[Hiring] Senior Software Engineer @Mozilla

Role Description

Mozilla’s Cloud Engineering team seeks a Senior Software Engineer to mature, maintain, and build features for our Internal Developer Infrastructure Platform. You will work on creating standardized, scalable systems for CI/CD, Observability, Kubernetes optimization, environment bootstrapping, cost optimization, and more. Supporting the Infrastructure needs of the organization and identifying new opportunities to mature the path to production in a safe, cost-effective way will also be an integral part of this role.

• Support infrastructure that development teams use to own and operate their services at Mozilla.
• Guide technical decision-making and adoption of user-centric solutions.
• Create Claude skills and design agentic workflows that improve developer productivity.
• Guide team members and promote engineering standard methodologies, with a focus on usability and maintainability.
• Facilitate cross-functional collaboration for efficient and cohesive platform delivery.
• Write proposals and decision briefs for new policies, processes, and platform functionality.
• Create new features for the platform with a meaningful value proposition.
• Be trusted to resolve unclear but urgent tasks.

Qualifications

• 5+ years experience in software engineering with expertise in at least one of (Platform Engineering, Cloud Engineering, SRE, DevOps).
• Proven technical leadership experience.
• Expertise in several of the following (ArgoCD, Grafana, K8s, GitHub, Terraform, Helm, Backstage, Cloud Cost Optimization).
• Proficient in Python, JavaScript, or Go.
• Strong expertise in cloud-native technologies (GCP preferred; AWS also acceptable).
• Excellent communication skills aligning technology with user needs and organizational goals.
• Self-starter who thrives in ambiguity.
• Curiosity and interest in learning new things.

Requirements

• Bonus points for experience with distributed systems architecture and design.
• Knowledge of cloud security and governance principles.
• Experience designing agentic workflows.
• Database expertise.
• Experience building Internal Developer Platforms.

Benefits

• Generous performance-based bonus plans to all regular 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).