[Remote] Senior Software Engineer, Backend (AI Agent)

Note: The job is a remote job and is open to candidates in USA. Cresta is a company focused on enhancing customer experiences through AI technology. As a Senior Software Engineer, you will design and maintain server architectures for AI Agent solutions, ensuring reliability and performance in high-volume interactions.ResponsibilitiesDesign, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary modelsCollaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutionsLead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalitiesDrive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availabilityInnovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI AgentsSkillsBachelor's degree in Computer Science or a related field5+ years of experience in backend system architecture, cloud services, or related technology fieldsProficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, RESTPrevious experience working with Virtual Agent or AI Agent systemsExperience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databasesExperience in containerized application deployment using Kubernetes and Docker in microservices architecturesExperience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standardsBenefitsComprehensive medical, dental, and vision coverage with plans to fit you and your familyFlexible PTO to take the time you need, when you need itPaid parental leave for all new parents welcoming a new childRetirement savings plan to help you plan for the futureRemote work setup budget to help you create a productive home officeMonthly wellness and communication stipend to keep you connected and balancedIn-office meal program and commuter benefits provided for onsite employeesCompany OverviewCresta uses artificial intelligence to assist sales and service agents in the quality of customer service. It was founded in 2017, and is headquartered in Sunnyvale, California, USA, with a workforce of 201-500 employees. Its website is https://www.cresta.com.Company H1B SponsorshipCresta has a track record of offering H1B sponsorships, with 2 in 2026, 9 in 2025, 6 in 2024, 2 in 2023, 10 in 2022, 4 in 2021, 3 in 2020. Please note that this does not guarantee sponsorship for this specific role.