to-end—from schema design to backend APIs—ensuring performance, scalability, and reliability of our platform.

The role requires 4+ years in production full-stack work, strong system design, and a track record of shipping quickly. Remote-friendly with NY presence, you’ll collaborate with a lean team focused on growth.

Qualifications

• 4+ years of experience building and deploying full-stack applications in production.
• Track record of shipping fast
• Strong system design skills; experience architecting systems independently.
• Clear, concise communication and a bias for shipping.

Responsibilities

• Ship high-quality code across Node.js/Express backends and React frontends.
• Build dynamic, high-performance React components using hooks and modern tooling.
• Translate product ideas and customer feedback into scalable features.

Skills

Node.js

Express.js

React

Next.js

AWS

Tools

PostgreSQL

TypeScript

GraphQL

Job description

Senior Full-Stack Engineer at Sendblue (S23)

$160K - $210K

iMessage for Sales

New York, NY, US Full-time US citizen/visa only 3+ years Amazon Web Services (AWS) Express Node.js React Next.js

Sendblue lets businesses send iMessage from inside their CRM.

When it comes to sales, authenticity is everything, and green bubbles aren't cutting it anymore. In order to get a lead with an iPhone to actually respond to a text in 2025, it HAS to be blue. That's where Sendblue comes in - we provide a virtual iMessage line directly in a business' CRM which they can use to message their leads and clients.

Our goal is to provide an over the top experience for our customers in every way, from giving them technology they can't access anywhere else to ensuring their workflows and sales processes are actually effective. We deeply value the relationships we have with our customers, and keeping them happy and successful is our top priority. We are a lean team based in New York City, and we are growing extremely quickly.

About the role

We're looking for a seasoned full-stack engineer to lead feature development across our Node.js, React, and PostgreSQL stack. You'll own projects end-to-end—from schema design to backend APIs—ensuring our platform remains fast, scalable, and reliable.

What You’ll Do

• Ship high-quality code across Node.js/Express backends and React frontends.
• Build dynamic, high-performance React components using hooks and modern tooling.
• Translate product ideas and customer feedback into scalable features.

What We’re Looking For

• 4+ years of experience building and deploying full-stack applications in production.
• Track record of shipping fast
• Strong system design skills; experience architecting systems independently.
• Clear, concise communication and a bias for shipping.

Nice to Have

• Experience with Next.js, TypeScript, GraphQL.
• Startup experience, especially in high-growth environments.

Interview Process

New York, NY, US / Remote (US) Full-time $70K - $120K Any (new grads ok)

New York, NY, US Full-time $210K - $225K 6+ years

New York, NY, US / Remote (US) Contract $210K - $260K 1+ years