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Backend Engineer (Product development)

Post CH AG
n/a, HU, Hungaryfull_timeVerifiedPosted 2 Apr 2026

About the role

PCH [[secondRecruiterName]] [[cust_ContactFunction]] [[cust_secondRecruiterPhone]] [[sourcerName]] [[cust_SecondContactFunction]] [[cust_secondContactPersonPhone]] András Sós BB [[secondRecruiterName]] [[cust_ContactFunction]] [[cust_secondRecruiterPhone]] András Sós KG András Sós PF [[secondRecruiterName]] [[cust_ContactFunction]] [[cust_ContactPhone]] [[sourcerName]] [[cust_SecondContactFunction]] [[cust_secondContactPersonPhone]] András Sós

Your mission

As a Backend Engineer at Tresorit, you will work with a broad array of innovation challenges, across various industries, typically in the Business-to-Business space. As an experienced member of an agile team, you’ll be working with other team members to investigate design approaches, prototype new technology, and evaluate technical feasibility. You will find yourself working as a part of full-stack product teams and liaise with designers and customers for the ultimate goal of designing and building end-to-end encrypted, easy-to-use commercial cloud products and services that are derived from an understanding of the business, its actors, and the technology blocks.

 

What you'll be doing

  • Take part in forming the product, designing, and shipping new features that solve our customers’ needs and help them secure their digital life and work,
  • Architect, design, and develop the massively scalable, reliable, and resilient servers our service depends on,
  • Optimize, test, and continuously improve our product,
  • Deploy, monitor, and operate the service that is run on Microsoft Azure,
  • Integrate our service with various third-party providers (e.g. CRM, support, payment and billing system, email & text message service, etc.),
  • Integrate features provided by our self-developed crypto library and API,
  • Work closely with UX/UI designers and the business to define and implement elegant solutions to interesting problems,
  • Investigate and fix defects from our issue-tracking system,
  • Practice pair programming and participate in code reviews.

 

What you’ll need

  • 3+ years of experience working on mid or large sized services,
  • Hands-on experience with SQL and/or NoSQL databases,
  • Understanding of cloud services, and API platform concepts,
  • Ability to solve issues independently while keeping an eye on the holistic view and considering broader context,
  • You’re passionate about helping others and keen to roll up your sleeves and take ownership to drive company-wide impact,
  • Collaborated across teams and you have the willingness to learn from others,
  • Good written and verbal communication skills in English.

 

Bonus points

  • Experience in Front-end developing (Angular 2+ and/or React with TypeScript),
  • Native client developing (.NET WPF),
  • Experience with UWP/WinForms/Xamarin,
  • Knowledge in applied cryptography (e.g. block cipher modes, padding schemes, PKI), crypto libraries (e.g. OpenSSL, Crypto++),
  • Sense for great UI/UX,
  • Product development experience (especially in large, distributed systems),
  • Contributions in active open-source projects.

 

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Company

Post CH AG

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