Senior Backend Engineer — Scale Core Systems & Postgres

Submittd Talent; New York (NY); On-site; USD 225,000 - 290,000; Full time

Job summary

Submittd Talent in New York City is seeking a hands-on Senior Backend Engineer to join a fast-growing fintech. You’ll own the hardest backend systems, ensure scalable service architectures, and mentor engineers as you build production-grade platforms.

The role centers on PostgreSQL at scale, AWS deployments, and data integrations with institutional clients, guiding the architectural direction and laying the groundwork for the platform’s AI agents.

Qualifications

• 6+ years of hands-on backend engineering.
• Experience building and scaling backend systems end-to-end.
• Strong PostgreSQL experience at scale.

Responsibilities

• Own core backend system scaling, architecture and performance.
• Design, deploy and operate PostgreSQL at scale as the heart of the platform.
• Architect, deploy and run production systems on AWS.
• Build high-volume data integrations with institutional clients.
• Lay the technical foundation for the platform’s AI agents.
• Make architectural decisions shaping the platform’s future.

Skills

Backend engineering

System design

Mentoring

Hands-on role

Tools

Java

Spring Boot

PostgreSQL

AWS

Pulumi

Terraform

Job description

Submittd Talent in New York City is seeking a hands-on Senior Backend Engineer to join a fast-growing fintech. You’ll own the hardest backend systems, ensure scalable service architectures, and mentor engineers as you build production-grade platforms.

The role centers on PostgreSQL at scale, AWS deployments, and data integrations with institutional clients, guiding the architectural direction and laying the groundwork for the platform’s AI agents.