Java Developer

Apptad Inc; Washington (Washington County); On-site; USD 110,000 - 160,000; Full time

Job summary

Apptad Inc. is seeking a Java Developer to join our Seattle, WA / Overland Park, KS teams. You will design, develop, and maintain Java-based applications using Spring Boot, delivering robust RESTful APIs and microservices.

The role emphasizes collaboration in an Agile environment, writing tests, optimizing performance, and leveraging AI coding assistants to accelerate development and code quality. This position is based at two client-facing sites in Seattle and Overland Park.

Qualifications

• 3-6 years of professional Java development experience.
• Strong proficiency in Java 11+ and Spring Boot/Spring Framework.
• Experience designing RESTful APIs and microservices.
• Solid SQL/database design skills.
• Experience using AI coding assistants in real workflows.

Responsibilities

• Design, develop, test, and maintain Java-based applications with Spring Boot.
• Build scalable RESTful APIs and microservices.
• Work with SQL databases to design queries and data models.
• Leverage AI coding assistants to accelerate development and debugging.
• Write unit and integration tests; participate in code reviews.
• Support CI/CD, container deployments, and monitoring.

Skills

Java 11+

RESTful APIs

SQL

AI coding assistants

JUnit/Mockito

Git & CI/CD

Docker

Tools

Spring Boot

Spring Framework

AWS

Kubernetes

Kafka

Job description

Java Developer

Location: Seattle, WA / Overland Park, KS
Experience: 3 6 Years

Required Qualifications

• 3 6 years of professional Java development experience.
• Strong proficiency in Java 11+ and Spring Boot/Spring Framework.
• Hands-on experience designing and developing RESTful APIs and microservices.
• Solid understanding of SQL and database design.
• Practical experience using AI coding assistants such as GitHub Copilot, Claude Code, Cursor, or similar tools in real-world development workflows.
• Familiarity with unit and integration testing frameworks such as JUnit and Mockito.
• Working knowledge of Git, CI/CD pipelines, and Docker/containerization.

Preferred Qualifications

• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Familiarity with Kubernetes and container orchestration.
• Experience with Apache Kafka or similar event-streaming platforms.
• Prior experience working in Agile/Scrum environments.

Nice to Have

• Contributions to internal AI tooling adoption or engineering productivity initiatives.
• Experience with observability and monitoring tools such as Datadog, Splunk, or Grafana.

Key Responsibilities

• Design, develop, test, and maintain Java-based applications using Spring Boot.
• Build and maintain scalable RESTful APIs and microservices.
• Work with SQL databases to design efficient queries and data models.
• Leverage AI coding assistants to accelerate development, improve code quality, and support debugging and testing.
• Write unit and integration tests to ensure application reliability.
• Participate in code reviews, troubleshooting, and performance optimization.
• Collaborate with cross-functional teams in an Agile development environment.
• Support CI/CD pipelines, containerized deployments, and application monitoring.