Senior Software Engineer - Engineering Workflow and CI

Mozilla • Netherlands

Company

Mozilla

Location

Netherlands

Type

Full Time

Job Description

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox the privacy-minded web browser. Now with more than 225 million people around the world using our products each month we’re shaping the next 25 years of technology and helping to reclaim an internet built for people not companies. Our work focuses on diverse areas including AI social media security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world Mozillians design build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Firefox developers land code every day to delight users with new features and improve product performance and security. Every day developers and managers use our team’s applications to develop build test and deliver Mozilla’s core products. We are force-multipliers to enable Firefox developers to do their best work.

What you’ll do:

  • Improve Firefox development workflows to reduce time spent testing and debugging test failures as well as more integration/automation of workflows

  • Work with a geographically-distributed development team

  • Mentor other team members and be mentored by more senior team members

  • Collaborate with other teams by providing code review and technical direction

  • Look at data make dashboards identify trends in Firefox development workflow

What you’ll bring:

  • Proven Python skills including building services

  • Front-end development experience including JavaScript proficiency

  • Experience with Python frameworks (e.g. FastAPI Flask Django) Cloud Services (e.g. GCP AWS) and REST

  • Solid understanding of databases and SQL

  • Experience with CI/CD systems (e.g. GitHub Actions CircleCI) and test harnesses

  • Comfortable working cross-platform familiar with at least 2 of: Windows Linux Mac Android

  • A passion for enhancing developer productivity

  • Commitment to our values:

    • Welcoming differences

    • Being relationship-minded

    • Practicing responsible participation

    • Having grit

Bonus points for:

  • A deep understanding of version control systems

  • Experience with containerization and continuous delivery/deployment particularly with Docker

  • Experience with CI of large scale projects

  • Comfortable with data analysis

What you’ll get:

  • Generous performance-based bonus plans to all eligible employees - we share in our success as one team

  • Rich medical dental and vision coverage

  • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)

  • Quarterly all-company wellness days where everyone takes a pause together

  • Country specific holidays plus a day off for your birthday

  • One-time home office stipend

  • Annual professional development budget

  • Quarterly well-being stipend

  • Considerable paid parental leave

  • Employee referral bonus program

  • Other benefits (life/AD&D disability EAP etc. - varies by country)

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity equity inclusion and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone including members of all equity-seeking communities such as (but certainly not limited to) women racialized and Indigenous persons persons with disabilities persons of all sexual orientations gender identities and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process to perform essential job functions and to receive other benefits and privileges of employment as appropriate. Please contact us at [email protected] to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture) religion (including religious grooming and dress practices) gender gender identity gender expression color national origin pregnancy ancestry domestic partner status disability sexual orientation age genetic predisposition medical condition marital status citizenship status military or veteran status or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior conduct or purpose.

Group: D

#LI-REMOTE

Req ID: R2955

Hiring Ranges:

Remote Netherlands

€65.000—€95.000 EUR

Apply Now

Date Posted

11/08/2025

Views

0

Back to Job Listings ❤️Add To Job List Company Info View Company Reviews
Positive
Subjectivity Score: 0.9

Similar Jobs

Senior Sofware Engineer (Localization) - Mozilla

Views in the last 30 days - 0

Mozilla Corporation is a nonprofitbacked technology company that has shaped the internet for the better over the last 25 years They make pioneering br...

View Details

Software Engineer - DOM Core - Mozilla

Views in the last 30 days - 0

Mozillas mission to improve the internet through opensource innovation and diverse teams They offer impactful roles in web development with competitiv...

View Details

Software Engineer - Accounts - Vercel

Views in the last 30 days - 0

Vercel is seeking a Software Engineer specializing in Account Lifecycle and Access Management IAM The role involves designing building and maintaining...

View Details

Senior Machine Learning Engineer - Ads Conversion Modeling - Reddit

Views in the last 30 days - 0

Reddit is offering a flexible workforce with the option to work remotely from the Netherlands or the UK The company primarily generates revenue throug...

View Details

Firefox OS Integration Engineer - Crash Reporting - Mozilla

Views in the last 30 days - 0

Mozilla Corporation a nonprofitbacked technology company has shaped the internet for the better over the last 25 years With a focus on diverse areas i...

View Details

Solutions Engineer - Commercial (German) - 1Password

Views in the last 30 days - 0

1Password is seeking a Solutions Engineer SMB for a oneyear remote contract in the Netherlands The role involves supporting sales teams with customer ...

View Details