Senior Software Engineer - Engineering Workflow and CI
WFA Digital Insight
As demand for skilled software engineers continues to rise, with a 25% increase in remote tech jobs in 2025, Mozilla stands out as a pioneer in open-source technology. This Senior Software Engineer role is unique in its focus on enhancing developer productivity and streamlining workflows. With the shift towards more efficient and automated development processes, skills in Python, JavaScript, and CI/CD systems are highly valued. Before applying, candidates should be aware of Mozilla's commitment to its mission and values, including a passion for open-source software and community engagement.
Job Description
About the Role
The Senior Software Engineer position at Mozilla is a critical role focused on optimizing the engineering workflow and Continuous Integration/Continuous Deployment (CI/CD) systems. This involves working closely with a geographically distributed development team to identify areas of improvement in the development lifecycle, from testing and debugging to deployment. The goal is to enhance developer productivity by automating workflows, reducing manual testing, and integrating tools that facilitate a smoother development process.As part of the team, you will be responsible for mentoring junior engineers, collaborating with cross-functional teams, and driving technical decisions that impact the entire organization. Your expertise in Python, front-end development, and experience with cloud services will be invaluable in driving these initiatives forward.
Mozilla's culture is built on the principles of openness, transparency, and community involvement. As a Senior Software Engineer, you will be expected to embody these values, contributing to open-source projects and engaging with the global developer community.
What You Will Do
- Improve Firefox development workflows to reduce time spent on testing and debugging
- Collaborate with a geographically distributed development team to drive workflow enhancements
- Mentor other team members and be mentored by more senior team members
- Provide code review and technical direction to other teams
- Analyze data, create dashboards, and identify trends in Firefox development workflow
- Develop and maintain tools and services that support the development process
- Work with Python frameworks such as FastAPI, Flask, or Django
- Experience with cloud services like GCP or AWS
- Utilize CI/CD systems such as GitHub Actions or CircleCI
- Collaborate with the security team to ensure the integrity of the development environment
- Participate in agile development methodologies and contribute to sprint planning
What We Are Looking For
- Proven Python skills, including building services and experience with Python frameworks
- Front-end development experience, including proficiency in JavaScript
- Experience with cloud services and RESTful APIs
- Solid understanding of databases and SQL
- Experience with CI/CD systems and test harnesses
- Comfortable working cross-platform, with familiarity in at least two of the following: Windows, Linux, Mac, Android
- A passion for enhancing developer productivity and streamlining workflows
- Commitment to Mozilla's values, including welcoming differences, being relationship-minded, and practicing responsible participation
- Experience with open-source software development and community engagement
Nice to Have
- Experience with machine learning or artificial intelligence
- Knowledge of DevOps practices and tools
- Familiarity with containerization using Docker
- Experience with security best practices and secure coding principles
- Participation in or leadership of open-source projects
Benefits and Perks
- Competitive salary and benefits package
- Opportunity to work on open-source software that impacts millions of users worldwide
- Collaborative and dynamic work environment with a global team
- Professional development opportunities, including training and conference attendance
- Flexible working hours and remote work options
- Access to the latest technologies and tools
- Comprehensive health insurance and retirement plan
- Generous parental leave policy
- Employee assistance programs and mental health support
How to Stand Out
- Highlight your experience with CI/CD systems and how you've improved workflow efficiency in previous roles.
- Showcase your proficiency in Python and JavaScript through personal projects or contributions to open-source repositories.
- Prepare to talk about your approach to mentoring and being mentored, as this is a key aspect of the role.
- Research Mozilla's values and mission to understand how your skills and experience align with the company's goals.
- Be ready to discuss your experience with cloud services and how you've utilized them to solve complex problems.
- Emphasize your passion for open-source software and community engagement, highlighting any personal projects or contributions.
- Practice explaining technical concepts in a clear, concise manner, as this will be important for code reviews and technical direction.
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