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Full Stack Engineering Intern

Cresta

Toronto Canada permanent

Posted: December 23, 2025

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Quick Summary

We are seeking a Full Stack Engineering Intern to join our team in Toronto, Canada. The ideal candidate will have experience with programming languages such as Python, Java, and JavaScript, and be able to work collaboratively with cross-functional teams to deliver high-quality software solutions.

Job Description

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 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:

As a full-stack software engineer, you will have the options to work on different products at Cresta. Cresta Opera, the no-code AI command center for contact centers. Cresta Platform, the core engineering platform that enables all Cresta features. Cresta Studio, the one-stop-shop for call analysis, building, evaluating, and deploying conversational AI models. The products leverage the latest LLM technologies to build differentiated product suites.

You will join a collaborative but highly autonomous working environment in which each member has a defined role with clear expectations, as well as the freedom to pursue individual projects.

Responsibilities:

• You will join a collaborative but highly autonomous working environment in which each member has a defined role with clear expectations, as well as the freedom to pursue individual projects.

• Collaborate with senior engineers on the team to write and push high-quality code efficiently for both the frontend and backend.

• Build exciting products in which ML/AI is applied at the core as a major differentiator for the product. You'll work closely with ML engineers on such features (you do not need to be an ML engineer yourself; we do not expect any experience with ML)

• Identify and leverage opportunities to improve general engineering productivity.

• Integrate with various tools for CI/CD, test automation, monitoring, logging, documentation

Qualifications We Value:

• Experience coding in modern programming languages like Python, Go, Java for backend and JavaScript, TypeScript for frontend.

• Understanding of the modern front-end ecosystem and experience applying frameworks/tools (React.js, Webpack, and Node.js) and patterns to complex, production web applications.

• Comfortable defining and building robust APIs with a strong understanding for different protocols like REST, RPC frameworks, Websockets etc.

• Experience with database schema design and an understanding of query performance that translates to performant, scalable, and reactive products.

Perks & Benefits:

• $30-$50 per hour subject to taxes

• Lunch can be expensed (up to $25) while working in the office.

• PT0: 4 days

This posting will be used to fill a newly-created role.

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]

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