Semi Senior Software Developer (JavaScript/TypeScript) in Merc1

Merc1 is a fast-growing startup building a multi-agent AI platform to automate the real estate sales funnel. Our mission is to blend cutting-edge AI with the practicality of real estate to create scalable, end-to-end solutions. As an early-stage company with real traction and significant technical challenges ahead, you will join a team that values problem solving, architectural clarity, and impact. You will contribute to projects that push the boundaries of AI agent coordination, data pipelines, and real-time interactions, helping us transform how real estate is bought and sold.

Applications are only received at getonbrd.com.

We are seeking a seasoned software engineer with a strong background in building scalable web applications using JavaScript/TypeScript, React, and PostgreSQL. The ideal candidate combines hands-on development with an eye for scalable architecture and a collaborative mindset. You should be comfortable working in a fast-paced startup environment, making pragmatic trade-offs, and driving features from idea to production.

Required skills include 4+ years of professional software development experience, deep knowledge of JavaScript/TypeScript, React, PostgreSQL, and Git. You should have experience with unit and end-to-end testing (Jest), and be familiar with Agile methodologies (Scrum).