Software Engineer

We're working with a leading technology company dedicated to solving complex operational and engineering challenges for mission-critical defense and technology initiatives.

The Role

• Develop and maintain Java-based plugin functionality for modeling tools
• Implement SysML model generation capabilities, including Block Definition Diagrams and Activity Diagrams
• Build and maintain parsers and data models for structured JSON inputs to drive model generation
• Collaborate with AI engineering teams to align plugin behavior with LLM output and improve AI-assisted generation workflows
• Diagnose and resolve issues across UI, parsing, API integration, and backend generation logic
• Contribute to code quality improvements, validation logic, and testing strategy across a multi-repository codebase

What You'll Need

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field
• 3+ years of professional Java development experience
• Experience designing and maintaining object-oriented systems in production codebases
• Strong proficiency with JSON parsing/serialization and schema-driven data models
• Ability to obtain and maintain an active DoD Secret Clearance
• Strong communication skills and ability to collaborate across technical teams

What's On Offer

• Competitive salary ranging from $85,000 - $100,000 per year
• Comprehensive benefits package including 100% company-paid insurance for medical, dental, vision, life, STD, and LTD
• 401(k) plan with discretionary employer matching and educational assistance
• Opportunities for professional development and contribution to mission-focused customer environments

Apply via Haystack today!