• Build and ship full-stack product features across a Python/Flask backend and React frontend. • Design and evolve REST and GraphQL APIs, working closely with product and other engineering teams to define clean, durable interfaces. • Work with SQLAlchemy ORM and relational data models to build reliable, performant backend services. • Contribute to our growing LLM-powered feature set - building integrations with AI models, designing prompts and pipelines, and thinking carefully about quality and reliability in AI-assisted workflows. • Communicate trade-offs and provide feedback on code and implementation decisions to peers as part of everyday development • Collaborate with design, product, and other engineers to deliver high-quality work end-to-end.

• Work with product managers to design and implement Ads products. • Collaborate closely with the platform and data teams while building new features. • Lead the processes needed to improve operational stability, including improving code quality, delivering dashboards and data visualizations. • Build extensible components that would align with the product objectives. • Support day to day project management tasks including communicating project updates, managing project timelines and overseeing project execution.

We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work around the globe, supporting the needs of citizens and those that serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. **Why you will love this opportunity as a Senior Software Engineer at Civica. ** We are seeking a highly skilled Senior Software Engineer to join our dynamic engineering team. In this role, you will be responsible for the design, development, and implementation of innovative software solutions. You will collaborate with cross-functional teams to deliver high-quality products that meet user needs and business objectives. What you will be doing: - Design, development and implementation of software applications, ensuring scalability, performance, and security. - Conduct code reviews to ensure best practices, maintainability, and adherence to coding standards. - Provide guidance and mentorship to junior engineers, fostering a culture of continuous learning and improvement. - Work closely with product managers, UX/UI designers, and other stakeholders to gather requirements and deliver effective solutions. - Identify and troubleshoot software issues, implementing effective solutions in a timely manner. - Create and maintain comprehensive documentation for software design, code, and processes. - Stay updated on emerging technologies and industry trends, advocating for improvements and new technologies that could benefit the team and projects.

Role Description 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. Core Tech Stack: - Frontend: React 19, TypeScript, Vite-based React apps, Tailwind CSS, SignalR - Backend: .NET 9 (C#), Minimal APIs, Entity Framework Core - Async Processing: RabbitMQ, Redis (for scale-out and caching) - Data and Storage: PostgreSQL, Amazon S3 What You’ll Do: - Shape the product architecture end-to-end. - Own the data foundation. - Engineer for performance at scale. - Drive technical direction through RFCs. - Ship with product and design, not in a silo. - Use AI as a force multiplier (responsibly). - Hold the quality bar high. Qualifications - Production experience with hash-chained audit, Merkle-tree sealing, and cross-language evidence parity (C# + Python) - Depth in cryptographic evidence pipelines — HMAC integrity, signed checkpoints, chain continuity verification - Fluency 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 scale) - Ability to architect AWS KMS integration with envelope encryption; HSM (PKCS#11) integration familiarity Requirements - 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 Mercury / ISSE Guard / EverFox / Forcepoint WebShield, knowledge of the ISSE approval workflow. 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. - 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. Benefits - 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.