Backend- und Frontend-Entwickler mit jahrelanger Erfahrung in der Entwicklung von sicherheitsrelevanten und verteilten Systemen
Aktualisiert am 23.02.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 23.02.2024
Verfügbar zu: 100%
davon vor Ort: 0%
Node.js
Go
User Interface Design
Javascript
Linux
NoSQL
Apache Cassandra
Redis
Microservices
NGINX
ELK Stack
SQL
ElectronJS
TypeScript
C
API Design
Docker
Java
AWS
GraphQL
Rust
Kubernetes
Terraform
Deutsch
Muttersprache
English
Verhandlungssicher

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland
möglich

Projekte

Projekte

2 Jahre 11 Monate
2021-11 - heute

Responsible for the integration of a headless CMS

Project Lead and Full Stack Developer, TUI Group Tech Forum Member AWS Cloud (wide range of services) CI/CD Eleventy ...
Project Lead and Full Stack Developer, TUI Group Tech Forum Member

  • Responsible for the integration of a headless CMS, optimizing services and (micro-)frontends utilizing AWS. 
  • Holding a key role in TUI's Web Architecture Forum, setting technical standards and benchmarks. 
  • Maintain strong relationships with key stakeholders to ensure alignment and smooth progression of project objectives. 
  • Mentor of interns and students, providing guidance and support on their professional development journeys.

TUI.com
AWS Cloud (wide range of services) CI/CD Eleventy Gatsby NodeJS Express Helmet GraphQL Go Mux Gin Jasmine TDD React Preact Datadog Contentful Vanilla JS TypeScript MFEs Static Site Generation Varnish Docker Kubernetes NGINX Apache http Web Components Core Web Vitals SEO Tracking Adobe Photoshop Adobe XD
TUI Group / TUI.com
Berlin
1 Jahr 9 Monate
2019-12 - 2021-08

Risk Management Consultancy

Lead Software Developer AWS Node.js ExpressJS ...
Lead Software Developer

  • Developed in partnership with industry specialists and analysts, a risk management platform for both private and government sectors. 
  • This platform adeptly identifies risks across corporate, project, IT, and security sectors. 
  • It incorporates industry-proven risk analysis capabilities, ensuring comprehensive threat assessment, effective mitigation planning, risk monitoring and reporting.

AWS Node.js ExpressJS Kraken Helmet nginx MongoDB Vuejs Neo4j Bootstrap pm2 Redis Apache Kafka Go server-side push PGP CI/CD WS NodeJS Express NGINX VueJS socketio gRPC continuous integration with Jenkins Docker ElectronJS
Berlin
3 Monate
2021-03 - 2021-05

Consolidated data via API aggregation

Systems Engineer C Lua TCP/IP ...
Systems Engineer

  • Consolidated data via API aggregation, managed gateway operations, enhanced security with TLS bootstrapping and utilized LTE technology (details under NDA)

C Lua TCP/IP TLS/SSL OpenResty Ret Hat LTE-Advanced
1 Jahr 4 Monate
2020-01 - 2021-04

Engaged in a collaborative project

IT Consultant, Software Developer, System Tester LTE-Advanced Radio Technologies VIAVI Tracer ...
IT Consultant, Software Developer, System Tester

  • Engaged in a collaborative project with the German Agency for Digital Radio of Security Authorities and Organizations (BDBOS), Vodafone, Nokia, Ericsson, German law enforcement and security agencies to perform comprehensive LTE-Advanced testing using Nokia and Ericsson hardware. 
  • This initiative was crucial for the development of a dedicated LTE-Advanced infrastructure for security agencies, aimed at ensuring network robustness, reliability, and security. Actively performed various testing procedures, analyzing network performance and security protocols. 
  • In partnership with the IABG, a reputable German analysis and test engineering company, co-authored an insightful report for the BDBOS, encapsulating key findings, recommendations, and methodologies employed during the testing phase.

LTE-Advanced Radio Technologies VIAVI Tracer Nokia Hardware and Software Solutions CISCO Wireshark Go NGINX NodeJS C TCP/IP Red Hat Solaris Nokia and E/// Core
Berlin
1 Jahr 2 Monate
2019-11 - 2020-12

Developed backend and user application

Lead Software Developer AWS Kafka Apache Cassandra ...
Lead Software Developer

  • Developed backend and user application for a music collaboration platform, catering to professionals, labels, brands and events. 
  • Builds on work from the 'Entrepreneurship' section.

