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Senior Software Engineer - Applied AI
Feathery
Toronto, CAN
Full Time
Senior
Onsite
1 weeks ago
TypeScriptReactNode.jsPythonAWSLLM APIs
Free
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About the Role
Feathery is hiring a Senior Software Engineer to join the AI team and build AI-native product features end-to-end. You will design LLM-powered services, streaming APIs, and interactive UIs for data intake workflows in insurance and wealth management.
Key Skills for This Role
TypeScriptReactNode.jsPythonAWSLLM APIs
Responsibilities
- Build end to end AI features from backend services through to frontend UI
- Design and implement LLM agent systems including tool use, planning, and multi step execution
- Develop streaming APIs (SSE) that power real time conversational interfaces
- Own features from concept through production, iterating based on user feedback
- Build and scale TypeScript and Python services for AI orchestration and document processing
- Work with multiple LLM providers (Claude, GPT, etc.) and optimize for cost, latency, and quality
- Develop asynchronous pipelines using AWS services (Lambda, SQS, S3, Textract)
- Design APIs and data models that connect AI capabilities to the core platform
- Build responsive, interactive UIs using React and TypeScript
- Implement real time streaming interfaces for conversational AI features
- Collaborate with design to create polished, accessible experiences
- Contribute to frontend architecture and state management patterns
Requirements
- 3–6+ years of experience building full stack applications
- Strong TypeScript/JavaScript proficiency with React experience
- Backend experience with Node.js/Express, Python/Django, or similar
- Genuine interest in AI/LLM technology and building AI powered products
- API design experience, including streaming and event driven patterns
- AWS or cloud infrastructure familiarity
- Comfort shipping iteratively in a fast paced, high growth startup
- Strong communication and collaboration skills
Full Job Posting
About Feathery
- Feathery automates data intake workflows for insurance and wealth management firms.
- Industry leaders rely on Feathery to power mission critical workflows like underwriting, client onboarding, and automated account openings.
- With rapid revenue growth and expanding enterprise demand, we’re scaling our engineering team to support increasingly complex, data intensive workflows across our platform.
Why We’re Hiring
- Feathery is building an AI native product experience — from a conversational workflow builder that creates complex forms and logic on behalf of users, to intelligent document extraction and multi LLM orchestration.
- As our AI capabilities become central to the product, we're hiring a Full Stack Engineer to join the AI team and build these features end to end — from designing LLM powered services and streaming APIs to crafting the interactive UI that brings them to life.
About The Role
- This is a high ownership role on the AI team which blends: working across the full stack to ship AI powered product features; building systems that orchestrate LLM agents, process documents, and generate workflows; owning the frontend experiences that make them intuitive; working across TypeScript s
- You’ll zoom out to understand system architecture and zoom in to deliver polished, end to end product experiences.
What You’ll Do AI Product Development
- Build end to end AI features from backend services through to frontend UI
- Design and implement LLM agent systems including tool use, planning, and multi step execution
- Develop streaming APIs (SSE) that power real time conversational interfaces
- Own features from concept through production, iterating based on user feedback
What You’ll Do Backend Systems & AI Infrastructure
- Build and scale TypeScript and Python services for AI orchestration and document processing
- Work with multiple LLM providers (Claude, GPT, etc.) and optimize for cost, latency, and quality
- Develop asynchronous pipelines using AWS services (Lambda, SQS, S3, Textract)
- Design APIs and data models that connect AI capabilities to the core platform
What You’ll Do Frontend Experience
- Build responsive, interactive UIs using React and TypeScript
- Implement real time streaming interfaces for conversational AI features
- Collaborate with design to create polished, accessible experiences
- Contribute to frontend architecture and state management patterns
What You’ll Do Cross Functional Collaboration
- Partner with product and design to define AI feature roadmaps
- Integrate with the core platform team on APIs, data models, and SDK surfaces
- Contribute to architectural decisions around agent design, prompt engineering, and system reliability
- Translate customer workflows into AI powered solutions
About You
- 3–6+ years of experience building full stack applications
- Strong TypeScript/JavaScript proficiency with React experience
- Backend experience with Node.js/Express, Python/Django, or similar
- Genuine interest in AI/LLM technology and building AI powered products
- API design experience, including streaming and event driven patterns
- AWS or cloud infrastructure familiarity
- Comfort shipping iteratively in a fast paced, high growth startup
- Strong communication and collaboration skills
Bonus
- Hands on experience building with LLM APIs (Claude, GPT, etc.) — tool use, prompt engineering, or agent architectures
- Document processing, OCR, or data extraction experience
- Experience with streaming protocols (SSE, WebSockets) and real time UIs
- Familiarity with multi model orchestration or AI pipeline design
- High throughput and low latency optimization background
- Financial services or regulated industry experience
- High growth B2B SaaS company background
What We Offer
- Competitive compensation and equity
- Health, dental, and vision coverage
- Unlimited PTO
- Downtown Toronto office location
- Office snacks and lunches
- A supportive, low ego team that values ownership and growth
- Company offsite to connect and recharge
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