Founding Engineer

About Trinity Outsourcing Solutions

Trinity Outsourcing Solutions is dedicated to connecting talented professionals with dynamic career opportunities across the world. As a trusted HR partner, Trinity offers a pathway for skilled individuals to work in roles that align with their expertise and support their career advancement. Known for fostering a supportive and growth‑focused environment, Trinity provides hands‑on experience and tailored opportunities for development. By prioritizing meaningful placements, Trinity enables professionals to unlock their potential and make a lasting impact within innovative companies.

• Build AI for decision‑makers: you’ll be able to point to real leaders – mayors, congressmen, CEOs – and know your work helped power offices that impact millions
• Own the intelligence layer from day one: not just prompts, but the systems that turn messy executive context into reasoning, briefings, and decisions
• True founding ownership: ship end‑to‑end, work directly with customers, and help define the technical DNA of the company

Location: San Francisco

Setup: Onsite

We’re hiring a Founding Engineer to build the AI‑native operating system for modern leadership. You’ll work directly with the CEO and founding team to ship features, design core systems, and solve real‑world problems for high‑stakes teams.

You’ll touch everything – backend, frontend, AI, infrastructure, and security – shaping product direction and engineering culture from day one. If you thrive in ambiguity and love shipping fast, this role is for you.

• Within weeks:
  • Ship core agentic workflows that executive teams rely on day‑to‑day
  • Use ingestion and structuring of data to create actionable context
  • Work directly with customers to understand how their offices operate and where Chief can embed in their daily workflows
• Within months:
  • Help shape Chief’s core architecture and AI workflows for executive reasoning and decision‑making
  • Build upon personalization and intelligence used across briefings, tasks, and relationships
  • Prototype and iterate with voice‑to‑text, surfacing recommendations, and more

• 4+ years of experience shipping full‑stack, production‑grade products
• Early‑stage startup experience building 0 to 1.
• Strong Python + Typescript + React experience
• Hands‑on experience building AI‑native features (LLMs, agents, RAG, embeddings)
• Fluent using AI across product development – prototyping, coding, testing
• Product‑driven and customer‑obsessed
• Bonus: experience working with government or regulated industries
• U.S. citizen eligible for security clearance

• Title:
  
  Founding Engineer
• Salary: $150 - $180K
• Equity:
  Meaningful early‑stage ownership
• Benefits:
  Health insurance