Full Stack Developer (Golang, JavaScript, Node.js, .NET, Python, PHP, Java, C) and DevOps(CI/CD, AWS, Serverless)
Aktualisiert am 04.02.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 04.02.2026
Verfügbar zu: 100%
davon vor Ort: 20%
Analysefähigkeit
Verantwortung
Umsetzung
Golang
RDBMS
.NET Framework
Python
Ubuntu
Docker
AWS
PostgreSQL
MySQL
CI/CD
Git
Geodatenverarbeitung
QEMU
Virtualisierung
Linux Administration
Markdown
VPN
Kubernetes
Shell-Script
RAG
English
Verhandlungssicher
Deutsch
Verhandlungssicher
Russisch
Muttersprache
Spanisch
Grundkenntnisse
Ukrainisch
Muttersprache

Einsatzorte

Einsatzorte

Schweiz, Österreich, Deutschland
möglich

Projekte

Projekte

1 Jahr 11 Monate
2025-02 - 2026-12

Markets Analysis Platform

Senior Software Engineer & Solution Architect Python RAG LLM ...
Senior Software Engineer & Solution Architect
  • Architected scalable data platform using TimescaleDB and hive partitioned continuous aggregation, reducing query latency by 10x for time-series analytics.
  • Built real-time Golang ETL microservices achieving sub-second data ingestion.
  • Deployed secure on-premise AI infrastructure (Ollama, OpenWebUI) on Intel GPU hardware, enabling GDPR-compliant internal LLM operations.
  • Established automated CI/CD pipelines with N8N, OnlyOffice, Gitea, and Docker, streamlining release cycles with semantic versioning.
  • Implemented centralized logging with Grafana/Loki/Promtail, unifying observability across 6+ distributed services.
Grafana PostgreSQL TimescaleDB Datasette Docker Docker swarm Wireguard Gitea CI/CD Ollama OpenWebUI N8N Loki Promtail Synapse Elements
Python RAG LLM GPT Vector Searching Similarity Searching Hive Partitioning Sharding Continuous Data Aggregation ETL Typescript Go Shell-Script Vite Bun Git SSH Tmux
Private
Remote
1 Jahr 11 Monate
2023-03 - 2025-01

Architected enterprise

Senior Data Engineer / Mentor
Senior Data Engineer / Mentor
  • Architected enterprise data pipelines handling 10M+ records, achieving 99.9% data quality scores through automated validation.
  • Optimized ETL/ELT processes, reducing data processing time by 60% for critical business intelligence reports.
  • Achieved infrastructure cost savings by reducing db usages, redis access optimization.
Dyvenia
2 Jahre 4 Monate
2019-07 - 2021-10

Geo-Service Engineering

Senior Data Engineer .NET Framework Python Bourne-again-shell ...
Senior Data Engineer

  • Engineered Golang geospatial search system for 80M+ real addresses, served under 20 ms responses.
  • Optimized complex PostgreSQL/PostGIS queries, resulting in a 10x performance improvement for location-based searches.
  • Migrated legacy .NET Windows services to AWS Serverless (Fargate, Lambda), dramaticaly reducing operational costs.
  • Developed a real-time WebGIS interface using Vue.js, Vuetify and Mapbox GLs

GIS Services Nominatim
.NET Framework Python Bourne-again-shell PostgreSQL Amazon Aurora Golang Cloud Computing JavaScript CI/CD Gilab Git Atlassian JIRA AWS MS SQL Server Spatialite
immowelt GmbH
Nürnberg
4 Jahre 1 Monat
2014-03 - 2018-03

Spatial data science, digitizing and searching solutions development

Senior Software Developer
Senior Software Developer
  • Spatial data science, digitizing and searching solutions development for Deutsche Bahn, energy providers and different city authorities like Eisenbahn Bundesamt.
  • Contributing to OSGeo commuinity projects.
WhereGroup GmbH, Bonn, DE
1 Jahr 4 Monate
2012-07 - 2013-10

Mobile networks testing solutions development

Senior Software Developer Java TCL Bourne-again-shell ...
Senior Software Developer

Mobile networks testing solutions development: large database design and optimization, embedded system API?s. Third-level support.