Music Label SaaS Solution
AWS Kafka Apache Cassandra Go Node.js MongoDB Redis Kubernetes Kraken C WebAssembly Rust AWS Cloud (wide range of services) Apache Kafka VueJS Web Components NodeJS Docker gRPC Boostrap Helmet ElectronJS
9 Monate
2019-10 - 2020-06

Responsible for further development and the cross-border infrastructure

Lead Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js Expression Blend Restify ...
Lead Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Responsible for further development and the cross-border infrastructure of KATWARN, hessenWARN and EUWARN warning systems used by the European Commission, ensuring Commission's internal and cross-border security. 
  • Collaboration with the EU Commission's Join Research Centre Ispra on aTsunami alerting prototype, with dedicated focus on  hardware-to-user notification process.

KATWARN hessenWARN EUWARN
Node.js Expression Blend Restify Kraken Helmet nginx MySQL MongoDB Angular Vue.js Twitter Bootstrap RabbitMQ AMQP Redis Kafka Go IBM Cloud gRPC MQTT ActiveMQ etcd CI/CD Git Jenkins Debian Ubuntu NodeJS Express NGINX Angular 1.x and 2+ VueJs Bootstrap ElectronJS Fontawesome pm2 Websocket socketio continuous integration with Jenkins server-side push
KATWARN international - Fraunhofer FOKUS Spin-Off
Berlin
1 Jahr 9 Monate
2018-01 - 2019-09

Backend and interface developement

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js ExpressJS Restify ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Backend and interface developer for KATRETTER, a service innovated from the BMBF-backed ENSURE research project, facilitating the rapid coordination of volunteers by rescue departments like the Berlin Fire Department. 
  • Utilizing the KATWARN system's technology, KATRETTER ensures prompt alerting of volunteers, tailored to their skills, for timely interventions in emergencies, such as cardiovascular incidents, bridging the gap before professional aid arrives.

KATWARN KATRETTER
Node.js ExpressJS Restify Kraken Helmet Java nginx MySQL MongoDB TypeScript gRPC etcd MQTT CI/CD Jenkins NodeJS Express NGINX Typescript continuous integration with Jenkins server-side push
Fraunhofer FOKUS - Institute for Open Communication Systems
Berlin
2 Jahre 5 Monate
2015-09 - 2018-01

Developed and managed services

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js Restify Kraken ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Successfully arranged KATWARN's transition from a monolithic structure to a micro-services architecture. 
  • Developed and managed services, pipelines, databases and notification systems. 
  • Launched the second version of KATWARN's administrative and alert management system for national safety agencies, federal sectors and private enterprises.

KATWARN
Node.js Restify Kraken Helmet nginx MySQL MongoDB Angular TypeScript Vue.js Twitter Bootstrap RabbitMQ Redis AMQP gRPC IBM Cloud Go Kafka MQTT etcd CI/CD ExpressJS NodeJS Express NGINX Angular 1.x and 2+ VueJS Typescript React Bootstrap ElectronJS Fontawesome pm2 Websocket socketio ActiveMQ continuous integration with Jenkins server-side push
Fraunhofer FOKUS - Institute for Open Communication Systems
Berlin
3 Jahre 6 Monate
2012-04 - 2015-09

Software development for location-based services

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js C Java ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Research Assistant in software development for location-based services, specializing in backend development and infrastructure management for and the national warning system. Led the design and integration of information models, event notification systems, (micro-)frontends and REST APIs while also mentoring interns. Played a pivotal role in enhancing user application UX/UI, including development, design and A/B testing.
  • On October 30th, 2013, KATWARN was chosen from amongst 1.000 candidates and awarded for "A Place of Excellence in the Land of Ideas" - an initiative aimed at promoting Germany as a location for industry and trade by the federal .

WIND KATWARN
Node.js C Java MySQL PostgresSQL PostGis TDD JUnit JasmineJS Mocha Angular BOOTP MongoDB Basho PEARL debian nginx Adobe Photoshop
Fraunhofer ISST - Institute for Software and Systems Engineering
Berlin

Aus- und Weiterbildung

Aus- und Weiterbildung

1 Jahr 5 Monate
2015-08 - 2016-12

Design - Interface Design

Bachelor (dropout by choice), FH Potsdam
Bachelor (dropout by choice)
FH Potsdam
2 Jahre 10 Monate
2012-09 - 2015-06

Applied computer science

Bachelor (dropout by choice), Bachelor, HTW Berlin
Bachelor (dropout by choice)
Bachelor, HTW Berlin
2 Jahre 8 Monate
2009-09 - 2012-04

Dual education

IT specialist for application development, Fraunhofer ISST - Institute for Software and Systems Engineering | Location-based Services
IT specialist for application development
Fraunhofer ISST - Institute for Software and Systems Engineering | Location-based Services

Kompetenzen

Kompetenzen

Top-Skills

Node.js Go User Interface Design Javascript Linux NoSQL Apache Cassandra Redis Microservices NGINX ELK Stack SQL ElectronJS TypeScript C API Design Docker Java AWS GraphQL Rust Kubernetes Terraform

Produkte / Standards / Erfahrungen / Methoden

Expertise

Development

  • A major aspect of my enthusiasm is in the development of diverse software. 
  • Daily, I am committed to engineering modular and clean code that undergoes stringent testing for clarity and robustness. 
  • Attention to reliability, safety and performance.


