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Senior React.JS Developer
LinkedIn Recruiter Post
Senior React.JS Developer needed for a full - time position in Mississauga, Canada, requiring strong ReactJS experience.
About the role
- Frontend Engineer for Warner Music Group maintaining, upgrading, and supporting technical systems. Role involves software engineering, site reliability engineering, and customer-focused operational support.
Responsibilities
- Write clean, maintainable code in Angular or React (frontend)
- Upgrade application frameworks (e.g. Angular) to stay current with security patches, support, and performance improvements
- Debug and resolve systems errors identified by automated or manual testing
- Monitor production systems and improve observability to detect and resolve issues proactively
- Lead root cause analyses (RCA) for outages and implement corrective actions
- Conduct performance and scalability testing, identify bottlenecks, and implement optimizations
- Partner with business and operations users to troubleshoot, document, and resolve issues
- Execute manual workflows (e.g., data queries, AWS resource modifications, job restarts) and automate them for efficiency
- Participate in the on-call rotation, responding to high-priority production incidents
- Enhance CI/CD pipelines (e.g., GitHub Actions, infrastructure-as-code (IaC))
- Contribute to and maintain team knowledge bases, runbooks, and technical documentation
- Drive continuous improvement through process automation and tooling enhancements
Requirements
- Experience in software development, ideally with Angular/React
- Experience with relational databases (Oracle, PostgreSQL) and writing SQL queries
- Effective communicator who can bridge technical and non-technical discussions
- Comfortable collaborating in distributed teams across multiple time zones
- Experience working with enterprise systems and modernizing them
- Hands-on experience with Infrastructure as Code (IaC) to manage cloud resources, ideally in AWS
- Ability to diagnose and resolve issues across desktop, network, and web layers
- Experience being on-call, managing incidents, and meeting SLA commitments
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Java Angular Full Stack – E2E Tech Lead
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