  • Services engineering with Java, PHP, TCL and scripting with Bash
  • Deployment with Vagrant, Jenkins,
  • Frontend UI/UX design and development
  • Mobile networks testing solutions development
  • Large database design and optimization
  • Embedded system API?s design and development
  • Third-level support
SITE Platform
Java TCL Bourne-again-shell Linux Jenkins
SIGOS, Nürnberg, DE
Nürnberg
5 Jahre 4 Monate
2007-04 - 2012-07

Development of closed-source CMS/CRM, web RIA?s, online-games and web-portals

Senior Software Developer
Senior Software Developer
  • Development of closed-source CMS/CRM, web RIA’s, online-games and web-portals in a small team.
  • Periodically 3D videos production, physics emulation, texturing, lighting, animation, distributed rendering.
GRID.Agentur, Nürnberg, DE
6 Jahre
2001-01 - 2006-12

Web portals and RIA applications development. Database design

Software Developer
Software Developer
D2S/SYSTEMS GmbH, Nürnberg, DE

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 11 Monate
2002-09 - 2006-07

Application development

specialists - application development (IHK), Ludwig-Erhard Berufsschule, Fürth, DE
specialists - application development (IHK)
Ludwig-Erhard Berufsschule, Fürth, DE

Education and practice:

software development, databases, system administration, hardware, electronics and physics basics, project
management.

2 Jahre 1 Monat
2000-09 - 2002-09

EDP training course

EDP specialist, Deutsche Angestellten-Akademie, Nürnberg
EDP specialist
Deutsche Angestellten-Akademie, Nürnberg

EDP training course of Information and communication technologies

Position

Position

Ich bin ein Data-Engineer mit Erfahrung im Geoinformationsbereich und KI.

Kompetenzen

Kompetenzen

Top-Skills

Analysefähigkeit Verantwortung Umsetzung Golang RDBMS .NET Framework Python Ubuntu Docker AWS PostgreSQL MySQL CI/CD Git Geodatenverarbeitung QEMU Virtualisierung Linux Administration Markdown VPN Kubernetes Shell-Script RAG

Produkte / Standards / Erfahrungen / Methoden

Golang
Experte
PHP
Experte
Spatialite
Experte
GIS
Experte
PostGIS
PostgreSQL
AWS
Experte
AWS CLI
Experte
AWS Lambda
Experte
AWS Fargate
Fortgeschritten
AWS ECS
Experte
AWS CloudFront
Experte
AWS RDS
Fortgeschritten
AWS S3
Experte
HTML
Experte
CSS
Fortgeschritten
JavaScript
Experte
NodeJS
Fortgeschritten
Python
Fortgeschritten
.NET Core
Experte
Docker
Experte
Docker Compose
Experte
Linux Administration
Experte
Bash
Experte
TCL/Tk
Experte
OpenAI API
Fortgeschritten
Telegram Bot
Fortgeschritten
Whatsapp Bot
Fortgeschritten
MySQL
Experte
MS SQL
Fortgeschritten
Oracle DB
Fortgeschritten
Gitlab CI
Experte
Github Actions
Fortgeschritten
DNS
Fortgeschritten
SSH
Experte
Git
Experte
Semantic Versioning
Experte
AWS DynamoDB
Fortgeschritten
SQLite
Experte
Full-Text-Search
Experte
Fuzzy-Searching
Experte
Berkley DB
Fortgeschritten
DB2
Basics
ES6
Fortgeschritten
TypeScript
Fortgeschritten
ActionScript3
Experte
MXML
Fortgeschritten
NPM
Fortgeschritten
Rest-API?s
Experte
WebSockets
Fortgeschritten
WebAssembly
Fortgeschritten
React
Fortgeschritten
Angular
Fortgeschritten
Vue
Experte
jQuery
Experte
jQuery-Widgets
Experte
WebGL
Fortgeschritten
VRML
Basics
PlantUML
Fortgeschritten
Markdown
Experte
WikiMedia
Fortgeschritten
C
Fortgeschritten
Unity
Fortgeschritten
Regular Expressions
Fortgeschritten
DevOps
Fortgeschritten
Geospatial
Experte
FFMpeg
Experte
HandBrake
Fortgeschritten
Terraform
Fortgeschritten
CloudFormation
Fortgeschritten
AWS CDK
Fortgeschritten
Three-Tier Architecture
Fortgeschritten
Gitlab
Experte
Github
Experte
TTD
Experte

