Frontend Developer / Remote within Germany (All genders)

Circunomics; Mainz; Hybrid; EUR 50.000 - 70.000; Vollzeit

Zusammenfassung

Circunomics, a leading innovator in battery lifecycle management located in Mainz, Germany, seeks a Frontend Developer to join their remote-friendly team. You will contribute to developing an analytics-based marketplace, working with modern technologies like Angular and REST APIs. The role offers flexibility, professional development opportunities, and a supportive work environment committed to sustainable practices.

Leistungen

Flexible working hours

€50 monthly perks stipend

28 holiday days plus public holidays

Dedicated L&D budget for certifications

Hybrid work options

Flat hierarchies and open communication

Career growth opportunities

Qualifikationen

• 3+ years of experience in scalable, multi-component UI.
• Strong knowledge of Angular and charting frameworks.
• Familiarity with CI/CD pipelines using GitHub Actions.

Aufgaben

• Develop and maintain a state-of-the-art Lifecyle Management platform using Angular.
• Visualize complex battery data using E Charts, D3, or similar frameworks.
• Collaborate closely with product managers and backend team to integrate REST APIs.

Kenntnisse

JavaScript

TypeScript

HTML

CSS/SASS

Angular 17+

RESTful API design

Ausbildung

Degree in computer science or similar technical field

Tools

ESLint

Prettier

Husky

Jasmine

Karma

Jobbeschreibung

Frontend Developer / Remote within Germany (All genders)

Your mission

At Circunomics, we are transforming the circular economy with groundbreaking solutions for the lifecycle management of batteries. As a dynamic startup leading the charge in green technology and sustainability, we harness the power of cutting-edge software and data-driven insights to optimize efficiency, minimize waste, and make a meaningful impact on the environment. Join our dedicated team of innovators as we pave the way for the future of battery technology and drive the global transition toward a sustainable energy future.

CX-Video 2023 —https://youtu.be/ZrFiz-M0Xrc

Product Video 2023 —https://youtu.be/OGpx4Wkmetw

Responsibilities

• Develop and maintain a state-of-the-art analytics-based Lifecycle Management platform and marketplace using Angular
• Visualize complex battery data and KPIs using frameworks like E Charts, D3, Chart, or Recharts
• Leverage, maintain, and extend our Component Library (Storybook)
• Implement GDPR-compliant security and optimize performance with smart caching
• Contribute to architectural decisions and component design strategy
• Work in an agile interdisciplinary team with product managers, UX designers, and collaborate closely with the backend team to integrate REST APIs
• Develop and integrate E2E tests according to test definitions
• Ensure high-quality application with comprehensive unit test coverage
• Maintain technical documentation continuously

Qualifications

• Degree in computer science or a similar technical field
• 3+ years of experience architecting and implementing scalable, multi-component UI
• Proficiency in web technologies: JavaScript, TypeScript, HTML, CSS/SASS
• Strong knowledge of Angular 17+ and charting frameworks
• Experience with component-based architecture, state management, and reusable UI components
• Skilled in frontend tooling (ESLint, Prettier, Husky) and testing/automation (Jasmine, Karma)
• Solid understanding of RESTful API design
• Familiarity with CI/CD pipelines using GitHub Actions
• Excellent communication skills and experience working remotely
• Motivated, proactive, and experienced in software releases
• Good command of English; German is a plus

Bonus Points

• AWS Certifications
• Experience with backend technologies (PHP, Node.js) and IaaS
• Ability to implement UX analytics for user activity insights

Why us?

• Flexible working hours for work-life balance
• €50 monthly perks stipend
• 28 holiday days plus public holidays, with carry-over options
• Dedicated L&D budget for certifications and conferences
• Hybrid work options
• Flat hierarchies and open communication
• Career growth and mentorship opportunities

About Us

Circunomics GmbH, based in Mainz, Germany, was founded in 2019. We lead the industry with comprehensive battery lifecycle management solutions, aiming to establish a circular battery economy. Our AI-powered B2B marketplace and analytics platform support the sustainable reuse and recycling of batteries. Supported by seed investors, we completed Series A funding in December 2024, and expanded into the US market in January 2025. Recognized with several awards, we are committed to innovation and sustainability in the energy sector.