# Senior Frontend Engineer - Process Modeling Team

**Company:** [Celonis](https://hotfix.jobs/companies/celonis)
**Location:** Madrid, Spain
**Role:** Frontend Engineering
**Experience:** 5+ years
**Skills:** TypeScript, Angular, HTML, Graph Layout, Graph Rendering, Data Visualization, Github Copilot, Cursor, Claude Code, Yfiles
**Posted:** 2026-08-21

> Build and evolve Celonis’s process-modeling library, focusing on graph rendering, dynamic layouts, and intuitive interactions for complex datasets. The role requires 5+ years of frontend engineering experience, strong TypeScript and Angular skills, visualization-system ownership, and daily use of AI coding tools.

## Job Description

## Responsibilities
- Design and build the Modeling Library’s core components using TypeScript, Angular, and HTML5.
- Solve complex visualization problems, including fast interactions, dynamic graph layouts, and graph interactions.
- Use AI coding tools daily to accelerate development and problem-solving for graph layout, rendering, and interaction challenges.
- Collaborate with Product, UX, and engineering teams to turn modeling requirements into working features.
- Write clean, tested code and contribute to technical decisions.
- Mentor other engineers.

## Requirements
- 5+ years of professional frontend engineering experience.
- Strong hands-on mastery of TypeScript, Angular, and HTML5.
- Experience owning complex visualization or graph-based systems end to end.
- Proven ability to solve complex visualization problems.
- Daily hands-on use of AI coding tools such as GitHub Copilot, Cursor, or Claude Code.
- Based in or near Madrid and available to work onsite part of the week.
- Good written and spoken English.

## Nice to Have
- Experience with a graph layout library such as yFiles.

## Compensation and Benefits
- Restricted Stock Units and merit-based refresh grants for full-time employees.
- Inclusive paid parental leave.
- Flexible hybrid work model and paid time off.
- Learning framework, mentorship programs, and access to a dedicated learning platform.
- Subsidized Wellhub memberships and mental health counseling.
- Paid volunteer time through annual Impact Days.

## Similar jobs

- [Senior Frontend Software Engineer - Orchestration and Automation](https://hotfix.jobs/jobs/78a71118-597d-4079-9c3d-fd3b2469818e) - Celonis - Madrid, Spain
- [Senior Design Engineer, Design System](https://hotfix.jobs/jobs/079867fb-6b7b-461f-a170-932ff6b56820) - Celonis - Madrid, Spain
- [Senior Frontend Engineer](https://hotfix.jobs/jobs/b4c04e73-6eb3-468b-90bc-7391e549f389) - Aleo - Remote
- [Design Engineer - Creative Studio](https://hotfix.jobs/jobs/de420dad-8a9b-4873-8439-e2166524b32a) - ElevenLabs - Remote
- [Software Engineer, New Grad - Frontend](https://hotfix.jobs/jobs/3c396f3c-466b-4f9a-80af-b4944506415a) - Stripe - Barcelona, Spain

**Apply:** https://hotfix.jobs/jobs/ea2f6d26-96c3-4d22-afcb-f7f886ef7453
**Canonical:** https://hotfix.jobs/jobs/ea2f6d26-96c3-4d22-afcb-f7f886ef7453