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Software Engineer - Full Stack

Technologie
Confidential
Cologne, DeutschlandVor 3 MonatenBis 16.5.2026
VollzeitHybrid

Stellenbeschreibung

Your tasks

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 as Software 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 Your profile

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 Technical skills 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) Personal competencies 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 Why us?

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 Individual learning and development plan

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! 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

Subsidized Urban Sports Club

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 via the button 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.

Keywords
GoJavaScriptTypeScriptPythonReactVue.jsREST APIsMicroservicesDockerKubernetesGitlabScrumISO 27001OpenAPICI/CDAzureSoftware EngineerFull StackSustainabilityCarbon CertificationTransaction DatabaseApplication LandscapeWeb ServicesWorkflow AutomationData CurationTechnical DocumentationUser StoriesData SecurityRelational DatabaseDocument DatabaseGraph DatabaseGitGCP

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