Lead Java Developer
The role involves leading the technical architecture and development of greenfield products from zero-to-one. It requires turning unclear business goals into scalable technical solutions and supporting ML inference pipelines.
- Hybrid
- Toronto, ON
- Posted Aug 20, 2026
- Apply by Sep 19, 2026
- 1 position
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Job summary
Java Staff Engineer Toronto, Canada (hybrid onsite) Must-have capabilities: Deep Java and Spring Boot expertise Distributed systems, APIs and microservices Event-driven architecture Strong AWS experience across compute, storage, networking and IAM Greenfield or zero-to-one product development Ability to turn unclear business goals into technical architecture Experience supporting ML inference pipelines, including data normalization, feature pipelines, feature stores or model-serving integrations Demonstrated use of GitHub Copilot, LLM-powered development workflows or agentic coding tools Comfortable working at startup speed with evolving requirements Strongly preferred: Edge computing or CDN execution experience Edge workers, CDN functions, Lambda@Edge or equivalent JavaScript or TypeScript for edge runtimes JWT/JWS, OAuth 2.0, PKI, token validation or identity/security platforms Python and Databricks ML model-registry integration Distributed tracing, structured logging and observability
What you’ll do
The role involves leading the technical architecture and development of greenfield products from zero-to-one. It requires turning unclear business goals into scalable technical solutions and supporting ML inference pipelines.
Requirements
Candidates must have deep expertise in Java, Spring Boot, and AWS, along with experience in distributed systems and LLM-powered development workflows. Proficiency in edge computing and security protocols like OAuth 2.0 is strongly preferred.
Listed skills
- JavaScriptPreferred
- TypeScriptPreferred
- Amazon Web ServicesPreferred
- JavaPreferred
- Spring BootPreferred
- PythonPreferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Java
- Spring Boot
- AWS
- Microservices
- Distributed Systems
- Event-Driven Architecture
- ML Inference Pipelines
- GitHub Copilot
- Edge Computing
- TypeScript
- JavaScript
- OAuth 2.0
- Python
- Databricks
- Distributed Tracing
- Observability
Job areas
- Software
- Technology
- Engineering
- Data & Analytics
- Consulting
Additional details
- Minimum experience
- 10+ years
- Apply by
- Sep 19, 2026
- Posting language
- English
- Working hours
- 40 hours per week
- Seniority
- Mid-Senior level
- Application method
- Direct apply is available