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Added 1 hour ago
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Manager, Software Engineering
AltaML
Toronto, ON
- Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't.
Added 2 hours ago
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Staff Software Engineer
Twilio
Remote, Canada
- Full-time
- Remote
Join the team as Twilio’s next Staff Software Engineer.
Added 2 hours ago
UA
Software Engineer Intern - QuantumBlack, AI by McKinsey at McKinsey & Company
UCI-OC Alliance
Engineer, BC
- Volunteer
Software Engineer Intern - QuantumBlack, AI by McKinsey
Added 3 hours ago
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Mechanical Engineer 2 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Added 3 hours ago
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Profiling Infrastructure Development Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
Added 3 hours ago
AM
Sr. Software Development Engineer, AI Models
Advanced Micro Devices, Inc
Markham, ON
- Full-time
Join our innovative team at AMD as an AI Models Software Engineer. We are seeking passionate individuals who are dedicated to optimizing, accelerating, and applying AI models. As a member…
Added 3 hours ago
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Analog/Mixed-Signal SerDes Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
…process. We are currently seeking an analog/mixed-signal design engineer to join our world-class…
Added 3 hours ago
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Software Engineer, AI & Engineering Productivity Tools
Advanced Micro Devices, Inc
Markham, ON
- Full-time
AMD is seeking a Software Engineer, AI & Engineering Productivity Tools to build platforms, automation, and AI-powered tools that improve engineering productivity across ASIC design and…
Added 3 hours ago
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2027 Capital Markets, Global Equities, AI Engineer (16 Months, Co-op)
RBC
Toronto, ON
- Full-time
Added 4 hours ago
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Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
- Full-time
We're on the hunt for a top-tier Senior Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing…
Added 4 hours ago
A
Intermediate Software Engineer
AltaML
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't
Added 4 hours ago
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Building Enclosure Engineer
BPA
Ottawa, ON · Kanata, ON
- Full-time
We are seeking a Senior Building Enclosure Engineer to join our Building Science and Restoration team.
Added 4 hours ago
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Senior Mechanical Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Added 4 hours ago
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Senior Software Engineer, Machine Learning
hive.co
Remote, Canada
- Full-time
- Remote
As a Senior Data Engineer, you’ll play a vital role in evolving our data platform, which directly determines what our customers can do, how fast our product moves, and how confidently…
Added 5 hours ago
GM
2027 Winter Co-op Infotainment Software Developer
General Motors
Markham, ON
- Full-time
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Added 5 hours ago
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Intermediate Electrical Engineer
Saltworks Technologies
Richmond, BC
- $80,000 to $100,000 CAD / year
- Full-time
We have an exciting opportunity for an Intermediate Electrical Engineer/Technologist to join our multi-disciplinary team. You will support electrical design for our complex and highly…
Added 5 hours ago
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Process/Project Engineer
Innophos
Port Maitland, ON
- $90,000 to $105,000 CAD / year
- Full-time
The Process/Project Engineer is primarily responsible for project development, estimation, planning, and execution. In addition, they are responsible for conducting engineering studies…
Added 7 hours ago
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Principal Engineer, Risk and TFM Technologies
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
As Principal Engineer, Risk & Total Fund Management Technology, you will define architectural direction and elevate engineering excellence across critical investment technology platforms…
Added 7 hours ago
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Sr. Professional Engineer
Calian in Space & Technology
Ottawa, ON
- Full-time
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Added 7 hours ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
Added 7 hours ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
Added 7 hours ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
Added 8 hours ago
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Principal Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Principal Software Engineer, you will provide technical leadership for enabling and optimizing frontier-scale AI models on Microsoft AI accelerators. You will work across hardware…
Added 9 hours ago
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Structural Engineer
SYSTRA
Montreal, QC
- Full-time
…within the Co-Development Phase of the ALTO programme, the Engineer will provide design services, coordination and delivery of their work discipline work package for their respective…
Added 10 hours ago
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Senior Software Engineer- Wireless (Contract)
Photon-IV
Canada
- Full-time
The Senior Software Engineer- Wireless is a contract hybrid role based in Canada, with a mix of on-site collaboration and work-from-home flexibility. This role is responsible for leading…

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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