Senior Full Stack Software Engineer | DEFCON AI · Teeming.ai
DEFCON AI
DEFCON AI helps logistics and mobility operators make better operational decisions and respond to disruptions. It uses artificial intelligence, mathematical optimization, modeling and simulation, and…
data sciencemachine learningmathematical optimizationsimulationdefconai.com
DEFCON AI
DEFCON AI helps logistics and mobility operators make better operational decisions and respond to disruptions. It uses artificial intelligence, mathematical optimization, modeling and simulation, and…
data sciencemachine learningmathematical optimizationsimulationdefconai.com
HQMcLean, US
Team Size49
Open Jobs6
Total Funding$44M
Latest Fundraise2 years ago
TL;DR
Founded: 2022
Product: AI-driven modeling, simulation, and optimization software for logistics and mobility
Recent funding: $44M seed (Aug 20, 2024) led by Bessemer Venture Partners
Headquarters: Tysons/McLean, Virginia area
Company Overview
Problem Domain
Logistics and mobility planning under disruption and contested environments; supply chain resilience and operational decision support.
Founded
2022
Industry
Software Development
Tech Stack
Cloudflare
Content Delivery Network
WordPress
Funding Track Record
Seed- 2024-08-20
$44,000,000
Participation from Red Cell Partners and Fifth Growth Fund; company reported having earned approximately $15M in government contracts
Investor Signal
“Bessemer Venture Partners led a $44M seed; participation from Red Cell Partners and Fifth Growth Fund”
Founders
What we do
Join the Team
Senior Full Stack Software Engineer
RemoteMcLean, VA, US
Remote • McLean, VA, US
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About Defcon Ai
RESILIENCE IN THE FACE OF DISRUPTION. DEFCON AI is an insights company that leverages artificial intelligence, mathematical optimization, data analytics, and software engineering for resilient optimization of complex systems.
In today's dynamically changing world, DEFCON AI's technology aligns outcomes with operational goals, better decision making, and empowers customers to anticipate assess, and mitigate the impacts of disruptions.
About the Role
We're hiring a
Senior Full Stack Software Engineer
to design, build, and scale modern web applications end-to-end. You'll work across frontend UI, backend services, APIs, asynchronous processing, and data layers—shipping features that are reliable, secure, and built to last.
This is a senior individual contributor role with real autonomy and real impact. You'll have end-to-end ownership of features and meaningful input into technical decisions, quality standards, and delivery practices working in a remote-first environment.
Async Processing:
RabbitMQ, Redis (for scale-out and caching)
Data and Storage:
PostgreSQL, Amazon S3
What You'll Do
What We're Looking For (Required)
Nice to Have (Preferred)
Experience integrating .NET services with Python-based systems and designing stable data contracts between services or teams.
Experience with Docker and container orchestration (Kubernetes).
Observability and performance tooling experience (OpenTelemetry, Application Insights, Datadog, Grafana/Prometheus).
GraphQL experience (in addition to REST).
Other Qualifications
Analytical Aptitude: Possess keen analytical and problem-solving skills, coupled with the capability to understand complex software challenges and collaborate toward viable solutions.
Effective Communication: Skilled in distilling technical complexities into comprehensible terms for varied audiences.
Adaptive Nature: Resilience and adaptability in the face of an ever-changing tech landscape, with a knack for rapidly integrating new technologies and methodologies.
Agile Methodology Experience: An understanding and hands-on experience with agile development methodologies and version control tools.
What We Offer:
A fully remote, results-based environment
Competitive salary, bonus, and equity package
100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
Unlimited PTO, with your manager's approval
Flexible work environment where you manage your work day
14 weeks of fully-paid parental leave
Salary range
: $155,000-$215,000. This represents the typical salary range for this position based on experience, skills, and other factors.
We're an Equal Opportunity Employer: You'll receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability. www.
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Shape the product architecture end-to-end.
You'll design and ship modular .NET services and modern React frontends that stay fast, reliable, and elegant across a wide range of real-world customer environments.
Own the data foundation.
You'll design high-performance PostgreSQL schemas and craft EF Core queries that serve as the source of truth for business logic, permissions, and RBAC—balancing correctness, clarity, and scale.
Engineer for performance at scale.
You'll build smart caching layers with Redis and leverage S3 for large artifacts, keeping our Web Gateway lean, responsive, and built to grow.
Drive technical direction through RFCs.
You'll author and collaborate on design proposals that define data contracts and API boundaries, making our .NET platform and Python-based solver runners work together seamlessly.
Ship with product and design, not in a silo.
You'll partner closely with product and design to turn real customer problems into thoughtful technical solutions—and deliver them in tight, iterative releases.
Use AI as a force multiplier (responsibly).
You'll leverage tools like Claude Code and GitHub Copilot/Cursor to move faster and refactor with confidence, while keeping security, quality, and maintainability non-negotiable.
Hold the quality bar high.
You'll help set the standard through great code reviews, automated testing, and pragmatic engineering practices that keep the codebase a joy to work in.
8+ years of professional software engineering experience delivering production web applications.
Strong full stack experience shipping user-facing features end-to-end across frontend, backend, and data layers.
Deep expertise in React and TypeScript, including component architecture, hooks, and performance optimization.
Experience building and maintaining modern React applications (Vite, Tailwind CSS and client-side data fetching patterns).
Strong backend experience with C# and modern .NET (.NET 9 or similar), including API design with Minimal APIs and secure development practices.
Strong experience with PostgreSQL, including schema design, indexing strategies, and query optimization.
Hands-on experience with Entity Framework Core, including writing efficient queries and managing migrations.
Experience designing and operating asynchronous workflows (RabbitMQ) and implementing caching strategies (Redis).
Experience building real-time UI updates using SignalR.
Experience working with AWS, especially object storage in Amazon S3.
Solid understanding of authentication or authorization patterns including application-level RBAC (e.g., JWT, OAuth/OIDC concepts).
Strong written and verbal communication skills, including the ability to collaborate effectively in a remote environment.
Agility in Tech: Demonstrated adaptability in the fast-paced tech landscape, continually embracing and integrating new technologies and methodologies.
Education: While formal education in Computer Science or related fields is a plus, DefconAI values hands-on experience and demonstrable skills above all. Candidates with 6+ years of relevant experience will be considered regardless of their academic pedigree.
Continuous Learner: A commitment to perpetually update one's skill set, staying aligned with the latest in technology trends and best practices.
