Christopher Mäuer - Mobile & Full-Stack Engineer

Q: Where is Christopher based?

Christopher is based in Berlin, Germany .

Q: What languages does Christopher speak?

Christopher speaks the following languages: German (Native), English (Advanced), French (Elementary) .

Q: How many years of experience does Christopher have?

Christopher has at least 13 years of experience. During this time, Christopher has worked in at least 12 different roles and for 11 different companies . The average length of individual experience is 1 year . Note that Christopher may not have shared all experience and actually has more experience.

Q: What is Christopher's latest experience?

Christopher's most recent position is Mobile & Full-Stack Engineer at Propstack GmbH .

Q: What companies has Christopher worked for in recent years?

In recent years, Christopher has worked for Propstack GmbH , Zeppelin Lab GmbH , AMS Service GmbH , and dotManaged .

Q: Which industries is Christopher most experienced in?

Christopher is most experienced in industries like Information Technology (IT) , Automotive , and Real Estate . Christopher also has some experience in Media, Entertainment and Publishing , Transportation and Logistics , and Food and Beverage .

Q: Which business areas is Christopher most experienced in?

Christopher is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Christopher also has some experience in Business Intelligence and Logistics .

Q: Which industries has Christopher worked in recently?

Christopher has recently worked in industries like Information Technology (IT) , Real Estate , and Construction .

Q: Which business areas has Christopher worked in recently?

Christopher has recently worked in business areas like Information Technology (IT) , Project Management , and Product Development .

Recommended expert

Berlin, Germany

Experience

Oct 2022 - Present

3 years 5 months

Mobile & Full-Stack Engineer

Propstack GmbH

Refactored the mobile app by reimplementing stores, models, API client, screens and components using Typescript
Added performant on-device storage for stores as preparation for offline mode
Integrated RNUILib to achieve a minimal and modern UI design quickly
Implemented native packages to provide additional features such as displaying of caller IDs
Planned feature development and UX improvements following initial refactoring and redesign

May 2022 - Oct 2022

6 months

On-site

Senior Full-Stack & Mobile Engineer

Zeppelin Lab GmbH

Worked on the akii product to enable smart key management on construction sites via mobile app
Implemented Bluetooth communication with smart locks in React Native
Added NFC tag reading and writing for temporary guest access
Restructured the access rights management system
Improved web app loading speeds for large lock plans through parallelized GraphQL requests

Apr 2022 - Present

3 years 11 months

Cloud Architecture Consultant, Software Architect

AMS Service GmbH

Led migration of software architecture from a monolithic to a flexible service-based architecture using domain driven development patterns
Collaborated with domain managers including product managers and managing directors
Designed, provisioned and maintained bare-metal Kubernetes clusters and automated CI/CD strategies using GitLab EE self-managed and ArgoCD for GitOps
Consulted on and integrated tech stack components including Ambassador Edge Stack, Nginx Ingress Controller, Istio Service Mesh, Keycloak, ELK (Elasticsearch, Logstash, Kibana), DataDog, ArgoCD, OSRM and Overflow API
Implemented an internal developer panel for self-service
Presented workshops on Docker, Docker Compose, test driven development and event driven architecture to software engineers

Jul 2020 - Apr 2022

1 year 10 months

Senior Full-Stack Engineer, DevOps Engineer, Software Architect

AMS Service GmbH

Modernized development processes and transitioned applications from monolithic to cloud native architecture
Rebuilt interfaces in Vue.js
Implemented RESTful APIs and WebSocket communication
Implemented JWT authentication schemes
Created CI/CD pipelines using GitLab
Restructured project management with Jira and Confluence using agile processes
Built custom Docker images for each service
Planned, built and maintained Kubernetes clusters
Onboarded and mentored new hires

Feb 2019 - Aug 2019

7 months

Bike Messenger

Deliveroo Germany GmbH

Performed bike messenger duties during training at OSZ IMT

Aug 2018 - Mar 2019

8 months

Bike Messenger

Chargery GmbH

Served as bike messenger during training at OSZ IMT

Oct 2016 - Jun 2020

3 years 9 months

Mathematical-Technical Software-Engineer (Trainee)

