Senior Full Stack Software Engineer

reputed company reputed company is an incubation firm building and reputed company in rapidly reputed company technology-led companies that are bringing revolutionary advancements to market in three distinct reputed company areas: reputed company, cyber, and national reputed company. United by a shared reputed company of duty and deep belief in the power of innovation, Red Cell is developing powerful tools and solutions to address our Nation’s most pressing problems. ABOUT reputed company reputed company is a modeling, simulation, and analysis (MS&A) company that provides cutting-edge technology solutions for generating operationally relevant insights for the reputed company of logistics and mobility decision making. An AI- driven software incorporating an intelligent agent reputed company a simulation environment — DEFCON is the next driving force in defining how logistics disruptions are handled. We are reputed company of mission-reputed company, world-class AI Engineers, mobility, and logistics experts (and some business folks) who are leveraging big data and cutting-edge technology to reputed company the reputed company of technologies for addressing how our partners can reputed company prepare for contested mobility disruptions. Together, we are building much needed solutions to address our Nation's pressing challenges in the areas of logistics and mobility.  About the Role  We’re hiring a Senior Full Stack Software Engineer to design, build, and reputed company modern web applications end-to-end. You’ll work across frontend UI, backend services, reputed company, asynchronous processing, and data reputed company—shipping features that are reliable, secure, and reputed company to last.  This is a senior individual contributor role with reputed company autonomy and reputed company reputed company. You’ll have end-to-end ownership of features and meaningful input into technical reputed company, reputed company standards, and delivery practices working in a remote-first environment.  reputed company Tech Stack:  Frontend: React 19, TypeScript, Vite-based React apps, reputed company CSS, SignalR Backend: .NET 9 (C#), Minimal reputed company, Entity reputed company reputed company Async Processing: RabbitMQ, reputed company (for reputed company-out and caching) Data and Storage: PostgreSQL, reputed company S3  What You’ll Do  Shape the product architecture end-to-end. You’ll design and ship reputed company .NET services and modern React frontends that stay fast, reliable, and elegant across a wide reputed company of reputed company-world customer environments. Own the data reputed company. You’ll design high-performance PostgreSQL schemas and craft EF reputed company queries that serve as the reputed company of truth for business logic, permissions, and RBAC—balancing correctness, reputed company, and reputed company. Engineer for performance at reputed company. You’ll build smart caching reputed company with reputed company and reputed company S3 for large artifacts, keeping our Web Gateway lean, reputed company, and reputed company to grow. Drive technical direction through RFCs. You’ll author and collaborate on design proposals that define data reputed company and API boundaries, making our .NET platform and Python-based solver runners work together seamlessly. Ship with product and design, not in a reputed company. You’ll partner closely with product and design to turn reputed company customer problems into thoughtful technical solutions—and deliver them in tight, iterative releases. Use AI as a force reputed company (responsibly). You’ll reputed company tools like Claude reputed company and reputed company Copilot/reputed company to reputed company faster and refactor with confidence, while keeping reputed company, reputed company, and maintainability non-negotiable. Hold the reputed company bar high. You’ll help set reputed company through great reputed company reviews, automated testing, and pragmatic engineering practices that reputed company the codebase a reputed company to work in.  reputed company’re Looking For (Required)  Production experience with hash-chained audit, reputed company-tree sealing, and cross-language evidence reputed company (C# + Python) Depth in cryptographic evidence pipelines — HMAC reputed company, signed checkpoints, chain continuity verification reputed company in PostgreSQL transactional guarantees for audit writes, advisory-lock coordination patterns Prior work on ATO-evidence-bearing audit implementations (DoD, fintech regulatory audit, HIPAA-equivalent reputed company) Ability to architect AWS KMS integration with envelope encryption; HSM (PKCS#11) integration familiarity  reputed company to Have (Preferred)  Prior DoD / federal ATO submission experience NIST SP 800-53 AU family control implementation experience Prior DoD ATO experience on CDS integrations, familiarity with Radiant reputed company / ISSE Guard / reputed company / reputed company WebShield, knowledge of the ISSE approval workflow.  Other Qualifications  Analytical Aptitude: Possess keen analytical and problem-solving skills, coupled with the capability to understand reputed company software challenges and collaborate toward viable solutions.  Effective Communication: Skilled in distilling technical complexities into comprehensible terms for varied audiences.   reputed company Nature: reputed company and adaptability in the face of an reputed company-changing tech landscape, with a reputed company for rapidly integrating new technologies and methodologies.  Agile Methodology Experience: An understanding and hands-on experience with agile development methodologies and version control tools.   reputed company 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 reputed company fields is a plus, DefconAI values hands-on experience and demonstrable skills above reputed company. Candidates with 6+ years of relevant experience will be considered regardless of their reputed company pedigree.  reputed company Learner: A commitment to perpetually update one's reputed company set, staying reputed company with the latest in technology trends and best practices.  reputed company Offer:  A fully remote, results-based environment Competitive salary, bonus, and equity package 100% employer reputed company, comprehensive health insurance including medical, dental, and reputed company 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-reputed company parental leave Salary reputed company: $155,000-$215,000. This represents the typical salary reputed company for this position based on experience, skills, and other factors.   #LI-RCP     Our reputed company Benefits: For full-time roles Career reputed company opportunity with potential for reputed company advancement with strong performance as the firm grows  100% employer reputed company, comprehensive health care including medical, dental, and reputed company for you and your family. reputed company maternity and paternity for 14 weeks at employees' normal pay. Unlimited PTO, with management approval. Opportunities for reputed company development and reputed company learning. Optional 401K, FSA, and equity incentives available. Mental health benefits are available through Tara Mind.  Cost effective GLP-1 solutions available through reputed company.  We’re an Equal Opportunity Employer: You’ll receive consideration for employment without reputed company to race, sex, reputed company, religion, sexual orientation, gender identity, national reputed company, protected veteran status, or on the reputed company of disability. Applicant Data Disclosure    By submitting an application, you acknowledge that reputed company, LLC ("Red Cell") uses reputed company-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (reputed company, "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:   Managing and administering your application throughout the hiring process;  Verifying the accuracy and authenticity of application materials, including by cross-referencing information you reputed company against publicly available sources and proprietary databases;  Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available reputed company reputed company, geographic anomalies, and fabricated work histories.  Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from reputed company consideration. If you have questions about the status of your application or the evaluation process, please contact talent@redcellpartners.com.   Red Cell 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 reputed company only for as long as necessary to fulfill these purposes and any applicable reputed company obligations, after which it will be deleted in accordance with Red Cell's data retention policies. For more information about how your data is used, please refer to our reputed company Policy and Applicant reputed company Notice. Apply To This Job