Web Developer

ISCC System GmbH

  • Köln
  • Post Date: 21. November 2024
Job Description

ISCC – International Sustainability and Carbon Certification is a globally applicable and leading certification system designed to enhance traceable, sustainable, deforestation-free, and climate-friendly supply chains. ISCC certifications are widely recognised and cover sustainable agricultural biomass, biogenic wastes and residues, non-biological renewable materials and recycled carbon-based materials. The development and implementation of different certification standards is ISCC's tool to promote its mission to mitigate climate change and bring more traceability into global markets and supply chains. To date, ISCC holds more than 11,300 valid certificates in 129 countries.

Our close-knit team of dedicated, supportive, and highly motivated professionals at ISCC come from a variety of backgrounds, which contributes to the diverse and dynamic work environment. We all work together with a shared enthusiasm for sustainability and a common objective. We look forward to having you join our team at the ISCC headquarters in Cologne if you think we are a good fit for you.


At ISCC, we are a group of highly motivated professionals coming from diverse backgrounds with one goal – a more sustainable future! If you are passionate about sustainability and want to find a place where you can make a difference, we are looking forward to welcoming you as Web Developer in a permanent full-time position at our ISCC head office in Cologne.

Your tasks

  • You maintain and enhance the company's existing WordPress websites, implement new features, troubleshoot issues, and ensure the websites' security and optimal performance.
  • You leverage your advanced frontend development skills to create responsive, high-performance web applications. You develop custom features and interfaces that extend beyond the standard capabilities of WordPress.
  • You design and implement visually appealing, user-friendly interfaces ensuring an optimal user experience across all devices.
  • You collaborate closely with the Marketing and Communications team to understand requirements, provide technical guidance, and develop creative solutions aligned with brand guidelines.
  • You serve as the primary contact for external service providers, ensuring smooth communication and project execution.
  • You conduct thorough testing of web solutions to ensure they meet the highest standards of functionality, usability, and design.
  • You assist in updating and managing website content, ensuring accuracy and relevance.
  • You maintain detailed documentation of development processes, design iterations, and website updates.


  • You hold a Bachelor's degree in Web Development, Computer Science, UI/UX Design, or a related field, or equivalent professional experience.
  • You have at least 3-5 years of experience in frontend development, WordPress development and UI/UX design, with a strong portfolio showcasing previous work.
  • You are fluent in both German and English (C1 level), with excellent verbal and written communication skills in both languages. Additional language skills are a plus.
  • You have strong problem-solving abilities and a high attention to detail.
  • You can manage multiple projects simultaneously while meeting deadlines.
  • You possess excellent interpersonal skills and can collaborate effectively with cross-functional teams and external partners.


We are an international and diverse team of passionate and experienced experts, joining forces for a sustainable future! We believe that our team is our core asset and we support our people as best we can.

To help you build your future and thrive with us, we offer:

Great Team Environment

  • Various team events throughout the year (Celebrating Diversity, Summer Team Event, Christmas Party)
  • Close collaboration with our sister companies GRAS – Global Risk Assessment Services, Meo Carbon Solutions GmbH, 4C Services and ClimatePal, giving you even more development opportunities
Individual learning and development plan

  • Professional onboarding to help you have an ideal start with us
  • Frequently feedback sessions to ensure a high quality of communication and mutual reflection
  • Many free language classes
  • Access to several technical specific as well as training courses
  • The opportunity to work independently and shape processes
  • We promote from within!
Work-Life Balance

  • Hybrid set-up
  • 4 weeks remote work at a place of choice (after probation)
  • Flexible working hours and trust based working time
  • 30 vacation days and 3 additional vacation days (Christmas eve, new year's eve, carnival monday)
  • Sabbatical options
Financial benefits

  • A generous pension scheme (bAV) in line with our sustainability values
  • JobTicket/Deutschlandticket
  • Annual bonus scheme based on performance
Wellness Programs

  • Subsidised Urban Sports Club
  • Active Break scheme with weekly Yoga sessions
  • Health weeks promoting healthy habits in personal and professional life
Ready to join our team?
Then we would be happy to hear from you soon! Please apply to the link below with a meaningful cover letter, CV and any relevant certificates.

We are looking forward to your application and hope to welcome you in our team soon!

We are a company with equal opportunities for everyone and encourage applications from all suitably qualified candidates regardless of age, race, gender or any other criteria that is not a professional qualification for an open position.

Contact: Lisa Mies

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