Agent Engineer, TLM

hackajob is collaborating with Sierra to connect them with exceptional professionals for this role.

At Sierra, we’re creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in‑person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family.

What you’ll do:

• Lead the design and delivery of production‑grade AI agents: You’ll manage and grow a team of engineers building highly performant, reliable, and intuitive AI agents that are central, mission‑critical, and directly drive Sierra’s growth.
• Own the Agent Development Life Cycle (ADLC): You’ll guide your team through the full lifecycle—from initial pilot through deployment and continuous iteration—coaching engineers to set and maintain the standard for ADLC best practices.
• Partner with large enterprises and cutting‑edge startups: You’ll collaborate with leaders at some of the world’s largest enterprises to understand their most pressing business challenges.
• Shape the future of the platform: Your team’s direct work with customers will guide the evolution of Sierra’s core platform.

What you’ll bring:

• Experience leading engineering teams that build and scale end‑to‑end production systems.
• Strong technical problem‑solving skills and the ability to guide teams through ambiguous, fast‑changing environments.
• A leadership style that blends high standards with empathy, fostering both speed and quality.
• Proven ability to work closely with customers and translate business needs into technical deliverables.
• Excellent communication skills across technical and non‑technical audiences.
• Degree in Computer Science or related field, or equivalent professional experience.

Even better...

• AI‑related experience (experience developing AI agents a plus).
• Experience building or deploying AI/LLM systems in production.
• Background as a founder, engineering lead, or startup builder with high ownership and urgency.
• Familiarity with tools for today’s AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering.
• Prior experience with React, TypeScript, and/or Go.
• Experience interfacing with customers or leading technical projects with external stakeholders.

Our values:

• Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness.
• Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes.
• Craftsmanship: We get the details right, from the words on the page to the system architecture.
• Intensity: We know we don’t have the luxury of patience. We play to win.
• Family: We know that balance and intensity are compatible, and we model it in our actions and processes.

What We Offer:

• Flexible (unlimited) paid time off.
• Medical, dental, and vision benefits for you and your family.
• Life insurance and disability benefits.
• Retirement plan dependent on country of employment.
• Parental leave.
• Fertility and family building benefits through Carrot.
• Lunch, as well as delicious snacks and coffee to keep you energized.
• Discretionary benefit stipend giving people the ability to spend where it matters most.
• Free alphorn lessons.

We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.