Software Engineer - Full Stack

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.

ISCC – International Sustainability and Carbon Certification is one of the leading certification systems for sustainability, traceability and the reduction of greenhouse gas emissions. As part of our continued growth, we are focussing on the further development of our Transaction Database and expanding our IT & Technology team.
To support this strategic step, we are looking forward to welcoming you asSoftware Engineer – Full Stack to work closely with our internal stakeholders and take responsibility for building, integrating and continuously improving our application landscape.
If you are passionate about building high-quality software with real-world impact and would like to contribute to a sustainability-driven and culturally certified Great Place to Work®company, we look forward to your application!
Your main duties will be:

• Design, development, and maintenance of full-stack applications, web services and REST APIs
• Implementation and integration of ISCC applications with external systems and web services
• Automation and optimization of workflows and data-driven processes
• Preparation, analysis, and curation of business-relevant data
• Creation and maintenance of clear technical documentation in line with internal standards
• Translation of business requirements into technical solutions, including refining and implementing user stories
• Ensuring consistency, integrability and data security across applications
• Active contribution to cross-functional projects and continuous improvement initiatives
• Close collaboration within the IT team, reporting to the Senior IT Project Manager & Team Lead

Professional background

• University degree in computer science, computer engineering, or a comparable field
• At least 2 years of professional experience as a full-stack software engineer or in a similar role
• Experience in creating structured technical documentation (e.g. OpenAPI for REST APIs, or for ISMS or comparable standards)
• Strong understanding of secure software development; knowledge of ISO 27001 is a strong plus

• Strong proficiency in Go, JavaScript/TypeScript and Python (additional languages such as Java or C# are a plus)
• Experience with modern frontend frameworks (e.g. React, Vue.js) and basic styling solutions
• Solid backend experience and familiarity with common architectural patterns for monolithic (e.g. multi-tier, hexagonal) as well as distributed microservices setups with high availability, failover modes, caching, message buses, etc.
• Experience with various database system types: relational-, document-, and graph-based
• Confident use of Git-based workflows and CI/CD pipelines; experience with Gitlab is a plus
• Experience with containerised environments (Docker; Kubernetes is a plus)
• Familiarity with cloud-native environments (Azure, GCP, AWS is a plus)
• Experience working in agile environments (Scrum)

• General aptitude to learn new programming languages
• Excellent analytical and problem-solving skills with a structured and detail-oriented mindset
• Strong communication and collaboration skills in interdisciplinary and intercultural teams
• Service-oriented mindset combined with a strong sense of responsibility and integrity
• Excellent English language skills (at least C1, written and spoken); German language skills are a plus
• High level of independence, reliability, and initiative

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 Meo Carbon Solutions GmbH, GRAS Global Risk Assessment Services, 4C Services, ClimatePal, and TYC
• The opportunity to work independently and shape processes

• Professional onboarding to help you have an ideal start with us
• Frequent feedback sessions to ensure a high quality of communication and mutual reflection
• Many free language classes
• Access to several trainings as well as specific technical courses
• We promote from within!

• 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

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

• Subsidized Urban Sports Club
• Health weeks promoting healthy habits in personal and professional life