Senior Staff Engineer – GraphQL, Java, Kotlin & Node.js

OneMain Financial; Irving (TX); On-site; USD 150,000 - 210,000; Full time

Job summary

OneMain Financial is seeking a senior software architect to design scalable, domain-aligned solutions for customer engagement across voice, messaging, and digital channels. You will guide architecture toward the enterprise target state while hands-on engineering backend services and APIs.

The role emphasizes API-first ecosystems, event-driven architectures, and collaboration across engineering, product, and enterprise teams to drive simplification and reduce technical debt.

Qualifications

• Bachelor's degree in information systems, computer science or a related field.
• Strong expertise in backend and distributed systems design.
• Experience with Kubernetes, Docker, GraphQL/REST, and microservices.

Responsibilities

• Define and evolve scalable architectures for customer engagement platforms (voice, messaging, digital channels).
• Lead API-first ecosystems and event-driven architectures; ensure real-time capabilities.
• Collaborate with engineering, product, and enterprise teams to align solutions with target-state architecture.

Skills

Backend architecture

Distributed systems

API design

Observability

Real-time systems

Education

Bachelor's Degree in Information Systems / Computer Science

Tools

Kubernetes

Docker

GraphQL

REST

Microservices

Cloud-native platforms

Job description

OneMain Financial is seeking a senior software architect to design scalable, domain-aligned solutions for customer engagement across voice, messaging, and digital channels. You will guide architecture toward the enterprise target state while hands-on engineering backend services and APIs.

The role emphasizes API-first ecosystems, event-driven architectures, and collaboration across engineering, product, and enterprise teams to drive simplification and reduce technical debt.