Senior Java Engineer - Mission-Critical, Onsite in Aurora

Four Sea Group; Aurora (CO); On-site; USD 152,000 - 262,000; Full time

Benefits offered by this job

ESOP ownership

Retirement plan

Paid time off

Health/dental/vision

Job summary

Four Sea Group, Inc. in Colorado is seeking a Senior Software Engineer with deep Java experience to design, develop, modernize, and maintain complex software for secure missions.

The role focuses on enterprise applications, APIs, microservices, and database-integrated solutions, requiring collaboration across software, QA, integration, and DevOps teams. The ideal candidate has strong OO design, experience with Spring Boot and Hibernate, and a background in building scalable software in

Qualifications

• Bachelor’s degree or equivalent practical experience.
• Eight or more years of relevant software engineering experience with Java.
• Active TS/SCI clearance to start with ability to obtain CI Poly.
• Enterprise Java development experience (Java SE/EE).
• Experience with RESTful APIs, microservices, and databases (SQL/NoSQL).
• Experience with Spring Boot, Hibernate or similar frameworks.

Responsibilities

• Own major application components, services, or technical areas.
• Translate complex requirements into effective technical solutions.
• Collaborate with software, QA, integration, and DevOps teams.
• Guide technical decisions and mentor teammates.

Skills

Java

Spring Boot

Hibernate

RESTful APIs

Microservices

Unit testing (JUnit/TestNG)

Git

CI/CD

Object-oriented design

Communication

Education

Bachelor’s degree in Computer Science / Software Engineering / Computer Engineering or related field

Tools

Docker

Git

Job description

Four Sea Group, Inc. in Colorado is seeking a Senior Software Engineer with deep Java experience to design, develop, modernize, and maintain complex software for secure missions.

The role focuses on enterprise applications, APIs, microservices, and database-integrated solutions, requiring collaboration across software, QA, integration, and DevOps teams. The ideal candidate has strong OO design, experience with Spring Boot and Hibernate, and a background in building scalable software in