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Added 1 hour ago
S
Member of Technical Staff (Fullstack) (Toronto)
Solstice
Toronto, ON
- Full-time
Agent deployment: Package LLM/RAG agents (e.g., LangGraph/LangChain) into production service.
Added 1 hour ago
S
Member of Technical Staff - Fullstack AI Engineer (Toronto)
Solstice
Toronto, ON
- Full-time
We're looking for a Fullstack AI Engineer to build and maintain our agent platform and bring its capabilities into the product. You'll own work across backend services, APIs, agent…
Added 1 hour ago
Account Manager
Ask-AI
Toronto, ON
…infrastructure, so each deployment builds on the last. Our no-code Agent Builder lets teams design and deploy agents with governance and traceability, while our Customer Context Model…
Added 1 hour ago
A
Sales Development Representative
Ask-AI
Toronto, ON
- Full-time
…infrastructure, so each deployment builds on the last. Our no-code Agent Builder lets teams design and deploy agents with governance and traceability, while our Customer Context Model…
Added 2 hours ago
MA
Sales Development Representative
Mosaic AI
Toronto, ON
- Full-time
…infrastructure, so each deployment builds on the last. Our no-code Agent Builder lets teams design and deploy agents with governance and traceability, while our Customer Context Model…
Added 2 hours ago
MA
Account Manager
Mosaic AI
Toronto, ON
- Other
…infrastructure, so each deployment builds on the last. Our no-code Agent Builder lets teams design and deploy agents with governance and traceability, while our Customer Context Model…
Added 4 hours ago
S
Patient Experience iCare Exchange Integrations Engineer
Sanofi
Toronto, ON
- Full-time
Good to have: Design multi-agent architectures incorporating Model Context Protocol (MCP), retrieval-augmented generation, vector embeddings, agent orchestration frameworks, and…
Added 5 hours ago
AC
Global Mobility Tax - Senior Manager
ACCA Careers
Calgary, AB
- Full-time
Added 6 hours ago
SM
RQ11645 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with demonstrated experience designing, developing, testing, and supporting enterprise web applications and AI-enabled solutions. The…
Added 6 hours ago
SM
RQ11645 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with demonstrated experience designing, developing, testing, and supporting enterprise web applications and AI-enabled solutions. The…
Added 6 hours ago
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Human Capital Manager, Consulting
PwC
Toronto, ON
- Full-time
Added 6 hours ago
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Senior Software Developer - Offensive AI (Global Security)
RBC
Toronto, ON
- Full-time
Continuously tune and validate agent behavior against real operational use cases, iterating based on operator feedback.
Added 6 hours ago
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AI Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Agent Factory is where Workday’s next chapter gets built. We’re forming small, senior, cross-functional AI teams that bring together product leaders, AI engineers, and full-stack builders…
Added 6 hours ago
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Full Stack Engineer
Ultrassure
Toronto, ON
- Full-time
Added 8 hours ago
PC
Risk Modelling Services, Actuarial P&C Director (Bilingual FR/EN)
PwC Canada
Toronto, ON
- Full-time
Added 8 hours ago
M
AI Business Solutions
Microsoft
Calgary, AB
- Full-time
…business requirements into prioritized Copilot scenarios and agent solutions, and drive deployment, active usage, adoption, and expansion across the customer's…
Added 11 hours ago
KI
Co-op/Intern AI Quality, Evaluation & Security
Kinaxis Inc.
Ottawa, ON
- Internship
…security analysis, or the practical tooling needed to understand agent behavior in real products. Example project areas…
Added 12 hours ago
M
Agentic Engineer, Innovation
Manulife
Montreal, QC
- Full-time
Design, build, and optimize AI agents and multi-agent systems that support reasoning, planning, retrieval, workflow automation, and task execution.
Added 13 hours ago
QP
Manager, AI Delivery
QuadReal Property Group
Calgary, AB · Vancouver, BC · Toronto, ON
- Full-time
Stay in the work: prototypes, prompt and agent design, code and design reviews, stakeholder sessions, documentation
Added 14 hours ago
A
Intermediate Software Engineer
AltaML
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
…libraries or AltaForge - supporting the AltaForge Clients and Same-Agent-Across-Clients north…
Added 16 hours ago
TT
Loss Prevention Store Security Agent
The TJX Companies, Inc.
Fredericton, NB · Mississauga, ON · CAN Home Office Mississauga ON
- $37,590 to $52,626 CAD / year
- Full-time
We're seeking a Loss Prevention Store Security Agent to help create a safe, secure, and welcoming environment in our stores. In this impactful role, you’ll be instrumental in theft…
Added 16 hours ago
J
Frontend Engineer
Jobright.ai
Canada
- Full-time
Jobright is a personal AI job search agent that simplifies the job search process and helps users reach better job outcomes. The Frontend Engineer builds accessible, reliable web interfaces…
Added 18 hours ago
SM
RQ11645 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with demonstrated experience designing, developing, testing, and supporting enterprise web applications and AI-enabled solutions. The…
Added 18 hours ago
SM
RQ11645 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with demonstrated experience designing, developing, testing, and supporting enterprise web applications and AI-enabled solutions. The…
Added 18 hours ago
A
Associate Director-AI&Data
Accenture
Ottawa, ON · Montreal, QC
- Full-time

Solstice

Member of Technical Staff (Fullstack) (Toronto)

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 3, 2026

Original job description

WHY YOU SHOULD JOIN US:

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

Rapid growth: Over the past year, we have been working with some of the top life sciences manufacturers and are working with over 50+ pharma brands.
Frontiers of technology: We're building applications and rapidly iterating technical approaches at the frontiers of AI, experimenting with LLMs and new frameworks. We are incorporating new, advanced frameworks to our solution to better define the possibilities of pharmaceutical marketing.
Top-tier investors: We've raised from investors like Transformation Capital, Twelve Below, Virtue and the founders of Datavant, Commure, and Paradigm to supercharge our growth and build an elite team of engineers and operators.

