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Letztes Update: 05.02.2021

CTO / Managing Director, Digital Consultant & Software Developer

Abschluss: Dipl.-Kfm. (FH)
Stunden-/Tagessatz: anzeigen
Verhandelbar (je nach Projekt und Umfang)
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Schlagworte

PHP Laravel REST API Entwicklung Lumen LIvewire TailwindCSS Beratung / Consulting

Dateianlagen

cv_riehl_stefan_2021.pdf

Skills

Programming, PHP5/7 OOP, Laravel Framework, Lumen Framework, Javascript, HTML5, CSS3, Tailwind CSS, Bootstrap, Response Design, Mysql, MongoDB, ElasticSearch, Redis, Postgres, Webservices, REST, JSON, API Development, OpenAPI 3, JSON Schema, UnitTests, PHP Package Development, Application Security, Server Security, CI/CD, Docker, Agile Methodologies, SCRUM, Kanban, Applications, MicroServices, Software Architecture, Database Design, Infrastructure, git, Github, Gitlab, Bitbucket, Jira, Confluence, PHPStorm, VSCode, User Experience, SaaS, data structure, encryption, Mailgun, Sendgrid, User Management, IBM Cloud, Gridscale, Backend + Frontend Developer, Architect PHP

Projekthistorie

01/2018 - 12/2019
Team Lead, Architect, Backend Developer
Insurance company
Application for the reinvestment of life insurance policies.Personalized
webpage for each customer. Building dashboards for statistics and KPI
development.

Team Lead, Architect, Backend Developer
Laravel, PHP, Webservices, SFTP, SMS, Queues

01/2016 - 12/2019
Microservices
API Platform Development
Development of various high performance and secure API Microservices.
Stream API: Receiving millions of events with a schema less data structure.
It's similar to keen.io.
File API: File storing handling with encryption at rest, virus scan, and image
manipulation. File delivery for time based access with signature algorithm.
Decision Engine API: making decisions based upon predefined complex
rules. Usage of Machine Learning CART algorithms. Audio API : generating
complex audio files by concatenation
Video API : generating complex personalized video files
Messaging API : send messages through different channels (SMS, Email) by
various providers (Mailgun, Sendgrid)

User Management API : configuration of the base system with users,
groups, roles, permissions, etc.
Team Lead, Architect (SW + DB), Backend Developer

Technologies: Laravel, PHP7, Webservices, Docker, IBM Cloud, Gridscale,
Redis, Mysql, MongoDB, Queues, Security, ML,
CI/CD

01/2012 - 12/2019
CTO / Managing Director
dotkomm GmbH
.dotkomm GmbH, Cologne
Internet Consultancy

01/2016 - 01/2019
CTO / Managing Director
Personal Business Machine AG
Personal Business Machine AG, Cologne
SaaS Platform

01/2017 - 12/2018
Team Lead, Architect, Backend Developer
Banking website with complex credit application process. Connection to
banking core system via webservices.

Team Lead, Architect, Backend Developer
Laravel, PHP, Webservices, REST (JSON), Docker

01/2016 - 12/2017
Team Lead, Architect, Backend Developer
Application for the reinvestment of life insurance policies. Personalized
webpage for each customer.Building dashboards for statistics and KPI
development.

Team Lead, Architect, Backend Developer
Technologies: Laravel, PHP, Webservices, SFTP, SMS, Queues

01/2015 - 12/2017
Architect, Backend + Frontend Developer
Application for the explanation of the benefit accounting of health
insurances. The explanations are realized individually for each client by
means of personalized video and website. Dashboard realization.
Connection to health insurance input management system.
Architect, Backend + Frontend Developer

Technologies: Laravel, PHP, Webservices, SMS, SFTP

01/2015 - 12/2017
Architect, Backend + Frontend Developer
Application for managing documents and communications between
insurance agents and their customers. Documents can be signed digital
(InSign). Developed the Backend and the Frontend.

Architect, Backend + Frontend Developer
Technologies: Laravel, PHP, Webservices, InSign, Input Management, SMS

01/2016 - 01/2017
Microservices
Internal Systems
Building an internal service portal with account management, project
management, time reporting, invoices, cost management, and so on

Backend and Frontend Developer
Laravel, PHP7, Mysql, Queues, Redis

01/2015 - 12/2016
Architect, Backend Developer
Customer Care Center
Application for taking out supplementary dental insurance. Connection to
the customer CRM system. Video personalization. Creation of a dashboard
to analyze user behavior and statistics.
Architect, Backend Developer

Laravel, PHP, Webservices, REST (JSON), CSV Import + Export, SFTP

01/2014 - 12/2016
Team Lead, Architect, Backend + Frontend Developer
Insurance company
Development of an administration platform for video management within
insurance extranet for their agents.

Team Lead, Architect, Backend + Frontend Developer
Technologies: Laravel, PHP, Webservices, Javascript

01/2004 - 01/2012
Digital Consultant & Software Developer

01/2007 - 12/2009
Interim COO
Contentteam AG
Contentteam AG, Cologne
IT Solution Provider

01/2007 - 12/2008
Tax Advisor Special Expert Web Portal
Realization of a web portal for special experts from sectors tax advisor,
finance, law, real estate; the application funcionalities are similar to Xing,
including frontend application and back-office administration
Backend + Frontend Developer, UX/UI, Consultant

PHP, HTML, CSS, Javascript, MySql

01/2006 - 12/2008
Interim CEO
Imageloop GmbH
Imageloop GmbH, Cologne
Photo & Slideshow SaaS Provider

01/2004 - 12/2008
Managing Director
Emric Internet Services GmbH
Emric Internet Services GmbH, Cologne
Internet Services & Price Comparison Platform

01/2004 - 12/2006
Developer, Consultant
HR Personal Information System
Realization of a personal information management system (client-server
based) for a medium-sized media company; main features were: report
generator for huge history data; tracking of all changed data; very complex
data model; employee informations about salary history, bonus system,
organizational unit history etc.; extended statistics and reports
Developer, Consultant

Technology: MS Access DB

01/1996 - 12/2003
Founder & Managing Director
Framfab Deutschland AG
Framfab Deutschland AG, Cologne
One of the largest Internet Consultancies in Germany

01/2001 - 12/2002
Head of International Operations
Framfab AB
Framfab AB, Sweden
One of the largest Internet Consultancies in Europe

01/1996 - 12/1997
Co-Author of the Book

01/1987 - 12/1992
Employee
Kölner Bank von 1867

Zeitliche und räumliche Verfügbarkeit

Reisebereitschaft vorhanden

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