Senior Software Developer, ML Platform

The Role

Moderna is seeking a Senior Software Developer (SDE) / Machine Learning Engineer (MDE) to join the ML Platform Team in Seattle. The MLE will play a crucial role in developing tools and infrastructure to support data scientists' experimentation and the productionalization of models/algorithms. As a Sr. SDE, this role requires strong collaboration skills to work closely with data science teams and application teams to develop real-world application. We are looking for someone who is deeply curious, exhibits an excellent work ethic, and has a desire to bring novel mRNA therapeutics and vaccines to the market that will improve the lives of patients worldwide.

Heres What Youll Do Lead the design and development of software systems for machine learning solutions, ensuring scalability, efficiency, and robustness. Collaborate with data scientists, product managers, and other stakeholders to understand requirements and translate them into technical specifications. Write clean, maintainable, and well-documented code in a variety of programming languages. Architect and implement end-to-end machine learning pipelines, following best practices for data ingestion, preprocessing, re-training, evaluation, deployment, CI/CD, and automated testing. Optimize existing machine learning systems for performance and scalability. Develop and maintain high-performance APIs and microservices to support AI applications. Implement best practices for software development, including code reviews, testing, and documentation. Mentor and guide junior engineers, fostering a culture of continuous learning and improvement. Stay abreast of the latest advancements in AI and machine learning, and integrate new technologies and methodologies into our systems. Ensure compliance with data security and privacy regulations throughout the development lifecycle. Troubleshoot and resolve complex technical issues, ensuring the reliability and performance of deployed systems. Additional duties as may be assigned from time to time Heres What Youll Need (Minimum Qualifications) Bachelors, Masters, or PhD in Computer Science, Engineering, or a related field. Extensive experience (5+ years) in software engineering, with a focus on AI and machine learning. Demonstrated understanding of and prior experience with ML workflows Experience building tools to deploy ML models to the cloud using CI/CD Proven track record of designing and deploying large-scale machine learning systems in production environments. Deep understanding of deep learning frameworks (e.g., PyTorch, PyTorch Lightning, JAX) and libraries (e.g., CUDA). Experience with containerization technologies (e.g., Docker, Kubernetes). Heres What Youll Bring to the Table (Preferred Qualifications) 8+ years of experience delivering software projects, preferably in an industry setting Outstanding communication skills (verbal, written, and virtual/remote) Success in communicating effectively at multiple levels of stakeholdership Demonstrated experience building machine learning workflows and executing complex and interdisciplinary software projects. Fluency in Python, especially machine learning (Sklearn/PyTorch). Experience with fine-tuning and deploying LLM technologies (e.g., Llama) on cloud infrastructure (e.g., AWS Bedrock). Familiarity with best practices in software development including coding standards, code reviews, version control (Git), build process, software testing, operations, and documentation. Knowledge of Amazon Web Services (like ECR, ECS, EC2, etc). Experience troubleshooting and debugging technical systems. Working knowledge of Unix operating systems. Working knowledge of distributed systems/applications. Working knowledge of databases (e.g., PostgreSQL). Ability to manage multiple projects and effectively collaborate in a dynamic, cross-functional environment. Experience in agile/scrum or related collaborative workflow. A desire to make an impact as part of a high-growth, transformational company that is Bold, Relentless, Curious, and Collaborative. Under Washington State law, Moderna is required to provide a reasonable estimate of the salary range for the jobs covered by this description. Base compensation for these positions in Washington State range from $129,600.00 to $207, Actual salary determinations will take into account factors such as work location, prior education and experience, job-related knowledge, and demonstrated skills. Compensation decisions are made on the facts and circumstances of each case. In addition to base compensation Moderna employees are eligible for a comprehensive incentive compensation package including an annual cash bonus, new hire equity and an annual refresh, 401(k) match, competitive and inclusive medical, dental, and vision coverage options, flexible spending accounts for medical and dependent care, Life, LTD, and STD insurance, paid family leave offerings, including at least 18 weeks of 100% paid parental leave, lifestyle spending account, adoption, surrogacy, and family-planning benefits, generous paid time off, including: Vacation, sick time, and observed Company-wide holidays Paid volunteer time to participate within your community Discretionary winter holiday shut down Paid 4-week sabbatical after 5 years, and every 3 years after Moderna is pleased to provide you and your family with a comprehensive and innovative suite of benefits, including:Highly competitive and inclusive medical, dental and vision coverage optionsFlexible Spending Accounts for medical expenses and dependent care expensesLifestyle Spending Account funds to help you engage in personal enrichment and self-care activitiesFamily care benefits, including subsidized back-up care options and on-demand tutoringFree premium access to fitness, nutrition, and mindfulness classesExclusive preferred pricing on Peloton fitness equipmentAdoption and family-planning benefitsDedicated care coordination support for our LGBTQ+ communityGenerous paid time off, including:
Vacation, sick time and holidays
Volunteer time to participate within your community
Discretionary year-end shutdown
Paid sabbatical after 5 years; every 3 years thereafterGenerous Paid Leave offerings, including 18 weeks of 100% paid parental leave for all new parents 401k match and Financial Planning toolsModerna-paid Life, LTD and STD insurance coverages, as well as voluntary benefit optionsComplimentary concierge service including home services research, travel booking, and entertainment requestsFree parking or subsidized commuter passesLocation-specific perks and extras About Moderna Since our founding in 2010, we have aspired to build the leading mRNA technology platform, theinfrastructure to reimagine how medicines are created and delivered, and a world-class team. We believe in giving our people a platform to change medicine and an opportunity to change the world. By living our mission, values, and mindsets every day, our peopleare the driving force behind our scientific progress and our culture.Together, we are creating a culture of belonging and building an organization that cares deeply for our patients, our employees, the environment, and our communities.

We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. As we build our company, we have always believed an in-person culture is critical to our success. Moderna champions the significant benefits of in-office collaboration by embracing a 70/30 work model. This 70% in-office structure helps to foster a culture rich in innovation, teamwork, and direct mentorship. Join us in shaping a world where every interaction is an opportunity to learn, contribute and make a meaningful impact.

If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit to learn more about our current opportunities.

Moderna is a smoke-free, alcohol-free and drug-free work environment.

Moderna is a place where everyone can grow. If you meet the Basic Qualifications for the role and you would be excited to contribute to our mission every day, please apply

Moderna is proud to be an equal opportunity workplace and is an affirmative action employer.

Moderna is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, sex, gender identity or expression, age, religion, national origin, ancestry or citizenship, ethnicity, disability, military or protected veteran status, genetic information, sexual orientation, marital or familial status, or any other personal characteristic protected under applicable law. Moderna is an E-Verify Employer in the United States. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Belonging, Inclusion, and Diversity are critical to the success of our company and our impact on society. Were focused on attracting, retaining, developing, and advancing our employees and believe that by cultivating diverse experiences, backgrounds, and ideas, we can provide an environment where every employee is able to contribute their best.

Moderna is committed to offering reasonable accommodations to qualified job applicants with disabilities. Any applicant requiring an accommodation in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should contact the Accommodations team at (EEO/AAP Employer)

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