Senior Software Engineer - Temporary

CareDx is a leading precision medicine diagnostics company advancing care in transplant, specialty oncology, and cell therapy. Through our innovative portfolio of molecular diagnostics, digital health solutions, AI-powered data and analytics, and patient support services, we partner with healthcare providers, patients, and biopharma organizations to help inform clinical decision-making and improve patient outcomes. At CareDx, every employee has the opportunity to contribute to innovations that help transform patient care and improve lives. As a Senior Full Stack Web Developer, you'll design and develop high-quality, secure web software products using React, C#, .Net, Microsoft SQL Server, and other modern technologies. This is a full time temporary position to support us until the end of 2026. Responsibilities · Develop applications using C#, .NET, Microsoft SQL Server and frameworks including React, Bootstrap, and Entity Framework. · Collaborate with stakeholders and team members to understand requirements. · Design and develop software integration solutions utilizing web APIs and other integration technologies. · Analyze, design, and plan solutions using appropriate industry best practices and team conventions. · Ensure solutions are secure by following OWASP web application guidelines. · Inform and ensure adherence to team code standards and conventions. · Estimate effort and evaluate risks of projects and tasks. · Debug software, resolve defects, and conduct root cause analysis. · Participate in agile processes, including sprint planning, daily standups, and retrospectives. · Create and execute unit tests, perform code reviews, and document designs and implementation details. · Continuously learn and stay updated on SDLC practices, frameworks, tools, and healthcare domain knowledge. · Automate tasks and improve processes to boost team productivity. Qualifications · Experience : 5+ years developing full-stack web software with .NET, C#, Microsoft SQL Server · Frontend Skills : 5+ years’ experience with React, HTML, and CSS. · Backend Skills : 5+ Expertise in C#, .NET Core/Framework, RESTful API design, and relational databases (e.g., SQL Server). · AI Experience : 1+ years using AI Code assistants (e.g., Claude Code, Codex, Devin.ai) is highly preferred. · SDLC Knowledge : Solid understanding of agile methodologies, CI/CD pipelines, and Git version control. · Problem-Solving : Strong analytical skills with the ability to break down complex problems and implement effective solutions. · Quality Focus : Commitment to writing high-quality code, testing thoroughly, documenting work, and delivering secure and reliable software. · Collaboration : Excellent communication skills, able to work effectively with both technical and non-technical team members. · Education : Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience). · Cloud-Native : Experience developing solutions designed for Microsoft Azure. · Integrations : Depth of experience with 3rd party and internal integrations · Experience developing greenfield features preferred. Additional Details: Every individual at CareDx has a direct impact on our collective mission to improve the lives of organ transplant patients worldwide. We believe in taking great care of our people, so they take even greater care of our patients. Our competitive Total Rewards package for US Employees includes: Competitive base salary and incentive compensation Health and welfare benefits, including a gym reimbursement program 401(k) savings plan match Employee Stock Purchase Plan Pre-tax commuter benefits And more! Please refer to our page to view detailed benefits at https://caredx.com/company/careers In addition, we have a Living Donor Employee Recovery Policy that allows up to 30 days of paid leave annually to a full-time employee who makes the selfless act of donating an organ or bone marrow. With products that are making a difference in the lives of transplant patients today and a promising pipeline for the future, it’s an exciting time to be part of the CareDx team. Join us in partnering with transplant patients to transform our future together. CareDx, Inc. is an Equal Opportunity Employer-vets/disabled, and participates in the E-Verify program. By proceeding with our application and submitting your information, you acknowledge that you have read our U.S. Personnel Privacy Notice and consent to receive email communication from CareDx. Certain jurisdictions require notice of how we use and protect your personal information. For more information, please read our Privacy Policy The U.S. EEO posters are available here . Note: We do not accept resumes from headhunters, placement agencies, or other suppliers that have not signed a formal agreement with us. #LI-Remote This is the anticipated base salary range in the United States. The final salary offered to a successful candidate will be dependent on several factors that may include, but are not limited to, the type and length of experience within the job, the type and length of experience within the industry, education, etc. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives and restricted stock units. CareDx is a multi-state employer, and this salary range may not reflect positions that work in other states. Remote: US only roles $70 — $85 USD