🔐 Senior Full Stack Engineer (Java / React)
Mission-Critical Cybersecurity Applications
📍 Location: Dedham, Massachusetts (100% Onsite)
🏭 Industry: Aerospace · Defense · Cybersecurity
🎓 Education: Bachelor’s Degree required
🧠 Level: Mid–Senior
🛡 Security Clearance: Active DoD Secret required at hire
🇺🇸 Citizenship: U.S. Citizenship required
💼 Employment Type: Full-Time | Permanent
✈️ Travel: Occasional
🔁 Relocation: Available
🚀 The Opportunity
A leading national security technology organization is seeking a Senior Full Stack Engineer (Java/React) to help build and evolve mission-critical cybersecurity management applications used in highly secure environments.
This role sits at the heart of a rapidly expanding product line, where software quality, performance, and security are non-negotiable. You’ll work with a cross-functional engineering team developing next-generation encryptor and cyber management platforms, using modern full-stack technologies in a classified setting.
🎯 What You’ll Be Working On
As a Senior Full Stack Engineer, you’ll contribute across the entire application lifecycle, helping design, build, and enhance secure enterprise applications that protect critical systems and data.
You’ll operate at the intersection of backend enterprise Java and modern React-based frontends, while adhering to strict security and reliability standards.
🧩 Key Responsibilities
Design, develop, and enhance mission-critical cybersecurity applications
Build scalable backend services using Java / Enterprise Java
Develop intuitive, secure front-end components using React
Work with SQL/PostgreSQL databases to support complex application workflows
Collaborate within Agile, cross-functional teams
Apply secure coding practices aligned with defense and cybersecurity standards
Take ownership of features from concept through delivery
Provide technical guidance and contribute to architectural decisions
🛠 Required Technical Experience
5+ years of professional software development experience
(or Master’s degree + 3 years)Strong experience with:
Java / Enterprise Java (EJBs, Spring, Hibernate)
JavaScript / React
SQL or PostgreSQL
Solid understanding of software engineering principles and best practices
Experience working in Agile environments
⭐ Nice-to-Have Skills
WildFly application server
REST APIs / RESTCONF interfaces
Material UI
Secure application development practices
Public Key Infrastructure (PKI) & digital certificates
SNMP familiarity
🧠 What Sets You Apart
Passion for solving complex, high-impact engineering problems
Ability to define scope, timelines, and technical expectations independently
Comfortable providing technical leadership without formal people management
Quick learner who thrives in evolving, high-stakes environments
Strong collaborator who communicates clearly across teams
🔐 Security Requirements
Active DoD Secret Clearance required at hire
Ability to maintain clearance
U.S. Citizenship required due to classified work
🏢 Work Environment
Fully onsite role (no remote or hybrid option)
Secure facility supporting classified programs
Collaborative, mission-focused engineering culture
🎁 What’s Offered
Competitive base compensation - $130,000 - $145,000 (Depending on Experience)
Comprehensive benefits package including:
Medical, dental, and vision coverage
401(k) with company match
Paid parental leave
Flexible time-off programs
Health & wellness initiatives (including on-site fitness options)
Long-term career growth on national security programs
📌 Candidate Snapshot
Attribute
Details
Role
Senior Full Stack Engineer (Java/React)
Clearance
Active DoD Secret
Location
Dedham, MA (Onsite)
Stack
Java, React, SQL
Experience
5+ years
Industry
Defense / Cybersecurity
Travel
Occasional
💡 Why This Role Matters
This is not just another full-stack role. You’ll be building secure software systems that directly support national defense and cybersecurity missions, where your code has real-world consequences and long-term impact.