<div class="content-intro"><p>ABOUT DEFCON AI</p><p>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.<br>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.</p></div><p><strong><span data-contrast="auto">About the Role</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p><p><span data-contrast="none">We’re hiring a </span><strong><span data-contrast="none">Senior Full Stack Software Engineer</span></strong><span data-contrast="none"> 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.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":240,"335559739":240}"> </span></p><p><span data-contrast="none">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.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":240,"335559739":240}"> </span></p><p><strong><span data-contrast="none">Core Tech Stack:</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":240,"335559739":240}"> </span></p><ul><li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="none">Frontend</span></strong><span data-contrast="none">: React 19, TypeScript, Vite-based React apps, Tailwind CSS, SignalR</span></li><li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="none">Backend: </span></strong><span data-contrast="none">.NET 9 (C#), Minimal APIs, Entity Framework Core</span></li><li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="none">Async Processing: </span></strong><span data-contrast="none">RabbitMQ, Redis (for scale-out and caching)</span></li><li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="none">Data and Storage: </span></strong><span data-contrast="none">PostgreSQL, Amazon S3</span><span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":0,"335559739":0}"> </span></li></ul><p><strong><span data-contrast="auto">What You’ll Do</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p><ul><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Shape the product architecture end-to-end.</span></strong><span data-contrast="auto"> 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.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Own the data foundation.</span></strong><span data-contrast="auto"> 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.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Engineer for performance at scale.</span></strong><span data-contrast="auto"> You’ll build smart caching layers with Redis and leverage S3 for large artifacts, keeping our Web Gateway lean, responsive, and built to grow.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Drive technical direction through RFCs.</span></strong><span data-contrast="auto"> 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.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Ship with product and design, not in a silo.</span></strong><span data-contrast="auto"> You’ll partner closely with product and design to turn real customer problems into thoughtful technical solutions—and deliver them in tight, iterative releases.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Use AI as a force multiplier (responsibly).</span></strong><span data-contrast="auto"> 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.</span></li><li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Hold the quality bar high.</span></strong><span data-contrast="auto"> 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.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}"> </span></li></ul><p><strong><span data-contrast="auto">What We’re Looking For (Required)</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p><ul><li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Production experience with hash-chained audit, Merkle-tree sealing, and cross-language evidence parity (C# + Python)</span></li><li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Depth in cryptographic evidence pipelines — HMAC integrity, signed checkpoints, chain continuity verification</li><li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Fluency in PostgreSQL transactional guarantees for audit writes, advisory-lock coordination patterns</li><li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Prior work on ATO-evidence-bearing audit implementations (DoD, fintech regulatory audit, HIPAA-equivalent scale)</li><li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Ability to architect AWS KMS integration with envelope encryption; HSM (PKCS#11) integration familiarity<span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}"> </span></li></ul><p><strong><span data-contrast="auto">Nice to Have (Preferred)</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p><ul><li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Prior DoD / federal ATO submission experience</span></li><li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">NIST SP 800-53 AU family control implementation experience</li><li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Prior DoD ATO experience on CDS integrations, familiarity with Radiant Mercury / ISSE Guard / EverFox / Forcepoint WebShield, knowledge of the ISSE approval workflow.<span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}"> </span></li></ul><p><strong><span data-contrast="none">Other Qualifications</span></strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559685":0,"335559738":0,"335559739":0}"> </span></p><ul><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="none">Analytical Aptitude: Possess keen analytical and problem-solving skills, coupled with the capability to understand complex software challenges and collaborate toward viable solutions. </span></li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Effective Communication: Skilled in distilling technical complexities into comprehensible terms for varied audiences. <span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":0,"335559739":0}"> </span></li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Adaptive Nature: Resilience and adaptability in the face of an ever-changing tech landscape, with a knack for rapidly integrating new technologies and methodologies. </li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Agile Methodology Experience: An understanding and hands-on experience with agile development methodologies and version control tools. <span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":0,"335559739":0}"> </span></li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Agility in Tech: Demonstrated adaptability in the fast-paced tech landscape, continually embracing and integrating new technologies and methodologies. </li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">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. </li><li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Continuous Learner: A commitment to perpetually update one's skill set, staying aligned with the latest in technology trends and best practices.<span data-ccp-props="{"134233117":false,"134233118":false,"335557856":16777215,"335559738":0,"335559739":0}"> </span></li></ul><p><strong>What We Offer: </strong></p><ul><li>A fully remote, results-based environment</li><li>Competitive salary, bonus, and equity package</li><li>100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family</li><li>Unlimited PTO, with your manager’s approval</li><li>Flexible work environment where you manage your work day</li><li>14 weeks of fully-paid parental leave</li></ul><p><strong>Salary range</strong>: $155,000-$215,000. This represents the typical salary range for this position based on experience, skills, and other factors.</p><p> </p><p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">#LI-RCP</p><h3> </h3><div class="content-conclusion"><div>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. </div><hr><div><strong><em>Applicant Data Disclosure</em> </strong></div><div><em>By submitting an application, you acknowledge that Defcon AI uses third-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (collectively, "Hiring Platforms"). Your application materials, including your résumé, cover letter, work samples, responses to application questions, and any other information you submit, may be transmitted to and processed by these Hiring Platforms for the following purposes:</em> </div><ul><li><em>Managing and administering your application throughout the hiring process;</em> </li><li><em>Verifying the accuracy and authenticity of application materials, including by cross-referencing information you provide against publicly available sources and proprietary databases;</em> </li><li><em>Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories.</em> </li></ul><div class="elementToProof"><em>Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from further consideration. If you have questions about the status of your application or the evaluation process, please contact<span class="Apple-converted-space"> </span><a href="mailto:recruiting@defconai.com">recruiting@defconai.com</a>.<span class="Apple-converted-space"> </span></em> </div><div class="elementToProof"> </div><div><em>Defcon AI requires its Hiring Platform providers to process your information solely for the purposes described above and in accordance with applicable law. Your information will be retained only for as long as necessary to fulfill these purposes and any applicable legal obligations, after which it will be deleted in accordance with Defcon AI's data retention policies.</em></div><div><em>For more information about how your data is used, please refer to our Privacy Policy and<span class="Apple-converted-space"> </span></em><em><a id="OWAa5fbf800-7cff-a47d-90dd-97168e270e0a" class="x_OWAAutoLink" href="https://nam09.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.redcellpartners.com%2Fapplicant-privacy-policy%2F&data=05%7C02%7Ckat.creamer%40redcellpartners.com%7Cc0f94f3daed94dc7503108de8b61955e%7Cf861de501a2a42359dbf28afd57d1d97%7C0%7C0%7C639101448841578570%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=WoPiBMZqQyPPK5N4E1sCagkbMY2S8P3aSRSoy7T4los%3D&reserved=0" data-auth="NotApplicable" data-outlook-id="7bba607b-d838-4280-a6ca-ed63ecc87c50">Applicant Privacy Notice</a></em><em>.<span class="Apple-converted-space"> </span></em> </div><p><span data-ccp-props="{}"> </span></p></div>