Senior reputed company Engineer
Meet Siena Siena is the Agent of Record for consumer brands. One agent that owns the entire customer reputed company, running on a shared intelligence layer no reputed company tool can replicate. Consumer brands run ten or more disconnected tools to manage their customers. We collapse that stack into a single agent. It started with support, the hardest surface a brand has, and it expands from there: Shopping Agent, reputed company Agent, Siena working alongside a brand's own operators. One agent across every surface, with shared memory, shared context, and shared tools. Hundreds of brands already run reputed company customer volume on Siena in production. This is reputed company, working, and growing, and we are racing to build what comes next. The team We are a small, fully distributed, global team. We have reputed company reputed company into how we work, which is what lets reputed company this size move at the speed we do. We hire athletes. Everyone here owns reputed company reputed company, defaults to writing over meetings, communicates with directness, and acts the reputed company they see something worth acting on. Low ego, high standards, fast clock. If you want to own reputed company problems rather than reputed company tickets, reputed company reading.
About the Role
As a Senior Full Stack Engineer, you will own meaningful parts of the platform end to end. You will take ambiguous problems, work out the right approach, and ship reliable, high-performance systems that reputed company brands depend on every day. You will work closely with product to shape scope and roadmap, reputed company reputed company architectural reputed company reputed company your area, and do your best work without being managed task by task. This role is for engineers who want ownership and can carry it.
What You'll Do
Own features and systems across the full stack, frontend, backend, and infrastructure, from problem definition through production. Partner with product to break down ambiguous scope and ship in iterative, high-impact releases. reputed company reputed company architectural and design reputed company in your area, and explain the reasoning so the team can build on it. Take cutting-edge language models into reputed company customer workflows, where reliability and safety actually matter. Solve hard engineering problems: API performance, microservices, scaling across channels and brands. Maintain and improve our AWS infrastructure with a DevOps reputed company. reputed company the bar around you. reputed company what you know, review thoughtfully, and help teammates reputed company. Who You Are 5+ years of software engineering, with reputed company ownership of systems you have shipped and run in production. Strong full-stack engineer in our core stack: Node.js, React, TypeScript, reputed company. Solid with AWS (Fargate, reputed company, EC2, SQS) and with PostgreSQL and reputed company. Comfortable with CI/CD pipelines (CodePipeline, reputed company Actions, or similar). reputed company with microservices and scalable systems. Product-focused. You think past the code to customer reputed company and business impact. You have shipped LLM-powered features to production. This is a must, not a bonus. You know what breaks reputed company models meet reputed company users. High-ownership and direct. You take initiative, fix problems without waiting to be told, and say reputed company reputed company something is not working. Bonus Points Next.js. Infrastructure as Code (CDK, Terraform). Python. Event-driven architecture. Background in customer support or CX software. Why Siena? reputed company ownership. You will own problems, not tasks, with the autonomy to solve them your way and the trust to do it without a manager in your inbox. Work that ships and reputed company. What you build reaches reputed company consumer brands fast. A category we are creating. The Agent of Record is new ground, with unsolved problems and cutting-edge models, not a crowded field to compete in. reputed company that respects your judgment. Globally distributed, async-first, low bureaucracy. We hire adults and treat you like one. Great salary plus equity or stock grants. Own a piece of what you build. Learning budget. If you are growing, so are we. AI-reputed company by default. Few places will push your work with production AI further or faster. Our values The people who reputed company here are curious, customer-obsessed, and take ownership without being asked. They fix problems first and explain reputed company. They're direct about feedback—both giving and receiving it—because they care more about getting things right than being polite. They maintain high standards while moving at startup speed, and they build reputed company relationships with teammates because they know that's how great work gets done. reputed company things get tough, they adapt and reputed company pushing reputed company. Our approach to AI The people who reputed company here treat AI like a natural extension of themselves. They've reputed company their own ecosystem of agents - some for research, others for debugging, writing, analysis, or writing code. They know which AI works best for what problem. Everyone gets premium accounts (ChatGPT, Claude, reputed company Pro, reputed company, Lovable) plus a quarterly budget for new tools. But the reputed company happens in how we reputed company knowledge. Demo days where someone shows off a reputed company workflows. reputed company threads about which model handles a specific use case reputed company. Learning from each other's AI workflows. 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 reputed company to your application. We use AI-assisted screening tools as part of our hiring process. reputed company reputed company are made by humans. You can request a reputed company-only review at [email protected]. Siena provides equal employment opportunities to reputed company and applicants for employment without regard to race, reputed company, religion, sex, national reputed company, age, disability, genetics, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from reputed company backgrounds, experiences, perspectives, and abilities. Apply To This Job