PROFESS IONAL SUMMARY

Senior Software Engineer & Solution Architect with 10+ years in the internet technology field, combining software expertise with mastery of the infrastructure of reliable, scalable, and high-performance systems in clouds(AWS/Azure/Self-Hosted), like API Services, AI Workflow Automation, Virtualization, Legacy Modernization usually Data Engineering.


TECHN ICAL SK ILLS

  • Languages: Go, Python, TypeScript/JavaScript, C#/.NET, PHP, Java, Bash, SQL, Tcl/Tk
  • Cloud & DevOps: AWS (Lambda, ECS, Fargate, S3), Azure, GCP, Kubernetes, Docker, Terraform, CI/CD (GitHub Actions), Linux Administration
  • Data & Storage: PostgreSQL/PostGIS, TimescaleDB, Redis, Elasticsearch, Kafka, DuckDB, SQLite, MinIO, Data Migration
  • Architecture & Design: Microservices, Event-Driven, Serverless, Domain-Driven Design (DDD), Clean Architecture, Legacy Modernization
  • AI & Automation: LLM Hosting/Integration, MCP, NLP, OCR, RAG, N8N, Data Depersonalization, GDPRcompliant Strategies
  • Web & Tools: React, Vue.js, Node.js, Bun, Deno, Vite, Git, Cargo, Networking (TCP/IP, SSH, VPN/WireGuard), Nginx(SSL, rev./direct proxy)

Datenbanken

Blockchain BDB/LevelDB and cryptography approaches
Fortgeschritten
DB2
Basics
Fulltext and fuzzy searching
Experte
MySQL
Experte
Oracle
Fortgeschritten
PostgreSQL
Experte
Solr
Fortgeschritten
SQLite
Experte
Spatialite
Experte
PostGIS
Experte

Einsatzorte

Einsatzorte

Schweiz, Österreich, Deutschland
möglich

Projekte

Projekte

1 Jahr 11 Monate
2025-02 - 2026-12

Markets Analysis Platform

Senior Software Engineer & Solution Architect Python RAG LLM ...
Senior Software Engineer & Solution Architect
  • Architected scalable data platform using TimescaleDB and hive partitioned continuous aggregation, reducing query latency by 10x for time-series analytics.
  • Built real-time Golang ETL microservices achieving sub-second data ingestion.
  • Deployed secure on-premise AI infrastructure (Ollama, OpenWebUI) on Intel GPU hardware, enabling GDPR-compliant internal LLM operations.
  • Established automated CI/CD pipelines with N8N, OnlyOffice, Gitea, and Docker, streamlining release cycles with semantic versioning.
  • Implemented centralized logging with Grafana/Loki/Promtail, unifying observability across 6+ distributed services.
Grafana PostgreSQL TimescaleDB Datasette Docker Docker swarm Wireguard Gitea CI/CD Ollama OpenWebUI N8N Loki Promtail Synapse Elements
Python RAG LLM GPT Vector Searching Similarity Searching Hive Partitioning Sharding Continuous Data Aggregation ETL Typescript Go Shell-Script Vite Bun Git SSH Tmux
Private
Remote
1 Jahr 11 Monate
2023-03 - 2025-01

