Oliver Adria’s
Holistic Development Agency


Consulting & Development of high-quality, secure and fast web apps, web prototypes & APIs.


Small to medium sized software development agencies, Startups with basic funding, Small non-technical companies (1 - 10 employees).

Check out our 10k MVP process

Own Projects

NachhaltigeJobs.de Jobboard and Community for sustainability, NGO and CSR jobs.
Cologne.io Jobboard and Community for the digital and startup scene in Cologne, Germany.

Tech Stack (Custom Web Apps)

Backend: PHP 7 & Symfony 3
Infrastructure: Amazon AWS - ElasticBeanstalk, RDS, CloudFront, S3
Databases: PostgreSQL (alternatively MySQL or MariaDB)
Frontend: Bootstrap (3 and 4), Vue.js, Webpack
Performance and Quality: WebPagetest (page performance), Blackfire (backend performance), Symfony Profiler (development and quality), SensioLabsInsight (code quality)
Other Services: Algolia Search
Server: Basic Apache / nginx administration
Further skill areas: Online Marketing, Search Engine Optimization (SEO)