Principal Java Full Stack Developer

Quick Facts

• Role: Principal Java Full Stack Developer

• Contract length: 12+ months

• Work authorization: W2 candidates only

• Locations: Minneapolis (MN), Detroit (MI), Madison (WI), Columbus (OH), Chicago (IL)

Description

We are seeking a Principal Java Full Stack Developer to architect and deliver enterprise Java applications, modernize legacy systems, and build cloud-native distributed platforms with AI-enabled capabilities. You will design microservices, build React or Angular frontends, develop GraphQL/REST APIs, implement Kafka-based asynchronous messaging, integrate Spring AI services, and ensure observability with OpenTelemetry. The role also includes leading architecture reviews and mentoring engineering teams.

Responsibilities

• Architect enterprise Java applications

• Design distributed microservices

• Build scalable frontend applications using React or Angular

• Develop GraphQL and REST APIs

• Implement asynchronous messaging using Kafka

• Integrate enterprise AI services using Spring AI

• Build cloud-native applications on AWS or Azure

• Implement observability using OpenTelemetry

• Lead architecture reviews and mentor engineering teams

• Define development standards and best practices

Requirements

• W2 candidates only (no C2C)

• Java 21

• Spring Boot 3.x

• Spring AI

• React / Angular

• GraphQL

• REST APIs

• Kafka

• Microservices

• AWS / Azure

• Kubernetes

• Docker

• Open Telemetry

• Git

• Jenkins

• SQL