Know ATS Score
CV/Résumé Score
  • Expertini Resume Scoring: Our Semantic Matching Algorithm evaluates your CV/Résumé before you apply for this job role: Back End Engineer (VPN).
France Jobs Expertini

Urgent! Back-End Engineer (VPN) Job Opening In Paris – Now Hiring ProtonMail

Back End Engineer (VPN)



Job description

A better internet, where privacy is the default, is possible.

Building this better internet might seem daunting or even unthinkable, but at Proton, this is what we do every day.

Proton was founded in 2014 by a group of scientists who met at the European Organization for Nuclear Research (CERN).

Our first product, Proton Mail, is now the world’s largest encrypted email service.

Subsequent Proton products, such as Proton VPN, Proton Calendar, and Proton Drive, give our users full control over how and with whom their data is shared.

Today, Proton makes privacy universally accessible.

Journalists from outlets like The Guardian and The New York Times, some of the world’s largest organizations, and people in more than 180 countries have signed up for over 70 million accounts.

Our diverse and dynamic team is made up of more than 400 members representing over 40 different nationalities.

While we are based in Geneva, Switzerland, we have offices in Zurich, Prague, London, Vilnius, Skopje, Taipei, and many more employees working remotely around the world.

Join one of Europe’s fastest-growing companies to help us solve challenging problems and build new products that will reach hundreds of millions of people.

We want to create more than just one of the world’s most impactful tech companies; we want to create a new internet that serves the interests of all people.

We need you, your voice, your ideas, and your ambition to make it happen.

Purpose of the role:

The VPN team is focused on building the best and most trustworthy VPN in the world.

We aim to provide the best user experience to millions of people around the world willing to take back their online privacy, while providing sophisticated technologies to bypass network restrictions in highly censored countries.

What you will do:

  • Work closely with a group of Back-End Engineers and Architects to build resilient, massively-scalable solutions for millions of people to rely on
  • Collaborate with teams of client application developers and product management to ensure that the back-end meets critical business and reliability requirements
  • Document back-end capabilities and their proper use so that all Proton VPN clients can implement correctly-functioning solutions
  • Debug and repair vital systems such as the systems responsible for cleaning up file revisions and returning quota to users
  • Job requirements:

  • Experience with PHP-based entry-points to a back-end software stack
  • Experience building scalable solutions
  • Experience with profiling methods and tools
  • Experience leading a team initiative from discovery to production
  • Solid understanding of SQL (MySql preferred) and data modelling
  • Solid understanding of Redis or other caching technologies
  • Solid understanding of security best practices
  • Solid understanding of HTTP/REST, including both developing and consuming Web-based APIs 
  • High-level understanding of cryptography concepts such as key exchange and the difference between symmetric and asymmetric encryption
  • Bonus points for:

  • 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
  • Why should you join Proton?

  • Be part of a movement - Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom.

    Our services are open source, audited, and supported by community contributions.

    We give back to our community by maintaining core encryption libraries and by supporting other organizations furthering the same goals as us.

    Proton is free, open source, neutral, independent, and community first, while remaining financially sustainable.

  • Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit with people coming from all walks of life, including many of the world’s top academic institutions and organizations, such as MIT, Harvard, Stanford, Caltech, Cambridge, and ETH.

  • Join a strong brand - Our encrypted email service - Proton Mail - has grown to be a staple of online security and privacy.

    Proton has been featured in multiple popular television and film productions, such as Mr. Robot, Knives Out, Sounds of Metal, and more.

  • Grow with us - We’re one of Europe’s fastest-growing startups, doubling in size every year.

    Our growth gives you limitless career and educational opportunities as well as the opportunity to work side-by-side with many world-leading experts in their fields.

  • Have your voice heard - We value your opinion and encourage you to speak up and share your ideas and thoughts.

    At Proton, no problem is someone else’s problem.

