Senior Full Stack Engineer

Project Overview

Our client is seeking a Senior Full Stack Engineer to join a small, highly skilled product engineering team. This role focuses on building an AI-powered copilot platform that helps B2B organizations automate prospecting and pipeline generation. The solution integrates with CRM systems, email platforms, and Slack while leveraging modern AI technologies and agent frameworks.

This is a hands-on engineering role for a backend-leaning full stack developer who enjoys working in a fast-paced environment, solving complex problems, and delivering customer-facing features. The technology stack is primarily TypeScript across the entire platform, with approximately 60% backend and 40% frontend responsibilities.

Key Responsibilities

• Design, build, and maintain customer-facing product features.
• Develop scalable backend APIs and services using TypeScript and Node.js.
• Build and enhance AI-powered workflows and agent-based capabilities.
• Integrate applications with CRM platforms, email systems, and collaboration tools.
• Work across the full software development lifecycle, from requirements through deployment.
• Collaborate with product, engineering, and cross-functional stakeholders to deliver solutions.
• Operate and maintain cloud-based applications within AWS environments.
• Contribute to system design discussions and technical decision-making.

Required Qualifications

• Bachelor's degree in Computer Science from a recognized U.S. institution.
• Minimum 7 years of professional experience using TypeScript as a primary programming language.
• Strong experience building and operating applications on AWS.
• Proven experience delivering production AI/LLM features used by external customers.
• Experience working in startup environments or small engineering teams.
• Must be based in the United States.
• Strong understanding of software engineering fundamentals, including data structures, algorithms, and system design.

Technical & Soft Skills

Required Technical Skills

• TypeScript
• Node.js
• AWS
• Production AI/LLM development
• Full Stack Development
• API Development
• System Design

Preferred Technical Skills

• LangChain
• LangGraph
• AI Agents and Copilot Applications
• Salesforce Integrations
• HubSpot Integrations
• Outlook and Gmail APIs
• Slack Integrations

Preferred Background

• Experience at leading technology companies such as Amazon, AWS, Microsoft, Google, Stripe, Salesforce, HubSpot, Twilio, Databricks, OpenAI, Apple, Meta, Uber, or Airbnb.
• Experience building AI-powered products within B2B SaaS organizations.
• Experience contributing to customer-facing AI agents or copilot solutions.

Soft Skills

• Ability to work effectively in ambiguous environments.
• Strong problem-solving and analytical thinking skills.
• Ability to evaluate tradeoffs and make sound technical decisions.
• Strong communication and collaboration skills.
• Demonstrated ownership and accountability for delivering outcomes.

Candidate Considerations

Candidates are expected to demonstrate real-world experience building and shipping products under uncertain or evolving requirements. During the interview process, the hiring team places significant emphasis on problem-solving, structured thinking, technical judgment, and ownership of delivered solutions.