Fullstack/Backend Developer (API & AI Integration specialist)

Agreement type: This is a full-time employment role with direct hiring by the client.

Hybrid schedule: 3 days on-site in Mile End + 60 remote work days/year.

Location: Open to candidates based in Canada only.

Our company description

Mission is a platform for hiring, vetting, and managing software development talent.

It enables our clients to connect with the world’s best talent to build mission-critical software products.

About the client

The client is building the AI-powered platform transforming how capital is raised in private markets. Venture capital and private equity firms use their technology to run digital closings, streamline investor relations, unlock insights from LP interactions, and deliver a modern investor experience.

Backed by leading VC firms, they’re a small senior team shipping fast across a modern TypeScript, monorepo, and AI-native stack.

Their Mission: To make private markets more transparent, efficient, and human.

About the role

We’re looking for a Fullstack/Backend Developer specializing in APIs and AI integrations to build the next generation of investor workflows.

You will design and implement backend services, RPC endpoints, database structures, and LLM-powered features that help fund managers understand and communicate with LPs.

You’ll work across a modern, strongly-typed monorepo environment (Node.js, TypeScript, Twirp/Protobuf, Postgres/Kysely) and collaborate closely with product and frontend teams.

You’ll have deep ownership, real product influence, and the opportunity to build an industry-defining platform from the ground up.

What You’ll Do

• Build new API endpoints and backend services in Node.js/TypeScript
• Develop AI-powered investor workflows (summarization, insights, categorization)
• Extend internal packages (RPC, utilities) across the monorepo
• Design & optimize relational database schemas and queries (Postgres/Kysely)
• Write robust unit and integration tests
• Improve API performance and scalability
• Experiment with AI/LLM integrations to unlock new product capabilities
• Collaborate with frontend, product, and infra teams

What You Bring

• 4+ years backend-focused engineering experience
• Strong Node.js + TypeScript fundamentals
• Experience building clean, modular, type-safe APIs
• Solid SQL + experience with relational databases
• Familiarity with monorepos (pnpm, Turborepo)
• Interest or experience in AI/LLM development
• Strong testing, code quality, and problem-solving skills
• Comfort working in a small, fast-paced, async-first senior team

Nice to Have

• Experience with Protobuf/Twirp or gRPC
• Prior LLM integrations (OpenAI, Claude, etc.)
• Familiarity with SvelteKit or modern frontend frameworks
• Open-source TypeScript contributions
• Understanding of fund management, fintech, or investor workflows

Compensation & Benefits

• Salary: $110,000–$160,000 CAD, based on value and experience
• Meaningful early-stage equity
• Health & dental coverage above market
• 20 vacation days + 5 sick days
• Company-wide paid shutdown between Christmas and New Year
• Annual offsites with the global team
• Hybrid schedule: 3 days/on-site in Mile End + 60 remote work days/year