---
title: 'Senior Software Engineer at CircleCI'
canonical: 'https://feeny.ai/job/senior-software-engineer-circleci-ontario-c7sxvxgjq1sd'
type: 'job'
last_seen: '2026-09-08'
---

# Senior Software Engineer at CircleCI

- **Company:** CircleCI
- **Location:** Ontario, Canada
- **Compensation:** $156k–$196k
- **Work type:** remote
- **Posted:** 2026-03-24
- **Last confirmed live:** 2026-09-08
- **Apply:** http://www.circleci.com/careers/jobs/8475304002/?gh_jid=8475304002

## Job description

## About CircleCI Engineering

CI/CD has been solved. Now it's being reinvented. AI agents don't just run pipelines. They write code, trigger builds, interpret failures, and propose fixes. The interfaces that developers use to understand and trust that work don't exist yet. We're building them.

At CircleCI, our guiding principles aren't posters on a wall. We learn fast: we run experiments, accept failure, and scale what works. We think like the customer: every decision connects back to the developer sitting in front of a failing build at 2 am. We own the outcome: not just our slice of it, but the whole thing. If that's how you already work, you'll fit here.

## Team-Agnostic Placement

We don't hire for a team. We hire for CircleCI. Where you land depends on where your strengths create the most leverage, and we figure that out together. You might own the CI pipeline experience, deploy and release tooling, notification infrastructure, monetization flows, AI agent surfaces, or the foundational web platform. The through line across all of it is the same: full-stack ownership, a high bar for craft, and work that directly shapes how tens of thousands of developers experience CircleCI every day.

## What You'll Do

- Build AI-natively. AI is how we work. It's not a productivity layer on top of engineering, but the default starting point for how problems get approached and solved.
- Set technical direction. You define the approach others build from. When the problem is complex or the answer isn't obvious, you're the person who leads the design discussion, writes the ADR, and makes the call.
- Invent new interfaces. Software delivery is being reinvented. Pipelines run autonomously, generate fixes, and surface results that need human judgment. The tools developers use to understand, trust, and act on that work don't exist yet. You'll define what they look like and establish the patterns the team builds on.
- Own the full stack. Build features end-to-end in Go, React, and TypeScript. You don't hand off at a layer boundary. You own the outcome.
- Obsess over craft. Reliability and responsiveness are design concerns, not afterthoughts. Care about how the interface holds up when stakes are high and hold your team to that same standard.
- Champion observability. Use Honeycomb, Datadog, and Rollbar to understand and improve your systems. Operational data drives stability, not just incident response.
- Close gaps and fix the conditions that created them. You'll notice gaps and close them. When a gap reflects something broken in how the team works, you fix that too.

## What You'll Bring

- AI-native engineering practices. You use AI tools daily and can speak to what you've built, where they changed your approach, and where they fall short.
- A track record of shipping. You've built something real and put it in front of users. 5+ years of production full-stack experience, with latency, responsiveness, and reliability treated as design concerns, not afterthoughts.
- Full-stack depth. Strong React and TypeScript. Comfortable owning backend services in Go: API design, data modeling, service integration.
- System design. You lead architectural decisions on complex systems. You make conscious tradeoffs, document your reasoning, and create the foundation others build on.
- Adaptability. You don't just thrive in ambiguity, you reduce it for others. You turn unclear requirements into a direction the team can execute on.
- Technical leadership. You mentor engineers, give direct feedback on technical direction, and raise the quality bar through how you engage in reviews and design discussions, not just what you ship.

Sound like you?

You've stopped waiting for AI to mature and are already building with it, not as a productivity trick, but as a core part of how you think about problems. You care about the product as much as the code. You're drawn to work where the patterns don't exist yet and the best answer requires you to invent it. If that's how you already operate, we want to talk. Canada Base Pay Range $156,000—$196,000 CAD

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

## About CircleCI

CircleCI is the world’s largest continuous integration/continuous delivery (CI/CD) platform, and the hub where code moves from idea to delivery. As one of the most-used DevOps tools - processing more than 3 million jobs a day - CircleCI has unique access to data on how the most effective engineering teams work, and the tools to help software companies successfully leverage the power of AI into their commercial applications. Companies like Hinge, HuggingFace, and Samsung use us to improve engineering team productivity, release better products, and get to market faster.

Founded in 2011 and headquartered in downtown San Francisco with a global, remote workforce, CircleCI is venture-backed by Base10, Greenspring Associates, Eleven Prime, IVP, Sapphire Ventures, Top Tier Capital Partners, Baseline Ventures, Threshold Ventures, Scale Venture Partners, Owl Rock Capital, Next Equity Partners, Heavybit, and Harrison Metal Capital.

CircleCI is an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.

