What are the responsibilities and job description for the Senior Software Engineer position at Harnham?
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
- 6–7 years of software engineering experience
- Strong CS fundamentals (data structures, algorithms, architecture)
- Experience with AWS services and containerized environments (Docker/Kubernetes)
- Proficiency in backend development (Java, Python, or similar)
- Exposure to frontend frameworks is a plus
- Familiarity with distributed systems and high-performance architectures
Why Apply?
- Competitive compensation bonus equity
- Work on industry-disrupting AI solutions
- Collaborative culture with real impact
- Relocation support and hybrid flexibility
Salary : $180,000 - $230,000