Architected enterprise

Senior Data Engineer / Mentor
Senior Data Engineer / Mentor
  • Architected enterprise data pipelines handling 10M+ records, achieving 99.9% data quality scores through automated validation.
  • Optimized ETL/ELT processes, reducing data processing time by 60% for critical business intelligence reports.
  • Achieved infrastructure cost savings by reducing db usages, redis access optimization.
Dyvenia
2 Jahre 4 Monate
2019-07 - 2021-10

Geo-Service Engineering

Senior Data Engineer .NET Framework Python Bourne-again-shell ...
Senior Data Engineer

  • Engineered Golang geospatial search system for 80M+ real addresses, served under 20 ms responses.
  • Optimized complex PostgreSQL/PostGIS queries, resulting in a 10x performance improvement for location-based searches.
  • Migrated legacy .NET Windows services to AWS Serverless (Fargate, Lambda), dramaticaly reducing operational costs.
  • Developed a real-time WebGIS interface using Vue.js, Vuetify and Mapbox GLs

GIS Services Nominatim
.NET Framework Python Bourne-again-shell PostgreSQL Amazon Aurora Golang Cloud Computing JavaScript CI/CD Gilab Git Atlassian JIRA AWS MS SQL Server Spatialite
immowelt GmbH
Nürnberg
4 Jahre 1 Monat
2014-03 - 2018-03

Spatial data science, digitizing and searching solutions development

Senior Software Developer
Senior Software Developer
  • Spatial data science, digitizing and searching solutions development for Deutsche Bahn, energy providers and different city authorities like Eisenbahn Bundesamt.
  • Contributing to OSGeo commuinity projects.
WhereGroup GmbH, Bonn, DE
1 Jahr 4 Monate
2012-07 - 2013-10

Mobile networks testing solutions development

Senior Software Developer Java TCL Bourne-again-shell ...
Senior Software Developer

Mobile networks testing solutions development: large database design and optimization, embedded system API?s. Third-level support.

  • Services engineering with Java, PHP, TCL and scripting with Bash
  • Deployment with Vagrant, Jenkins,
  • Frontend UI/UX design and development
  • Mobile networks testing solutions development
  • Large database design and optimization
  • Embedded system API?s design and development
  • Third-level support
SITE Platform
Java TCL Bourne-again-shell Linux Jenkins
SIGOS, Nürnberg, DE
Nürnberg
5 Jahre 4 Monate
2007-04 - 2012-07

Development of closed-source CMS/CRM, web RIA?s, online-games and web-portals

Senior Software Developer
Senior Software Developer
  • Development of closed-source CMS/CRM, web RIA’s, online-games and web-portals in a small team.
  • Periodically 3D videos production, physics emulation, texturing, lighting, animation, distributed rendering.
GRID.Agentur, Nürnberg, DE
6 Jahre
2001-01 - 2006-12

Web portals and RIA applications development. Database design

Software Developer
Software Developer
D2S/SYSTEMS GmbH, Nürnberg, DE

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 11 Monate
2002-09 - 2006-07

Application development

specialists - application development (IHK), Ludwig-Erhard Berufsschule, Fürth, DE
specialists - application development (IHK)
Ludwig-Erhard Berufsschule, Fürth, DE

Education and practice:

software development, databases, system administration, hardware, electronics and physics basics, project
management.

2 Jahre 1 Monat
2000-09 - 2002-09

EDP training course

EDP specialist, Deutsche Angestellten-Akademie, Nürnberg
EDP specialist
Deutsche Angestellten-Akademie, Nürnberg

EDP training course of Information and communication technologies

Position

Position

Ich bin ein Data-Engineer mit Erfahrung im Geoinformationsbereich und KI.

