{"id":4168,"url":"https://alion.io/job/cresta-ai-senior-software-engineer-backend-ai-agent","title":"Senior Software Engineer, Backend (AI Agent)","company":{"id":34,"name":"Cresta","domain":"cresta.com","url":"https://alion.io/company/cresta-ai","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":86,"ghost_share":0.198,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":150,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":205000,"max":270000,"currency":"USD","period":"year","gross":null,"usd_annual":270000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"gRPC","optional":false},{"name":"Kubernetes","optional":false},{"name":"Machine Learning","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Vertex AI","optional":false}],"status":"live","first_seen_at":"2026-03-02T00:41:26Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-23T02:09:56Z","board_verified":true,"closed_at":null,"days_open":235,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":235},"description":"Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across every channel. The world’s leading companies, including United Airlines, Cox Communications, and Marriott, use Cresta to power world-class customer experiences every day. \nBorn from the Stanford AI Lab, Cresta has raised more than $270 million from the world’s leading investors, including a16z, Greylock, and Sequoia. Cresta’s leadership includes some of the leading minds in AI today. Our CEO, Ping Wu, founded and led Google's Contact Center AI and Vertex AI platforms before joining Cresta to build the future of AI-driven customer experiences.\nOver the next few years, AI is going to redefine how people all over the world interact with businesses every day. Come build that future at Cresta.\nAbout the role:\nAs 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.\nThis is a unique opportunity to shape the future of AI at Cresta by solving complex problems and bringing breakthrough AI advancements into production environments.\nResponsibilities:\nDesign, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models.\nCollaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions.\nLead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities.\nDrive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability.\nInnovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents.\nQualifications We Value:\nBachelor’s degree in Computer Science or a related field.\n5+ years of experience in backend system architecture, cloud services, or related technology fields.\nProficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST.\nPrevious experience working with Virtual Agent or AI Agent systems.\nExperience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases.\nExperience in containerized application deployment using Kubernetes and Docker in microservices architectures.\nExperience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards.\nPerks & Benefits:\nWe offer a comprehensive and people-first benefits package to support you at work and in life:\nComprehensive medical, dental, and vision coverage with plans to fit you and your family\nFlexible PTO to take the time you need, when you need it\nPaid parental leave for all new parents welcoming a new child\nRetirement savings plan to help you plan for the future\nRemote work setup budget to help you create a productive home office\nMonthly wellness and communication stipend to keep you connected and balanced\nIn-office meal program and commuter benefits provided for onsite employees\nCompensation at Cresta: \nCresta’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.\nThe 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.\nSalary Range: $205,000-$270,000 + Offers Equity\nOur use of AI in recruiting: We may use AI tools in our recruiting process, which require human review and oversight. If you have questions about our use of AI or wish to opt out, please contact  (if you are opting out, please use the subject ‘Opt-Out’ in your email).\n\nRecording & AI transcription: We do not authorize candidates to record or use AI transcription of any interview by phone, notetaker app, AI glasses, or other device. Candidates may request an exception or accommodation for review during the interview process as needed.\n\nRecruiting impersonation scams: 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. 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