Senior Backend Engineer (Payments)
Proton · Barcelona; London
Posted about 3 months ago · Previously reposted
or apply directly on Proton's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 82 days Proton's roles stay open a median of 83 days
- Reposted
- Yes taken down and listed again at least once
- Salary listed
- No 0% of Proton's roles list one
- Ghost-job risk at Proton
- high 69 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
- 2026-10-25
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 on the Payments team at Proton, you will be responsible for building features across all Proton products while ensuring scalable software architecture and optimizing user experience. You will work closely with various teams to implement new payment methods and improve the overall payment process, contributing to the company's revenue generation efforts. This role requires a strong understanding of backend development and performance optimization, as well as collaboration with engineers and product teams.
- benefits
- 4/5
- freshness
- 1/5
- 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
- Experience within the payments domain
What you get
- Strong health coverage
- Solid retirement options
- Generous leave
- Wellness support
- Stock options
- Daily lunch and snacks provided
Worth weighing
- No salary listed for locations other than Paris
- The tech stack includes legacy PHP/Symfony, which may not appeal to all candidates
- The role requires in-office presence most of the time, limiting remote work flexibility
Summarised from Proton's posting. Read the full original.
Listed by Proton on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.
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