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Added 2 days ago
C
Senior Software Engineer
Clarity
Remote, Canada
- Full-time
- Remote
As a Senior Full Stack Engineer, you will be a hands-on contributor to the frontend and backend apps powering our platform. You will learn Elixir on the job from your colleagues and…
Added 13 days ago
J
Principal Engineer (AI, Office of the CEO)
Jobber
Remote, Canada
- Full-time
- Remote
Reporting to the VP of Customer Experience Innovation, the Principal Software Engineer will be the founding technical seat: you'll architect and build new AI systems from zero to…
Added 21 days ago
CI
Founding Engineer (AI & Agentic Systems)
Codexa Intelligence
Remote, Canada
- $80,000 to $110,000 USD / year
- Full-time
- Remote
We're looking to hire a founding engineer to own the intelligence layer of the product. This person lives entirely on the agentic and AI side of Codexa: the orchestration that decides what…
Added 1 month ago
FA
Founding Sales Engineer
Featherless AI
Remote, Canada
- $150,000 to $190,000 USD / year
- Full-time
- Remote
Run full-cycle sales across mid-market and enterprise segments
Added 1 month ago
RL
Founding Computer Vision Engineer - Teach AI to See Ocean Plastic
Retide Labs
Remote, Canada
- Contract
- Remote
We're now expanding our work into autonomous aerial systems and looking for a founding engineer to help build this next part of Retide.
Added 1 month ago
P
Remote Senior AI Product Engineer for a Climate Tech SaaS Company
Pearl
Remote, Canada
- Full-time
- Remote
…build, and ship the technical solution, working across the full stack as needed. You'll integrate AI/LLM tools into your workflow to accelerate delivery, and you'll collaborate async-first…
Added 1 month ago
BV
Principal Engineer, Agentic Products & Workflows
Big Viking Games
Remote, Canada
- Full-time
- Remote
Big Viking Games is hiring a Principal Engineer, Agentic Products & Workflows to build the systems that make an AI-first game studio real.
Added 2 months ago
OH
Founding Engineer (CTO Track)
Osmin Health
Remote, Canada
- $71,000 to $81,000 USD / year
- Full-time
- Remote
…preparing for our first consumer beta. We are looking for a founding engineer who wants to take meaningful ownership of this mission and build Osmin's technical…
Added 2 months ago
P
Founding Engineer (Full Stack, Mobile-First)
ProudZone
Remote, Canada
- Full-time
- Remote
Full stack development across web and mobile-first surfaces
Added 2 months ago
MI
MultiX Innovations - CTO / Technical Co-Founder
MultiX Innovations
Remote, Canada
- Full-time
- Remote
Solid full stack development experience - React or React Native front end, Node.js or Python back end
Added 3 months ago
H
Senior Software Engineer
Hiive
Remote, Canada
- $150,000 to $275,000 CAD / year
- Full-time
- Remote
As a Senior Full Stack Engineer, you will be a hands-on contributor to the frontend and backend apps powering our platform. You will learn Elixir on the job from your colleagues and…
Added 1 month ago
D
Founding Forward Deployed Engineer
Docebo
Remote, Canada
- $150,000 to $200,000 CAD / year
- Full-time
- Remote
Full-Stack Craftsmanship: 5+ years of hands-on experience building, shipping, and maintaining production-grade full-stack software products.
Added 28 days ago
PO
Satellite Systems Engineer (Payload & Spacecraft)
Player One Space
Remote, Canada
- $85,000 to $160,000 USD / year
- Full-time
- Remote
We are now putting our first satellites on orbit - and we need a hands-on systems engineer who can build the spacecraft and the payload end-to-end.
Added 2 months ago
WT
Manager Software Development, Observability Platform
Wealthsimple Technologies
Remote, Canada
- Full-time
- Remote
Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading,…
Added 4 months ago
AL
Forward Deployed AI Engineer
Arkanis Labs
Remote, Canada
- $120,000 to $200,000 CAD / year
- Full-time
- Remote
Forward deployed means you're embedded. You'll sit inside a client's team as the engineer who takes an ambiguous business problem and turns it into a working, maintainable production…
Added 4 months ago
FL
Founding Full-Stack Engineer (Equity) – Build a Legacy Platform
Forevermore Legacy
Remote, Canada
- $80,000 to $95,000 CAD / year
- Full-time
- Remote
We’re looking for a Founding Full-Stack Engineer to build the first version of the product alongside the founder - owning architecture, development, and key technical decisions.
Added 2 months ago
A
Staff Platform Engineer
Acquird.io
Remote, Canada
- $200,000 to $250,000 CAD / year
- Full-time
- Remote
Role: Full-time, remote-first (significant Eastern Time overlap)
Added 3 months ago
I
Software Engineer, Applied AI/Product
Indigo
Remote, Canada
- $150,000 to $250,000 USD / year
- Full-time
- Remote
As a software engineer, you'll work across the full stack: agent architectures, evals, the data and context that feed them, and the surfaces to interact with the platform and its harness.
Added 5 months ago
F
Product & Technical Co-founder (CPTO) - AI Compliance Platform
FutureSight
Remote, Canada
- Full-time
- Remote
Full-stack confidence across applied LLMs, RAG, retrieval, deterministic rules engines, human-in-the-loop workflows, observability, and secure multi-tenant SaaS (SOC 2, tenant isolation,…
Added 5 months ago
CH
Founding Full-Stack Engineer – IronMax (by CraneMax Hoisting Inc.)
Cranemax Hoisting
Remote, Canada
- $100,000 to $150,000 CAD / year
- Full-time
- Remote
Architect from Scratch: Make the foundational decisions on our tech stack, database schema, and deployment pipeline. You will own the entire architecture of the Phase 1 MVP.
Added 5 months ago
SV
Principal Engineer - Stackpoint Ventures
Stackpoint Ventures
Remote, Canada
- Full-time
- Remote
As a Principal Engineer, you are the person who builds. You'll typically embed with a single portfolio company for several months at a time - architecting, coding, and shipping backend…
Added 5 months ago
K
Founding Engineer
KixCare
Remote, Canada
- $170,000 to $220,000 CAD / year
- Full-time
- Remote
3+ years building and shipping production full-stack applications
Added 4 months ago
CS
Hardware Engineer
Canadian Solar Inc.
Remote, Canada
- Full-time
- Remote
The PCB Designer / Hardware Engineer is responsible for the schematic design, PCB layout, and documentation of high‑reliability electronic hardware used in inverters, batteries, and energy…
Added 4 months ago
S
Staff Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $146,200 to $258,000 CAD / year
- Full-time
- Remote
We are looking for a hands-on engineer who is passionate about owning the entire lifecycle of model development. This requires significant industry experience in bringing machine learning…
Added 4 months ago
S
Senior Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $119,000 to $210,000 CAD / year
- Full-time
- Remote
We are looking for a hands-on engineer who is passionate about owning the entire lifecycle of model development. This requires significant industry experience in bringing machine learning…

