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About the Role
We're looking for a Senior Full Stack Engineer I to join Stream on our mission of elevating the quality of apps for billions of users globally. You'll own the backend of our AI Moderation product: building new capabilities and making the Go services behind them cleaner, faster and more reliable.
Responsibilities
- Build new moderation features: design and ship Go services from database schema and API endpoints through to production rollout, including work on our new AI moderation flow.
- Clean up the backend: refactor existing moderation services, reduce technical debt, simplify code paths and raise test coverage.
- Improve reliability and performance: strengthen alerting and observability, and fix scaling and latency issues in the moderation pipeline.
- Own third-party integrations: maintain and extend the AI and moderation providers that plug into the pipeline.
- Keep production healthy: diagnose defects to root cause and take part in on-call, with a focus on North American hours.
- Work with customers: troubleshoot their issues directly and bring what you learn back into the roadmap.
- Work across the stack when needed: ship React changes alongside the frontend engineers and review your peers' code.
Requirements
- 3+ years of professional software engineering experience, mostly on the backend.
- Solid backend experience in Go, Python or a comparable language, and willingness to work in Go.
- Experience designing REST APIs and relational data models (ideally Postgres), and working with Redis.
- A track record of shipping features used at scale and of refactoring and improving existing production systems.
- Working knowledge of React and TypeScript or JavaScript.
- Experience with automated testing across client and server code.
- Comfort working with customers and handling production incidents.
- You probably won't enjoy this role if you want a pure frontend position, a large team with a fixed process, or a job with no on-call.
- You must be legally entitled to work in Canada; we can't offer visa sponsorship or relocation for this role.
Skills
- Go
- Python
- REST APIs
- Postgres
- Redis
- React
- TypeScript
- JavaScript
- Automated testing
- GCP
- Message queue
- Full-text search
- Open-source contributions
Location
- Toronto
Work Type
- Full-time
- Hybrid
Experience Level
- Senior
- 3+ years
Salary/Compensations
- CAD 100,000 to 127,998 per year
Benefits
- 20 days of PTO first year of employment, 24 days starting your second year
- Company equity
- Extended Healthcare
- Dental benefit
- Long & Short-Term Disability
- Life Insurance
- Fitness stipend
- A Macbook Pro provided
- A Learning and Development budget
- The opportunity to attend or present to global conferences and meetups
- The possibility to visit our offices in Boulder, CO and Amsterdam, NL
About the Company
- Stream powers real-time Chat, Video, Activity Feeds, and AI Moderation for more than 1 billion end users across 4,000+ apps, from Strava and Bumble to eBay and Patreon.
- Our platform processes billions of API requests per month and supports applications with millions of concurrent users, while delivering highly reliable, low-latency services and a great developer experience.
- We're a Series B company with offices in Boulder, Amsterdam, Skopje and Toronto, and a team of 140+ people from 37 nationalities.
- We're backed by Felicis Ventures, GGV Capital, 01 Advisors, Techstars, and Arthur Ventures, with angels including Dick Costolo (ex-CEO of Twitter), Olivier Pomel (CEO of Datadog), Tom Preston-Werner (co-founder of GitHub), and Nicolas Dessaigne (co-founder of Algolia).
- We'll be straight with you: a startup is more demanding than a large company. There's no fixed playbook, you'll own things end to end, and you'll sometimes pick up work outside your title. That's also what makes it a fast place to grow.
- Stream is a casual, transparent team that aims high and supports each other.
- In engineering, we care about ownership and quality, and our goal is to ship stable software.
- Management stays hands-on, with less middle management and more time spent doing the work.
Equal Opportunity
- Stream is an equal opportunity employer and welcomes applications from all qualified candidates.
- We don't discriminate based on any ground protected by the Ontario Human Rights Code.
- Accommodation is available on request for candidates taking part in all parts of the selection process.
- Stream provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
- This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.