or apply directly on Proton's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 13 days Proton's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of Proton's roles list one
- Ghost-job risk at Proton
- high 59 stale, 7 reposted of 69 open
- Hiring momentum
- 89 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Proton's own greenhouse board since 2026-08-03. Full hiring picture for Proton.
About this role
As a Senior Backend Engineer at Proton, you will be responsible for developing and optimizing backend services that support over 100 million users. Your role will involve defining architecture, building scalable APIs, and collaborating with cross-functional teams to enhance user experiences. You will also have opportunities to lead initiatives and contribute to the overall growth of the Account Team.
- benefits
- 4/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Proton as an employer.
What you need
- Proven experience with back-end development
- Expertise in building scalable, high-performance solutions
- Proficiency with profiling techniques and performance optimization tools
- Experience leading a team initiative from discovery to production
- Strong understanding of SQL (MySQL preferred) and data modeling best practices
- Familiarity with Redis or other caching technologies for performance optimization
Nice to have
- Operational experience such as SRE or on-call, demonstrating ability to diagnose and troubleshoot complex problems for critical systems
- Experience with Docker or similar containerization technologies
- Experience with metrics graphing/analysis toolkits such as Grafana and OpenTelemetry
- Experience with Python and/or Rust
- Experience with OpenAPI specs or other API documentation frameworks
What you get
- Office First: Work from home up to 30% of the time while enjoying core days in the office
- Technology: All necessary devices and software provided
- Food: Daily lunch and snacks provided at the office
- Transport: Subsidized public transport, bike allowances, or parking spaces based on office location
- Stock Options: Stock options provided upon joining
- Flexible Working: Define your own working hours
Worth weighing
- No salary listed
- The tech stack includes PHP/Symfony and may not be considered modern by some
- The role involves working in a flat structure which may require adaptability
- Highly selective hiring process with less than 1% acceptance rate
Summarised from Proton's posting. Read the full original.
Listed by Proton on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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