Senior Software Engineer, Internal Tools

Syllo

2d•$160,000 - $200,000•Remote

About The Position

The Senior Software Engineer, Internal Tools will amplify internal productivity by building and expanding flexible, AI-first software that helps Syllo scale smoothly. The role owns custom tools that support efficient operations across departments, including document and contract parsing engines, interactive Slack applications, and operational utilities. AI is integral to the engineering workflow. The engineer will use modern AI coding agents and automated testing tools to work at high velocity while maintaining strong system design, code clarity, and reliability. The role also involves building AI-assisted testing and evaluation capabilities, assessing LLM-backed workflows, and developing tools tailored to changing needs across Finance, Legal, Customer Success, and Revenue Operations. The position is remote in the United States. Compensation is a competitive base salary plus equity options, with a stated range of $160,000 to $200,000.

Requirements

At least 5 years of professional software engineering experience, including ownership of production software systems.
Consistent experience using AI coding agents or assistants in a modern software development workflow.
Experience building automated testing workflows or evaluation systems for AI/LLM applications.
Hands-on experience integrating large language model APIs into user-facing applications or internal platforms.
Experience building internal applications, workflow automation, or platform services used daily by non-technical teams.
Proficiency in Python and modern frontend frameworks such as React, along with practical experience using web APIs and cloud integrations.
Bachelor's degree in computer science or a technical field, or equivalent practical experience.
Ability to build readable, modular, and well-instrumented code that supports collaboration.
Ability to translate open-ended business needs into functional, user-friendly internal tools.

Nice To Haves

Experience with document processing, contract workflows, or legal technology.

Responsibilities

Build, maintain, and scale internal software tools, including document and contract parsing engines, interactive Slack applications, and custom operational utilities.
Use AI coding agents and assistants to accelerate development while applying engineering judgment to ensure clean, well-architected code.
Implement automated testing strategies and evaluation pipelines using AI tooling.
Build scoring frameworks and evaluation harnesses to assess and improve the reliability and accuracy of LLM-backed workflows.
Partner with Finance, Legal, Customer Success, and Revenue Operations to create tools tailored to evolving processes.
Collaborate on best practices for integrating AI-generated code into the codebase and share methodologies with the engineering team.