CrestaCR

Senior Software Engineer, Backend (AI Platform)

Cresta utilizes AI technology to enhance customer interactions within contact centers, enabling businesses to increase efficiency and improve customer satisfaction while reducing costs.

Cresta
Canada only

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team member to work smarter and faster. Born from the prestigious Stanford AI lab, Cresta's co-founder and chairman is Sebastian Thrun, the genius behind Google X, Waymo, Udacity, and more. Our leadership also includes CEO, Ping Wu, the co-founder of Google Contact Center AI and Vertex AI platform, and CTO & co-founder, Tim Shi, an early member of Open AI.

Join us on this thrilling journey to revolutionize the workforce with AI. The future of work is here, and it's at Cresta.

About the role:

  • Own model serving: Design, build, and maintain low-latency, highly-available serving stacks for in-house ML model serving and integrating with LLM serving partners.
  • Automate training pipelines: Orchestrate data prep, training, evaluation, and registry workflows on Kubernetes with solid MLOps practices.
  • Optimize at scale: Profile and tune throughput, memory, and cost; introduce caching, sharding, batching, and GPU/CPU autoscaling where it pays off.
  • Build platform primitives: Create reusable SDKs, templates, and CLI tools that let research and product teams ship models independently and safely.
  • Raise the bar: Instrument deep observability (tracing, metrics, alerts), drive blameless post-mortems, and mentor engineers on production ML best practices.
What we’re looking for
  • 5+ years writing production software; 2+ years focused on ML platform or infra.
  • Expert Python (async, typing, packaging, performance).
  • Working Golang knowledge for systems components.
  • Proven experience with one or more serving frameworks (e.g., vLLM, Triton, TorchServe).
  • Kubernetes and cloud-native ops.
  • Solid grasp of distributed systems, networking, and container security.
  • Culture of rigorous testing, code review, and continuous delivery.
Nice-to-haves
  • Hands-on with large language models or real-time streaming inference.
  • Terraform, Helm, or similar IaC tooling.
  • Experience in speech or conversational AI domains.

Perks & 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.

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 [email protected]

About the job

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Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Canada +/- 0 hours

About Cresta

Learn more about Cresta and their company culture.

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Cresta is a pioneering company in the AI-driven contact center technology space, dedicated to transforming how customer interactions are handled by integrating human and AI capabilities. The company's innovative platform empowers organizations to enhance customer experiences, reduce operational costs, and achieve revenue growth by leveraging both AI and expert human agents. With an unwavering focus on delivering exceptional customer service, Cresta’s solutions encompass several areas including customer care, sales, retention, and collections. This multi-faceted approach allows businesses to discover winning behaviors and improve agent coaching, ultimately driving better performance and satisfaction.

By providing real-time guidance and insights, Cresta transforms standard customer conversations into strategic advantages for enterprises. Their AI technology facilitates smarter, faster responses and supports agents by proactively delivering the precise information needed to resolve complex customer issues effectively. The platform emphasizes a robust compliance framework that minimizes risks, ensuring smooth operations across all touchpoints in the customer service landscape. Furthermore, testimonials from clients highlight the efficiency gains after implementing Cresta, including reduced training times and significant revenue improvement. The ultimate goal of Cresta is to make AI accessible, enabling companies not only to cut costs but also to enhance the quality of their customer interactions exponentially.

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