Interface Design

  • I combine aesthetic finesse with technical expertise. 
  • With 20 years of experience, I have a strong foundation in web and user application design.


Design-Thinking & UX

  • By using agile approaches such as Design-Thinking, we can collaborate effectively with stakeholders to determine requirements, resolve any uncertainties and misconceptions.


Architecture

  • A robust architecture is foundational to what I term "technological success.
  • Drawing from past experiences, contemporary best practices, and the project's objectives, I advise tech guidelines that ensure scalability, simplicity, and enduring performance.


Infrastructure

  • Within today's tech landscape, I strongly embrace the DevOps philosophy. 
  • Developers should be intimate with the infrastructure of their applications and maintain a tight collaboration with field specialists, such as those in security, database and message brokers, to ensure top-tier service delivery.


Monitoring

  • With a background in design, notably UI/UX, I care for constant improvement and usability. 
  • I believe that each developer should closely monitor their services. 


Technology

Consistently, I immerse myself in new tech, but also appreciate time-tested solutions. My chosen stack emphasizes widely-adopted, reliable tools. A brief list is provided below.

  • AWS 
  • C 
  • Go 
  • Node 
  • Kafka Kubernetes 
  • Terraform 
  • JS/TS 
  • GraphQL 
  • Rust
  • Python 
  • BSD/Linux 
  • CI/CD
  • Wireshark 
  • Burp 
  • gdb 
  • vi
  • Github/Gitlab 
  • Photoshop


Entrepreneurship

  • I initiated the development of a Music Collaboration Service platform, designed to streamline project collaboration, discovery, and management among music professionals, labels, brands and agencies. 
  • This project has attracted interest from several companies in Berlin, showcasing its potential to markedly enhance operational efficiency within the music industry. 
  • With the support of the Media Innovation Center Babelsberg (MIZ) and University of Potsdam,´the project received a significant boost. 
  • Currently, the development is on hold by my discretion as I explore future plans.

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland
möglich

Projekte

Projekte

2 Jahre 11 Monate
2021-11 - heute

Responsible for the integration of a headless CMS

Project Lead and Full Stack Developer, TUI Group Tech Forum Member AWS Cloud (wide range of services) CI/CD Eleventy ...
Project Lead and Full Stack Developer, TUI Group Tech Forum Member

  • Responsible for the integration of a headless CMS, optimizing services and (micro-)frontends utilizing AWS. 
  • Holding a key role in TUI's Web Architecture Forum, setting technical standards and benchmarks. 
  • Maintain strong relationships with key stakeholders to ensure alignment and smooth progression of project objectives. 
  • Mentor of interns and students, providing guidance and support on their professional development journeys.

TUI.com
AWS Cloud (wide range of services) CI/CD Eleventy Gatsby NodeJS Express Helmet GraphQL Go Mux Gin Jasmine TDD React Preact Datadog Contentful Vanilla JS TypeScript MFEs Static Site Generation Varnish Docker Kubernetes NGINX Apache http Web Components Core Web Vitals SEO Tracking Adobe Photoshop Adobe XD
TUI Group / TUI.com
Berlin
1 Jahr 9 Monate
2019-12 - 2021-08

Risk Management Consultancy

Lead Software Developer AWS Node.js ExpressJS ...
Lead Software Developer

  • Developed in partnership with industry specialists and analysts, a risk management platform for both private and government sectors. 
  • This platform adeptly identifies risks across corporate, project, IT, and security sectors. 
  • It incorporates industry-proven risk analysis capabilities, ensuring comprehensive threat assessment, effective mitigation planning, risk monitoring and reporting.

