Backend engineer in offensive security

Hadrian; Amsterdam; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Unlimited paid holiday

Stock options package

Mobile phone stipend

Work-from-home budget

Business travel card

Swapfiets

Referral bonuses

Job summary

Hadrian ищет старшего бэкенд-инженера для проектирования и реализации высокопроизводительных сервисов и распределённых систем, питающих их платформу Offensive Security. Вы разовьёте автономные решения для сканирования, анализа и верификации уязвимостей на уровне интернета.

Требуется >4 лет опыта и устойчивые навыки разработки на Go и Python, знания PostgreSQL и опыт в DevOps/DevSecOps с Kubernetes/Knative. Вожможны удалённая работа в рамках NL, с бюджетом на работу из дома.

Qualifications

• 4+ года опыта разработки больших распределённых систем и сервисов.
• Опыт работы с Go, Python, C# или аналогичными технологиями.
• Знакомство с PostgreSQL; понимание архитектуры баз данных и масштабирования.
• Умение применять ИИ/автоматизацию в рабочих процессах и решение узких мест в продакшн.

Responsibilities

• Проектирование и внедрение высокопроизводительных бэкэнд-сервисов и распределённых систем.
• Разработка компонентов, orchestrating событий и core-логики угроз.
• Работа над API и инструментами для Agentic AI в рамках платформы.
• Развертывание и поддержка пайплайнов данных с Kafka, Kubernetes/Knative.

Skills

Go

Python

Distributed systems

Cybersecurity

Tools

PostgreSQL

Neo4j

Kubernetes

Knative

Job description

Описание: As a Senior Backend Engineer at Hadrian, you will design and implement high-performance backend services and distributed systems that power our offensive security platform. You will work on autonomous systems capable of scanning, analyzing, and validating vulnerabilities at internet scale, moving beyond traditional scanning into intelligent, agentic security operations.

Задачи

Develop and maintain event-driven components that orchestrate and execute core offensive security strategies. Translate offensive security strategies into robust, high-quality code. Architect and deploy backend services that power our Agentic AI capabilities, moving beyond simple scanning to intelligent, multi-step exploit validation. Write low-level, high-concurrency tools in Go and Python while maintaining robust, scalable APIs. Design data pipelines capable of handling massive internet-wide reconnaissance data using Apache Kafka and Kubernetes/KNative. Leverage your expertise to shape architectural decisions and align technical strategies with business goals.

Требования

Have 4+ years of experience building large-scale distributed systems, features or applications. Are proficient in languages such as GoLang, Python, C#, or similar technologies, and have experience working with PostgreSQL. Have a background in cybersecurity. Use AI pragmatically to accelerate development workflows, automating the “good enough” so you can focus on mission-critical security architecture and complex engineering challenges. Have exceptional problem-solving abilities, with the grit to investigate and resolve deep‑stated production bottlenecks. Enjoy solving complex scalability and performance challenges in distributed environments. Communicate with clarity, bridging the gap between technical complexity and product mission. Share our values and work in accordance with them Будет плюсом: Experience in DevOps / DevSecOps environments using Kubernetes, Knative, or Kafka; Hands‑on experience with Agentic AI frameworks or building autonomous agents; Experience with Python and TypeScript; You have a track record of building systems that don't just work, but perform under extreme load; Deep experience with database scaling, especially PostgreSQL and Neo4j; Contributions to open source projects

Условия

• Unlimited paid holiday
• Stock options package
• Mobile phone stipend
• Work-from-home budget
• Business travel card
• Swapfiets
• Referral bonuses