---
title: 'Senior Go Engineer at Mondoo'
canonical: 'https://feeny.ai/job/senior-go-engineer-mondoo-bulgaria-z1ygr0tmdqdt'
type: 'job'
last_seen: '2026-10-15'
---

# Senior Go Engineer at Mondoo

- **Company:** Mondoo
- **Location:** Bulgaria
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2026-08-26
- **Last confirmed live:** 2026-10-15
- **Apply:** https://jobs.ashbyhq.com/mondoo/c287b750-96a3-46fd-bb2e-9b1b2994708d

## Job description

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

## About Mondoo

## Company Overview

- **One-liner**: Mondoo provides an Agentic Managed Vulnerability Service that pairs an AI-native security platform with expert teams to continuously find, prioritize, and fix vulnerabilities and misconfigurations across an organization’s entire IT infrastructure.
- **Entity Type**: Private (Series A funding stage)
- **Headquarters**: San Francisco, California, United States
- **Founded**: 2020
- **Founders**: Soo Choi-Andrews (CEO), Christoph Hartmann (CTO), Dominik Richter (CPO)

## Core Business

- **Primary industry**: Cybersecurity – vulnerability management, exposure management, compliance automation.
- **Target customers**: B2B – Enterprise and SMB, including Fortune 50 companies. Over 300 customers worldwide.
- **Mission or purpose statement**: “Creating a world where vulnerabilities are eliminated—not just managed” and “Building a world where security problems stay fixed.”

## Products & Services

- **Mondoo Platform (Agentic Managed Vulnerability Service)**: A managed service combining AI-native security platform with human experts. It detects, prioritizes, and remediates vulnerabilities across cloud, on-prem, SaaS, endpoints, containers/Kubernetes, and the software development lifecycle. Includes 70+ integrations, patented AI model, and outcomes-driven remediation (not just reporting).
- **cnquery & cnspec (Open Source)**: Core open-source tools for infrastructure querying and security/compliance policy scanning. Used by thousands of organizations worldwide and form the foundation of the commercial platform.
- **Vulnerability & Threat Intelligence**: An indexed database of 783,000+ known vulnerabilities and malicious packages, enriched with context from dark web, media, and government alerts.

## Market Standing

- **Valuation/Market Cap**: Not publicly available.
- **Key Metric**: Total Funding – **$32.5 million** (across Seed and two Series A rounds).
- **Notable Investors/Partners**: Lead investors include **HV Capital** (led $17.5M Series A in October 2025) and **Atomico** (led $15M Series A in October 2021). Angel investors include Bradley Horowitz (Google VP), Marianna Tessel (Red Hat VP/former Puppet co-founder), Andrew Clay Shafer, Dr. Nicole Forsgren (GitHub/Microsoft VP), Tom Killalea (MongoDB Chairman), and Vanessa Peguero (OneLogin CISO).
- **Growth Signals**: 300+ customers (including Fortune 50), 47 employees (LinkedIn) with active hiring, 60% vulnerability reduction for customers, <16 days mean-time-to-remediation, 10x faster than manual approaches, jobs page lists 3 open positions.

## Competitive Advantages

- **Outcomes-centric approach**: Focuses on remediation, not just detection. Guarantees measurable risk reduction.
- **Open source foundation**: Transparent, community-driven development with wide adoption of cnquery/cnspec.
- **Patented AI-native model**: Context-aware data collection across all infrastructure enabling automated, intelligent decision-making.
- **Expert team**: Founders and engineers from Google, Chef Software, AWS, Orca, Qualys, Tenable, NASA, and Deutsche Telekom.
- **Unified platform**: Single view across cloud, on-prem, SaaS, endpoints, CI/CD, and containers.

## Strategic Focus

- **Agentic vulnerability management**: Driving full remediation loops through AI agents that autonomously find, prioritize, and fix vulnerabilities.
- **Managed service model**: Scaling the combination of expert human teams and AI to reduce customer backlog without requiring them to hire more staff.
- **Continuous compliance**: Automating evidence collection for SOC 2, ISO 27001, CIS, PCI DSS, HIPAA, GDPR, NIS2, DISA STIGs, and custom policies.
- **Integrations & ecosystem**: Deepening 70+ integrations with existing tools (cloud providers, ticketing, CI/CD, SIEM, EDR).

## Why Work Here

- **Remote-first culture** with team offsites and regular in-person gatherings.
- **Flexible PTO** and country-specific well-being benefits.
- **Learning budget** (annual allowance for courses and conferences).
- **Home office setup stipend** for an ideal workspace.
- **Equity** (stock options) and competitive salary.
- **Open source & innovation**: Work on transparent, community-driven security tools; push boundaries with AI and automation.
- **Security-first mindset**: Build products that make security accessible and effective.
- **Health benefits** and a “take care of the team” philosophy.

## Sources

1. [mondoo.com/careers](https://mondoo.com/careers)
2. [mondoo.com/about](https://mondoo.com/about)
3. [mondoo.com](https://mondoo.com/)
4. [linkedin.com/company/mondoo](https://www.linkedin.com/company/mondoo)
5. [jobs.ashbyhq.com/mondoo](https://jobs.ashbyhq.com/mondoo)

## Other roles at Mondoo

- [Senior Platform Engineer](https://feeny.ai/job/senior-platform-engineer-mondoo-germany-cb4rjv6bdxn7) — Germany
- [Senior Platform Engineer](https://feeny.ai/job/senior-platform-engineer-mondoo-bulgaria-2c0w3y9yyv80) — Bulgaria
- [Senior Product Designer](https://feeny.ai/job/senior-product-designer-mondoo-united-states-9y6ym6mam76e) — United States