Senior AI Platform Engineer — Build Self‑Service Agents

Frontiers; Vaud; On-site; CHF 140,000 - 210,000; Full time

Benefits offered by this job

Office presence

Wellbeing days

Volunteering days

Employee Assistance Program

Learning Hub

Local benefits

Job summary

Frontiers is building FrontiersOS, an AI-enabled platform that embeds agents across our publishing and data systems. We are hiring a senior engineer with deep backend and infrastructure fundamentals to own large parts of FrontiersOS end to end.

You will work on a full-stack platform in a small team, moving across backend, frontend, orchestration, and surface APIs as the problem demands. You will help shape reliability, security, and scalability while enabling business users to deploy agents and

Qualifications

• 10+ years of engineering experience.
• Backend and infrastructure fundamentals.
• Ability to own cross-cutting problems and drive technical decisions.
• Experience with AI coding agents in development.
• Strong cross-department communication and alignment.

Responsibilities

• Own major areas of FrontiersOS end to end: architecture, roadmap, build and operate across backend, frontend, model orchestration, evals and API surfaces.
• Architect for reliability and scale: define SLOs, observability, and incident response for a mission-critical platform.
• Build in security and governance from day one: permissions, data access boundaries and audit trails.
• Raise the quality bar: lead code/design reviews, write design docs, establish patterns.
• Build for self-service: enable business users to create their own agents, skills, automations, and apps.
• Use AI-assisted development by default, with careful review of generated code.
• Take full accountability for shipped work, including agent-generated components.
• Be the senior engineer inside the team and share knowledge with colleagues.

Skills

Engineering depth

System design

Backend fundamentals

AI fluency

Job description

Frontiers is building FrontiersOS, an AI-enabled platform that embeds agents across our publishing and data systems. We are hiring a senior engineer with deep backend and infrastructure fundamentals to own large parts of FrontiersOS end to end.

You will work on a full-stack platform in a small team, moving across backend, frontend, orchestration, and surface APIs as the problem demands. You will help shape reliability, security, and scalability while enabling business users to deploy agents and