Senior/Staff Software Engineer, Developer Experience

Who are we?

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.

We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that.

We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft.

We are a global technology company co-headquartered in Toronto and San Francisco, with key offices in London, New York City, Montreal, Seoul, Germany and Paris. Join us!

About the Role
We're seeking a Senior/Staff Engineer to build and maintain the automation infrastructure that powers the development cycles of our North platform. This engineer will design and implement robust automation systems that enable engineers to efficiently test and validate changes across diverse environments and configurations. This role sits at the intersection of infrastructure and standards. You'll build the systems, frameworks, and culture that allow the rest of engineering to own quality themselves; improving and extending our testing platform by creating the infrastructure that allows engineers to write and execute tests, and enable every engineering team to ship with more confidence.

Key Responsibilities

Design and implement automation pipelines that support comprehensive testing across multiple environments with varying feature flags and realistic customer data profiles

Create intelligent testing agents that simulate real user behavior to validate different configuration combinations

Develop and maintain GitHub workflows and actions to automate testing, deployment, and validation processes

Manage and optimize Helm charts for deployment consistency across environments

Implement and maintain ArgoCD workflows for continuous deployment and environment management

Establish best practices for testing methodologies and ensure adoption across engineering teams

Build scalable infrastructure that supports parallel test execution across diverse configurations

Develop infrastructure-as-code templates and configurations for reproducible test environments

Implement containerization strategies for test environments and dependencies

Create benchmarking frameworks to measure performance and reliability across different configurations

Monitor and improve test coverage and reliability metrics

Collaborate with product and engineering teams to understand testing requirements and translate them into automated solutions

Troubleshoot and resolve complex testing infrastructure issues

Required Qualifications

5+ years of software engineering experience with a focus on automation and testing infrastructure

Expert proficiency in Python and TypeScript

Extensive experience with GitHub workflows and actions

Deep understanding of testing methodologies and best practices

Experience building and maintaining CI/CD pipelines

Containerization experience (Docker, Kubernetes)

Benchmarking experience and performance testing methodologies

Cloud platform experience (AWS, GCP, or Azure)

Background in developer tools or platform engineering

Ability to design and implement complex automation systems

Strong problem-solving skills and attention to detail

Preferred Qualifications

Experience working with LLMs in production environments

Familiarity with infrastructure-as-code principles

Experience with container orchestration and management

Knowledge of performance testing tools and frameworks

Experience with monitoring and observability tools

Background in test framework development

Strong working knowledge of Helm charts and ArgoCD

Infrastructure-as-code experience (Terraf…