AWS Node.js ExpressJS Kraken Helmet nginx MongoDB Vuejs Neo4j Bootstrap pm2 Redis Apache Kafka Go server-side push PGP CI/CD WS NodeJS Express NGINX VueJS socketio gRPC continuous integration with Jenkins Docker ElectronJS
Berlin
3 Monate
2021-03 - 2021-05

Consolidated data via API aggregation

Systems Engineer C Lua TCP/IP ...
Systems Engineer

  • Consolidated data via API aggregation, managed gateway operations, enhanced security with TLS bootstrapping and utilized LTE technology (details under NDA)

C Lua TCP/IP TLS/SSL OpenResty Ret Hat LTE-Advanced
1 Jahr 4 Monate
2020-01 - 2021-04

Engaged in a collaborative project

IT Consultant, Software Developer, System Tester LTE-Advanced Radio Technologies VIAVI Tracer ...
IT Consultant, Software Developer, System Tester

  • Engaged in a collaborative project with the German Agency for Digital Radio of Security Authorities and Organizations (BDBOS), Vodafone, Nokia, Ericsson, German law enforcement and security agencies to perform comprehensive LTE-Advanced testing using Nokia and Ericsson hardware. 
  • This initiative was crucial for the development of a dedicated LTE-Advanced infrastructure for security agencies, aimed at ensuring network robustness, reliability, and security. Actively performed various testing procedures, analyzing network performance and security protocols. 
  • In partnership with the IABG, a reputable German analysis and test engineering company, co-authored an insightful report for the BDBOS, encapsulating key findings, recommendations, and methodologies employed during the testing phase.

LTE-Advanced Radio Technologies VIAVI Tracer Nokia Hardware and Software Solutions CISCO Wireshark Go NGINX NodeJS C TCP/IP Red Hat Solaris Nokia and E/// Core
Berlin
1 Jahr 2 Monate
2019-11 - 2020-12

Developed backend and user application

Lead Software Developer AWS Kafka Apache Cassandra ...
Lead Software Developer

  • Developed backend and user application for a music collaboration platform, catering to professionals, labels, brands and events. 
  • Builds on work from the 'Entrepreneurship' section.

Music Label SaaS Solution
AWS Kafka Apache Cassandra Go Node.js MongoDB Redis Kubernetes Kraken C WebAssembly Rust AWS Cloud (wide range of services) Apache Kafka VueJS Web Components NodeJS Docker gRPC Boostrap Helmet ElectronJS
9 Monate
2019-10 - 2020-06

Responsible for further development and the cross-border infrastructure

Lead Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js Expression Blend Restify ...
Lead Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Responsible for further development and the cross-border infrastructure of KATWARN, hessenWARN and EUWARN warning systems used by the European Commission, ensuring Commission's internal and cross-border security. 
  • Collaboration with the EU Commission's Join Research Centre Ispra on aTsunami alerting prototype, with dedicated focus on  hardware-to-user notification process.

KATWARN hessenWARN EUWARN
Node.js Expression Blend Restify Kraken Helmet nginx MySQL MongoDB Angular Vue.js Twitter Bootstrap RabbitMQ AMQP Redis Kafka Go IBM Cloud gRPC MQTT ActiveMQ etcd CI/CD Git Jenkins Debian Ubuntu NodeJS Express NGINX Angular 1.x and 2+ VueJs Bootstrap ElectronJS Fontawesome pm2 Websocket socketio continuous integration with Jenkins server-side push
KATWARN international - Fraunhofer FOKUS Spin-Off
Berlin
1 Jahr 9 Monate
2018-01 - 2019-09

Backend and interface developement

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js ExpressJS Restify ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Backend and interface developer for KATRETTER, a service innovated from the BMBF-backed ENSURE research project, facilitating the rapid coordination of volunteers by rescue departments like the Berlin Fire Department. 
  • Utilizing the KATWARN system's technology, KATRETTER ensures prompt alerting of volunteers, tailored to their skills, for timely interventions in emergencies, such as cardiovascular incidents, bridging the gap before professional aid arrives.

KATWARN KATRETTER
Node.js ExpressJS Restify Kraken Helmet Java nginx MySQL MongoDB TypeScript gRPC etcd MQTT CI/CD Jenkins NodeJS Express NGINX Typescript continuous integration with Jenkins server-side push
Fraunhofer FOKUS - Institute for Open Communication Systems
Berlin
2 Jahre 5 Monate
2015-09 - 2018-01

Developed and managed services

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js Restify Kraken ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Successfully arranged KATWARN's transition from a monolithic structure to a micro-services architecture. 
  • Developed and managed services, pipelines, databases and notification systems. 
  • Launched the second version of KATWARN's administrative and alert management system for national safety agencies, federal sectors and private enterprises.

