Senior Software Engineer

Senior Software Engineer – Build Next-Gen Conversational Platforms

📍 Location : Chicago, IL (Hybrid – 3 days onsite)

💰 Salary : $230K base + 15% bonus + equity

About the Opportunity

Harnham is working with a fast-growing AI technology company that is building a next-generation agentic voice platform for enterprise-scale customer engagement. This organization partners with Fortune 50 businesses across healthcare, finance, and retail and is backed by leading investors with over $25M in funding.

They are scaling rapidly and seeking an experienced Senior Software Engineer to join their engineering team and help shape the future of conversational AI.

The Role

You’ll design and build core platform components , working on backend services and APIs that power real-time voice applications. This role requires strong CS fundamentals, experience in scalable architectures, and collaboration with ML engineers and product teams.

Key Responsibilities

• Develop backend services and APIs for high-concurrency, real-time applications
• Design scalable, secure architecture for cloud-based systems
• Work across backend and some frontend layers (full-stack experience is a plus)
• Implement solutions in AWS ecosystems (EKS, Lambda, S3)
• Optimize data models and pipelines using Postgres
• Collaborate with ML engineers and DevOps to integrate AI models into production
• Mentor junior engineers and establish best practices in coding, testing, and CI / CD

What We’re Looking For

Why Apply?