Lead Engineer, AI Internal

Sarsfield Group; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Sarsfield Group in the United States is seeking a hands-on software engineer to build AI-powered internal tools from concept to production. You will translate business needs into practical product and technical solutions, shipping features that automate workflows and improve decision-making.

As part of a small senior team, you’ll own end-to-end execution, collaborate with technical and non-technical colleagues, and iterate rapidly.

Qualifications

• What You Will Need: Experience with backend, full-stack, or platform development
• What You Will Need: Strong programming fundamentals and problem-solving ability
• What You Will Need: Experience building and shipping production software, AI applications, or automation systems
• What You Will Need: Strong ownership mindset and comfort with ambiguous problems
• What You Will Need: Comfortable working independently in a fast-paced startup environment
• What You Will Need: Ability to communicate effectively with both technical and non-technical teams
• What You Will Need: Experience with APIs, databases, cloud infrastructure, and AI integrations is a plus

Responsibilities

• Build AI-powered internal tools and systems from concept to production
• Identify opportunities where AI can improve internal workflows and operations
• Design and implement intelligent workflows, automations, and integrations
• Translate business needs into practical product and technical solutions
• Work closely with teams across the company to understand problems and deliver impactful solutions
• Own end-to-end execution, from idea generation to deployment and iteration

Job description

Our client is an early-stage AI company building proactive, AI-native versions of everyday applications like email, notes, tasks, and calendar. The product is designed for people who aren't used to complex prompting, bringing intelligence to conversations, errands, organizing, and workflows with minimal input from the user.

The team is focused on high reliability for long-running workflows, persistent context, and real-world task completion, with the goal of significantly reducing hallucinations. The broader mission is to help people organize their lives so they can spend time on what matters most.

About the Role

The company is building AI-powered internal systems to transform how it operates. You'll identify opportunities across People, Finance, Operations, Recruiting, and other business workflows, and build AI solutions that improve efficiency, automate repetitive processes, and support better decision-making.

What You Will Do

Build AI-powered internal tools and systems from concept to production

Identify opportunities where AI can improve internal workflows and operations

Design and implement intelligent workflows, automations, and integrations

Translate business needs into practical product and technical solutions

Work closely with teams across the company to understand problems and deliver impactful solutions

Own end-to-end execution, from idea generation to deployment and iteration

What You Will Need

Experience with backend, full-stack, or platform development

Strong programming fundamentals and problem-solving ability

Experience building and shipping production software, AI applications, or automation systems

Strong ownership mindset and comfort with ambiguous problems

Comfortable working independently in a fast-paced startup environment

Ability to communicate effectively with both technical and non-technical teams

Experience with APIs, databases, cloud infrastructure, and AI integrations is a plus

How the Team Works

This is a small, senior, hands-on team. Engineers own features end to end, from design discussion through production monitoring. Code reviews and design reviews are expected for all meaningful changes. The team discusses architecture openly, makes decisions quickly, and ships frequently.