Senior Software Engineer - Engineering Workflow and CI

MozillaMozilla·Remote(Remote Germany)
Software Development

WFA Digital Insight

As demand for skilled software engineers continues to rise, with a 25% increase in remote tech roles in 2025, Mozilla's commitment to open-source innovation is more crucial than ever. This Senior Software Engineer role is a unique chance to enhance developer productivity and contribute to the evolution of the internet. With the global shift towards remote work, candidates with strong Python and JavaScript skills are in high demand. Mozilla's mission-driven approach and dedication to diversity make this role stand out in the current job market. Before applying, candidates should be prepared to showcase their experience with CI/CD systems and their passion for improving development workflows.

Job Description

About the Role

Mozilla, the pioneer behind Firefox, is seeking a Senior Software Engineer to focus on Engineering Workflow and CI. This role is crucial in streamlining the development process, ensuring that Firefox developers can efficiently create and deliver high-quality products. As part of a geographically distributed team, you will collaborate closely with other engineers and mentors to drive improvements in workflow automation and integration. Your expertise will directly impact the productivity and effectiveness of the development team, contributing to Mozilla's mission of making the internet better for people.

The Engineering Workflow and CI team is at the heart of Mozilla's product development. Every day, this team enables Firefox developers to land code, test, and deliver new features and security updates. Your work will be pivotal in reducing testing and debugging time, allowing developers to focus on what matters most - creating innovative products that delight users.

What You Will Do

  • Improve Firefox development workflows to reduce time spent on testing and debugging test failures
  • Implement more integration and automation of workflows to enhance developer productivity
  • Work closely with a geographically distributed development team to identify and address workflow inefficiencies
  • Mentor other team members and be open to mentorship by more senior team members to foster a culture of continuous learning
  • Collaborate with other teams to provide code review and technical direction, ensuring alignment with Mozilla's engineering standards
  • Analyze data to identify trends in Firefox development workflow, creating dashboards to visualize key metrics
  • Develop and maintain applications used by Firefox developers for development, building, testing, and delivery of Mozilla's core products
  • Participate in the design and implementation of new workflow tools and processes
  • Stay updated on the latest technologies and trends in software development, applying this knowledge to improve Mozilla's engineering practices

What We Are Looking For

  • Proven experience with Python, including building services and proficiency in relevant frameworks such as FastAPI, Flask, or Django
  • Front-end development experience, with a strong foundation in JavaScript
  • Experience with Cloud Services (e.g., GCP, AWS) and RESTful APIs
  • Solid understanding of databases and SQL, with the ability to design and optimize database schema
  • Experience with CI/CD systems such as GitHub Actions or CircleCI, and familiarity with test harnesses
  • Comfort working cross-platform, with familiarity with at least two of the following: Windows, Linux, Mac, Android
  • A passion for enhancing developer productivity through workflow automation and optimization
  • Commitment to Mozilla's values, including welcoming differences, being relationship-minded, and practicing responsible participation

Nice to Have

  • Experience with other programming languages beyond Python and JavaScript
  • Knowledge of agile development methodologies and version control systems like Git
  • Participation in open-source projects, demonstrating a personal passion for software development and community engagement
  • Experience with data analysis and visualization tools, enabling the creation of informative dashboards

Benefits and Perks

  • The opportunity to work on a product used by millions of people worldwide, contributing to the betterment of the internet
  • A competitive salary and benefits package, tailored to attract and retain top talent in the industry
  • Generous paid time off, allowing for a healthy work-life balance and the freedom to recharge
  • Health insurance, including options for vision and dental, to support the well-being of you and your family
  • A stipend for remote work setup, ensuring you have the tools and environment needed to succeed
  • Opportunities for professional growth and development, with access to training, mentorship, and conference attendance
  • The chance to be part of a global community of like-minded individuals, united by a mission to make the internet a better place

How to Stand Out

  • Ensure your portfolio showcases projects that demonstrate your proficiency in Python, JavaScript, and experience with CI/CD systems.
  • Prepare to talk about specific challenges you've faced in optimizing development workflows and how you overcame them.
  • Familiarize yourself with Mozilla's products and mission, demonstrating your passion for contributing to open-source software.
  • Be ready to discuss your experience with data analysis and how you've used it to drive improvements in development processes.
  • Highlight any experience or knowledge you have about cloud services, RESTful APIs, and database design.
  • Consider reaching out to current or former Mozilla employees to gain insights into the company culture and what makes a candidate successful in this role.

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