Member of Technical Staff (Fullstack) (Toronto)

The role

You will own core parts of the application stack, designing APIs, background workflows, and deployment pipelines. You will also package and ship LLM agents to production and collaborate with co-founders on all facets of the startup.

What you will do

• Build and harden FastAPI services
• Design clean interfaces for ingestion, retrieval, annotation, and compliance checks
• Stand up a reliable background job platform with Celery + Redis
• Package LLM/RAG agents into production service
• Ship to AWS and manage secrets, networking, autoscaling, and cost controls
• Build robust, enterprise integrations with cloud platforms such as Veeva Promomats, Adobe, and Figma
• Orchestrate file processing, OCR, embedding pipelines, and metadata enrichment at scale
• Model clean schemas and access patterns for Postgres
• Use Redis for caching and rate-limiting
• Contribute to the Next.js frontend

Required qualifications

• Relevant experience building systems and deploying enterprise-grade products
• Ability to make decisions and drive results on your own
• Strong proficiency in Python, FastAPI, Docker, AWS
• Superb communication and collaboration skills
• Unreal work ethic

Nice to have

• Experience working with LLMs such as GPT, Claude and Gemini to create LLM-based workflows, RAG Pipelines and agentic solutions

Benefits

• Supplemental health, dental, and vision coverage on top of OHIP
• Ground-floor equity
• RRSP matching
• Unlimited PTO
• First month in New York with travel and accommodation covered
• Professional growth stipend
• Work in a high-velocity, high-impact environment

Before you apply

• You must be legally entitled to work in Canada
• We can't sponsor work permits for this role at this time

About the company

Solstice is building a commercial engine that allows pharmaceutical marketers to launch campaigns at 100x the speed. They are redefining how life sciences organizations commercialize their therapeutics.