Softwareentwickler (Java; Kotlin, Spring; Golang; AWS)
Aktualisiert am 30.10.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2025
Verfügbar zu: 100%
davon vor Ort: 100%
Java
Golang
AWS
Kotlin
Go
ReactJS
Docker
Terraform
Kubernetes
Spring
Englisch
Very good
Deutsch
Native language

Einsatzorte

Einsatzorte

Hamburg (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 Jahre 3 Monate
2023-09 - 2025-11

Development Frontend & Backend - Lobaro IoT Platform

Software-Entwickler Golang JavaScript GraphQL ...
Software-Entwickler

Golang JavaScript GraphQL Docker Podman Postgres React.js Gorm Ansible Vault Nats
Lobaro GmbH
Hamburg
6 Monate
2023-10 - 2024-03

Development Frontend & Backend

Software-Entwickler Golang JavaScript Postgres ...
Software-Entwickler
Development Frontend & Backend - MoveCom Conferencing Tool with on-the-fly translation and speech synthesis,




Golang JavaScript Postgres React.js Amazon Chime Terraform.
fine Expression
Darmstadt
1 Jahr
2022-08 - 2023-07

Development Backend - Traigo - Rework Tank Wagon Scheduling Tool

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler

Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Lambda Datadog High Availability CI/CD
VTG GmbH
1 Jahr
2022-08 - 2023-07

Development Backend

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler
Development Backend - Traigo - Geofence Service - Wagon position tracking notifications


Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Lambda Datadog High Availability CI/CD DevOps
VTG GmbH
1 Jahr
2022-08 - 2023-07

Development Backend

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler
Development Backend - Traigo - Rework Contract Datamodel for optimized Access in NoSQL context


Kotlin Springboot Serverless Terraform AWS DynamoDB Lambda Datadog High Availability CI/CD DevOps
VTG GmbH
10 Monate
2022-08 - 2023-05

Development Backend - Traigo - Pathfinder Service

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler

Development Backend - Traigo - Pathfinder Service - Map Wagon GPS Position Data to existing Tracks


Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Datadog High Availability CI/CD DevOps
VTG GmbH
1 Jahr 6 Monate
2021-12 - 2023-05

Development Frontend & Backend - E-Commerce User Data Wallet

Gründer & Softwareemtwickler Golang AWS NoSQL ...
Gründer & Softwareemtwickler
Golang AWS NoSQL Testdriven Development Microservices Server- less High Availability CI/CD GraphQL REST JavaScript React.js Next.js.
[Firma auf Anfrage]
2 Jahre 2 Monate
2021-04 - 2023-05

Development & Operation Frontend & Backend - E-Mail Pri- vacy Service,

Gründer & Softwareentwickler Golang AWS NoSQL ...
Gründer & Softwareentwickler
Golang AWS NoSQL Testdriven Development Microservices Server- less High Availability CI/CD Kibana GraphQL REST JavaScript React.js Next.js.
[Firma auf Anfrage]
2 Jahre 2 Monate
2021-04 - 2023-05

Sales & Marketing - E-Mail Privacy Service

Gründer
Gründer
[Firma auf Anfrage]
7 Monate
2020-10 - 2021-04

Development - Onboarding-Software

Softwareentwickler Groovy Springboot Javascript ...
Softwareentwickler
Groovy Springboot Javascript Docker MySQL
d.vinci Recruitinglösungen
1 Jahr 4 Monate
2020-01 - 2021-04

Initial Development - MAVE (Verwaltung)

Softwareentwickler React.js Next.js Javascript ...
Softwareentwickler
React.js Next.js Javascript Groovy Springboot Docker MySQL.
d.vinci Recruitinglösungen
8 Monate
2020-05 - 2020-12

Development & Operation Backend - Restaurant User Check- In Service

Gründer & Softwareentwickler Golang AWS Docker ...
Gründer & Softwareentwickler
Golang AWS Docker NoSQL Testdriven Development Microservices Serverless High Availability CI/CD GraphQL REST JavaScript Re- act.js Next.js
Guestcheck.io
8 Monate
2020-05 - 2020-12

Sales & Marketing - Restaurant User Check-In Service

Gründer
Gründer
2 Jahre
2019-01 - 2020-12

Development & Operation Frontend - Document Digitalization Service

Gründer & Softwareentwickler JavaScript React.js GraphQL ...
Gründer & Softwareentwickler
JavaScript React.js GraphQL AWS. Golang AWS Docker NoSQL Testdriven Development Microservices Serverless High Availability CI/CD ElasticSearch Kibana REST
Papervoid.io
5 Jahre 5 Monate
2013-08 - 2018-12

