Top Tech Jobs & Startup Jobs in Toronto

Own full-cycle recruiting for senior and staff-level engineering roles, especially backend, infrastructure, systems, Rust, and database positions. Partner with Engineering leaders on hiring profiles, build outbound pipelines, manage interviews and closing, oversee agencies and referrals, analyze recruiting funnel data, and support talent branding. The role requires technical fluency, strong sourcing instincts, startup experience, and the ability to influence hiring decisions.

Build and operate Helius’s bare-metal infrastructure platform. Responsibilities include automating server provisioning and lifecycle management, developing fleet tooling, standardizing CI/CD and deployment processes, implementing security controls, analyzing infrastructure costs, improving observability, participating in on-call response, and documenting operational procedures.

Own the Helius developer platform roadmap across streaming, archival data, RPC infrastructure, APIs, webhooks, and developer tooling. Engage technical customers, define product guarantees, pricing, packaging, and launches, and track adoption, reliability, usage, churn, and revenue. Work closely with engineering and contribute code through prototypes, integrations, and debugging. The role requires strong distributed-systems knowledge, crypto experience, technical customer empathy, excellent written communication, and high autonomy.

The Staff Platform Engineer will design and implement a new observability stack, ensuring high performance, scalability, and reliability of systems for metrics, logs, and tracing.

Own and advance a core Helius backend system supporting Solana infrastructure. Design and release high-performance products, optimize latency and throughput, make architectural decisions, improve observability and incident response, and mentor engineers. The role requires end-to-end ownership of production systems at scale, with close collaboration with founders and engineering leadership. Relevant systems include data streaming, historical APIs, account indexing, and access control infrastructure.

Own the technical direction of a core Helius backend system, including architecture, reliability, performance, roadmap, and production operations. Design scalable distributed systems, storage, streaming, or edge infrastructure; drive profiling and performance improvements; establish operational excellence; partner with founders on strategy; mentor engineers; and lead ambiguous cross-team initiatives.

Act as the technical front line for developers on Solana: troubleshoot and reproduce issues, ship code samples, SDKs, demos, docs, and automation, collaborate with engineering on fixes and prototypes, and support developers in Discord and Telegram to drive product improvements.