Role Description As a Senior Software Engineer, your goal will be to ensure that our AI Agents are backed by the most reliable and scalable server solutions. This includes designing and maintaining the server architecture that handles real-world, high-volume interactions and ensures high availability and performance. While we’re focused on server optimization and data management rather than pure research, you’ll be working with some of the most advanced technologies in the cloud and server space. This is a unique opportunity to shape the future of AI at Cresta by solving complex problems and bringing breakthrough AI advancements into production environments. Responsibilities - Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models. - Collaborate with cross-functional teams including frontend engineers and machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions. - Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities. - Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability. - Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents. Qualifications - Bachelor’s degree in Computer Science or a related field. - 5+ years of experience in backend system architecture, cloud services, or related technology fields. - Proficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST. - Previous experience working with Virtual Agent or AI Agent systems. - Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases. - Experience in containerized application deployment using Kubernetes and Docker in microservices architectures. - Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards. Benefits - Comprehensive medical, dental, and vision coverage with plans to fit you and your family. - Flexible PTO to take the time you need, when you need it. - Paid parental leave for all new parents welcoming a new child. - Retirement savings plan to help you plan for the future. - Remote work setup budget to help you create a productive home office. - Monthly wellness and communication stipend to keep you connected and balanced. - In-office meal program and commuter benefits provided for onsite employees. Compensation at Cresta Cresta’s approach to compensation is simple: recognize impact, reward excellence, and invest in our people. We offer competitive, location-based pay that reflects the market and what each individual brings to the table. The posted base salary range represents what we expect to pay for this role in a given location. Final offers are shaped by factors like experience, skills, education, and geography. In addition to base pay, total compensation includes equity and a comprehensive benefits package for you and your family. Salary Range: $205,000–$270,000 + Offers Equity We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the @cresta.ai domain. Any outreach claiming to be from Cresta via other sources should be ignored. If you are uncertain whether you have been contacted by an official Cresta employee, reach out to recruiting@cresta.ai.

• Develop and maintain software applications using Python and .NET. • Collaborate with cross-functional teams to define, design, and implement new features. • Ensure code quality through unit testing and code reviews. • Participate in agile ceremonies and contribute to continuous process improvement. • Diagnose and resolve software defects and issues.

• Execute database migrations with enterprise and Private Cloud customers. • Assume ownership of the PlanetScale relationship and migration work. • Productise repeatable migration patterns. • Automate recurring migration requests. • Own broader app and service migrations in the gaps. • Distribute what you learn. • Keep the database offering competitive.

• Develop and maintain scalable frontend applications using React 19 and TypeScript. • Build and optimize applications within a Turbo monorepo using pnpm workspaces. • Implement routing with TanStack Router and leverage Module Federation in a micro-frontend architecture. • Develop backend utilities and platform services with Fastify. • Create responsive, reusable UI components using Tailwind CSS, the shared Design System, and Storybook. • Design and maintain type-safe APIs and data contracts with Zod. • Ensure software quality through unit, integration, end-to-end, accessibility, and visual regression testing using Vitest and Playwright. • Maintain high code quality using Biome for linting and formatting. • Monitor application performance, logging, and observability with OpenTelemetry and Prometheus.