Staff Backend Engineer (Scala) — Scalable API Architect

Gen; New York (NY); On-site; USD 200,000 - 230,000; Full time

Job summary

Gen is seeking a Staff Engineer for the Backend Core Enterprise team to design and build large-scale, API-driven backend systems that empower partner networks and internal teams. You will shape product architecture, lead technical reviews, and mentor engineers to deliver high-impact features at scale.

You will collaborate with stakeholders to align architectural constraints with long-term goals, driving technical excellence across the organization while delivering reliable, scalable software

Qualifications

• 8+ years in software engineering with backend focus.
• Proven success in senior engineering roles.
• Experience with Scala or JVM languages and API design.
• Strong collaboration across engineering, product, and business teams.

Responsibilities

• Design and implement large-scale backend systems and APIs.
• Review code for readability and maintainability.
• Write API and technical documentation for services.
• Optimize database schemas for performance.
• Contribute RFC proposals and provide feedback.
• Mentor engineering talent and guide growth.
• Solve hard technical problems across teams.

Skills

8+ years software engineering

Senior engineering roles

Scala / JVM

RESTful API design

PostgreSQL

AWS

Datadog monitoring

Team collaboration

Tools

Kafka/MSK

Terraform

Kubernetes

Docker

Job description

Gen is seeking a Staff Engineer for the Backend Core Enterprise team to design and build large-scale, API-driven backend systems that empower partner networks and internal teams. You will shape product architecture, lead technical reviews, and mentor engineers to deliver high-impact features at scale.

You will collaborate with stakeholders to align architectural constraints with long-term goals, driving technical excellence across the organization while delivering reliable, scalable software