120 senior application engineer jobs found

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu. To learn more about our Hiring Range System, please click this link. 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, and Pocket, a service for keeping up with the best content online. 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...

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu. To learn more about our Hiring Range System, please click this link. 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...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly . As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Summary Wikimedia Foundation is hiring a Senior Site Reliability Engineer (SRE) to join our Service Operations SRE team, where we take care of the infrastructure that runs wikipedia.org and other Wikimedia Foundation projects.   The SRE team at Wikimedia is a distributed and diverse team of engineers with a drive to explore, experiment, and embrace new technologies. The SRE Service Operations team focuses on the application layer of our complex infrastructure as well as our developer-facing services. Our stack includes MediaWiki instances running on bare metal, surrounding microservices running on our own Kubernetes platform, an in-house designed deployment pipeline, and open source collaboration software (Gerrit, Gitlab, and Phabricator). We ❤️automation, and we automate as much as we can using primarily Python, Puppet, and Spicerack (https://github.com/wikimedia/operations-software-spicerack). We work in the open and document our work on our internal task management system...

Senior Software Engineer - MediaWiki Interfaces Summary The Wikimedia Foundation is looking for a Senior Software Engineer to join the MediaWiki Interfaces team. MediaWiki is the open-source platform that powers Wikipedia and its sister projects - impacting hundreds of millions of Wikipedia users across the globe. Our team owns the web API and other integration interfaces of MediaWiki, enabling other teams to create features that allows users to access, edit, and consume knowledge efficiently and reliably. The MediaWiki Product Insights have more information on the kind of work the group undertakes. This role offers a unique opportunity to combine technical depth with mission-driven impact. As a Senior Engineer, you will not only write robust code but also lead by example, prioritize high-impact work, support better decision-making through metrics and observability and foster a culture of accountability, transparency, and continuous improvement. Important: We are a...

Senior Software Engineer - MediaWiki Interfaces Summary The Wikimedia Foundation is looking for a Senior Software Engineer to join the MediaWiki Interfaces team. MediaWiki is the open-source platform that powers Wikipedia and its sister projects - impacting hundreds of millions of Wikipedia users across the globe. Our team owns the web API and other integration interfaces of MediaWiki, enabling other teams to create features that allows users to access, edit, and consume knowledge efficiently and reliably. The MediaWiki Product Insights have more information on the kind of work the group undertakes. This role offers a unique opportunity to combine technical depth with mission-driven impact. As a Senior Engineer, you will not only write robust code but also lead by example, prioritize high-impact work, support better decision-making through metrics and observability and foster a culture of accountability, transparency, and continuous improvement. Important: We are a...

Senior Software Engineer - MediaWiki Interfaces Summary The Wikimedia Foundation is looking for a Senior Software Engineer to join the MediaWiki Interfaces team. MediaWiki is the open-source platform that powers Wikipedia and its sister projects - impacting hundreds of millions of Wikipedia users across the globe. Our team owns the web API and other integration interfaces of MediaWiki, enabling other teams to create features that allows users to access, edit, and consume knowledge efficiently and reliably. The MediaWiki Product Insights have more information on the kind of work the group undertakes. This role offers a unique opportunity to combine technical depth with mission-driven impact. As a Senior Engineer, you will not only write robust code but also lead by example, prioritize high-impact work, support better decision-making through metrics and observability and foster a culture of accountability, transparency, and continuous improvement. Important: We are a...

Senior Database Administrator Summary The Wikimedia Foundation is seeking a Senior DBA. Our objective is to make the sum of all human knowledge available to everyone, and we persist most of this knowledge in MariaDB. Our project sites are some of the most highly visited on the internet, with more page views per engineer than any other site. As a Senior DBA at the Wikimedia Foundation, you will be part of a small, focused team of skilled and experienced engineers. In this role, you will be responsible for ensuring the health of our database systems - including their availability and performance.  Your responsibilities will include troubleshooting issues, database maintenance, performance tuning, high availability, replication, backups, and general optimization as well as benchmarking and testing new MariaDB and MySQL builds. WMF is a proponent of privacy and using free and open-source software. We run a large database cluster with MariaDB on bare metal Linux hosts....

Senior Database Administrator Summary The Wikimedia Foundation is seeking a Senior DBA. Our objective is to make the sum of all human knowledge available to everyone, and we persist most of this knowledge in MariaDB. Our project sites are some of the most highly visited on the internet, with more page views per engineer than any other site. As a Senior DBA at the Wikimedia Foundation, you will be part of a small, focused team of skilled and experienced engineers. In this role, you will be responsible for ensuring the health of our database systems - including their availability and performance.  Your responsibilities will include troubleshooting issues, database maintenance, performance tuning, high availability, replication, backups, and general optimization as well as benchmarking and testing new MariaDB and MySQL builds. WMF is a proponent of privacy and using free and open-source software. We run a large database cluster with MariaDB on bare metal Linux hosts....

Senior Database Administrator Summary The Wikimedia Foundation is seeking a Senior DBA. Our objective is to make the sum of all human knowledge available to everyone, and we persist most of this knowledge in MariaDB. Our project sites are some of the most highly visited on the internet, with more page views per engineer than any other site. As a Senior DBA at the Wikimedia Foundation, you will be part of a small, focused team of skilled and experienced engineers. In this role, you will be responsible for ensuring the health of our database systems - including their availability and performance.  Your responsibilities will include troubleshooting issues, database maintenance, performance tuning, high availability, replication, backups, and general optimization as well as benchmarking and testing new MariaDB and MySQL builds. WMF is a proponent of privacy and using free and open-source software. We run a large database cluster with MariaDB on bare metal Linux hosts....