AMS Fuhrparkmanagement GmbH

Developed software using PHP, MySQL, Java (Android) and Objective-C/Swift (iOS)
Created two native Android and iOS apps
Implemented HTTP(S) RESTful APIs on client and server sides
Added kiosk mode for a driver authentication system for corporate car sharing
Initiated and delivered first Vue-powered web application

Jun 2016 - Jan 2018

1 year 8 months

Head of ScaleLab Germany, Full-Stack Engineer

ScaleLab, LLC.

Developed software using PHP and MySQL
Created customer dashboards for YouTube channel statistics and earnings reports
Built staff dashboards for YouTube creator management, recruiting and MCN management
Developed analysis tools for Google Analytics and YouTube Analytics data
Developed apps for a customer dashboard solution managing customer information, channel optimization reports and sponsorship management

Jan 2016 - Dec 2018

3 years

Full-Stack Engineer

Canyon Network UG (haftungsbeschränkt)

Developed software using PHP and MySQL
Built customer dashboards for YouTube channel statistics and earnings reports
Created analysis tools for Google Analytics and YouTube Analytics data
Developed bridges between an LDAP server and customer dashboards, forum software (PhpBB) and WordPress

Jun 2015 - Sep 2016

1 year 4 months

IT Student

AMS Fuhrparkmanagement GmbH

Studied applied sciences at Berlin School of Economics and Law
Developed software using PHP, MySQL, Java (Android) and Objective-C (iOS)
Created two native Android and iOS apps
Implemented HTTP(S) RESTful API communication on client and server sides
Implemented on-device encryption

Jan 2015 - Present

11 years 2 months

Self-employed

dotManaged

Provided web-hosting solutions and datacenter/network services to web agencies and resellers
Operated an autonomous network (AS213377) with multiple points of presence in German datacenters, primarily in Berlin-Tempelhof, offering networking and colocation services
Offered consulting services for large infrastructure projects, focusing on software architecture migrations towards cloud technologies

Jan 2013 - Jun 2015

2 years 6 months

Full-Stack Engineer, System Administrator

I.I.H Trade Group GmbH

Developed software using PHP and MySQL
Designed and built customer and staff dashboards for billing and service management
Managed and maintained dedicated server systems and networks
Worked with Sophos UTM, Cisco and PfSense firewall appliances
Utilized CentOS for software defined networking

Mar 2010 - Mar 2010

1 month

Software Engineer Internship

IT & I GmbH

Designed and built a web-based error reporting tool using ASP.Net C# and MSSQL

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (13 years), Automotive (5 years), Real Estate (3.5 years), Media and Entertainment (1.5 years), Construction (0.5 years), and Food and Beverage (0.5 years).

Information Technology

Automotive

Real Estate

Media and Entertainment

Construction

Food and Beverage

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (13 years), Product Development (10.5 years), Project Management (5 years), Business Intelligence (3 years), and Logistics (1 year).

Information Technology

Product Development

Project Management

Business Intelligence

Logistics

Summary

Full-Stack Engineer Over the past 8 years working in different software engineering positions, I gained knowledge and experience in designing, enhancing and maintaining PHP and Vue.js based web applications as well as mobile applications based on mobile frameworks such as React Native but also using the native languages Java, Objective-C and Swift.

DevOps Engineer As part of my efforts to modernize the development and release processes, I learned to implement CI/CD pipelines, build flexible Docker images, integrate GitOps, as well as to set up, maintain and monitor Kubernetes clusters for example using DataDog and Elastic (ELK Stack).

Software Architect At AMS, it is my responsibility to restructure the legacy monolithic web applications towards cloud ready service-based applications using REST- and GraphQL-APIs, Kubernetes, Edge Routing using Ambassador Edge Stack, centralized IAM using Keycloak, Service Mesh using Istio, Monitoring using Prometheus, Grafana, ELK-Stack and much more.

