Cresta - Senior Software Engineer, Backend (AI Agent Runtime)
Requirements
• 5+ years of software engineering experience, with meaningful time spent on infrastructure, platform, or systems work. • Strong Python and Go — both are core to this role, not one primary and one secondary. • Python • Deep understanding of distributed systems: consistency, fault tolerance, state management, concurrency. • distributed systems • Experience with Kubernetes and cloud-native infrastructure. • Kubernetes • Experience building developer-facing tooling — CLIs, SDKs, local dev environments, or internal platforms. • developer-facing tooling • Strong communicator who can drive technical decisions, write clear design docs, and mentor others. • High bar for code quality — thorough testing, thoughtful code review, and sustainable engineering practices. • code quality • Comfort operating what you build — on-call, incident response, and production ownership. • AI-native workflow — you actively use LLMs and AI-assisted tools in your daily development, and can leverage them to move faster and tackle problems that would otherwise be impractical. • AI-native workflow • Nice-to-haves • Experience with real-time voice or streaming media systems. • real-time voice or streaming media • Hands-on with LLM integration — streaming inference, prompt orchestration, retrieval-augmented generation. • LLM integration • Experience building serverless or function-as-a-service platforms. • serverless or function-as-a-service • Workflow engines (Temporal, Argo, Airflow) for durable, long-running processes. • Workflow engines • Experience in conversational AI or speech domains. • conversational AI • Infrastructure-as-code and GitOps workflows.
Benefits
• We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs • Paid parental leave to support you and your family • Monthly Health & Wellness allowance • Work from home office stipend to help you succeed in a remote environment • Lunch reimbursement for in-office employees • PTO: 3 weeks in Canada • Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate-specific factors, including experience, skillset, and location, and local minimum pay requirements as applicable. We are actively hiring for this role in the US and Canada. Your recruiter can provide further details. • Our 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 [email protected] (if you are opting out, please use the subject ‘Opt-Out’ in your email).Recording & 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.Recruiting 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. Any outreach claiming to be from Cresta via other sources should be ignored. • Our use of AI in recruiting: • Recording & AI transcription: • Recruiting impersonation scams:
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