Senior Software Engineer
At a glance
Senior Software Engineering role at Adonis. New York · full-time · $190,000–$210,000 base.
techroles summary, based on the employer's posting.
What you'll do
- Design and deliver reliable agent-based AI systems that can operate at enterprise scale
- Set technical direction for the backend AI team through code, design feedback and mentorship
- Explore new AI methods and turn useful findings into dependable engineering practices
- Evolve services while keeping the architecture straightforward and the code maintainable
What you bring
- At least five years in professional backend engineering
- A computer science degree or a related technical background
- Strong Python skills, including experience with a framework such as FastAPI or Flask
- Hands-on AWS experience and work with an agent orchestration framework
Who this fits
This is a senior individual-contributor role with technical leadership and mentoring responsibilities. You should be comfortable making progress amid ambiguity and communicating clearly. The role requires working from the New York City office at least three days each week.
From the employer
About the role
We're building enterprise-grade AI, and we need a Senior Software Engineer to be the technical anchor of a growing team. You'll design and ship the agentic systems that make our product work at scale, set the engineering bar for everyone around you, and stay close enough to the research frontier to bring the best ideas into production. This is a high-ownership role for someone who wants their work to define how the team builds.
What You'll Do
Build robust AI systems | Design and ship testable, production-grade agentic AI systems that hold up at enterprise scale
Lead by example | Serve as the lead IC and technical standard-bearer for a growing backend AI team — through code, design reviews, and mentorship
Push the state of the art | Research emerging techniques and translate them into practical, reliable engineering practices
Design lean systems | Extend and evolve our services while keeping complexity low and the codebase maintainable
Who You Are
Formal background in CS or a related technical discipline (MS a plus)
5+ years of professional backend engineering experience
Deep expertise in Python and its ecosystem (FastAPI, Flask, or similar)
Experience with agent orchestration frameworks (LangGraph, LlamaIndex, or similar)
A craftsperson who writes elegant, well-tested code — with or without AI assistance
A strong systems designer with hands-on AWS experience
Comfortable moving fast in ambiguous situations that require clear communication
Excited to work in person at our NYC office 3+ days per week
The base salary range for this position is $190,000 to $210,000. Base pay offered may vary depending on job-related knowledge, skills, and experience. In addition to base salary, we also offer competitive equity and benefits packages.
About Adonis
Adonis is the leading AI orchestration platform for healthcare revenue cycle management (RCM), purpose-built for healthcare organizations seeking to transform their revenue operations. Traditional RCM processes often struggle with inefficiencies, costing providers up to 15% or more of their potential revenue. Through advanced automation, data science, and AI Agents, Adonis helps revenue teams detect vulnerabilities, optimize workflows, and deploy precise solutions that drive reliable and scalable financial outcomes.
Adonis is headquartered in New York City and has raised over $95M in funding, including a recent $40M Series C round led by Quadrille Capital with continued support from existing investors such as General Catalyst and Bling Capital. This funding supports our mission to restore sanity to RCM and equip provider groups and health systems with AI-driven revenue cycle operations at scale.
Compensation Philosophy
Actual base pay will depend on job-related knowledge, skills, and experience. Adonis determines compensation based on each candidate’s experience and qualifications relative to peers, and most new hires fall near the middle of the range. In addition to base salary, you’ll receive meaningful equity and great benefits.
Perks at Adonis
Competitive equity packages
Employer-paid medical insurance
Employer-paid dental insurance
Employer-paid vision insurance
Employer-funded HSA
Parental leave
Commuter benefits
Office lunches every day
Office snacks
Generous PTO
Located in 3 World Trade Center with easy access to all trains and the PATH, and amazing views of the city
Adonis is proud to be an equal-opportunity employer. We are committed to building a diverse and inclusive culture that celebrates authenticity to win as one. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, disability, protected veteran status, citizenship or immigration status, or any other legally protected characteristics.
At Adonis, we fully comply with the Americans with Disabilities Act (ADA). We are dedicated to embracing challenges and creating an accessible, inclusive workplace for all individuals.
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