Top Tech Jobs & Startup Jobs in Toronto

Work with account executives to run technical discovery, design demos, execute POCs, configure accounting workflows and AI systems, scope implementations, build integrations, and provide ongoing support and maintenance.

Lead development and maintenance of the core data platform: build performant pipelines, data warehousing, and ML infrastructure; partner with data scientists to produce production datasets; ensure data governance, quality, lineage, and accessibility; integrate cross-platform data sources; automate reporting and deliver stakeholder insights to enable data-driven decisions.

Founding full-stack engineer to build front-end and back-end features for month-end close automation, integrate with ERP/HRIS/CRM systems, design backend jobs and data ingestion, ensure code quality and CI/CD, implement LLM-driven workflows, and help grow the engineering team.

Design, build, test, refactor, and maintain production Rails software using Rails, Bootstrap, Stimulus, and Postgres. Own a defined codebase area, design data models, review code, maintain disciplined testing, collaborate with product managers, and mentor 1–3 junior engineers. Contribute in a fast-moving startup environment, evaluate third-party tools and APIs, and use AI development tools such as Claude Code or Codex.

Join an early engineering hire at a growing SaaS platform for online communities. Scope and deliver new features, write modular TypeScript/React code, enable AI coding agents, monitor production, and troubleshoot issues while influencing product direction and improving platform scalability and developer experience.

Design, prototype, and productionize Uniswap v4 hooks across markets. Own hook lifecycle from spec to audited mainnet deployment, publish reference implementations, build integration SDKs/simulators, ensure security with fuzzing/formal methods, and collaborate on metrics and adoption with aggregators and data teams.

Contract product designer contributing to web and mobile projects: user research, wireframes, prototypes, high-fidelity visual design, usability testing, and cross-functional collaboration. Produce presentation collateral, marketing assets, and support handoffs to engineering.