Kompetenzen

Kompetenzen

Top-Skills

Analysefähigkeit Verantwortung Umsetzung Golang RDBMS .NET Framework Python Ubuntu Docker AWS PostgreSQL MySQL CI/CD Git Geodatenverarbeitung QEMU Virtualisierung Linux Administration Markdown VPN Kubernetes Shell-Script RAG

Produkte / Standards / Erfahrungen / Methoden

Golang
Experte
PHP
Experte
Spatialite
Experte
GIS
Experte
PostGIS
PostgreSQL
AWS
Experte
AWS CLI
Experte
AWS Lambda
Experte
AWS Fargate
Fortgeschritten
AWS ECS
Experte
AWS CloudFront
Experte
AWS RDS
Fortgeschritten
AWS S3
Experte
HTML
Experte
CSS
Fortgeschritten
JavaScript
Experte
NodeJS
Fortgeschritten
Python
Fortgeschritten
.NET Core
Experte
Docker
Experte
Docker Compose
Experte
Linux Administration
Experte
Bash
Experte
TCL/Tk
Experte
OpenAI API
Fortgeschritten
Telegram Bot
Fortgeschritten
Whatsapp Bot
Fortgeschritten
MySQL
Experte
MS SQL
Fortgeschritten
Oracle DB
Fortgeschritten
Gitlab CI
Experte
Github Actions
Fortgeschritten
DNS
Fortgeschritten
SSH
Experte
Git
Experte
Semantic Versioning
Experte
AWS DynamoDB
Fortgeschritten
SQLite
Experte
Full-Text-Search
Experte
Fuzzy-Searching
Experte
Berkley DB
Fortgeschritten
DB2
Basics
ES6
Fortgeschritten
TypeScript
Fortgeschritten
ActionScript3
Experte
MXML
Fortgeschritten
NPM
Fortgeschritten
Rest-API?s
Experte
WebSockets
Fortgeschritten
WebAssembly
Fortgeschritten
React
Fortgeschritten
Angular
Fortgeschritten
Vue
Experte
jQuery
Experte
jQuery-Widgets
Experte
WebGL
Fortgeschritten
VRML
Basics
PlantUML
Fortgeschritten
Markdown
Experte
WikiMedia
Fortgeschritten
C
Fortgeschritten
Unity
Fortgeschritten
Regular Expressions
Fortgeschritten
DevOps
Fortgeschritten
Geospatial
Experte
FFMpeg
Experte
HandBrake
Fortgeschritten
Terraform
Fortgeschritten
CloudFormation
Fortgeschritten
AWS CDK
Fortgeschritten
Three-Tier Architecture
Fortgeschritten
Gitlab
Experte
Github
Experte
TTD
Experte

PROFESS IONAL SUMMARY

Senior Software Engineer & Solution Architect with 10+ years in the internet technology field, combining software expertise with mastery of the infrastructure of reliable, scalable, and high-performance systems in clouds(AWS/Azure/Self-Hosted), like API Services, AI Workflow Automation, Virtualization, Legacy Modernization usually Data Engineering.


TECHN ICAL SK ILLS

  • Languages: Go, Python, TypeScript/JavaScript, C#/.NET, PHP, Java, Bash, SQL, Tcl/Tk
  • Cloud & DevOps: AWS (Lambda, ECS, Fargate, S3), Azure, GCP, Kubernetes, Docker, Terraform, CI/CD (GitHub Actions), Linux Administration
  • Data & Storage: PostgreSQL/PostGIS, TimescaleDB, Redis, Elasticsearch, Kafka, DuckDB, SQLite, MinIO, Data Migration
  • Architecture & Design: Microservices, Event-Driven, Serverless, Domain-Driven Design (DDD), Clean Architecture, Legacy Modernization
  • AI & Automation: LLM Hosting/Integration, MCP, NLP, OCR, RAG, N8N, Data Depersonalization, GDPRcompliant Strategies
  • Web & Tools: React, Vue.js, Node.js, Bun, Deno, Vite, Git, Cargo, Networking (TCP/IP, SSH, VPN/WireGuard), Nginx(SSL, rev./direct proxy)

Datenbanken

Blockchain BDB/LevelDB and cryptography approaches
Fortgeschritten
DB2
Basics
Fulltext and fuzzy searching
Experte
MySQL
Experte
Oracle
Fortgeschritten
PostgreSQL
Experte
Solr
Fortgeschritten
SQLite
Experte
Spatialite
Experte
PostGIS
Experte

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