Software Developer 3 - Senior Java/Spring Developer

Edgewater Technical Associates, LLC; Los Alamos (NM); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Edgewater Technical Associates, LLC in Los Alamos, NM is seeking a Senior Java/Spring Developer to lead design, development, testing, and maintenance of secure Java/Spring applications in a fast-paced Agile environment.

The role requires strong Java and Spring expertise, experience with TDD, and the ability to influence architecture while mentoring other developers. A hybrid work setup is available in a critical national lab context.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related technical discipline with 8+ years of experience or equivalent.
• Extensive professional software development experience in Java.
• Advanced experience with the Spring Framework / Spring Boot.
• Experience designing, developing, and supporting complex enterprise-level applications.
• Strong experience with TDD, unit testing, and automated testing methodologies.
• Experience providing technical leadership within Agile development teams.
• Ability to independently solve complex technical problems while maintaining security standards.

Responsibilities

• Lead design, development, testing, deployment, and maintenance of secure Java/Spring applications.
• Define technical solutions and influence architecture across multiple applications.
• Guide Angular development, backend integration, and MySQL design and optimization.
• Promote TDD, automated testing, code quality, and secure development practices.
• Lead Agile activities including code reviews and sprint planning.
• Mentor developers and provide technical direction across multiple applications.
• Manage priorities, schedules, and initiatives with limited direction.

Skills

Java

Spring

TDD

Agile leadership

Security focus

Education

Bachelor’s degree in Computer Science or related field

Tools

Spring Framework / Spring Boot

MySQL

REST APIs

CI/CD

DevOps practices

Job description

Edgewater Technical Associates is seeking qualified candidates for a Software Developer 3 - Senior Java/Spring Developer opportunity in Los Alamos, NM to support the Los Alamos National Laboratory.

Location: Hybrid
Group/Organization: LDRD
Schedule: 9/80 or 5-8s

The Software Developer 3 will lead the design, development, testing, and maintenance of secure, high-quality applications in a fast-paced Agile environment. This senior-level professional will independently solve complex technical problems, influence application architecture, and provide technical guidance. Strong Java/Spring expertise is required, with Angular and MySQL experience desired.

Key Responsibilities Include

• Lead the design, development, testing, deployment, and maintenance of secure Java/Spring applications.
• Define technical solutions and influence architecture across multiple applications.
• Guide Angular development, backend integration, and MySQL database design and optimization.
• Promote TDD, automated testing, code quality, and secure development practices.
• Lead Agile technical activities, including code reviews, sprint planning, and continuous improvement.
• Independently resolve highly complex application, integration, database, and performance issues.
• Evaluate requirements, select technologies and methods, and define implementation approaches.
• Collaborate with stakeholders and technical teams to deliver scalable, secure solutions.
• Mentor developers and provide technical direction and coordination as needed.
• Manage priorities, schedules, and technical initiatives across multiple applications with limited direction.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related technical discipline and at least 8 years of relevant professional experience, or an equivalent combination of education and experience.
• Extensive professional software development experience using Java.
• Advanced experience with the Spring Framework / Spring Boot.
• Demonstrated experience designing, developing, and supporting complex enterprise-level applications.
• Strong experience with test-driven development (TDD), unit testing, and automated testing methodologies.
• Experience providing technical leadership within Agile development teams.
• Ability to independently solve complex technical problems while adhering to stringent security requirements and development standards.

Desired Qualifications

• Experience developing front-end applications using Angular.
• Strong working knowledge of MySQL, relational database concepts, and performance optimization.
• Experience designing and integrating RESTful APIs and web services.
• Experience with source control, CI/CD pipelines, automated testing, and modern DevOps practices.
• Active DOE Q Security Clearance.

Other Job Requirements

• United States Citizenship

Founded in 2003, Edgewater Technical Associates, LLC (Edgewater) is a New Mexico-based small business headquartered in Los Alamos, NM, with five (5) regional offices across the United States to locally support our growing presence at project sites. Edgewater has a proven track record and is a trusted provider of fixed-price construction projects, engineering, and technical services for the Department of Energy (DOE), National Nuclear Regulatory Commission (NRC), Canadian Commercial Nuclear Industry, and private sector commercial contractors involved in nuclear, high-hazard, or complex operations. Edgewater’s experience and guidance ensure that our customers perform hazardous operations, comply with regulatory requirements, and maintain the highest quality and safety standards.

Edgewater is committed to recruiting and maintaining a staff of highly skilled professionals to support our customers. In keeping with this objective, we offer highly competitive salaries and employee benefit packages structured to best suit your needs. We offer multiple individual and family benefit options including paid time off, medical, dental, life, vision, and disability insurance, and a pre- and post-tax 401(k) retirement account with Company matching contributions and 100% vesting for eligible participants beginning DAY 1.

EQUAL OPPORTUNITY EMPLOYER

Edgewater is an equal opportunity employer and all qualified applicants will be considered for employment without regard to race, color, religion, sex, national origin, protected veterans, or individuals with disabilities in accordance with EO 14173.