Do you work with classified or sensitive programs?

I engineer with a security-first mindset and adhere to the handling, access, and compliance requirements your program defines. Specific clearance and contracting details are best discussed directly — reach out and we can scope it properly.

What technologies and domains do you specialize in?

Real-time and mission-critical systems, secure architecture, embedded and edge software, and legacy modernization. I choose the right stack for the constraints — reliability, security, and maintainability come before novelty.

Can you join an existing team or do you work solo?

Both. I integrate cleanly into established programs and processes, or take ownership of a workstream end to end. Either way, you get clear communication and documentation your team can rely on.

How do you keep complex work understandable for stakeholders?

Plain language, honest tradeoffs, and no jargon for its own sake. I make sure decision-makers understand the why behind every technical choice — that's how trust is built and risk is reduced.

Defense-grade software engineering

Mission-critical software, built to be trusted.

I'm Andrew Wallace — a software developer specializing in the defense industry. Deep technical expertise, security-first delivery, and a friendly, plain-spoken approach that makes complex systems easy to work with.

Discuss your program How I work

Security cleared mindset Standards-compliant delivery On-time, on-spec

Built for the people who can't afford failure

Defense Contractors Government Agencies Systems Integrators Aerospace Primes Mission Operators R&D Labs Defense Contractors Government Agencies Systems Integrators Aerospace Primes Mission Operators R&D Labs

Years engineering

Systems delivered

Uptime on mission systems

Security incidents

Capabilities

Engineering depth across the defense software stack

Mission systems

Command, control & real-time data systems

High-reliability software for sensor fusion, situational awareness, and real-time decision support — engineered for environments where latency and failure carry real-world consequences.

Secure-by-design architecture

Threat-modeled from day one. Hardened pipelines, least-privilege access, and compliance with the standards your program review demands.

Embedded & edge systems

Firmware and edge software for constrained, ruggedized, and disconnected platforms.

System modernization

Migrate legacy code to modern, maintainable architectures without breaking what already works.

The process

Clear, accountable, low-risk delivery

Understand the mission

We start with your requirements, constraints, and security posture — translated into plain language so everyone, technical or not, is aligned.

Engineer & verify

Iterative builds with continuous testing, documentation, and security review baked into every milestone — never bolted on at the end.

Deliver & sustain

Documented handoff, knowledge transfer, and long-term support so your team owns the system with full confidence.

Trusted on programs that matter

"Andrew took a system we'd struggled to staff and delivered it ahead of review. He made deeply technical tradeoffs understandable to our whole leadership team."

J. Reyes

Program Director, Defense Systems Integrator
"Security was never an afterthought. Every deliverable arrived documented, tested, and ready for our compliance review. Rare to find."

M. Tanaka

Technical Lead, Government Agency
"Approachable, dependable, and genuinely expert. Andrew is the engineer we call when the requirements are hard and the stakes are high."

D. Okafor

VP Engineering, Aerospace Prime