Senior Engineering Manager

About Siena

Siena is building enterprise empathic AI Agents powered by reasoning-adept LLMs. Siena is the first AI Agent of its kind, designed to integrate with existing systems and interact with customers across multiple channels from a single, unified platform.

If you're excited about the intersection of human-to-machine communication and want to be part of a team driving innovation and making a real impact in automating agentic workflows, join us on our mission to revolutionize customer experience through empathetic AI.

Our values

We’re not about corporate jargon—here’s what truly matters to us:

• Curiosity and creativity: You always seek new knowledge, ask questions, and explore different perspectives to deepen your understanding.
• Customer empathy: You are driven by our customers’ success. You see needs they can’t articulate.
• Resilience: You bounce back from setbacks, adapt to change, and thrive in the face of challenges.
• Ownership and autonomy: When things break, you fix first, explain later.
• Relationships: You create bonds with your colleagues - building trust and sharing success.
• Craft and speed: You balance vision with pragmatism. Your standards pull everyone higher.
• Open and direct: You share and receive feedback. You are open about what’s working and what not.

The Role:

We're looking for a Senior Software Engineering Manager to guide our engineering efforts, ensuring our technology sets high standards in the industry. This role involves leading and mentoring engineers, enhancing our software design and architecture and driving best practices in software engineering and operations.

What You'll Do at Siena:

• Directly manage engineers, fostering a strong engineering culture of growth and high performance, including goal setting, performance management and career development.
• Lead the engineering process from conception to deployment.
• Lead software design and architectural decisions.
• Collaborate with Product and Design to define project requirements and goals.
• Manage cycle planning and delivery, estimation, engineering resource allocation.
• Conduct code reviews and manage releases.
• Develop solutions for ambiguous problems, collaborating with Product, Design, and Customer Success.
• Apply your experience with Postgres and CI/CD tools to improve our engineering practices.

Who You Are:

• You have at least 5 years of software engineering experience and at least 2 years of experience managing a team of 10+ software engineers.
• You have experience in recruiting, hiring, mentoring and developing engineering talent.
• You have a strong background in software architecture, specifically with highly scalable, robust SaaS applications.
• You have a track record of strong technical judgment and delivering creative solutions that delight customers.
• You have a working knowledge of LLMs, AI or machine learning.
• You're familiar with backend development in NodeJS, Typescript, Express, and AWS services.
• You have experience with Postgres and CI/CD tools like GitLab, GitHub, or Jenkins.

Why Join Us

We’re a startup, so no fancy offices or corporate fluff. But here’s what we do offer:

• Make a real impact. Your work directly shapes our product and company.
• A voice that matters. In a small team, every perspective counts—yours included.
• Work your way. Whether it’s from home, a coffee shop, or a moon base—if you're productive, we’re happy.
• Competitive compensation. Great salary plus the opportunity for equity or stock grants.
• Flexible time off. Take at least 15 days—more if you need it.
• A learning budget. If you're growing, so are we.
• The thrill of building something new. Join us at a stage where your contributions matter most.
• Tackling meaningful challenges. We’re redefining how work gets done through AI.

At Siena, we’re not just looking for people who can do a job. We’re looking for people who want to break boundaries, create the future, and reshape industries. If that’s you, we look forward to your application.

Siena provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities.