Fullstack Engineer, Moderation

Stream Digital Services

. Design and ship Go services from database schema and API endpoints through production rollout, including the new AI moderation flow .

Posted 10/16/2026full-timeToronto • CanadaMid-LevelSenior💰 CA$100,000 - CA$127,998 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend software engineering with a strong focus on Go, API design, and relational databases. Proven ability to enhance production systems, troubleshoot issues, and collaborate effectively across teams.

Highest-signal resume keywords

Go ProgrammingREST API DesignRelational Database ManagementAutomated TestingCustomer Incident Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend Software EngineeringGoPythonPostgresRedisReactTypeScriptJavaScriptAutomated TestingFeature Shipping

Soft Skills

CollaborationProblem-SolvingCustomer InteractionCommunication

Tools & Technologies

GCPMessage QueueFull-Text SearchAI Moderation Tools

Industry Keywords

Content ModerationTrust and SafetyPolicy Enforcement

Tech Stack

Tools & technologies

CloudGoogle Cloud PlatformJavaScriptPostgresPythonReactRedisTypeScriptGo

About the role

Key responsibilities & impact

Design and ship Go services from database schema and API endpoints through production rollout, including the new AI moderation flow
Refactor moderation services, reduce technical debt, simplify code paths and raise test coverage
Strengthen alerting and observability, and fix scaling and latency issues in the moderation pipeline
Maintain and extend third-party AI and moderation provider integrations
Diagnose production defects to root cause and participate in on-call, focused on North American hours
Troubleshoot customer issues directly and bring learnings into the roadmap
Ship React changes alongside frontend engineers and review peers' code
Collaborate with the Moderation team, Infrastructure, Customer Success, Support, and customers' trust and safety and engineering teams
Own the backend of Stream's AI Moderation product

Requirements

What you’ll need

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
Must be legally entitled to work in Canada; visa sponsorship and relocation are not offered
Hybrid work in the Toronto office, three days per week
Bonus: exposure to trust and safety, content moderation or policy enforcement products
Bonus: professional experience with Go
Bonus: experience with GCP or another major cloud provider
Bonus: experience integrating LLM or ML-based services into production systems
Bonus: message queue experience
Bonus: full-text search experience
Bonus: open-source contributions

Benefits

Comp & perks

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
The chance to work on OSS projects