Staff Software Engineer (Full Stack)

Build and enhance features (especially frontend) for Siro’s direct consumers, creating intuitive user experiences for our AI-powered sales platform

Own the end-to-end development of key features, from architectural decisions through implementation, deployment, and support

Craft intuitive, performant user interfaces that make complex AI insights accessible to our users

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

Help evolve our development practices and tooling to enable sustainable scaling while maintaining velocity

Own the health of our systems and products, and make data-driven decisions

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- You have demonstrated skill in mobile and/or web performance optimization

You are a strong problem solver, with the ability to think critically and approach challenges with a first-principles mindset

We expect 10+ years of professional software engineering experience

You have experience with Node.js and REST API design

You are excited to work in our NYC office 3+ days a week with the rest of the team

You demonstrate strong proficiency in TypeScript frameworks

You have strong communication skills, able to articulate complex technical concepts to both technical and non-technical stakeholders

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’re a collaborative team player with a “we before me” mindset, always ready to support and elevate your colleagues

You thrive in an agile environment with low management overhead

You actively leverage AI coding tools to assist you during development

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