Software Engineer (AI Agents)

Hoshii AG; Zürich; Vor Ort; CHF 80.000 - 120.000; Vollzeit

Benefits dieser Stelle

Autonomy and Ownership

World-Class Team

Amazing Office Location

Zusammenfassung

Hoshii AG is seeking a Software Engineer in Zürich to join their AI team. You will be responsible for building intelligent systems that enhance agent capabilities and integrating AI solutions to automate workflows. The ideal candidate has strong coding skills, experience in LLM-based systems, and a proactive approach to project ownership. Enjoy autonomy, work with a world-class team in a comfortable lakeside office, and drive impactful projects forward.

Qualifikationen

• Proven experience building LLM-based systems and AI agents.
• Excellent communication skills in English.
• Strong sense of ownership and leadership in projects.

Aufgaben

• Design and ship Computer Use Agent capable of operating desktop applications.
• Architect and maintain the Knowledge Base for agent memory.
• Integrate AI systems to automate workflows.
• Implement evaluation frameworks for consistent agent quality.
• Monitor and troubleshoot production issues.

Kenntnisse

Strong coding and debugging skills

Experience with LLM-based systems and AI agents

Proficiency with RESTful API design

Familiarity with microservices architecture

Familiarity with relational databases (Postgres)

Familiarity with No-SQL (MongoDB)

Familiarity with knowledge graphs and graph databases (Neo4j)

Excellent communication skills in English

Strong sense of ownership

Familiarity with CUA

Jobbeschreibung

Join our AI team as a Software Engineer to build the intelligence layer that makes our agents think, learn, and act.

Key Responsibilities

Design and ship Computer Use Agent (CUA) capable of autonomously navigating and operating desktop applications.

Architect and maintain the Knowledge Base, the continuously evolving memory, that makes our agents smarter, more personalized, and more accurate over time.

Integrate AI systems within our platform to automate manual workflows and surface actionable data insights.

Implement LLM-as-a-Judge evaluation frameworks to ensure reproducibility and consistent quality across agent behaviors.

Monitor and troubleshoot production issues affecting our AI workloads, and promptly assist the team by providing data and insights to expedite resolution.

Write clean, tested, maintainable code and documentation.

Your Profile

Strong coding and debugging skills.

Proven experience building LLM-based systems and AI agents.

Proficiency with RESTful API design and familiarity with microservices architecture.

Familiarity with relational databases (Postgres) and No‑SQL (MongoDB).

Familiarity with knowledge graphs and graph databases (Neo4j).

Excellent communication skills in English.

Strong sense of ownership: you love to take the lead on projects and ensure they reach success.

Plus: Familiarity with CUA.

Benefits

Autonomy and Ownership – You’re in charge of your time at Hoshii; decide what you want to do, align with the team, and go for it!

A World-Class Team – We’re a team of servant leaders who work hard and put customers first; we hail from top companies and universities, and we hold ourselves to the highest standards.

Amazing Office Location – We have a lakeside location in Zürich with cozy corners to relax, fostering a comfortable environment where you can thrive.