Development, testing and operation of the Shared Cloud

Softwareentwickler Java Maven JUnit ...
Softwareentwickler
Java Maven JUnit Springboot AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Architectual planing, development and monitoring of components for asynchronous processing

Softwareentwickler Java Maven JUnit ...
Softwareentwickler
Java Maven JUnit Springboot AWS Testdriven Development Mi- croservices High Availability CI/CD NoSQL.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Live migration of critical cache data into new infrastructures

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL MongoDB Redis.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Dockerisation of web-services

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Development and operation of components to analyze and pre- serve data that is in possible violation of laws

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL Splunk Grafana Datadog.
Adobe Systems GmbH
5 Jahre 1 Monat
2013-08 - 2018-08

Performance- and load-testing of high availability server com- ponents

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL
Adobe Systems GmbH
1 Jahr 7 Monate
2011-11 - 2013-05

Development of the graphical analysis programm JEGraph

Software Entwickler Java Maven JUnit
Software Entwickler
Java Maven JUnit
Envidatec GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 7 Monate
2013-10 - 2017-04

Masterstudium Informatik

Master of Science Informatik, Universität Hamburg
Master of Science Informatik
Universität Hamburg
Master?s Thesis on request
4 Jahre 4 Monate
2009-10 - 2014-01

Bachelorstudium Mensch-Computer-Interaktion

Bsc. Mensch-Computer-Interaktion, Universität Hamburg
Bsc. Mensch-Computer-Interaktion
Universität Hamburg
Bachelor?s Thesis on request
11 Monate
2008-10 - 2009-08

Bachelorstudium Maschinenbau

ohne, TU Hamburg
ohne
TU Hamburg

Position

Position

Softwareentwickler - Experte für Verteilte und Cloud System - Architektur und Entwicklung

Kompetenzen

Kompetenzen

Top-Skills

Java Golang AWS Kotlin Go ReactJS Docker Terraform Kubernetes Spring

Produkte / Standards / Erfahrungen / Methoden

Java
Kotlin
Go
AWS
Kubernetes
Terraform
Docker
React.js
JavaScript
Python
NoSQL
Agile Softwareentwicklung / Methoden
Experience - Professional Activity
Agile Processes
  • Scrum
  • Kanban
  • Lean Development


Frameworks & Libraries

  • Apollo GraphQL
  • Gorm
  • GraphQL, REST
  • Maven & Gradle
  • React.js
  • Serverless Framework
  • Spring & Springboot


Cloud & DevOps

  • Amazon Web Services (AWS) - SQS, SNS, S3, DynamoDB, Amazon Chime, Cognito, Lambda, EC2, ECS, CloudFront, CloudFormation, Textract, ELB, KMS
  • Ansible
  • Docker, Podman
  • Kubernetes
  • Terraform
  • Vault


Monitoring & Analytics

  • Datadog
  • Grafana
  • Splunk
  • VictoriaLogs


Concepts

  • DevOps
  • NoSQL
  • Testdriven Development
  • Load Testing
  • Microservices
  • Serverless
  • High Availability
  • CI/CD
  • Scrum
  • Kanban


Work Experience

09/2023 - today

Role: Senior Software Developer Fullstack (Freelancer)

Customer: Lobaro GmbH, Hamburg


10/2023 - 03/2024

Role: Senior Software Developer Fullstack (Freelancer)

Customer: fine Expression, Darmstadt


08/2022 - 05/2023

Role: Senior Software Developer Backend (Freelancer)

Customer: VTG GmbH, Hamburg


04/2021 - 05/2023

Role: Founder & Software Developer

Customer: on request, Hamburg


10/2020 - 04/2021

Role: Software Developer

Customer: d.vinci Recruitinglösungen, Hamburg


05/2020 - 12/2020

Role: Founder & Software Developer

Customer: on request, Hamburg


01/2019 - 12/2020

Role: Founder & Software Developer

Customer: on request, Hamburg


08/2014 - 12/2018

Role: Software Developer

Customer: Adobe Systems, Hamburg


08/2013 - 07/2014

Role: Working Student

Customer: Adobe Systems, Hamburg


11/2011 - 05/2013

Role: Java Software Developer

Customer: Envidatec, Hamburg

Programmiersprachen

Go / Golang
Java
JavaScript & TypeScript
Kotlin
Distributed Systems
C#
Prolog
MySQL


Datenbanken

ElasticSearch
Kibana
MongoDB
Nats
Jetstream
Postgres
Redis

Einsatzorte

Einsatzorte

Hamburg (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 Jahre 3 Monate
2023-09 - 2025-11

