Data Engineer – FileMaker

ISCC – the International Sustainability and Carbon Certification

Data Engineer - FileMaker developing and maintaining FileMaker-based applications for a sustainability certificate organization. Collaborate with teams on integrations and data modelling to enhance system performance.

Posted 7/1/2026full-timeKöln • 🇩🇪 GermanyMid-LevelSenior💰 €60,000 - €70,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxPythonSQL

About the role

Key responsibilities & impact

Analyse and document the current FileMaker database, including data structures, scripts, layouts, integrations, and operational dependencies.
Develop a thorough understanding of business processes currently implemented within the FileMaker environment.
Identify opportunities to modularise the existing monolithic solution and define target architectures for moving functionality to external or best-of-breed systems.
Design and execute a phased approach for migrating or decoupling features from FileMaker while minimising disruption to business operations.
Review, refactor, and where necessary redesign the existing data model to improve consistency, performance, and long-term maintainability.
Prepare the data structure for seamless integration with other systems, including the definition of clear data ownership, interfaces, and integration patterns (e.g. APIs, data synchronisation, or event-based integration).
Implement and maintain integrations between FileMaker and external systems, ensuring robustness, security, and data accuracy.
Collaborate with business stakeholders, IT, and external vendors to align technical changes with business priorities and future system strategies.
Establish documentation, standards, and best practices for data modelling, integrations, and ongoing system evolution.
Support knowledge transfer and ensure that architectural decisions and system behaviour are transparent and maintainable for future teams.

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Information Systems, or related field
at least 3 years of experience as a FileMaker developer or engineer
Proficient in FileMaker Pro Advanced, FileMaker Server and MBS plugin
Familiar with FM related development concepts (Anchor Buoy, Data Separation Model)
Knowledge of relational database design
Familiar with development technologies such as SQL, cURL and REST APIs, and OpenAPI
experience with system integration tools
Further programming skills (GO, Python, OData, SQL, SQL/Graph)
Proper handling of formats like JSON and XML
Familiar with methodologies like Agile, SCRUM, BPMN
Experience with operating systems: Linux, Ubuntu, Mac, Windows
Excellent analytical and problem-solving skills with a structured and detail-oriented mindset
Very good elicitation of business requirements, documenting and prioritising ability
Strong communication and collaboration skills in interdisciplinary and intercultural teams
Service-oriented mindset combined with a strong sense of responsibility and integrity
Excellent English and German language skills (at least C1, written and spoken)
High level of independence, reliability, and initiative

Benefits

Comp & perks

Great Team Environment
Various team events throughout the year (Celebrating Diversity, Summer Team Event, Christmas Party)
Close collaboration with sister companies
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
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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

FileMaker ServerMBS PluginSQLCURLREST APIsOpenAPIGOPythonJSONXML

Soft Skills

Analytical SkillsProblem-SolvingCommunication SkillsCollaboration SkillsService-Oriented Mindset