Building anything great requires commitment and dedication. We're looking for someone who has the fire to prove others wrong.

SOLSTICE IN TORONTO

We're opening our first engineering office outside New York, in Toronto, and you'll be one of its first engineers. The Toronto team will own a product area end to end, with its own roadmap and on-call. It won't be a queue for work handed over from New York.

Same time zone as New York, and one of our co-founders will be in Toronto with the team.
You'll spend your first month in New York working alongside the team in person. We cover travel and accommodation.
This role will be on-site in Toronto. We'll start remotely for the first few months, with a WeWork stipend for those who prefer it. As the team grows, we'll move into our own Toronto office by the end of the year and work from there five days a week.

ABOUT THE ROLE

We're building Solstice to automate compliant, reference-backed pharma marketing. As a founding full-stack engineer on our Toronto team, you'll own core parts of the application stack, designing APIs, background workflows, and deployment pipelines, and you'll be responsible for packaging and shipping LLM "agents" to production. Beyond development, you will be collaborating closely with co-founders Yiwen and Aris on all facets of the startup as we grow Solstice in the coming years and ship fast, safe, and observable systems.

WHAT YOU'LL BE WORKING ON

Backend services & APIs: Build and harden FastAPI services; design clean interfaces for ingestion, retrieval, annotation, and compliance checks.
Workers & queues: Stand up a reliable background job platform with Celery + Redis (scheduling, retries, idempotency, backoff, result stores).
Agent deployment: Package LLM/RAG agents (e.g., LangGraph/LangChain) into production service.
Cloud & infra: Ship to AWS, manage secrets, networking, autoscaling, and cost controls.
Integrations: Building robust, enterprise integrations with cloud platforms such as Veeva Promomats, Adobe, and Figma.
Pipelines & files: Orchestrate file processing (PDFs, images), OCR, embedding pipelines, and metadata enrichment at scale (S3-first design).
Data layer: Model clean schemas and access patterns for Postgres; use Redis for caching and rate-limiting; integrate vector DBs (Pinecone).
Frontend touchpoints: Contribute to our Next.js frontend where necessary.

SOME IDEAL TRAITS WE'RE LOOKING FOR

Engineering chops. Relevant experience building systems & deploying enterprise-grade products
Independent thinking. While we believe specific skills can be taught, we need someone who has the ability to make decisions and drive results on their own.
Strong proficiency in full-stack web development technologies such as Python, FastAPI, Docker, AWS
Experience working with LLMs such as GPT, Claude and Gemini to create LLM-based workflows, RAG Pipelines and agentic solutions. (Either formally or through projects/experimentation)
Superb communication and collaboration skills. We believe in direct communication and willingness to provide as well as accept criticism.
Unreal work ethic. Diamonds were not made overnight.

BENEFITS:

Supplemental health, dental, and vision coverage on top of OHIP
Ground-floor equity, granted on the same schedule as our New York team
RRSP matching
Unlimited PTO
Your first month in New York, with travel and accommodation covered
Professional growth stipend
Work in a high-velocity, high-impact environment

COMPETITIVE TORONTO COMPENSATION

This role offers a highly competitive Toronto salary in the CAD $155,000–$230,000 range, plus equity, calibrated to reflect experience, seniority, and the level of ownership you'll take on as part of the founding Toronto team. We pay at the top of the Toronto market, and we grant equity on the same schedule in every office.

This posting is for an existing vacancy. You must be legally entitled to work in Canada. We can't sponsor work permits for this role at this time.

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More about this job

Responsibilities

You will own core parts of the application stack, including designing APIs, background workflows, and deployment pipelines. Additionally, you will be responsible for packaging and shipping LLM agents to production while collaborating with co-founders on startup growth.

Requirements

The role requires strong proficiency in full-stack development technologies such as Python, FastAPI, Docker, and AWS. Candidates must have experience building systems and deploying enterprise-grade products, including working with LLMs and RAG pipelines.

Skills

Python
FastAPI
Docker
AWS
LLMs
RAG Pipelines
Next.js
Postgres
Redis
Celery
LangGraph
LangChain
Full-stack development
API design
Cloud infrastructure
System architecture

Benefits

Supplemental health coverage
Dental coverage
Vision coverage
Ground-floor equity
RRSP matching
Unlimited PTO
Travel and accommodation for onboarding
Professional growth stipend

Visa sponsorship

Not detected in the job text

Hiring contact

Yiwen

Keywords

Fullstack
Python
FastAPI
Docker
AWS
LLMs
RAG
LangGraph
LangChain
Postgres
Redis
Celery
Next.js
Cloud Infrastructure
API Design
Automation
Pharma Marketing
Life Sciences
Startup
Vector Databases
Pinecone
OCR
S3
Deployment Pipelines
Enterprise Integrations
Veeva Promomats
Adobe
Figma
Software Engineering
Agentic Solutions

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