Fullstack Engineer — Build Atlas & Nova with AI Agents

Hadrian; Amsterdam; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Permanent contract

Unlimited paid holiday

Stock options package

Mobile phone stipend

Work-from-home budget

Business travel card

Swapfiets

Referral bonuses

Job summary

Hadrian in Amsterdam is seeking a Fullstack Engineer to help shape Atlas and Nova, bridging .NET backend with a Next.js frontend. You will ship features end-to-end, own projects from design to production, and leverage AI agents to accelerate delivery while maintaining quality.

You’ll work with PostgreSQL and modern stacks like TypeScript, React, and Kubernetes, collaborating across teams to solve hard cybersecurity problems in a fast-growing startup.

Qualifications

• 3+ years of experience building APIs using an enterprise web framework with hands-on .NET/C#.
• Frontend experience with React and TypeScript; strong UI/UX sensibility.
• Solid understanding of SQL databases, ORMs, and system design concepts.
• Experience with Kubernetes and modern deployment workflows.

Responsibilities

• Build and ship features end-to-end across .NET backend and Next.js frontend.
• Take ownership from technical design to production rollout.
• Use AI agents to accelerate development while maintaining quality.
• Document decisions with Architecture Decision Records (ADRs).
• Own production aspects: monitoring, alerts, API performance, incidents.
• Work with PostgreSQL datasets and optimize queries.
• Collaborate through code reviews and cross-team knowledge sharing.
• Improve products and workflows; explore new ideas and share solutions.
• Participate in support rotation and occasional on-call duties.
• Build specialized, customer-critical cybersecurity workflows with AI assistance.

Skills

API development

Frontend development

SQL databases

ORMs

Engineering ownership

Tools

.NET / C#

Next.js

React

TypeScript

PostgreSQL

pganalyze

Kubernetes

Python

Go

Job description

Hadrian in Amsterdam is seeking a Fullstack Engineer to help shape Atlas and Nova, bridging .NET backend with a Next.js frontend. You will ship features end-to-end, own projects from design to production, and leverage AI agents to accelerate delivery while maintaining quality.

You’ll work with PostgreSQL and modern stacks like TypeScript, React, and Kubernetes, collaborating across teams to solve hard cybersecurity problems in a fast-growing startup.