Senior Java/Spring Backend Engineer (Hybrid)

Kingland Systems LLC; Ames (IA); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Kingland Systems LLC in Ames, IA is seeking a Senior Software Engineer to own backend services in Java/Spring. You will work on PostgreSQL/OpenSearch backed data processing, contribute to design decisions, and occasionally frontend work using Angular/TypeScript.

Ideal candidates have 5+ years in software development, strong CI/CD test experience, and a focus on secure, reliable data handling. This is a hybrid role with offices in Ames and other US locations.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or Computer Engineering.
• 5+ years of professional software development experience.
• Backend development in Java with Spring/Spring Boot is required, or equivalent in Go or C# with willingness to switch to Java/Spring.
• Extensive automated testing including edges/CI reliability.
• Knowledge of secure coding practices and data handling.
• Ability to reason about data changes, failure paths, and concurrent requests and design tests.

Responsibilities

• Build and maintain secure, testable Java/Spring services within the existing architecture.
• Preserve API and processing correctness across edge cases and concurrency.
• Write automated unit and integration tests.
• Improve logging, metrics, alarms, and runbooks for faster diagnosis.
• Analyze performance issues and optimize queries, caching, or batching.
• Collaborate with product owners and clients in two‑week sprints from requirements to deployment.

Skills

Java

Spring Framework

CI/CD

Testing

Communication

Education

Bachelor's degree in CS/Software Engineering

Tools

PostgreSQL

OpenSearch

AWS

Redis

GitLab CI/CD

Gradle

MyBatis

Flyway

Job description

Kingland Systems LLC in Ames, IA is seeking a Senior Software Engineer to own backend services in Java/Spring. You will work on PostgreSQL/OpenSearch backed data processing, contribute to design decisions, and occasionally frontend work using Angular/TypeScript.

Ideal candidates have 5+ years in software development, strong CI/CD test experience, and a focus on secure, reliable data handling. This is a hybrid role with offices in Ames and other US locations.