Senior Infrastructure Software Engineer

Senior Infrastructure Software Engineer (Medical AI Platform) Location: Miami, Florida Employment Type: Full-time Work Arrangement: Hybrid (In the new Miami, FL office) About The Role Our client is the world’s leading AI medical information platform, valued at $1 billion and backed by investors including Sequoia Capital and the Mayo Clinic. Their platform is used by healthcare providers worldwide to deliver accurate, sourced, and cited answers from peer‑reviewed medical literature at the point of care. They are seeking a Senior Infrastructure Software Engineer to join the Core Engineering team. This is a mission‑critical role with significant technical scope and direct patient impact. You will architect and scale the entire infrastructure ecosystem, handling sensitive medical data at scale while ensuring the platform is both highly innovative and extremely reliable. Responsibilities Architect and scale systems: Drive architectural decisions and initiatives across performance optimization, infrastructure design, security, and data pipelines. Backend development & operation: Design, implement, and operate new backend services and APIs, ensuring high reliability and low latency. Site reliability: Own and operate key backend production services and institute technological and operational processes to improve site reliability. DevOps & CI/CD: Develop and troubleshoot robust CI/CD pipelines. Resource optimization: Maintain and optimize key backend resources, such as databases, caches, and load balancers. Collaboration: Coordinate closely with fellow software engineers, ML engineers, and product designers to execute platform requirements. On‑call: Participate in a limited on‑call escalation rotation (about one week per month, daylight only). Requirements 4+ years of experience as a Senior Infrastructure Software Engineer or Platform Backend Engineer. Prior experience should be at a growth‑stage (Series D+) startup or large‑scale tech company. A proven track record of building and scaling production systems. Thrives in a focused startup environment and is energized by building highly reliable healthcare infrastructure. Benefits Salary: $200 k – $250 k Equity: Competitive Visa Sponsorship: Available Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search. Commitment to Equality and Accessibility At MLabs Ltd we are committed to offering equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and provide information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or would like to see the job‑advert in an accessible format please let us know at the earliest opportunity by emailing human‑resources@mlabs.city. MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting legal@mlabs.city. #J-18808-Ljbffr