Full-Stack Software Engineer

September 26

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Siena AI

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Artificial Intelligence • eCommerce • SaaS

Siena AI is an advanced autonomous customer service platform designed for commerce, integrating human empathy with AI to enhance customer experience. By handling over 80% of daily customer interactions, Siena AI helps companies streamline support while maintaining a consistent, empathetic brand voice across multiple channels. Siena provides real-time, omnichannel management and leverages powerful AI models for cognitive reasoning and multilingual support, transforming customer service into a strategically automated, revenue-driving function. The platform supports various integrations, allowing seamless deployment across modern commerce tools and communication channels for improved customer satisfaction and engagement.

11 - 50 employees

🤖 Artificial Intelligence

🛍️ eCommerce

☁️ SaaS

📋 Description

• Own projects end-to-end, developing and optimizing features within an AI-powered customer support automation platform • Work closely with Product to break down scope into iterative, high-impact releases and shape the roadmap • Design, build, and maintain scalable features across the full stack (frontend, backend, and infra) • Integrate cutting-edge LLM capabilities into enterprise customer support workflows • Solve complex engineering challenges, from optimizing API performance to refining microservices architecture • Maintain and improve cloud infrastructure (AWS) with a DevOps mindset • Exercise high agency and ownership—take initiative, make decisions, and drive ideas to production • Ship reliable, high-performance systems powering millions of monthly customer interactions

🎯 Requirements

• 3+ years building in Node.js, React, TypeScript, and Express • Strong with PostgreSQL, Redis, and cloud environments (AWS: Fargate, Lambda, EC2, SQS) • Familiar with CI/CD (CodePipeline, GitHub Actions, or similar) • Experience with microservices and scalable systems • Product-driven—care about the impact of what you ship • AI-first—comfortable using Cursor and Claude Code and orchestrating coding agents • Naturally curious and proactive; high agency and ownership • Bonus: Next.js, Python, or event-driven architectures • Bonus: Infra-as-code (Terraform, CDK) • Bonus: Experience integrating with LLMs in production

🏖️ Benefits

• Great salary • Opportunity for equity or stock grants • Learning budget • Premium AI/tool accounts (ChatGPT, Claude, Perplexity Pro, Cursor, Lovable) • Quarterly budget for new tools • Globally distributed remote team