Principal Platform Software Engineer

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 looking for a hands-on, impact-driven Principal Platform Engineer who will play a vital role in building the foundation for application development across the organization. This is a highly technical, individual contributor position within our Warsaw hub that collaborates directly with developers ("Builders") to provide scalable, secure, and user-focused DevX and Cloud Infrastructure solutions. You will define and evolve Moderna’s platform architecture, design composable Infrastructure-as-Code frameworks, and help ensure our developer platforms are optimized for reliability, observability, and cost efficiency. With an ownership mindset and a deep obsession for quality, you’ll enable the rapid delivery of critical software tools and frameworks supporting Moderna's engineering ecosystem.

Here’s What You’ll Do

Your key responsibilities will be:

• Designing and evolving Moderna’s platform architecture strategy for secure, scalable, and developer-friendly cloud environments.

• Architecting and provisioning cloud resources using Infrastructure-as-Code tools with a focus on automation, reliability, and performance.

• Building reusable and composable IaC modules and frameworks to standardize provisioning processes.

• Partnering with business development, security, and cloud teams to ensure alignment between platform capabilities and business or compliance requirements.

• Developing and maintaining clear documentation, frameworks, and tools that support Moderna’s engineering and development community.

Your responsibilities will also include:

• Engaging directly with application developers (Builders) to identify platform-wide needs and influence cross-team design decisions.

• Scaling and optimizing Kubernetes-based platforms for reliability, observability, and cost efficiency.

• Implementing and improving CI/CD pipelines for safe and rapid software delivery.

• Leading mentoring and technical education efforts around DevOps, automation, and cloud-native best practices.

• Staying at the forefront of cloud computing and web development innovations, contributing to Moderna’s culture of continuous learning.

• Ensuring platform consistency across the engineering organization by shaping long-term technical direction and decision-making frameworks.

• Contributing to the creation of Generative AI-enabled developer tools and frameworks as part of the ongoing transformation of Moderna’s technology platforms.

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

• “We behave like owners. The solutions we’re building go beyond any job description.”
  In this role, you will own the platform from design through execution. You’ll step beyond your immediate tasks to consider the end-user experience, long-term maintainability, and strategic impact of your work on Moderna’s engineering landscape.

• “We digitize everywhere possible using the power of code to maximize our impact on patients.”
  You will be at the forefront of Moderna’s push toward automation and digitization, using Infrastructure-as-Code and DevX tooling to accelerate platform capabilities that ultimately impact the speed and quality of our mRNA innovation pipeline.

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

• BS/BA degree in Computer Science with 8+ years of relevant work experience.

• Proficiency in Python or JavaScript/TypeScript.

• Expertise with AWS or other major cloud providers for designing, deploying, and managing production-grade infrastructure.

• Deep experience using Infrastructure-as-Code frameworks to automate and standardize cloud resource provisioning.

• Hands-on experience designing, deploying, and operating containerized systems using Kubernetes or other container orchestration platforms.

• Strong background in building and maintaining CI/CD pipelines to support reliable delivery.

• Proven ability to lead cross-team technical initiatives, influence architecture direction, and mentor engineers.

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

• Proficient in Infrastructure-as-Code tools that utilize conventional programming languages, such as CDK or Pulumi.

• Skilled at implementing CI/CD pipelines using GitHub Actions.

• Experience deploying and managing Kubernetes clusters.

• Familiar with monorepo tools like Nx to optimize build, test, and deployment processes.

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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