Skills

Frontend Engineering

Vue 2 & Vue 3
React & React Native
Angular

Backend Engineering

Php: Laravel, Zend Framework
Node: Express, Feather

More Languages

Javascript, Typescript
Java (+ Android Sdk) / Objective-c, Swift
C#.net
Python
Bash

Server Administration

12+ Years Of Experience In The Web-hosting And Datacenter Industry, Even Long Before My Professional Career
Virtualization: Kvm/qemu, Vmware Vsphere
Containerization: Openvm, Docker
Orchestration: Kubernetes, Openstack, Ansible

Other Skills

Networking & Routing (Bgp)
Designing And Leading Projects And Processes
Communication, Creativity, Analytical Skills, Fast-learner, Time Management, Team Work, Open To New Technologies, Tools And Languages

Languages

German

Native

English

Advanced

French

Elementary

Education

Oct 2016 - Oct 2019

Oberstufenzentrum für Informations- und Medizintechnik Berlin-Neukölln

Mathematical-Technical Software-Engineer · Berlin, Germany

Oct 2015 - Oct 2016

Hochschule für Wirtschaft und Recht Berlin

Computer Science · Berlin, Germany

Sep 2013 - Jul 2015

Schul- und Leistungssportzentrum Berlin

A-Level (Abitur) · Berlin, Germany

...and 1 more

Certifications & licenses

Elastic Sales Engineer: Enterprise Search, Observability & Security

Elastic Sales Professional

Elastic Sales Specialist: Enterprise Search, Observability & Security

YouTube Certified - Digital Rights

Samsung Enterprise Alliance Program Silver Partner

YouTube Certified - Audience Growth

Profile

Created

September 2023

Last Update

September 2024

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Christopher based?

Christopher is based in Berlin, Germany.

What languages does Christopher speak?

Christopher speaks the following languages: German (Native), English (Advanced), French (Elementary).

How many years of experience does Christopher have?

Christopher has at least 13 years of experience. During this time, Christopher has worked in at least 12 different roles and for 11 different companies. The average length of individual experience is 1 year. Note that Christopher may not have shared all experience and actually has more experience.

What roles would Christopher be best suited for?

Based on recent experience, Christopher would be well-suited for roles such as: Mobile & Full-Stack Engineer, Senior Full-Stack & Mobile Engineer, Cloud Architecture Consultant, Software Architect.

What is Christopher's latest experience?

Christopher's most recent position is Mobile & Full-Stack Engineer at Propstack GmbH.

What companies has Christopher worked for in recent years?

In recent years, Christopher has worked for Propstack GmbH, Zeppelin Lab GmbH, AMS Service GmbH, and dotManaged.

Which industries is Christopher most experienced in?

Christopher is most experienced in industries like Information Technology (IT), Automotive, and Real Estate. Christopher also has some experience in Media, Entertainment and Publishing, Transportation and Logistics, and Food and Beverage.

Which business areas is Christopher most experienced in?

Christopher is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Christopher also has some experience in Business Intelligence and Logistics.

Which industries has Christopher worked in recently?

Christopher has recently worked in industries like Information Technology (IT), Real Estate, and Construction.

Which business areas has Christopher worked in recently?

Christopher has recently worked in business areas like Information Technology (IT), Project Management, and Product Development.

What is Christopher's education?

Christopher attended Oberstufenzentrum für Informations- und Medizintechnik Berlin-Neukölln for Mathematical-Technical Software-Engineer.

Does Christopher have any certificates?

Christopher has 6 certificates. Among them, these include: Elastic Sales Engineer: Enterprise Search, Observability & Security, Elastic Sales Professional, Elastic Sales Specialist: Enterprise Search, and Observability & Security.

What is the availability of Christopher?

Christopher is immediately available for suitable projects.

What is the rate of Christopher?

Christopher's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.