Siro · 23 hours ago
Staff Software Engineer, Backend
New York, United States
Full-time
Hybrid
Lead/Staff
10+ years expSiro is redefining how field sales teams learn, perform, and win. The Staff Software Engineer, Backend will build platform and backend systems, own the end-to-end development of key features, and design scalable services that process sales conversations in real-time.
Artificial Intelligence (AI)SalesSoftware
Responsibilities
Build platform and backend systems at Siro, across recording, integrations, AI agents, and more!
Own the end-to-end development of key features, from architectural decisions through implementation, deployment, and support
Design and build scalable backend services that handle real-time processing of sales conversations
Drive technical excellence through thoughtful code reviews, documentation, and engineering best practices
Partner closely with product and design teams to transform customer needs into elegant technical solutions
Own the health of our systems and products, and make data-driven decisions
Help evolve our development practices and tooling to enable sustainable scaling while maintaining velocity
Qualification
Required
10+ years of professional software engineering experience
Excited to work in our NYC office 3+ days a week with the rest of the team
Strong proficiency in modern programming languages, databases, API frameworks, and cloud platforms (like GCP)
Strong problem solver, with the ability to think critically and approach challenges with a first-principles mindset
Strong communication skills, able to articulate complex technical concepts to both technical and non-technical stakeholders
Preferred
Collaborative team player with a 'we before me' mindset, always ready to support and elevate your colleagues
High standards for excellence and aren't afraid to voice your opinion to push for quality
Think strategically beyond code, considering business and design implications in your work
Actively leverage AI coding tools to assist you during development
Thrive in an agile environment with low management overhead
Creative and can think outside the box to solve complex problems in innovative ways
Continuously look to grow your skills and your impact
Benefits
Growth: Join a rapidly scaling Series B startup with proven product-market fit
Technology: Work with cutting-edge AI technologies and a modern tech stack
Team: Collaborate with an experienced CEO (previously built a successful sales tool used by 100,000+ reps) and top-tier team
Ownership: Take end-to-end ownership of features that directly impact our users
Learning: Work across the full stack and grow your technical breadth
Impact: Help democratize sales success and create opportunities for millions of sales professionals
Company
Siro
Siro builds an AI Coach that identifies opportunities to elevate any sales team.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$68MKey Investors
SignalFire
2025-05-21Series B· $50M
2023-10-25Series A· $14M
2023-10-25Seed· $4M
Leadership Team
Jake Cronin
Founder & CEO
Recent News
Soma Capital
2026-01-23
Index Ventures
2026-01-05
2025-12-05
Company data provided by crunchbase