## About CircleCI

## Company Overview
- **One-liner**: CircleCI provides a continuous integration and continuous delivery (CI/CD) platform that enables software teams to automate their build, test, and deployment processes with AI-powered intelligence.
- **Entity Type**: Private
- **Headquarters**: San Francisco, California, USA (with a globally distributed workforce across the US, Canada, UK, Ireland, Germany, Mexico, and Japan)
- **Founded**: 2011
- **Founders**: Paul Biggar and Allen Rohner

## Core Business
- Primary industry: DevOps and CI/CD (Continuous Integration/Continuous Delivery) Platform
- Target customers: B2B, serving engineering teams from startups to the Fortune 500, including software engineers, platform engineers, security engineers, and engineering managers
- Mission: To manage change so software teams can innovate faster — enabling engineers to deliver high-quality products reliably and efficiently

## Products & Services
- **CircleCI CI/CD Platform**: A cloud-based and on-premise continuous integration and delivery service that automates the building, testing, and deployment of software. The core offering includes intelligent test splitting, parallel execution, and support for Linux, macOS, Android, and Windows environments.
- **AI-Powered Agentic CI/CD**: A new generation of the platform featuring autonomous validation, AI agents that diagnose and fix pipeline failures, rollback pipelines for safe recovery, and model evaluation for LLM applications. This includes the CircleCI MCP Server to connect AI tools (like Claude Code) to pipeline data.
- **Platform Toolkit**: A set of tools and policies (including no-think CI/CD, golden paths, and policy enforcement) designed to help platform engineers standardize best practices at scale across their organizations.
- **Orbs**: Reusable, shareable packages of configuration (YAML) that simplify and streamline CI/CD setup for common deployment targets (AWS, GCP, Azure, Heroku, etc.) and tools.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric**: Over 2 million developers use the platform. The platform has achieved 97% faster test runs.
- **Notable Investors/Partners**: Investors include Top Tier Capital Partners, IVP, Sapphire Ventures, and Scale Venture Partners (from the $100M Series F raised in 2021). Key technology partners include AWS, Google Cloud, Microsoft Azure, and major VCS providers like GitHub and GitLab.
- **Growth Signals**: Forbes named CircleCI to "America’s Best Startup Employers" list. The company is actively investing in AI-native features (autonomous agents, MCP integration) and has launched a new CLI and a redesigned Pipelines page. Headcount continues to grow with active hiring across engineering, product, and go-to-market roles.

## Competitive Advantages
- **Agent-Powered Automation**: A first-to-market move into "autonomous validation" and AI-agent-driven CI/CD, distinguishing CircleCI from traditional, purely script-based CI/CD tools.
- **Enterprise-Grade Scale & Trust**: Built to handle the demands of large, complex organizations with rigorous security, compliance, and policy enforcement needs — a critical moat against simpler, less mature alternatives.
- **Multi-Platform & Hybrid Cloud Support**: Supports the widest range of environments (Linux, macOS, Android, Windows) in both cloud and self-hosted (on-prem) configurations, giving enterprises flexibility.
- **Developer Experience Focus**: Features like Smarter Testing, Chunk testing, and the new Pipelines page emphasize a frictionless, high-velocity developer experience, which drives adoption within engineering teams.

## Strategic Focus
- **AI-Native CI/CD**: The company's roadmap is heavily centered on "AI speed." The focus is on integrating AI agents directly into the pipeline (for diagnosis, rollback, and even prompt engineering), making the platform autonomous and "no-think" for developers.
- **Platform Engineering & Standardization**: Empowering platform teams to define golden paths and enforce policies, balancing developer velocity with organizational control and safety.
- **Expanding the Ecosystem**: Deepening integrations with major cloud providers (AWS, GCP, Azure) and AI tooling (MCP Server, LLM app support) to become the default CI/CD layer for the AI era.

## Why Work Here
- **Culture & Flexibility**: CircleCI operates on a hybrid model (office-from-home flexibility) designed to balance collaboration with personal productivity. The culture is built on guiding principles: "Learn fast," "Own the outcome," "Understand the problem," "Do our best work," and "Think like the customer."
- **Professional Development**: Employees have access to comprehensive training programs, leadership development opportunities, and a clear focus on career pathing (e.g., redesigned engineering career paths).
- **Community & Inclusion**: Active Employee Resource Groups (ERGs) include Circle[SHE]i (women and allies), The Onyx Circle (Black employees and allies), CircleAPI (Asian voices), Circle-Sí-I (Latino/LatinX), CircleMinds (neurodiversity), Queer Sphere (LGBTQIA+), and CircleGI (Veterans).
- **Benefits & Perks**: Comprehensive benefits package including generous PTO, holistic mental health support, and global health and wellness coverage.

## Sources
1. [circleci.com](https://circleci.com/) — Official website with product overview, brand positioning, and "Join 2mil+ devs" tagline
2. [circleci.com/careers](https://circleci.com/careers/) — Careers page with mission, culture, guiding principles, ERG descriptions, and benefits information
3. [circleci.com/about](https://circleci.com/about/) — About page with leadership team (CEO Jim Rose, CTO Rob Zuber, CFO Chitra Balasubramanian, etc.), company history (founded 2011 in San Francisco), and values
4. [linkedin.com/company/circleci](https://www.linkedin.com/company/circleci) — LinkedIn company page with open positions (10 current job listings including Software Engineer, PM, Product Designer)
5. [circleci.com/docs](https://circleci.com/docs/guides/about-circleci/about-circleci/) — Official documentation providing technical overview, CI/CD definitions, supported platforms (Linux, macOS, Android, Windows), and deployment targets (AWS S3, EC2, GCP, Azure, Heroku, Firebase)

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