Senior Software Engineer, Add-Ons
Full-time
Mozilla
Responsibilities
- Deliver major features and architectural improvements across automated moderation pipelines, Reviewer tools, and DevHub.
- Build full-stack features using React/TypeScript frontends, Django backends, and MySQL.
- Create observability systems and data-backed insights.
- Improve platform reliability through deployments, monitoring, and incident response on Google Cloud.
- Develop submission flows, trust and safety signals, ecosystem moderation tools, and platform modernization initiatives.
- Resolve user- and developer-impacting bugs and incidents.
- Collaborate with designers, product managers, QA, reviewers, developer relations, leadership, and community contributors.
- Provide peer feedback, share knowledge, contribute to code reviews, and participate in open-source discussions.
Requirements
- Experience building modern web applications.
- Strong experience with Python/Django or similar backend frameworks.
- Understanding of web security principles and practices.
- Strong collaboration and communication skills in a distributed team environment.
- Ability to navigate ambiguity, explore solutions, and shape direction in new problem spaces.
- Commitment to Mozilla’s stated values.
Benefits
- Performance-based bonus plans for eligible employees.
- Medical, dental, and vision coverage.
- Retirement contributions with 100% immediate vesting.
- Quarterly company wellness days, country-specific holidays, and a birthday day off.
- One-time home office stipend and annual professional development budget.
- Quarterly well-being stipend and paid parental leave.
- Employee referral bonus program and additional benefits such as life/AD&D insurance, disability coverage, and EAP, varying by country.
Vacancy posted 14 days ago
Similar jobs that could be interesting for youBased on the Senior Software Engineer, Add-Ons in Remote vacancy
- ...people, not companies. Our work focuses on diverse areas including AI, social... ...design, build and distribute open-source software that enables people to enjoy the... ...their terms. About this role: As a Senior Software Engineer on the Ecosystem Services Team, you’ll...
- ...high level, and aligned with strong engineering practice. Assess the quality of... ...evaluation feedback. Requirements Senior, staff, or principal-level software engineering experience, or... ...TypeScript/JavaScript or Python. Hands-on experience with at least one of...
- ...ambitious people who thrive on solving complex challenges, embrace... ...impact at global scale. Our Engineering culture values autonomy,... ...improve how we build and operate software. If you’re excited by solving... ...do: We’re looking for a Senior Software Engineer to design,...
- ...property managers run their operations on autopilot. Born out of The Flex, a... ...an eight-figure business using its own software, Base360.ai is now launching as a... ...We’re looking for a highly ambitious Senior Software Engineer who wants to build systems that solve...
- ...Summary The Wikimedia Foundation is looking for a Senior Software Engineer, iOS to join the App Growth team within the Core Experiences engineering group on a 3-month full time contract. The App Growth team has a clear and ambitious goal: make the apps the destination...
- ...agencies and businesses worldwide rely on TRM to make the world safer and more secure... ...for TRM’s products and services. As a Senior Software Engineer on Data Infrastructure (RDBMS), you... ...everyday. – Inspiring Colleague: We add clarity and energy, not noise. We bring...
- ...improve those experiences. We’re a cross-functional team of engineers, product managers, designers, and data partners who move... ...reliability, and scalability. YOUR MISSION As a Senior Software Engineer on the Growth & Engagement team, you’ll build the products,...
$21393 per year
...About this role: Are you an experienced engineer at the stage of your career where, above... ...donations recorded and safely started on their journey to our recipients; telling... ...consider . We offer a reward of $3,000 for a Senior Manager or above role, and $500 for a...$1000 per year
...something bigger: transforming into an AI-first organisation, built on our own platform. We use Agentic AI to automate, orchestrate... ...the AI-First transformation, and we are looking for a Senior Software Engineer to join our Engineering Operations Team. As part of this...- ...deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer... ...one open, programmable blockchain platform. We are seeking a Senior Software Engineer with experience working with AWS-based backend services. This...
$2000 per year
...resourceful, articulate, and able to deliver on a wide variety of solutions across PC and... .... Our teams partner with specialist engineers from major silicon companies to integrate... ...and server-class hardware platforms and software stacks Work with partners to deliver a...- ...and trustworthy. We’re a product-minded engineering team. Our engineers don’t just implement... ...The opportunity – We’re looking for a Senior React Native Engineer who thinks like a... ...the job posting, applications are accepted on an ongoing basis. Please note,...
- ...code; you’ll be shaping the future. As a Software Engineer at Xapo, you will design, build, and... ...operations, all while being mentored by senior engineers. You could join one of our... ...Acquisition and Retention: team is focused on the entire customer lifecycle, from attracting...
$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...- ...Responsibilities Deliver new frontend features and bug fixes with a focus on reliability, performance, and user satisfaction. Design and develop responsive, high-performance user interfaces and application state across platforms. Maintain code quality through...
$1000 per year
...transforming into an AI-first organisation, built on our own platform. We use Agentic AI to... ...actively working toward enabling every engineer to review and contribute across both... ...your own footprint: deployment automation, software and infrastructure testing, multi-region...- ...policies. To learn more, visit The opportunity As a Staff Software Engineer, Services, you’ll help shape the architecture and technical... ...beyond email. The Services team is currently focused on building offerings such as an appointment calendar and secure...
- ...ABOUT THE TEAM The Platform Engineering team builds the tools and services that accelerate the software development life cycle of the software engineers at Mural. We work on tools that provide a reliable development environment, on tools to easily test locally and...
$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company...- ...Responsibilities Deliver new features and bug fixes with an emphasis on reliability, performance, and user satisfaction. Design and develop responsive, high-performance user interfaces and application state across platforms. Maintain code quality through coding...
- ...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...
$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company...$2000 per year
...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...interesting locations around the world, to align on strategy and execution. The company is...$135000 - $155000 per year
...work for a mission-driven non-profit, writing software that will contribute to helping the... ...Combinator-backed startup looking to hire for our Engineering & Data Group. We are looking for a backend software engineer with a focus on python and PostgreSQL to join our EUDR...- ...customers. Cohere is a team of researchers, engineers, designers, and more, who are all... ...large language models! AS A FULL-STACK SOFTWARE ENGINEER ON THE INTERNAL APPLICATIONS TEAM, YOU... ...implementations and designs – You’re excited to add new technologies to your toolbox and...
- ...global team develops open-source software that anyone can use or... ...joining the Polkadot Research Engineering team. We shape the Polkadot research... .... About the Role As a Senior Experience Engineer , you... ...deployment, and iteration based on live user data. – AI-...
- ...Senior DevOps Engineer Who We Are MOXFIVE is building technologies that leverage AI to streamline... ...Illumio, and Expel. Today, we are focused on seizing an opportunity with the... ...infrastructure behind modern, scalable software platforms. You build robust CI/CD pipelines...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer, Add-Ons. Be the first to apply!
