freiberufler Freelance Android Entwickler auf freelance.de

Freelance Android Entwickler

zuletzt online vor 3 Tagen
  • 85€/Stunde
  • 78078 Niedereschach
  • Europa
  • en  |  de
  • 15.11.2023

Kurzvorstellung

I'm a Senior Android developer with over 7 years experience in building high quality native apps.

Android, Kotlin, Retrofit, Room, MVVM, Jetpack Compose, Clean Code, Clean Architecture, Jetpack Navigation, Automated Tests, Cyber Security, Java, …

Qualifikationen

  • Agile Entwicklung
  • Android
  • Android Entwicklung
  • Clean Code
  • Code Review
  • Cyber Security
  • Espresso
  • Git
  • Gradle
  • Java (allg.)
  • Jetpack Compose
  • JUnit
  • Kotlin
  • MVVM
  • Neurologie
  • Representational State Transfer (REST)
  • Retrofit
  • SCRUM
  • SWIFT
  • Vue.js

Projekt‐ & Berufserfahrung

Android Instructor
Droidcon, Berlin
8/2023 – offen (9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

8/2023 – offen

Tätigkeitsbeschreibung

- Design and develop comprehensive Android development curricula tailored to different skill levels, ensuring a structured learning path for students.
- Create engaging instructional materials, including presentations, code samples, hands-on exercises, and assessments.
- Lead in-person and virtual workshops, effectively conveying complex concepts in a clear and approachable manner.
- Stay up-to-date with the latest trends, tools, and best practices in the Android ecosystem, incorporating relevant updates into course content.
- Collaborate with the Droidcon Academy team to continuously improve curriculum based on student feedback and industry advancements.
- Participate in outreach activities, including public speaking engagements and community events, to promote Droidcon Academy's educational initiatives.

Eingesetzte Qualifikationen

Android, Android Entwicklung, Gradle, Kotlin

Freelance Android Developer
NeuroFly, Schabenhausen
6/2023 – offen (11 Monate)
High-Tech- und Elektroindustrie
Tätigkeitszeitraum

6/2023 – offen

Tätigkeitsbeschreibung

An assistive neuro-techology project which allows users to be able to control a drone using vestigial muscle control coupled with an optical headset equipped with neurosensors.

- Technical consulting & training of new Android developers
- Conduction of code reviews and optimization on existing source code
● Android, Kotlin
● Github

Eingesetzte Qualifikationen

Neurologie, Android, Code Review, Android Entwicklung, Kotlin

Freelance Android Developer
J&C Bachmann, Pforzheim
9/2022 – offen (1 Jahr, 8 Monate)
Maschinen-, Geräte- und Komponentenbau
Tätigkeitszeitraum

9/2022 – offen

Tätigkeitsbeschreibung

- Technical consultation of implementations & software architecture
- Implementing Phabricator based tickets/tasks
- Code Reviews
- Documentation & Testing
● Kotlin, Java, Gradle
● Phabricator, Arc

Eingesetzte Qualifikationen

Cyber Security, Android, Code Review, Android Entwicklung, Git, Gradle, Java (allg.), Kotlin, Representational State Transfer (REST), Vue.js

Freelance Android Developer
Lexware, Freiburg
6/2022 – 4/2023 (11 Monate)
Banken
Tätigkeitszeitraum

6/2022 – 4/2023

Tätigkeitsbeschreibung

- Consultation of security-critical implementations
- Integrating and further development of code quality and scaling tools (Sonar, Snyk, CircleCI, ...)
- Consultation of software architecture
- Code Reviews
- Consultation of improving test coverage and infrastructure
- Implementing Jira based tickets/tasks
- Consultation of implementing Android-APIs
● Kotlin, Java, Espresso, JaCoCo
● Firebase, Sonar, Snyk, CircleCI
● Jira, Confluence

Eingesetzte Qualifikationen

Continuous Delivery (CDE), Kontinuierliche Integration (CI), Cyber Security, Android, Agile Entwicklung, Confluence (Atlassian), Code Review, Android Entwicklung, Git, Java (allg.), Jira, JUnit, Kotlin

Mobile Software Engineer (Festanstellung)
farmerJoe, Berlin
12/2021 – 11/2022 (1 Jahr)
Bauwirtschaft, Anlagen- und Schiffbau
Tätigkeitszeitraum

12/2021 – 11/2022

Tätigkeitsbeschreibung

- Responsibility for the development of Android & React Native apps in an agile environment
- New development of React Native and Android apps (Kotlin) in an agile team
- Conduction of code reviews and optimization on existing source code
- Writing technical documentation and usage of a ticket system (Confluence & Jira)
- Defining & implementing automated UI & Unit tests
- Experience & work with the following technologies:
● Kotlin, React Native, Espresso
● Gradle, Git, Android Studio & Visual Studio
● Confluence, Jira, Firebase & Circle CI

Eingesetzte Qualifikationen

Android, Confluence (Atlassian), Jira, Kotlin, TypeScript, JavaScript, React (JavaScript library), React Native

Freelance Fullstack/Lowcode Developer
Die Biberei, Villingen
11/2021 – 1/2022 (3 Monate)
IT & Entwicklung
Tätigkeitszeitraum

11/2021 – 1/2022

Tätigkeitsbeschreibung

- Development and documentation of Proof-of-Concept software ideas
● Docker, Postgres, AWS, RDS, ECS