Development Frontend & Backend - Lobaro IoT Platform

Software-Entwickler Golang JavaScript GraphQL ...
Software-Entwickler

Golang JavaScript GraphQL Docker Podman Postgres React.js Gorm Ansible Vault Nats
Lobaro GmbH
Hamburg
6 Monate
2023-10 - 2024-03

Development Frontend & Backend

Software-Entwickler Golang JavaScript Postgres ...
Software-Entwickler
Development Frontend & Backend - MoveCom Conferencing Tool with on-the-fly translation and speech synthesis,




Golang JavaScript Postgres React.js Amazon Chime Terraform.
fine Expression
Darmstadt
1 Jahr
2022-08 - 2023-07

Development Backend - Traigo - Rework Tank Wagon Scheduling Tool

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler

Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Lambda Datadog High Availability CI/CD
VTG GmbH
1 Jahr
2022-08 - 2023-07

Development Backend

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler
Development Backend - Traigo - Geofence Service - Wagon position tracking notifications


Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Lambda Datadog High Availability CI/CD DevOps
VTG GmbH
1 Jahr
2022-08 - 2023-07

Development Backend

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler
Development Backend - Traigo - Rework Contract Datamodel for optimized Access in NoSQL context


Kotlin Springboot Serverless Terraform AWS DynamoDB Lambda Datadog High Availability CI/CD DevOps
VTG GmbH
10 Monate
2022-08 - 2023-05

Development Backend - Traigo - Pathfinder Service

Softwareentwickler Kotlin Springboot Serverless ...
Softwareentwickler

Development Backend - Traigo - Pathfinder Service - Map Wagon GPS Position Data to existing Tracks


Kotlin Springboot Serverless Terraform Kubernetes AWS PostgreSQL Datadog High Availability CI/CD DevOps
VTG GmbH
1 Jahr 6 Monate
2021-12 - 2023-05

Development Frontend & Backend - E-Commerce User Data Wallet

Gründer & Softwareemtwickler Golang AWS NoSQL ...
Gründer & Softwareemtwickler
Golang AWS NoSQL Testdriven Development Microservices Server- less High Availability CI/CD GraphQL REST JavaScript React.js Next.js.
[Firma auf Anfrage]
2 Jahre 2 Monate
2021-04 - 2023-05

Development & Operation Frontend & Backend - E-Mail Pri- vacy Service,

Gründer & Softwareentwickler Golang AWS NoSQL ...
Gründer & Softwareentwickler
Golang AWS NoSQL Testdriven Development Microservices Server- less High Availability CI/CD Kibana GraphQL REST JavaScript React.js Next.js.
[Firma auf Anfrage]
2 Jahre 2 Monate
2021-04 - 2023-05

Sales & Marketing - E-Mail Privacy Service

Gründer
Gründer
[Firma auf Anfrage]
7 Monate
2020-10 - 2021-04

Development - Onboarding-Software

Softwareentwickler Groovy Springboot Javascript ...
Softwareentwickler
Groovy Springboot Javascript Docker MySQL
d.vinci Recruitinglösungen
1 Jahr 4 Monate
2020-01 - 2021-04

Initial Development - MAVE (Verwaltung)

Softwareentwickler React.js Next.js Javascript ...
Softwareentwickler
React.js Next.js Javascript Groovy Springboot Docker MySQL.
d.vinci Recruitinglösungen
8 Monate
2020-05 - 2020-12

Development & Operation Backend - Restaurant User Check- In Service

Gründer & Softwareentwickler Golang AWS Docker ...
Gründer & Softwareentwickler
Golang AWS Docker NoSQL Testdriven Development Microservices Serverless High Availability CI/CD GraphQL REST JavaScript Re- act.js Next.js
Guestcheck.io
8 Monate
2020-05 - 2020-12

Sales & Marketing - Restaurant User Check-In Service

Gründer
Gründer
2 Jahre
2019-01 - 2020-12

Development & Operation Frontend - Document Digitalization Service

Gründer & Softwareentwickler JavaScript React.js GraphQL ...
Gründer & Softwareentwickler
JavaScript React.js GraphQL AWS. Golang AWS Docker NoSQL Testdriven Development Microservices Serverless High Availability CI/CD ElasticSearch Kibana REST
Papervoid.io
5 Jahre 5 Monate
2013-08 - 2018-12

Development, testing and operation of the Shared Cloud

Softwareentwickler Java Maven JUnit ...
Softwareentwickler
Java Maven JUnit Springboot AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Architectual planing, development and monitoring of components for asynchronous processing