Codexa Intelligence

Founding Engineer (AI & Agentic Systems)

Remote, Canada

Remote

$80,000 to $110,000 USD / year · Full-time

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Job details

Pay: $80,000 to $110,000 USD / year
Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Sep 17, 2026

Original job description

Codexa is building an agent-first CRM. Instead of reps working a CRM by hand, our AI agents run the revenue operation itself: outbound, qualification, and pipeline management, end-to-end, replacing traditional SDR and AE workflows. The MVP is live, we have paying clients, and the core architecture is already running client campaigns. We're looking to hire a founding engineer to own the intelligence layer of the product. This person lives entirely on the agentic and AI side of Codexa: the orchestration that decides what every agent does next, the LLM systems behind it, and the voice infrastructure that runs live calls. It's an AI-focused seat, but not an AI-only one. We're building a full CRM, so you need real full-stack engineering behind you. Compensation This role starts on a fully deferred cash comp rather than a standard salary. It's a market-rate role with pay deferred and repaid at a premium once we hit a funding or revenue milestone. We're upfront that this is a real trade: less cash now, real upside as the company grows. Happy to walk through the specifics directly. What you'd own The agentic orchestration layer: the state machine and decision engine that runs each lead end-to-end across email and voice, including our Next Best Action logic, escalation, and handoff rules Our LLM stack: model integration and routing, prompt systems, tool and function calling, retrieval and vector memory, and the evals and guardrails that keep agent behavior safe and reliable in production Voice AI: the real-time voice agent stack, from call orchestration and latency tuning to qualification on live calls The reasoning and data enrichment pipeline as it scales from internal tooling into a productized platform Application development around all of it: the backend services, data models, and APIs the agents run on Engineering standards for how we build AI systems from the ground up, where your calls on frameworks and architecture will stick What we're looking for Hands-on experience building agentic systems with orchestration frameworks like LangGraph and LangChain, not just calling an LLM in a loop Strong applied LLM engineering: prompt design, tool and function calling, RAG, vector databases, and structured outputs, with real production experience Voice AI experience: real-time voice agents, telephony, and the ability to structure and tune latency-sensitive call flows Comfort integrating and routing across model providers (OpenAI, Anthropic/Claude, OpenRouter) and reasoning about cost, latency, and reliability trade-offs Solid full-stack engineering: able to ship end-to-end across backend, data, and APIs (Node.js/TypeScript, Python, PostgreSQL, queues and workers) Experience with multi-agent or event-driven architectures and state machines Startup or 0-to-1 experience preferred, and comfortable with ambiguity and fast iteration Based in Canada or the US with overlap in Eastern hours. Strong pluses Experience with the Model Context Protocol (MCP) for giving agents controlled access to internal and external systems LLM observability and evals: tracing, prompt versioning, and offline and online evaluation Multi-tenant, workspace-isolated architecture at scale Experience building enrichment or data pipelines that feed agent decisioning

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More about this job

Responsibilities

The founding engineer will own the intelligence layer of the product, including agentic orchestration, LLM systems, and voice infrastructure. They will also be responsible for full-stack development of backend services, data models, and APIs to support the agentic CRM platform.

Requirements

Candidates must have hands-on experience building agentic systems with frameworks like LangGraph and LangChain, along with strong applied LLM engineering skills. Proficiency in full-stack development (Node.js/TypeScript, Python, PostgreSQL) and experience with real-time voice AI are also required.

Skills

Agentic Systems
LangGraph
LangChain
LLM Engineering
Prompt Design
RAG
Vector Databases
Voice AI
Telephony
Node.js
TypeScript
Python
PostgreSQL
State Machines
Full-stack Engineering

Remote locations

Canada
United States

Remote locations (standardized)

Canada
United States

Visa sponsorship

Not detected in the job text

Keywords

Agentic Systems
CRM
LLM
LangGraph
LangChain
Voice AI
Full-stack
Node.js
TypeScript
Python
PostgreSQL
RAG
Vector Databases
State Machines
Telephony
OpenAI
Anthropic
Claude
OpenRouter
Model Context Protocol
Observability
Evals
Data Pipelines
Revenue Operations
Startup
0-to-1
Event-driven Architecture
API
Latency Tuning
Prompt Engineering

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