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Sr. Full Stack C# Web Engineer

ZOLL Resuscitation
United States, Massachusetts, Chelmsford
269 Mill Road (Show on map)
Jul 13, 2025
Acute Care Technology

At ZOLL, we're passionate about improving patient outcomes and helping save lives. We provide innovative technologies that make a meaningful difference in people's lives. Our medical devices, software and related services are used worldwide to diagnose and treat patients suffering from serious cardiopulmonary and respiratory conditions.

The Acute Care Technology division of ZOLL Medical Corporation develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Products include AEDs, trauma kits, ventilators, temperature management solutions, and more. Our dedicated employees take pride in their commitment to improving patient outcomes while delivering world-class customer service.

ZOLL Medical does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need ZOLL immigration sponsorship (e.g. H1B, TN, STEM, OPT, etc.) either now or in the future.

Job Type

Remote

Job Summary:

We are looking for a talented, full stack, lead software engineer with in-depth knowledge of n-tier business applications to join the ZOLL emsCharts development Team. The emsCharts SaaS application is a suite of modules encompassing all the necessary functionality critical to helping EMS agencies run their day-to-day operations.

Chief among these capabilities is providing emergency medical personnel with the necessary software to document patient care and improve patient outcomes. Our ideal candidate will create, enhance, and maintain customer-facing applications for First Responders within the Emergency Medical Services (EMS) domain on a cross-functional agile team. You will be experienced with all layers of the application stack including the backend business logic and database layers, but also fluent with crafting dynamic User Interfaces.

You'll help advance the product by engaging with your team and iterating to a result that will delight our customers and, more importantly, that you are proud of. Our customers and end users are saving lives and it's our job to make sure they can do their job quickly and efficiently.

Essential Functions:

  • Work with the product owner, stakeholders, UX, QA, and other engineers to create effective solutions
  • Participate in all aspects of .NET/web-based product delivery including planning, design, development, code reviews, cross-platform/cross-browser testing and production support
  • Take the lead on designing larger features within the system; partner with key stakeholders within and across team and organization boundaries to solve complex engineering problems.
  • Lead the team to drive improvements to features, functionality, process, architecture, design, and performance to drive efficiency and productivity gains for the entire team. Mentor and guide junior members of the team on their own career growth journey.
  • Develop and evaluate code to ensure that it is valid, properly structured, secure, performant, and is consistent with industry best practices
  • Ensure that assignments are delivered on schedule and in accordance with quality standards and agile best practices
  • Adhere to established ZOLL engineering standards for UI development, database access, documentation, and development methodology in addition to organizational process controls
  • Provide support to our operations teams to troubleshoot and resolve high-priority customer issues
  • Monitor and respond to production incidents to ensure high availability of new and existing software in production.

Required/Preferred Education and Experience :

  • Bachelor's Degree in Computer Science or equivalent experience and
  • 5+ years of experience as a Full Stack engineer in a professional ASP.NET environment

Knowledge, Skills and Abilities

  • Demonstrated ability in delivering customer-facing web-based applications on time using dynamic web-based UI frameworks and .NET C#.
  • Mastery of HTML, CSS and JavaScript and web-based UI frameworks.
  • Experience with AWS technologies such as EC2, ECS, S3, Lambdas, SNS, SQS and EventBridge or similar Azure constructs.
  • Excellent knowledge of relational databases (such as Oracle, MS SQL Server, PostgreSQL), SQL, and stored procedure technologies (such as PL/SQL or T-SQL)
  • Proficiency with modern VCS and CI/CD using tooling such as Git, BitBucket and TeamCity
  • Experience with IaC patterns and tooling such as CloudFormation or Terraform
  • Deep background in writing quality automated tests including unit tests, API integration tests and a deep understanding of mocking frameworks.
  • Strong desire to understand the business problems that our technology is created to solve and provide creative and collaborative solutions to those problems.
  • Experience providing technical and team leadership to one or more engineering teams.
  • Intimate knowledge and experience building products using Agile development principles
  • Willingness to work with and troubleshoot and resolve defects in legacy code; excellent troubleshooting skills

Bonus skills:

  • Knowledge or experience in ColdFusion
  • Experience with SaaS-based reporting and analytics products such as Snowflake, Birst and Izenda
  • Clinical domain knowledge or experience with the EMS space
  • Experience with AI technologies and real-world product integration

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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