    We collectively strive to do the right thing and be the undisputed best in the world at everything we do.

  • Benefits – these vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events and team building activities.

  • Proton does not accept unsolicited resumes from any sources other than directly from a candidate.

    Proton will not pay a fee for any placement resulting from the receipt of an unsolicited offer, even in a situation when the relevant candidate is employed by Proton.


    Required Skill Profession

    Financial Clerks



    Your Complete Job Search Toolkit

    ✨ Smart • Intelligent • Private • Secure

    Start Using Our Tools

    Join thousands of professionals who've advanced their careers with our platform

    Rate or Report This Job
    If you feel this job is inaccurate or spam kindly report to us using below form.
    Please Note: This is NOT a job application form.


      Unlock Your Back End Potential: Insight & Career Growth Guide


    • Real-time Back End Jobs Trends in Paris, France (Graphical Representation)

      Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Back End in Paris, France using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 1412 jobs in France and 164 jobs in Paris. This comprehensive analysis highlights market share and opportunities for professionals in Back End roles. These dynamic trends provide a better understanding of the job market landscape in these regions.

    • Are You Looking for Back End Engineer (VPN) Job?

      Great news! is currently hiring and seeking a Back End Engineer (VPN) to join their team. Feel free to download the job details.

      Wait no longer! Are you also interested in exploring similar jobs? Search now: .

    • The Work Culture

      An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at ProtonMail adheres to the cultural norms as outlined by Expertini.

      The fundamental ethical values are:
      • 1. Independence
      • 2. Loyalty
      • 3. Impartiality
      • 4. Integrity
      • 5. Accountability
      • 6. Respect for human rights
      • 7. Obeying France laws and regulations
    • What Is the Average Salary Range for Back End Engineer (VPN) Positions?

      The average salary range for a varies, but the pay scale is rated "Standard" in Paris. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

    • What Are the Key Qualifications for Back End Engineer (VPN)?

      Key qualifications for Back End Engineer (VPN) typically include Financial Clerks and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.

    • How Can I Improve My Chances of Getting Hired for Back End Engineer (VPN)?

      To improve your chances of getting hired for Back End Engineer (VPN), consider enhancing your skills. Check your CV/Résumé Score with our free Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.

    • Interview Tips for Back End Engineer (VPN) Job Success
      ProtonMail interview tips for Back End Engineer (VPN)

      Here are some tips to help you prepare for and ace your job interview:

      Before the Interview:
      • Research: Learn about the ProtonMail's mission, values, products, and the specific job requirements and get further information about
      • Other Openings
      • Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.
      • Dress Professionally: Choose attire appropriate for the company culture.
      • Prepare Questions: Show your interest by having thoughtful questions for the interviewer.
      • Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.
      During the Interview:
      • Be Punctual: Arrive on time to demonstrate professionalism and respect.
      • Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.
      • Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.
      • Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.
      • Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.
      • Follow Up: Send a thank-you email to the interviewer within 24 hours.
      Additional Tips:
      • Be Yourself: Let your personality shine through while maintaining professionalism.
      • Be Honest: Don't exaggerate your skills or experience.
      • Be Positive: Focus on your strengths and accomplishments.
      • Body Language: Maintain good posture, avoid fidgeting, and make eye contact.
      • Turn Off Phone: Avoid distractions during the interview.
      Final Thought:

      To prepare for your Back End Engineer (VPN) interview at ProtonMail, research the company, understand the job requirements, and practice common interview questions.

      Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the ProtonMail's products or services and be prepared to discuss how you can contribute to their success.

      By following these tips, you can increase your chances of making a positive impression and landing the job!

    • How to Set Up Job Alerts for Back End Engineer (VPN) Positions

      Setting up job alerts for Back End Engineer (VPN) is easy with France Jobs Expertini. Simply visit our job alerts page here, enter your preferred job title and location, and choose how often you want to receive notifications. You'll get the latest job openings sent directly to your email for FREE!