• Analyze and update system logic and documentation • Participate and lead in designing, implementing, monitoring, and troubleshooting software systems • Responsible for backend software development • Stay updated on and contribute to product roadmaps • Assist on customer issues and ensure technical standards and documentation requirements are met • Collaborate with sales engineering and operational teams to understand customer needs and recommend solutions • Learn about operational challenges faced by engineering teams and assist in developing strategies to address them

• Build new functionality for our industry-leading solar design and sales platform • Design and maintain APIs that connect seamlessly with financial and sales partners, ensuring a smooth, reliable experience • Develop scalable, secure services built for long-term performance • Strengthen our agile processes and contribute to predictable, high-impact sprint outcomes • Mentor teammates and elevate our engineering culture through shared learning and thoughtful collaboration • Champion operational excellence by owning the services you build, including participation in the on-call rotation

ABOUT NOOKS Are you seeking an exciting and unique opportunity to grow and support our national security? As a startup, we are offering a limited-time opportunity to be an equity owner in a pioneering new industry. Nooks is pioneering Classified Infrastructure-as-a-Service (CIaaS) to provide government and industry partners with the fastest, most efficient access to classified infrastructure. We are building a nationwide network of accredited classified spaces and systems, ensuring that the best technologies equip our nation’s warfighters. At Nooks, we value innovation, collaboration, and a service-first mindset. ABOUT THE ROLE Nooks is hiring a Senior Software Engineer and Architect to build the next generation of secure infrastructure and software services powering mission-critical national security operations. You'll partner closely with our product team and our staff engineer to develop resilient, scalable systems that serve both government and industry customers across a growing network of classified environments. As a Senior Software Engineer, you’ll lead development of secure applications that underpin Nooks’ Classified Infrastructure-as-a-Service (CIaaS) platform. This role requires a strong expertise in backend technologies, comfort and competency with front-end work and a commitment to security, quality, automation, and scalability. You’ll contribute as an individual engineer while helping establish our engineering culture and mentoring others as the team grows. KEY RESPONSIBILITIES: Participate in the decisions on “how” we deliver software. (Architecture, languages, decision delegation, contracting, DIY, model selection and integration). Partner on the “what, when, who and why” of our software with Design and Product. Lead a major feature or application. Support junior engineering talent with mentorship and/or technical guidance. Build secure multi-tenant services on public cloud platforms like AWS or GCP. Build, architect, and consume APIs and backend services as part of the platform ecosystem, with an emphasis on automation, testing, and security. Advocate for improvements to product quality, security, and performance and their impact on your team and others. Interact with customers and partners, assisting them with integration of our services. THE SKILLSET: 6+ years of progressively responsible software engineering experience. Excellent communication skills; experience working with end-users to design and build solutions to their needs. A habit of self-directed learning of new technologies, and the ability to learn quickly and adapt to a fast-paced environment. Must have led the architecture, development, and building of backend services and APIs to ensure performance, security, and reliability. Salary Range for all departments Salary Range $140,000 — $180,000 USD

Location: Remote Type: Full-time About the Role We are seeking a Senior Software Engineer with strong, production-level experience in . You will design, develop, and maintain backend applications, services, and systems. This role involves close collaboration with product stakeholders, supporting internal teams, and engaging with customers to deliver well-structured, well-documented solutions that align with our mission and product goals. Responsibilities Design, implement, and maintain core services, APIs, and data workflows. Engage with internal and external stakeholders to understand product needs. Leverage product insights to guide architectural decisions. Create and maintain diagrams, documentation, and whiteboarding artifacts. Maintain and monitor infrastructure using Infrastructure-as-Code (IaC) workflows. Apply security best practices, ensure comprehensive testing, and implement observability with tools like Datadog. Conduct detail-oriented code reviews focused on correctness, maintainability, and quality. Mentor junior engineers and set high standards for code quality and documentation. Requirements Benefit from a competitive package including excellent healthcare and a 401k. Compensation: $150,000 to $175,000 annually, based on skills, experience, licensure, and certifications. All applicants must have legal authorization to work in the United States now and in the future without sponsorship. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. All applicants are required to reside within the continental United States. Carta Healthcare is dedicated to building a diverse and inclusive company because we serve health systems across the country; we’ve seen how our product and impact are strengthened the more we reflect that diversity. In addition, we have found and strongly believe that diverse teams are higher-performing, and we embrace the varied perspectives that our team members share with each other. As such, we are an Equal Opportunity Employer. #LI-Remote #BI-Remote