Staff Software Engineer - Back-End

42Crunch

42Crunch

Software Engineering
Posted on Nov 7, 2025

Staff software engineer - Backend

LOCATION: Right to work and based in the EU.

42Crunch is revolutionizing the App Sec market by bridging the gap between development and security. Our team of security-as-code experts contribute to the development of an API threat protection platform that positions us as a leader in API security. Our clients include the big names in the Fortune 500 in a wide range of industries.

We are looking for an enthusiastic and driven back-end developer with 6+ years experience. This is an excellent opportunity to join our highly talented R&D team and play a key role in the development of 42Crunch API Security platform and ecosystem. B2B contractors will also be considered.

Responsibilities

  • Own the design, development, and reliability of significant 42Crunch components, ensuring scalability, security, and performance.
  • Implement and test features and improvements to the 42Crunch SaaS platform and tools.
  • Write and present design proposals and documentations for moderately complex features.
  • Debug and fix issues to improve efficiency, scalability, and stability of 42Crunch components.
  • Use your technical expertise to improve code quality through code and design reviews.
  • Represent the backend team as a technical contact in cross-functional discussions and external technical engagements as needed.
  • Assist third party developers in troubleshooting their integrations with 42crunch platform APIs and use of other 42Crunch developer products.
  • Research new technologies and prototype solutions

Requirements

As a staff software developer, you have experience implementing micro services and libraries. In particular, you will have:

  • Strong understanding of secure coding principles and Application Security in general
  • A solid foundation in data structures, algorithms and concurrent programming
  • A strong experience in developing using Golang and its ecosystem.
  • A strong experience developing on a Linux platform.
  • A strong understanding of the gRPC ecosystem and Protobuf.
  • A good experience with code generation.
  • A strong understanding and experience with kubernetes.
  • A good understanding of continuous integration/deployment with Jenkins/Github actions.
  • Extensive experience of APIs design and implementation and strong understanding of HTTP and REST + GraphQL architectures.
  • Proficient understanding of Git and the Atlassian suite (JIRA/Confluence).
  • Strong collaboration skills; able to work well in team-oriented and fast-paced environments.

Preferred Experiences

  • Security protocol experience (TLS, authentication and authorization, Oauth).
  • Prior working experience on one or more Cloud Service Providers (AWS, Azure, GCP).

Compensation & Benefits

Competitive package based on experience, including:

  • Generous annual leave/ holidays
  • Remote work as preferred
  • Medical benefits including dependents
  • Retirement Plan Contributions
  • Stock Options