KATWARN
Node.js Restify Kraken Helmet nginx MySQL MongoDB Angular TypeScript Vue.js Twitter Bootstrap RabbitMQ Redis AMQP gRPC IBM Cloud Go Kafka MQTT etcd CI/CD ExpressJS NodeJS Express NGINX Angular 1.x and 2+ VueJS Typescript React Bootstrap ElectronJS Fontawesome pm2 Websocket socketio ActiveMQ continuous integration with Jenkins server-side push
Fraunhofer FOKUS - Institute for Open Communication Systems
Berlin
3 Jahre 6 Monate
2012-04 - 2015-09

Software development for location-based services

Software Developer, Infrastructure Operator | Location-based Services for Public Safety Node.js C Java ...
Software Developer, Infrastructure Operator | Location-based Services for Public Safety

  • Research Assistant in software development for location-based services, specializing in backend development and infrastructure management for and the national warning system. Led the design and integration of information models, event notification systems, (micro-)frontends and REST APIs while also mentoring interns. Played a pivotal role in enhancing user application UX/UI, including development, design and A/B testing.
  • On October 30th, 2013, KATWARN was chosen from amongst 1.000 candidates and awarded for "A Place of Excellence in the Land of Ideas" - an initiative aimed at promoting Germany as a location for industry and trade by the federal .

WIND KATWARN
Node.js C Java MySQL PostgresSQL PostGis TDD JUnit JasmineJS Mocha Angular BOOTP MongoDB Basho PEARL debian nginx Adobe Photoshop
Fraunhofer ISST - Institute for Software and Systems Engineering
Berlin

Aus- und Weiterbildung

Aus- und Weiterbildung

1 Jahr 5 Monate
2015-08 - 2016-12

Design - Interface Design

Bachelor (dropout by choice), FH Potsdam
Bachelor (dropout by choice)
FH Potsdam
2 Jahre 10 Monate
2012-09 - 2015-06

Applied computer science

Bachelor (dropout by choice), Bachelor, HTW Berlin
Bachelor (dropout by choice)
Bachelor, HTW Berlin
2 Jahre 8 Monate
2009-09 - 2012-04

Dual education

IT specialist for application development, Fraunhofer ISST - Institute for Software and Systems Engineering | Location-based Services
IT specialist for application development
Fraunhofer ISST - Institute for Software and Systems Engineering | Location-based Services

Kompetenzen

Kompetenzen

Top-Skills

Node.js Go User Interface Design Javascript Linux NoSQL Apache Cassandra Redis Microservices NGINX ELK Stack SQL ElectronJS TypeScript C API Design Docker Java AWS GraphQL Rust Kubernetes Terraform

Produkte / Standards / Erfahrungen / Methoden

Expertise

Development

  • A major aspect of my enthusiasm is in the development of diverse software. 
  • Daily, I am committed to engineering modular and clean code that undergoes stringent testing for clarity and robustness. 
  • Attention to reliability, safety and performance.


Interface Design

  • I combine aesthetic finesse with technical expertise. 
  • With 20 years of experience, I have a strong foundation in web and user application design.


Design-Thinking & UX

  • By using agile approaches such as Design-Thinking, we can collaborate effectively with stakeholders to determine requirements, resolve any uncertainties and misconceptions.


Architecture

  • A robust architecture is foundational to what I term "technological success.
  • Drawing from past experiences, contemporary best practices, and the project's objectives, I advise tech guidelines that ensure scalability, simplicity, and enduring performance.


Infrastructure

  • Within today's tech landscape, I strongly embrace the DevOps philosophy. 
  • Developers should be intimate with the infrastructure of their applications and maintain a tight collaboration with field specialists, such as those in security, database and message brokers, to ensure top-tier service delivery.


Monitoring

  • With a background in design, notably UI/UX, I care for constant improvement and usability. 
  • I believe that each developer should closely monitor their services. 


Technology

Consistently, I immerse myself in new tech, but also appreciate time-tested solutions. My chosen stack emphasizes widely-adopted, reliable tools. A brief list is provided below.

  • AWS 
  • C 
  • Go 
  • Node 
  • Kafka Kubernetes 
  • Terraform 
  • JS/TS 
  • GraphQL 
  • Rust
  • Python 
  • BSD/Linux 
  • CI/CD
  • Wireshark 
  • Burp 
  • gdb 
  • vi
  • Github/Gitlab 
  • Photoshop


Entrepreneurship

  • I initiated the development of a Music Collaboration Service platform, designed to streamline project collaboration, discovery, and management among music professionals, labels, brands and agencies. 
  • This project has attracted interest from several companies in Berlin, showcasing its potential to markedly enhance operational efficiency within the music industry. 
  • With the support of the Media Innovation Center Babelsberg (MIZ) and University of Potsdam,´the project received a significant boost. 
  • Currently, the development is on hold by my discretion as I explore future plans.

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