Senior Full Stack Software Engineer at Imo Online

At IMO Health, clinicians, software engineers, and data scientists work together to combine computer science with medical expertise, helping healthcare professionals access high-quality health information at the point of care. Our technology powers clinical decision-making for a large share of U.S. clinicians, where reliability, accuracy, and availability are critical. We are seeking a Senior Full Stack Software Engineer to help design, build, and operate high-quality, highly available backend services that power search at scale, and to contribute to the ongoing evolution of IMO Health’s Terminology Search Platform across scalability, automation, and intelligent search. In this hands-on role, you will be part of the team responsible for building and operating IMO Health’s high-availability Terminology Search platform. You will develop and maintain backend services including .NET REST APIs, shared authentication services, Spark and AWS Glue data integration pipelines, search and graph data layers, and AWS infrastructure provisioned with Terraform and Octopus. You will also contribute to monitoring, alerting, and test automation, leverage AI tools to accelerate development, and collaborate closely with engineers, architects, product managers, and customer support partners in an engineering-first, agile environment.  WHAT YOU’LL DO: • Design, develop, and maintain full-stack platform components and services • Build and evolve REST APIs using C#/.NET • Develop and maintain Spark-based data integration pipelines in AWS environments • Build, deploy, and operate search and data platforms that support high availability and scale • Write high-quality, maintainable code with automated tests, CI/CD pipelines, and monitoring • Collaborate with engineers and architects on system design, scalability, and reliability decisions • Support production systems through monitoring, alerting, and participation in a rotational on-call schedule • Troubleshoot incidents, perform root cause analysis, and implement durable fixes • Partner with the product owner to break work into well-scoped user stories • Validate non-functional requirements, including performance, scalability, reliability, and availability • Follow established architecture and coding standards while minimizing regression risk • Mentor teammates, share knowledge, and contribute to innovation initiatives • Take ownership, act proactively, and anticipate the impact of technical decisions • Collaborate cross-functionally in an agile, engineering-first environment • Continuously learn and apply industry best practices and new technologies WHAT YOU’LL NEED: • Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience • 5+ years of experience building, deploying, and operating high-availability backend and API-driven systems • Strong hands-on coding experience and deep expertise in API development, preferably using C#/.NET • Strong hands-on experience developing Spark-based data pipelines using Python, Scala, or Java in environments such as AWS Glue, EMR, or Databricks • Experience designing and building RESTful APIs that integrate with distributed systems • Hands-on experience developing, deploying, monitoring, and operating high-availability applications, services, or platforms on AWS • Experience with CI/CD pipelines, test automation, and Git, with familiarity with infrastructure-as-code tools such as Terraform and deployment tools such as Octopus • Strong troubleshooting and problem-solving skills in complex production environments • Willingness to participate in on-call rotations, respond to incidents, and drive root cause analysis and improvements • Strong communication skills and ability to collaborate effectively across teams • Ownership mindset, curiosity, and comfort operating with autonomy in a fast-moving environment PREFERRED EXPERIENCE: • Hands-on experience with high-availability, scalable search or indexing technologies such as Lucene, Elasticsearch, OpenSearch, or graph databases • Experience operating or supporting high-traffic, high-availability platforms in production • Prior experience in healthcare or other mission-critical or regulated domains