Manuel
Gerstner
Software Engineer and Cloud Architect specializing in data-intensive web systems, geospatial data processing, and AI-enabled platforms. Proven experience designing scalable backend architectures — including geospatial data pipelines and standards-aligned APIs — across international development projects (GIZ, EU, CRS). Strong background in Linux-based deployments, DevOps, and AI integration with a focus on interoperability, modular systems, and data-driven decision-making.
Core Competencies
Web Development
- Spring Boot
- Django
- Ruby on Rails
- REST APIs
- Modular architectures
Geospatial
- PostGIS
- Spatial data processing
- Shapefiles
- OGC / WMS / WFS / WMTS
Data & APIs
- Interoperable API design
- JSON / XML
- Structured data systems
AI Integration
- LLM APIs
- Azure OpenAI
- OpenWebUI
- Automated text generation
Web GIS
- Leaflet
- Map-based visualization
Infrastructure
- Linux
- Docker
- AWS
- Terraform
- CI/CD
- CloudFormation
- ECS
Technical Stack
Java · Spring Boot · Python · Django · Ruby on Rails · PostgreSQL · SQL · AWS · Terraform · Docker · REST · Git · Linux · ElasticSearch · Node.js · React · Android (Kotlin)
Experience
Software Developer / Cloud Architect
FAKT GmbH / GOPA / GIZ / Bread for the World
Germany (remote)
- ▸ Designed and implemented data-driven web platforms and monitoring systems (PostgreSQL) across multiple international development projects in Africa, Eastern Europe, and ASEAN
- ▸ Developed geospatial data processing capabilities, including ingestion and processing of spatial datasets (e.g. shapefiles)
- ▸ Built data collection pipelines and mobile applications enabling field data acquisition and synchronization
- ▸ Designed interactive dashboards and analytics tools supporting program monitoring and decision-making
- ▸ Implemented modular backend architectures and APIs for extensibility and interoperability
- ▸ Led requirements engineering and product ownership, coordinating distributed development teams
- ▸ Deployed and maintained applications in Linux-based cloud environments
- ▸ Developed and integrated an AI-powered platform (OpenWebUI + Azure OpenAI) for compliance workflows, enabling automated text generation and intelligent assistance
Software Developer / Cloud Architect
eeMobility GmbH
Munich, Germany
- ▸ Designed and implemented a scalable microservices architecture with multiple PostgreSQL databases
- ▸ Developed API-driven backend systems emphasizing modularity and interoperability
- ▸ Migrated infrastructure to AWS (CloudFormation, ECS), improving scalability and reliability
- ▸ Contributed to building a high-performance platform in the electric mobility sector
IT Consultant / Software Developer
Netlight Consulting
Munich, Germany
- ▸ Developed backend systems and platforms for enterprise clients in distributed architectures
- ▸ Built and maintained microservices-based systems for mobility and digital platforms
- ▸ Led technical design and product ownership activities in agile teams
- ▸ Integrated external systems and services into high-volume production environments
Earlier Experience
Payback GmbH · IBM (USA)
- ▸ Software Developer (Working Student) at Payback GmbH
- ▸ Software Developer Intern at IBM (USA)
Education
Master of Science, Information Systems
Technical University of Munich
2012 – 2014
Bachelor of Science, Information Systems
Technical University of Munich
2008 – 2012
Certifications
- ✓ IBM Certified Database Administrator
- ✓ IBM Certified Database Associate
Projects
xingen.de
ProprietaryProprietary e-invoicing platform for standards-compliant electronic invoice generation and processing (XRechnung / ZUGFeRD), built for the German market.
xingen.de →nko-nto
Open SourceOpen-source multi-currency accounting tool designed for NGOs and international organizations operating across multiple currencies and fiscal contexts.
github.com/manuelgerstner/nko-nto →