Full - Stack Engineer developing scalable web applications for remote - first tech company since 2015. Collaborating on projects, building APIs, writing maintainable code, and optimizing performance.
About the role
- Senior Full Stack Developer at CoLab building secure backend systems for enterprise workflows. Collaborating with teams on software development and enhancing system architecture.
Responsibilities
- Design and evolve backend services and APIs that power enterprise workflows across organizations.
- Model and maintain complex relational schemas (Postgres) with strong tenant isolation, data scoping guarantees and performance considerations.
- Design and implement robust authorization patterns (RBAC, Scoped permissions, least privilege).
- Lead and contribute to initiatives such as user management redesign and identity provider (IDP) migrations.
- Build and maintain asynchronous workflows and background processing systems.
- Contribute to frontend development (React/TypeScript) to support enterprise configuration and permission management.
- Partner with Security to implement logging, validation, and operational guardrails.
- Improve reliability through thoughtful unit, integration, and E2E testing as well as improved observability, logging and proactive performance analysis.
- Mentor other developers through reviews, pairing, and design discussions.
- Participate in architectural design discussion, clearly articulating tradeoffs and helping define long-term system boundaries and patterns.
- Own delivery of major roadmap items from concept to production.
Requirements
- 5+ years building and shipping production software.
- Strong backend experience (Python preferred) and API design (REST and/or GraphQL).
- Deep experience with relational databases and SQL (Postgres preferred).
- Experience designing multi-tenant systems and implementing authorization models
- Experience with asynchronous processing (queues, workers, background jobs).
- Working experience with React/TypeScript or strong FE/BE integration experience.
- Experience operating systems in production (debugging, observability, reliability improvements).
- Experience integrating with identity providers (SSO, SCIM, external services) is a strong asset.
Benefits
- Extended health and benefits package, including unlimited paid vacation and RRSP matching
- Remote-friendly across Canada, with optional hybrid work from our St. John’s, NL office.
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