Frontend Developer / Remote within Germany (Allgenders)

Circunomics; Mainz; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading technology startup in Mainz is looking for a skilled developer to join their team. You will work on an innovative Lifecycle Management platform, utilizing your expertise in Angular and web technologies. Responsibilities include data visualization and collaboration with cross-functional teams to ensure robust application development. Candidates should have strong experience in UI architecture and be comfortable in a remote working environment. Excellent communication and a proactive attitude are essential. Join us in contributing to a sustainable future.

Leistungen

Flexible Working Hours

Monthly Perks Stipend

Generous Holiday Days

L&D Budget for professional growth

Hybrid Work Options

Flat Hierarchies

Career Growth & Mentorship

Qualifikationen

• 3+ years in architecting and implementing scalable UI.
• Skilled in frontend quality tooling (ESLint, Prettier).
• Experience with software releases.

Aufgaben

• Maintain an analytics based Lifecycle Management platform.
• Visualize complex battery data and usage KPIs.
• Contribute to architectural decisions and component design.

Kenntnisse

Proficiency in JavaScript, TypeScript, HTML, CSS/SASS

Strong knowledge with Angular 17+

Experience with RESTful API design

Good communication skills

Experience working in remote teams

Understanding of CI/CD pipelines

Ausbildung

Degree in Computer Science or a similar technical field

Tools

Angular

ECharts

D3

REST APIs

GitHub Actions

Jobbeschreibung

Stellenbeschreibung

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 ;

Your profile

• Develop and maintain a state‑of‑the‑art analytics based Lifecycle Management platform and marketplace using Angular
• Visualize complex battery data and usage KPIs using frameworks such as ECharts, D3, Chart or Recharts
• Continuously leverage, maintain and extend our Component Library (Storybook)
• Implement GDPR‑compliant security and optimize performance using 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
• Provide a robust application with high‑test coverage (unit tests)
• Continuously maintain and sustain technical documentation

You have

• Degree in computer science or a similar technical field
• 3+ years of architecting and implementing scalable, multi‑component User Interface
• Proficiency in key web technologies to create responsive, accessible UIs using JavaScript, TypeScript, HTML, CSS/SASS
• Strong knowledge with Angular 17+ and charting frameworks
• Proficient in component‑based architecture, state management, and building reusable UI components.
• Skilled in frontend quality tooling e.g. ESLint, Prettier or Husky as well with testing and automation e.g. Jasmine or Karma
• Solid understanding of RESTful API design and implementation
• Familiar with CI/CD pipelines using GitHub Actions
• Great communication skills
• Experience working as part of a remote team, sharing ideas, and presenting concepts effectively
• Motivated and proactive attitude about improving the work
• Experience with software releases
• Good command of English, it’s a must, and German is a plus

Bonus points for

• AWS Certifications
• Experience with backend technologies (PHP, Node.js) and IaaS
• Ability to implement UX analytics to analyse user activity on a website or app that provides insights into how its design can be adapted to meet the current or changing needs of end users

Why us?

• Flexible Working Hours: Embrace a healthy work‑life balance with our autonomous scheduling that lets you manage your day effectively.
• €50 Monthly Perks: Receive a monthly stipend to use on wellness, dining, or other benefits that suit your lifestyle.
• 28 Holiday Days + Public Holidays: Enjoy generous time off, including the ability to carry over days or earn extra days for milestones.
• Dedicated L&D Budget: Invest in your growth with a budget covering professional certifications, conferences, and personal development opportunities.
• Hybrid Work Options: Work from home part‑time or full‑time, with flexibility around core hours to suit your needs.
• Flat Hierarchies: Experience open communication and collaborative decision‑making in our innovative environment.
• Career Growth & Mentorship: Advance your career with creative freedom, mentorship programs, and clear leadership opportunities.

About Us

Circunomics GmbH, based in Mainz, Germany was founded in 2019. Circunomics is leading the industry by offering a comprehensive battery lifecycle management solution. Co‑Founders Felix Wagner and Jan Born are dedicated to establishing a true circular battery economy, which in turn maximises each stage of battery life. Along with their team, they seek to inspire the movement of batteries from the automotive industry, to the energy sector, and finally on to recyclers who close the loop by recovering any remaining raw materials.

Circunomics has developed an AI‑powered, B2B marketplace where cells, modules, and packs can be sold and purchased. Through the Circunomics Analytics product, sellers and buyers alike can obtain a detailed view of their assets. From current SoH to 2nd‑life simulation, this product allows for a simpler and more profitable lifecycle management. Circunomics knows that lifecycle planning is complex, and the Battery Matchmakers are on a mission to help ease this process for their customers.

The company has been supported thus far by seed investors and business angels. Startup builder Next Mobility Labs, recycler TES, Orlen VC, and Dr. Peter Mertens (former Chief Technology Officer of Audi) are some of the key players. The Series A funding round was completed in December of 2024 with the addition of investors, Schaeffler and GET Fund.

Official expansion into the US Market transpired in January of 2025 with the hiring of Adam Willmoth who will serve as the company’s US Managing Director. Circunomics looks forward to further collaboration with current US clients and to further growth within this key global market.

Top Awards Received

• US‑based company Frost & Sullivan awarded Circunomics the 2023 Market Leadership Award. This award identified Circunomics as the Best in Class within the European Circular Marketplace for the Battery Trade Industry.
• Automobilewoche and McKinsey & Co. awarded Circunomics 2nd Best StartUp within the automotive industry for 2023.
• Motor Presse Stuttgart, with its leading automotive trade magazine auto motor und sport, and the HUK‑Coburg insurance group awarded Circunomics the Safety & Environment Award for 2024. For more info here.

Top Publications and Podcasts

• Auto motor und sport podcast
• Spotify Episode
• E world essen
• Easy engineering – most advanced digital life cycle

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