Java FullStack Developer

Stefanini Group•Palo Alto, CA

2d•Onsite

About The Position

Stefanini Group is hiring! Stefanini is looking for a Java FullStack Developer (Palo Alto, CA). We are hiring a Software Engineer to design and maintain the high-scale platform services that power identity management, vehicle onboarding, and device lifecycle operations. This is a hands-on role focused on building secure, resilient, and "always-on" distributed systems.

Requirements

5+ years of progressive experience in cloud-based development using Java and Spring Boot.
3+ years of hands-on experience with Google Cloud Platform (GCP) or other cloud providers (AWS, Azure).
Experience with Java Reactive Programming
Hands-on experience with Apache Kafka (streaming/messaging) and PostgreSQL.
Production experience with Kubernetes and microservices architecture.
Experience designing, deploying, and supporting cloud-based solutions at scale.
Knowledge of API methods for system integrations and data exchange (JSON, REST, Swagger, Postman).
Understanding security considerations in cloud-based software (OAuth2, OIDC, SAML).
Experience with AI-driven observability or anomaly detection tools.
Proven experience supporting "always-on," high-availability production environments.
Bachelor's degree in computer science, Electrical Engineering, or a closely related field.

Nice To Haves

Java Reactive
GCP
AWS
Kafka
PostgreSQL
Kubernetes
Argo
GitHub
SonarQube
Fossa
REST
gRPC
Swagger
Postman
Datadog
Prometheus
Grafana
Agile
Kanban
TDD
CI/CD

Responsibilities

Take end-to-end responsibility for software services that drive customer experiences and the platforms supporting them.
Design and deploy reactive microservices using Java, Spring Boot, Hibernate JPA, and Kubernetes.
Build and maintain high-performance REST and gRPC APIs, documented via Swagger and tested via Postman.
Refactor existing APIs and microservices for simplification, efficiency, and scalability.
Manage CI/CD pipelines using GitHub, Argo, SonarQube, and Fossa.
Practice Test Driven Development (TDD) and ensure all code is Clean Code compliant.
Implement Canary deployment strategies to ensure seamless updates in production critical environments.
Execute API Load and Performance (L&P) testing to validate system resiliency.
Monitor platform health using Datadog, Prometheus, and Grafana.
Participate in AI-driven anomaly detection and automated incident diagnostics.
Support critical applications in an "always-on" production environment.
Participate in whiteboard sessions and architectural discussions to gather requirements and design solutions.