Software Developer - MLE

The Role
Joining Moderna offers the unique opportunity to be part of a pioneering team that's revolutionizing medicine through mRNA technology with a diverse pipeline of development programs across various diseases.

As an employee, you'll be part of a continually growing organization working alongside exceptional colleagues and strategic partners worldwide, contributing to global health initiatives.

Moderna's commitment to advancing the technological frontier of mRNA medicines ensures a challenging and rewarding career experience with the potential to make a significant impact on patients' lives worldwide.​

Moderna is solidifying its presence within our international business services hub in Warsaw, Poland, a city renowned for its rich scientific and technological heritage. This hub provides critical functions, meeting the growing demand of Moderna’s global business operations. We're inviting professionals from around the world to join our mission and contribute to the future of mRNA medicines.​

Moderna is seeking a Software Developer (SDE) / Machine Learning Engineer (MLE) to join the ML Platform Team in Warsaw, Poland. This role is essential in building tools and infrastructure that empower data scientists to experiment and deploy cutting-edge machine learning models and algorithms at scale. You will work closely with data science and application teams, ensuring seamless collaboration and integration of AI-driven solutions into real-world applications. We seek an innovative, highly motivated engineer who is eager to leverage software engineering and machine learning to advance mRNA therapeutics and vaccines, improving patient lives worldwide.

Here’s What You’ll Do

Your key responsibilities will be:

• Design and develop software systems for machine learning solutions, ensuring efficiency, scalability, and reliability.

• Collaborate with data scientists, product managers, and software engineers to translate complex requirements into technical implementations.

• Write clean, maintainable, and well-documented code in relevant programming languages (primarily Python).

• Develop and optimize end-to-end machine learning pipelines, including data ingestion, preprocessing, evaluation, deployment, and monitoring.

• Build and maintain APIs and microservices to support AI applications.

• Implement best practices in software development, including code reviews, testing frameworks, and continuous integration/deployment (CI/CD).

• Ensure compliance with data security and privacy regulations throughout the software development lifecycle.

Your responsibilities will also include:

• Enhance and optimize existing ML workflows for performance and scalability.

• Apply containerization technologies (e.g., Docker, Kubernetes) for scalable ML model deployments.

• Collaborate with junior engineers, sharing best practices and knowledge to foster team growth.

• Stay informed on emerging AI and machine learning technologies, contributing to continuous innovation.

• Troubleshoot and resolve technical challenges to maintain system performance and reliability.

• Work in an agile, cross-functional environment, contributing to interdisciplinary software projects.

The key Moderna Mindsets you’ll need to succeed in the role:

• We push past possible – You thrive in solving complex problems beyond conventional boundaries, constantly seeking innovation in AI, ML, and software development to enhance Moderna’s impact on global health.

• We digitize everywhere possible – You embrace automation, cloud deployment, and advanced AI tools to maximize efficiency and scalability in machine learning workflows.

Here’s What You’ll Need (Basic Qualifications)

• Bachelor’s, Master’s, or PhD in Computer Science, Engineering, or a related field.

• 5+ years of software engineering experience, with a focus on AI and machine learning.

• Experience with ML workflows, including model deployment using CI/CD.

• Hands-on experience designing and implementing machine learning systems in production environments.

• Strong understanding of deep learning frameworks (e.g., PyTorch, PyTorch Lightning, JAX) and libraries (e.g., CUDA).

• Experience with containerization technologies (e.g., Docker, Kubernetes).

Here’s What You’ll Bring to the Table (Preferred Qualifications)

• 5+ years of experience delivering software projects in an industry setting.

• Excellent communication skills (verbal, written, and remote collaboration).

• Ability to communicate effectively across multiple levels of stakeholders.

• Experience working on machine learning workflows and executing interdisciplinary software projects.

• Proficiency in Python, particularly in machine learning libraries (Sklearn, PyTorch).

• Familiarity with LLM technologies (e.g., Llama) and cloud deployment (e.g., AWS Bedrock).

• Knowledge of Amazon Web Services (AWS) (e.g., ECR, ECS, EC2).

• Experience troubleshooting and debugging complex technical systems.

• Understanding of distributed systems, databases (PostgreSQL), and Unix-based operating systems.

• Ability to manage multiple projects and work collaboratively in a dynamic environment.

• Experience in agile/scrum workflows.

• A desire to make an impact as part of a high-growth, transformational company that is Bold, Relentless, Curious, and Collaborative.

At Moderna, we believe that when you feel your best, you can do your best work.  That’s why our global benefits and well-being resources are designed to support you—at work, at home, and everywhere in between.

• Quality healthcare and insurance benefits
• Lifestyle Spending Accounts to create your own pathway to well-being
• Free premium access to fitness, nutrition, and mindfulness classes
• Family planning and adoption benefits
• Generous paid time off, including vacation, bank holidays, volunteer days, sabbatical, global recharge days, and a discretionary year-end shutdown
• Savings and investments
• Location-specific perks and extras!

The benefits offered may vary depending on the nature of your employment with Moderna and the country where you work.

About Moderna

Since our founding in 2010, we have aspired to build the leading mRNA technology platform, the infrastructure 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 people are 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 modernatx.com/careers 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 committed to equal opportunity in employment 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. We consider qualified applicants regardless of criminal histories, consistent with legal requirements. 

We’re focused on attracting, retaining, developing, and advancing our employees. By cultivating a workplace that values diverse experiences, backgrounds, and ideas, we create an environment where every employee can contribute their best. 

Moderna is committed to offering reasonable accommodation or adjustments to qualified job applicants with disabilities. Any applicant requiring an accommodation or adjustment 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 and Adjustments team at [email protected]. 

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