Impactful Contract Principal Java Spring Engineer

Stable Kernel Inc.; Atlanta (GA); Hybrid; USD 180,000 - 230,000; Full time

Benefits offered by this job

Hybrid work model

Minimal travel

Great Place to Work Certified

Job summary

Stable Kernel is seeking a Contract Principal Software Engineer to drive the design and delivery of mission-critical software for world-class clients. You will lead technical decisions, shape roadmaps, and collaborate with engineers and product teams to ensure scalable, reliable systems built with Java Spring.

The role emphasizes modern Java best practices, RESTful services, cloud deployment (AWS/GCP/Azure), and secure, auditable state management.

Qualifications

• 10+ years of development experience with backend focus.
• Degree in Computer Science or related field.
• Strong knowledge of Java, Spring, and RESTful services.

Responsibilities

• Design and implement loyalty engine services in Java Spring.
• Build RESTful APIs with contract-first design and cloud deployment.
• Lead architecture decisions and drive best practices.
• Collaborate with product teams and engineers to deliver value.

Skills

Java

Spring Framework

REST APIs

Cloud platforms (AWS/GCP/Azure)

OAuth 2.0 / OIDC / SAML

CI/CD (Jenkins, GitHub Actions)

Kubernetes

SQL / NoSQL databases

Domain-driven design

Architectural leadership

Education

Degree in Computer Science or related field

Tools

Docker

Jenkins

GitHub Actions

Job description

Stable Kernel is seeking a Contract Principal Software Engineer to drive the design and delivery of mission-critical software for world-class clients. You will lead technical decisions, shape roadmaps, and collaborate with engineers and product teams to ensure scalable, reliable systems built with Java Spring.

The role emphasizes modern Java best practices, RESTful services, cloud deployment (AWS/GCP/Azure), and secure, auditable state management.