Sr. Full Stack Engineer - Java / React - Clearance

Job Description

Senior Full Stack Engineer (Java / React)

On-site Dedham, MA

Aerospace / Defense Permanent

Why this role is worth your time

You’ll be building and enhancing mission-critical cybersecurity applications that support national security programs. This is hands-on, technically challenging work where your code directly impacts secure communications and defense systems. You’ll work alongside highly skilled engineers in a stable, well-funded environment with long-term career growth.

What you’ll be doing

Design, build, and enhance advanced Java/React applications supporting a cybersecurity Encryptor Manager

Collaborate within a cross-functional Agile engineering team

Develop secure, scalable software using modern application frameworks and tools

Contribute to architecture decisions and technical direction on complex systems

Apply secure coding principles in a classified, high-reliability environment

What you bring

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

5+ years of professional software engineering experience (or MS + 3 years)

Strong experience with Java / Enterprise Java and Java Beans

Frontend experience with JavaScript and React

Experience with Spring, Hibernate, and SQL/PostgreSQL databases

Familiarity with Agile development environments

Nice to have

Wildfly application server experience

REST APIs and RESTCONF interfaces

Material UI

Secure application development, PKI, digital certificates

SNMP experience

Security requirements

Active or obtainable DoD Secret Clearance required at hire

U.S. citizenship required due to classified work

Work environment & benefits

Fully on-site role (no remote option)

Flexible time off and strong work-life balance

401(k) with company match

Comprehensive healthcare and wellness programs

Paid parental leave

Career development, training, and research-driven engineering work

On-site gym and employee resource groups

If you’re motivated by technically complex systems, security-focused development, and work that truly matters, this role offers both challenge and long-term stability.

Full-time