ApplySarthiContract Staff Software Engineer - (Firefox) C++,Storage Encryption
Mozilla
Tailor my CV for this job, freeView job and applyYour CV rewritten for this role, from your real experience. Sign in with Google, nothing to install.
Got this interview? Our apps help you get the job.
Skills named in this job
Read from the description itself, not inferred.
This role on the market
8 open encryption roles across 4 companies are on ApplySarthi right now, most of them in Hyderabad (5), Bengaluru (1).
- Encryption Agility Team ArchitectAmgen · hyderabad
- Encryption Engineer (DevSecOps & SDLC)Statestreet
- Principal Product Manager (CMK/Encryption Platform)Atlassian · bengaluru
What encryption roles keep asking for: CI/CD (75%), SaaS (62%), AWS (25%), Workday (25%), Azure (12%), C# (12%), C++ (12%), GCP (12%) — counted across their open postings here.
Software Engineer jobs in Canada · Software Engineer jobs in Germany · Software Engineer jobs in the United Kingdom · Remote Software Engineer jobs · C++ jobs
Mozilla has 104 open roles listed here.
- Contract Staff Software Engineer-Bug Burndown
- Contract Staff Software Engineer-Bug Burndown
- Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)
- Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)
- Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)
Counted across 14 company job boards, updated as roles open and close.
Preparing for this interview
Interviews for encryption roles keep coming back to CI/CD, SaaS, AWS, Workday. Practise those questions before you sit with Mozilla.
Questions you are likely to be asked
- Why do you want to join Mozilla?
- What is your experience with C++? Tell me one thing you learned the hard way.
- Tell me about a hard bug you tracked down. How did you find the cause?
- How do you decide what to test, and what does good code review look like to you?
- Describe a time a deadline forced a trade-off in quality. What did you choose and why?
Prep Sarthi gives you a free mock interview: an AI interviewer asks you questions like these out loud, from your own CV and this job, and shows your score and your weakest answer.
Practise the Contract Staff Software Engineer - (Firefox) C++,Storage Encryption at Mozilla interview free →The role
You will help the Firefox DOM LWS team to implement tasks for Storage Encryption everywhere, helping to drive the in-progress project through to completion .
Responsibilities
- Contributing to delivering Storage Encryption Everywhere in Gecko, which may include tasks such as migrating data between schemas, implementing data storage in PBM and integration testing.
- Write and pass Web Platform Tests, and add Gecko tests as needed.
- Work through code review with the relevant Gecko module owners and iterate to landing.
- Surface and help resolve any specification questions the implementation raises.
- Shepherd the feature through Nightly, Beta, and Release. Fix correctness, performance issues and regressions.
Definition of done
Ship Storage Encryption Everywhere to release channel. Fix triaged and prioritized issues.
Required qualifications
- Strong C++.
- Substantial experience in a browser-engine codebase, ideally Firefox/Gecko.
- Substantial experience in databases.
- Familiarity with web standards and Web Platform Tests.
- Strong debugging and optimization in a multithreaded codebase.
- Comfort working in the open: public bugs, code review, and upstream landing.
Preferred
- Prior contributions to Gecko or another major browser engine.
- Familiarity with the relevant standards body and specification process.
Match this job to your CV
ApplySarthi scores your CV against this role, shows the skills you are missing, and writes a tailored version for the application.
Check my match →Similar open roles
Need answers during your interview? Try Live Sarthi.
Live Sarthi, an Interview Sarthi app, shows answer suggestions during the call.
- Hidden from supported screen sharingThe overlay stays out of supported Windows screen captures.
- Answers start in about 1.5 secondsResponse time varies with your connection and model.
- From your own CVYour projects and your experience, not a generic script.
- 30 minutes freeThen ₹99 for a 2-day pass with unlimited calls — you pay for the days you are interviewing, not a subscription.
A Windows app, from the same team as ApplySarthi.
Listed on greenhouse · posted 2026-10-20. ApplySarthi collects openings and links to application pages; the role is advertised by Mozilla, not by us.