Softwareentwickler Java Maven JUnit ...
Softwareentwickler
Java Maven JUnit Springboot AWS Testdriven Development Mi- croservices High Availability CI/CD NoSQL.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Live migration of critical cache data into new infrastructures

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL MongoDB Redis.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Dockerisation of web-services

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL.
Adobe Systems GmbH
5 Jahre 5 Monate
2013-08 - 2018-12

Development and operation of components to analyze and pre- serve data that is in possible violation of laws

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL Splunk Grafana Datadog.
Adobe Systems GmbH
5 Jahre 1 Monat
2013-08 - 2018-08

Performance- and load-testing of high availability server com- ponents

Softwareentwickler Java Maven Docker ...
Softwareentwickler
Java Maven Docker AWS Testdriven Development Load Testing Microservices High Availability CI/CD NoSQL
Adobe Systems GmbH
1 Jahr 7 Monate
2011-11 - 2013-05

Development of the graphical analysis programm JEGraph

Software Entwickler Java Maven JUnit
Software Entwickler
Java Maven JUnit
Envidatec GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 7 Monate
2013-10 - 2017-04

Masterstudium Informatik

Master of Science Informatik, Universität Hamburg
Master of Science Informatik
Universität Hamburg
Master?s Thesis on request
4 Jahre 4 Monate
2009-10 - 2014-01

Bachelorstudium Mensch-Computer-Interaktion

Bsc. Mensch-Computer-Interaktion, Universität Hamburg
Bsc. Mensch-Computer-Interaktion
Universität Hamburg
Bachelor?s Thesis on request
11 Monate
2008-10 - 2009-08

Bachelorstudium Maschinenbau

ohne, TU Hamburg
ohne
TU Hamburg

Position

Position

Softwareentwickler - Experte für Verteilte und Cloud System - Architektur und Entwicklung

Kompetenzen

Kompetenzen

Top-Skills

Java Golang AWS Kotlin Go ReactJS Docker Terraform Kubernetes Spring

Produkte / Standards / Erfahrungen / Methoden

Java
Kotlin
Go
AWS
Kubernetes
Terraform
Docker
React.js
JavaScript
Python
NoSQL
Agile Softwareentwicklung / Methoden
Experience - Professional Activity
Agile Processes
  • Scrum
  • Kanban
  • Lean Development


Frameworks & Libraries

  • Apollo GraphQL
  • Gorm
  • GraphQL, REST
  • Maven & Gradle
  • React.js
  • Serverless Framework
  • Spring & Springboot


Cloud & DevOps

  • Amazon Web Services (AWS) - SQS, SNS, S3, DynamoDB, Amazon Chime, Cognito, Lambda, EC2, ECS, CloudFront, CloudFormation, Textract, ELB, KMS
  • Ansible
  • Docker, Podman
  • Kubernetes
  • Terraform
  • Vault


Monitoring & Analytics

  • Datadog
  • Grafana
  • Splunk
  • VictoriaLogs


Concepts

  • DevOps
  • NoSQL
  • Testdriven Development
  • Load Testing
  • Microservices
  • Serverless
  • High Availability
  • CI/CD
  • Scrum
  • Kanban


Work Experience

09/2023 - today

Role: Senior Software Developer Fullstack (Freelancer)

Customer: Lobaro GmbH, Hamburg


10/2023 - 03/2024

Role: Senior Software Developer Fullstack (Freelancer)

Customer: fine Expression, Darmstadt


08/2022 - 05/2023

Role: Senior Software Developer Backend (Freelancer)

Customer: VTG GmbH, Hamburg


04/2021 - 05/2023

Role: Founder & Software Developer

Customer: on request, Hamburg


10/2020 - 04/2021

Role: Software Developer

Customer: d.vinci Recruitinglösungen, Hamburg


05/2020 - 12/2020

Role: Founder & Software Developer

Customer: on request, Hamburg


01/2019 - 12/2020

Role: Founder & Software Developer

Customer: on request, Hamburg


08/2014 - 12/2018

Role: Software Developer

Customer: Adobe Systems, Hamburg


08/2013 - 07/2014

Role: Working Student

Customer: Adobe Systems, Hamburg


11/2011 - 05/2013

Role: Java Software Developer

Customer: Envidatec, Hamburg

Programmiersprachen

Go / Golang
Java
JavaScript & TypeScript
Kotlin
Distributed Systems
C#
Prolog
MySQL


Datenbanken

ElasticSearch
Kibana
MongoDB
Nats
Jetstream
Postgres
Redis

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.