Eingesetzte Qualifikationen

PostgreSQL, Docker, Amazon Web Services (AWS)

Freelance Mobile Developer
Benefits.me, Frankfurt
10/2021 – offen (2 Jahre, 7 Monate)
Dienstleistungsbranchen (Service)
Tätigkeitszeitraum

10/2021 – offen

Tätigkeitsbeschreibung

- Technical consulting & training of new Android & iOS developers
- Reviewal of tickets in the SCRUM Team
- Participation in the conception of testing
- Code Reviews
● Android, Kotlin, Gradle, Dagger
● Firebase, Sonar
● Jira, Confluence

Eingesetzte Qualifikationen

SWIFT, Cyber Security, Android, Agile Entwicklung, Code Review, Android Entwicklung, Gradle, JUnit, Kotlin, Representational State Transfer (REST)

Mobile Application Developer (Festanstellung)
Hansgrohe Group, Schiltach
9/2019 – 11/2021 (2 Jahre, 3 Monate)
Metall-, Holz- und Papierindustrie
Tätigkeitszeitraum

9/2019 – 11/2021

Tätigkeitsbeschreibung

- Responsibility for the development of iOS & Android apps in an agile environment
- New development of iOS apps (Swift) and Android apps (Kotlin, Java) in an agile team
- Conduction of code reviews and optimization on existing source code
- Writing technical documentation and usage of a ticket system (Confluence & Jira)
- Management of external development teams
- Defining & implementing automated UI & Unit tests
- Experience & work with the following technologies:
● Kotlin, Swift, Espresso & Java
● Gradle, CocoaPods, Git, Android Studio & Xcode
● Confluence, Jira, Bitbucket & AWS

Eingesetzte Qualifikationen

SWIFT, Cyber Security, Android, Android Entwicklung, iOS Entwicklung, Java (allg.), Kotlin, Representational State Transfer (REST)

Software Engineering Trainee (Festanstellung)
GATC Biotech, Konstanz
9/2016 – 8/2019 (3 Jahre)
Gesundheitswesen
Tätigkeitszeitraum

9/2016 – 8/2019

Tätigkeitsbeschreibung

- Fullstack software & application development using Java, Angular, Spring in creating a modular LIMS (Laboratory Information Management System) & developer tools for automating/simplifying processes in an international agile team.
- Performing diagnostics & bug fixes in development & productive systems.
- Changing, extending & implementing Legacy Systems.
- User guides & technical documentations with Markdown, Javadoc & Microsoft Office.
- Code quality assurance via E2E tests, JUnit tests & JaCoCo.
- Evaluation, initial setup & integration of modern/new technologies such as Elasticsearch & NGINX-Clojure.
- Apprentiship with regular visits to Zeppelin Vocational School in Konstanz for technical education.
- Experience & work with the following technologies:
● Java, Spring, Spring Boot & Angular,
● Maven, GIT, Eclipse, Visual Studio & Notepad++
● Elasticsearch, MySQL & MongoDB
● HTML, Javascript & CSS
● NGINX, NGINX-Clojure & BIRT- Fullstack software & application development using Java, Angular, Spring in creating a modular LIMS (Laboratory Information Management System) & developer tools for automating/simplifying processes in an international agile team. - Performing diagnostics & bug fixes in development & productive systems. - Changing, extending & implementing Legacy Systems. - User guides & technical documentations with Markdown, Javadoc & Microsoft Office. - Code quality assurance via E2E tests, JUnit tests & JaCoCo. - Evaluation, initial setup & integration of modern/new technologies such as Elasticsearch & NGINX-Clojure. - Apprentiship with regular visits to Zeppelin Vocational School in Konstanz for technical education. - Experience & work with the following technologies: ● Java, Spring, Spring Boot & Angular, ● Maven, GIT, Eclipse, Visual Studio & Notepad++ ● Elasticsearch, MySQL & MongoDB ● HTML, Javascript & CSS ● NGINX, NGINX-Clojure & BIRT

Eingesetzte Qualifikationen

MongoDB, NginX, Apache Maven, Git, Java (allg.), Spring, Angular, CSS (Cascading Style Sheet), elasticSearch, HTML, JavaScript

Ausbildung

Informatiker fachrichtung Anwendungsentwicklung
Ausbildung
Zeppelin-Gewerbeschule Konstanz
2019

Über mich

● Software / Application / Mobile Developer with experience in Java, Kotlin, Android, Web & Fullstack Development
● Creator of open source projects such as StreamingYorkie, blackforest-woodburnings.de & Lazy Shortcuts
● Developer of hansgrohe home, hansgrohe SmartExpert, farmerJoe & lexoffice
● Software development freelancer & technology hobbyist
● Android Instructor & Independent Writer
● Extensive knowledge in new technologies with keenness to learn more

● Married with 2 children
● MMA enthusiast

Weitere Kenntnisse

Android, Kotlin, Retrofit, Room, MVVM, Jetpack Compose, Clean Code, Clean Architecture, Jetpack Navigation, Automated Tests, Cyber Security, Java, REST APIs, iOS, Swift, Frontend Development, React, Vue, Javascript, Typescript, HTML, CSS

Persönliche Daten

Sprache
  • Deutsch (Fließend)
  • Englisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
197
Alter
34
Berufserfahrung
7 Jahre und 7 Monate (seit 09/2016)
Projektleitung
6 Jahre

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