Mondoo
via Ashby
Senior Go Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 19d ago
The date the source published, not the day we noticed it (2026-08-26). Last seen at its source 3h ago.
Is it remote?
Marked remote on the employer's board
Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.
Who may apply?
Bulgaria
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay €82.9k–102.5k/yr
Middle 50% of 8 listings that do state pay — Engineering · all levels · Bulgaria · EUR/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
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ashby employer's own board first seen 11d ago · last seen 3h ago
The listing
Mondoo is creating a new way that helps companies keep their users and data safe from hackers around the world. We believe that core engineers who have both technical excellence and empathy to the developer and end-user experience will help our customers take action against attackers.
Your impact
You will have a direct impact on the Mondoo Platform including our policy engine, resources, scale, and multi-region functionality. You will be building software that helps teams to assess, scope, prioritize, triage and remediate security findings.
Key responsibilities
We're seeking a skilled Go (Golang) Engineer to join our dynamic team. In this role, you'll be responsible for designing, developing, and maintaining high-performance, scalable backend systems using microservices architecture, as well as creating robust command-line interface (CLI) applications.
Design and implement efficient, scalable backend services using Go
Develop and maintain microservices-based architectures
Create and enhance command-line interface (CLI) applications for terminal use
Design and implement APIs using Protocol Buffers and GraphQL for efficient inter-service communication
Integrate with Claude to help you accomplish all the work you need to do
Participate actively in designing features in a performant, scalable way, consulting with your colleagues and making informed decisions
Follow feature rollout procedures to ensure safe rollout
Create grafana dashboards and alerts to monitor the features you’ve rolled out
Optimize existing codebases for improved performance and reliability
Implement systems for load balancing, fault tolerance, and scalability
Collaborate with cross-functional teams to integrate backend services with frontend applications and CLI tools
Develop robust error handling, logging, and monitoring solutions
Participate in code reviews and contribute to best practices and coding standards
Troubleshoot and resolve complex technical issues in production environments
Be clear about your working hours so we know when we can reach you
Represent Mondoo at community events as preferred
The numbers: on average, we’re merging ~200 PRs per week, releasing ~15 times a week. We’re a small team, so that averages out to somewhere between 7 to 20-something prs per week, per person.
Required qualifications
Bachelor's degree in Computer Science, Software Engineering, or related field
5+ years of professional experience in backend development using Go
Strong understanding of microservices architecture and distributed systems
Experience in developing command-line interface (CLI) applications
Proficiency in Protocol Buffers and GraphQL API design and implementation
Experience with SQL
Familiarity with containerization technologies (e.g., Docker, Kubernetes)
Solid understanding of version control systems (preferably Git)
Strong written and communication skills with proven fluency in English
Excellent ability to articulate complex technical concepts and participate effectively in the feature design process
Preferred qualifications
Experience with event-driven architectures
Knowledge of cloud platforms (AWS, GCP, or Azure)
Familiarity with CI/CD pipelines and DevOps practices
Experience with gRPC
Contributions to open-source Go projects
Experience with cross-platform development for CLI applications
Previous experience participating in or leading RFC processes