Mozilla
Mozilla
Mozilla este o organizație nonprofit de software și internet care lucrează pentru a menține webul deschis, accesibil și orientat către utilizatori. Este cunoscută mai ales pentru Firefox și dezvoltă produse precum Mozilla VPN, Firefox Relay și Mozilla Monitor, punând accent pe confidențialitate, securitate, viteză și controlul utilizatorilor. Activitatea sa include, de asemenea, software open-source, inovație în domeniul inteligenței artificiale și promovarea drepturilor digitale, inclusiv eforturi pentru încurajarea tehnologiei de încredere, dezvoltarea responsabilă a inteligenței artificiale și o mai mare responsabilizare în întreaga industrie tehnologică.

Senior Staff Software Engineer, Browser New Products (Remote in Canada)

Develop experimental browser capabilities at Mozilla, an open-source internet technology company. Focus on browser engine internals, performance, correctness, and interactions with AI agents.

Descriere

  • Design and build experiments across browser engine subsystems
  • Analyze how internal data structures and execution behavior influence performance, correctness, and developer-tool interfaces
  • Assess efficient, accurate ways to represent and expose browser state
  • Prototype engine capabilities that enable reliable programmatic interaction with web content
  • Study how document structure, layout, navigation, and event handling influence correctness and performance
  • Instrument browser behavior and assess changes using repeatable tasks
  • Measure performance and correctness, isolate change impacts, and record both successful and unsuccessful experiments
  • Confirm that improvements extend beyond prototype-development workloads
  • Profile overhead from new capabilities and pursue improvements supported by measurement
  • Use AI tools to speed coding and analysis, validating results through debugging, testing, and measurement
  • Partner closely with the technical lead as a hands-on individual contributor

Cerințe

  • Deep practical expertise in at least one browser engine area, including DOM and Web APIs, layout and rendering, accessibility, JavaScript runtimes, or networking and process architecture
  • Strong command of C++ or Rust
  • Experience working within a large systems codebase
  • Working knowledge of memory ownership, concurrency, object lifetimes, and performance debugging
  • Ability to create JavaScript and scripting tools for exercising and measuring implementations
  • Ability to explore unfamiliar code, develop precise hypotheses, build useful prototypes, and interpret findings
  • Strong understanding of web platform behavior and compatibility
  • Experience with profiling, tracing, regression testing, or conformance testing
  • Curiosity about AI agents and readiness to work directly with agent harnesses and coding tools
  • Contributions to Gecko, Servo, Blink, WebKit, or another browser engine are desirable
  • Experience maintaining an open-source project is desirable
  • Technical leadership on a small team developing a new product is desirable
  • Experience with accessibility infrastructure, browser security, profiling, or automated evaluation of agent workflows is desirable

Beneficii

  • Performance-based bonus plans for all eligible employees
  • Medical, dental, and vision coverage
  • Retirement contributions with immediate 100% vesting
  • Quarterly company-wide wellness days
  • Country-specific holidays and a birthday day off
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Paid parental leave
  • Employee referral bonus program
  • Additional country-dependent benefits, including life and AD&D insurance, disability coverage, and an employee assistance program

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