Synthio Labs

About the Role Synthio is looking for a hands-on Software Engineer who enjoys building end-to-end systems and shipping production-grade products. This role sits at the intersection of backend engineering, AI systems, and infrastructure. You’ll work on LLM-powered and voice-enabled applications, integrate external APIs, and own services from design through deployment and operation. You’ll join a small, fast-moving team building real-world software for healthcare and pharma, where reliability, performance, and correctness are non-negotiable. We value engineers who take ownership, move quickly, and are comfortable operating across the stack. What You’ll Do - Build and maintain backend services that power AI- and LLM-driven products - Design and implement APIs, data flows, and service integrations - Productionize LLM-based workflows (prompting, retrieval, orchestration, evaluations) - Deploy and operate services with a focus on low latency, high availability, and robustness - Design and manage infrastructure (containerization, cloud services, CI/CD) - Work on voice-enabled systems (STT/TTS, streaming APIs) as part of end-user experiences - Monitor, debug, and optimize systems for performance, reliability, and cost - Collaborate closely with founders and product stakeholders to turn ambiguous requirements into scalable software - Own features and services end-to-end, from initial design to production support - What We’re Looking For - 1–3+ years of experience in software engineering or backend-focused roles - Strong proficiency in Python - Experience designing and building APIs and backend systems - Hands-on experience working with LLM APIs (OpenAI, Anthropic, or similar) - Comfort with cloud infrastructure and DevOps fundamentals (Docker, AWS ECS/EKS/Lambda, observability, basic security) - Interest in AI-powered systems, including voice and conversational interfaces - Solid systems and architecture thinking, with a pragmatic approach to tradeoffs - Ability to work with incomplete specs and make sound engineering decisions independently Why This Role Matters At Synthio, we build software that directly supports patients, physicians, and pharma teams. This is production software, not prototypes or demos. The systems you build will be used in real workflows, under real constraints, and at real scale. You’ll have meaningful ownership and a clear line of sight from your code to real-world impact. Perks - Competitive salary - Remote-friendly - Team offsites in San Francisco

Executive Assistant About the Role Synthio is looking for a highly organized and proactive Executive Assistant to support our leadership team and help drive operational efficiency across the company. This role sits at the intersection of operations, communication, and execution—ensuring that priorities are managed, workflows run smoothly, and the team can focus on building and scaling the business. You’ll work closely with founders and senior leaders in a fast-moving environment, managing schedules, coordinating projects, and handling a wide range of administrative and operational tasks. This is a high-trust role with significant visibility across the company. You’ll join a small, fast-paced team building real-world software for healthcare and pharma, where attention to detail, reliability, and strong execution are critical. We value individuals who take ownership, anticipate needs, and thrive in dynamic environments. What You’ll Do - Manage complex calendars, scheduling, and prioritization for leadership - Coordinate internal and external meetings, including agendas, notes, and follow-ups - Support day-to-day operations, ensuring tasks and workflows are executed smoothly - Assist with project coordination across teams, tracking progress and deadlines - Handle communications on behalf of executives, including email and stakeholder coordination - Organize travel, logistics, and company events (including team offsites) - Prepare documents, presentations, and reports for internal and external use - Maintain systems and processes to improve efficiency and organization - Act as a point of contact across teams, helping unblock issues and streamline communication - Take on ad hoc projects and operational tasks as needed What We’re Looking For - 1–4+ years of experience in an executive assistant, operations, or similar role - Strong organizational and time management skills - Excellent written and verbal communication - High attention to detail and ability to handle multiple priorities - Ability to operate independently and make sound decisions with limited guidance - Comfort working in fast-paced, ambiguous environments - Strong judgment and discretion when handling sensitive information - Familiarity with productivity tools (Google Workspace, Notion, Slack, etc.) - A proactive mindset—anticipates needs rather than reacting to them Why This Role Matters At Synthio, we’re building software that directly supports patients, physicians, and pharma teams. This role is critical to keeping the company operating effectively as we scale. You’ll enable leadership to focus on high-impact work while ensuring that the broader organization runs smoothly. You’ll have high visibility, meaningful responsibility, and a direct impact on how the company operates day-to-day. Perks - Competitive salary - Remote-friendly - Team offsites in San Francisco