Staff Software Engineer, Backend

Siro

• $150K — $180K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of professional software engineering experience
  • Proficiency in modern programming languages, databases, API frameworks, and cloud platforms
  • Strong problem solver with a first-principles mindset
  • Excellent communication skills for articulating technical concepts
  • Willingness to work in the NYC office 3+ days a week

Responsibilities

  • Build platform and backend systems, including AI integrations
  • Own end-to-end development of key features from design to deployment
  • Design scalable backend services for real-time processing
  • Drive technical excellence through code reviews and best practices
  • Collaborate with product and design teams to develop technical solutions
  • Maintain system health and make data-driven decisions
  • Evolve development practices for sustainable scaling and velocity

Benefits

  • Opportunity to join a rapidly scaling Series B startup
  • Access to cutting-edge AI technologies and modern tech stack
  • Collaborate with an experienced CEO and top-tier team
  • Take ownership of impactful features
  • Develop technical skills across the full stack
  • Contribute to democratizing sales success for many professionals
Full Job Description
Key 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
Requirements
  • We expect 10+ years of professional software engineering experience.
  • You are excited to work in our NYC office 3+ days a week with the rest of the team.
  • You have strong proficiency in modern programming languages, databases, API frameworks, and cloud platforms (like GCP)
  • You are a strong problem solver, with the ability to think critically and approach challenges with a first-principles mindset.
  • You have strong communication skills, able to articulate complex technical concepts to both technical and non-technical stakeholders.
Our Tech Stack

In case you're curious, we use the following technologies (and more), but proficiency in any specific technology is not required.
  • Frontend: Next.js, React Native, TypeScript
  • Mobile: Swift, Kotlin
  • Backend: Node.js, Typescript, serverless functions
  • Cloud: Google Cloud Platform (GCP)
  • Other tools: Git, Datadog, Figma
Why Join Siro?
  • 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
What Sets You Apart
  • You're a collaborative team player with a "we before me" mindset, always ready to support and elevate your colleagues.
  • You have high standards for excellence and aren't afraid to voice your opinion to push for quality.
  • You think strategically beyond code, considering business and design implications in your work.
  • You actively leverage AI coding tools to assist you during development.
  • You thrive in an agile environment with low management overhead.
  • You're creative and can think outside the box to solve complex problems in innovative ways.
  • You continuously look to grow your skills and your impact.

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