Software Engineer, Backend (AI Agent) · Cresta

Fri, 17 Apr 2026 12:25:22 GMT
Engineering

Cresta · Canada (Remote) · remote

Join us on this thrilling journey to revolutionize the workforce with AI. The AI Agent team at Cresta is on a mission to create state-of-the-art AI Agents that solve practical problems for our customers. We are focused on leveraging the latest technologies in Large Language Models (LLMs) and AI Agent systems, while ensuring that the solutions we develop are cost-effective, secure, and reliable.

About the Role: As a 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.

Responsibilities:

Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models.

Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions.

Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities.

Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability.

Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents.

Qualifications We Value:

Bachelor’s degree in Computer Science or a related field.

2+ years of experience in backend system architecture, cloud services, or related technology fields.

Knowledge in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST.

Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases.

Experience in containerized application deployment using Kubernetes and Docker in microservices architectures.

Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards.

Bonus: experience working with Virtual Agent or AI Agent systems.

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.