Sr Founding Full Stack SWE at Syndesus (San Francisco, CA)

Syndesus· San Francisco, CA·16h ago

Role details

Work type

Onsite

Employment

Full-Time

Job description

Senior Founding Full-Stack Engineer

About the Company

Our client is a fast-growing Y Combinator-backed Voice AI startup transforming sales, support, and customer engagement. With $5M in seed funding and approaching $30M ARR already, achieved with just 20 people, they're building the standard for voice automation at scale.

The Role

As a Founding Senior Full-Stack Engineer, you'll build the core platform powering millions of AI-driven conversations. Working with React, TypeScript, and Node.js, you'll create scalable systems and intuitive interfaces that enable seamless customer experiences.

Key Responsibilities

Develop core features including prompt orchestration, dashboards, analytics, and telephony integrations
Build full-stack systems from polished UIs to robust APIs and DevOps workflows
Own projects end-to-end from architecture to production deployment
Create intuitive interfaces enabling rapid customer activation
Support customer onboarding and translate feedback into product improvements

Requirements

2+ years full-stack experience with React, TypeScript, Node.js, or Python
CS/CE degree or equivalent practical experience
Ownership mindset with ability to solve problems independently
Thrives in fast-paced, dynamic environments
Strong communication and collaboration skills

Compensation & Benefits

Salary: $200K - $280k USD
Equity: 0.25% - 0.45%
Schedule: Full-time, 70 hrs/week (50 onsite + 20 remote, flexible hours)
Location: Redwood City, CA
100% medical, dental, vision coverage
Unlimited meals and snacks
Gym and commute reimbursement
Visa sponsorship available (H1B, TN, L-1, E-3, F-1, O-1)

Interview Process

Online coding assessment (25-30 min)
Technical phone interviews (2 rounds)
Onsite/virtual interviews: practical coding, system design, and automation

Why work at Syndesus

High-Impact Work: Employees help solve the single biggest blocker to innovation for top US tech companies: accessing elite AI and engineering talent.
Growth Trajectory: The company is in a rapid growth phase with 25 open roles, offering significant career advancement opportunities for early joiners.
Flexible Work Environment: Offers a mix of remote (Canada, US West Coast), hybrid (Toronto, Frisco, Quebec, New York), and in-office (New York, San Francisco) roles, catering to different working preferences.
Founder-Led & Experienced: Led by Marc Pavlopoulos, a 20+ year veteran of scaling VC-backed tech companies in Silicon Valley, providing strong leadership and operational insight.
Culture: Positioned as a strategic partner, not a transactional recruiter, with a focus on speed, quality, and solving hard problems for clients.

About Syndesus

Company Overview

One-liner: Syndesus builds elite engineering and AI teams in Canada for US-based VC-backed startups, offering a fully-managed Employer of Record (EOR) solution to eliminate cross-border hiring friction.
Entity Type: Private (Bootstrapped)
Headquarters: Toronto, Ontario, Canada
Founded: 2014
Founders: Marc Pavlopoulos

Core Business

Primary industry: Talent-as-a-Service / Professional Employer Organization (PEO) / Technical Recruiting
Target customers: US-based VC-backed technology startups and enterprises needing senior AI, ML, and software engineering talent from Canada
Mission or purpose statement: To accelerate innovation by replacing the slow, transactional hiring model with a seamless, strategic solution that delivers seniority and speed.

Products & Services

[AI Talent Sourcing]: Access to a curated pool of pre-vetted, enterprise-proven senior engineers (AI, ML, data science, full-stack) from Canada. Candidates have track records at major tech companies.
[Employer of Record (EOR)]: Syndesus acts as the legal employer for Canadian talent hired by US companies, handling all payroll, benefits, compliance, and provincial labor law requirements.
[Canada Co-pilot]: An outsourced HR team service for US companies that need deeper support managing the administrative and compliance details of their Canadian workforce.
[Relocation & Immigration Support]: Assistance for foreign-born tech workers (and their US employers) who need options for working remotely in Canada due to visa or immigration issues, including H1-B visa alternatives and Canadian immigration pathways.

Market Standing

Valuation/Market Cap: Not publicly available (private, bootstrapped company)
Key Metric: 63 total employees (as of latest data); 16,000+ LinkedIn followers; 25 open positions listed on careers page
Notable Investors/Partners: Not publicly disclosed (appears to be self-funded)
Growth Signals: Rapid headcount growth with 25 active job openings across Canada and the US (New York, San Francisco, Austin, Frisco, Dallas, San Jose, Quebec, Toronto) in both hybrid and remote roles; expanding into major US tech hubs; strong employer brand on LinkedIn.

Competitive Advantages

Speed: Ability to move from initial consultation to a compliant new hire in as little as three weeks by leveraging a pre-vetted talent pool.
Curated Talent Focus: Specializes exclusively in senior, production-ready AI and engineering talent with enterprise experience, not general staffing.
Full-Stack Friction Removal: Combines elite talent sourcing with a fully-managed EOR solution, eliminating the legal, payroll, and compliance risks of cross-border hiring in a single partnership.
Deep Canadian Network: Canada has one of the deepest AI talent pools in the world, and Syndesus has built a specific pipeline to access it for US companies.

Strategic Focus

Aggressively scaling its own team across North America to meet demand, with a heavy emphasis on senior engineering roles (AI, ML, data, backend, full-stack) and product management.
Deepening its specialization in AI talent as the primary growth driver for its clients.
Expanding its physical footprint into key US tech markets (New York, San Francisco, Austin) while maintaining a strong Canadian HQ presence.

Sources