Software Engineer
Aktualisiert am 08.05.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 17.04.2026
Verfügbar zu: 100%
davon vor Ort: 50%
Fullstack
IT-Security
German native
Muttersprache
English
fluent
Italian
Grundkenntnisse
French
Grundkenntnisse

Einsatzorte

Einsatzorte

Berlin (+10km)
Deutschland
möglich

Projekte

Projekte

1 year 2 months
2025-03 - now

Full Stack and System Development

Freelance Software Engineer C Go JavaScript ...
Freelance Software Engineer

C Go JavaScript TypeScript Docker Kubernetes Node.js Postgres React
9 months
2025-08 - 2026-04

Kwop Ltd.

Freelance Embedded Software Engineer C C# Go ...
Freelance Embedded Software Engineer

  • Work on subproject within the zkEVM team of the Ethereum Foundation.
  • Assistance with providing compiler build pipelines for Go and C# targeting RISC-V 64bit.

C C# Go Rust clang/gcc Docker GitHub Actions WAMR WebAssembly
on request
5 months
2025-06 - 2025-10

Integration with Accounting software

Freelance Software Engineer C# Go TypeScript ...
Freelance Software Engineer
  • Worked on client project which had to be migrated from C# to Go. 
  • Integration with Accounting software such as Lexoffice, Sevdesk and Sage Active within an AI-generated Plugin Architecture.
C# Go TypeScript AWS ECS AWS Lambda Docker GitHub Actions Postgres S3 Svelte Vite
Raiok
3 months
2025-03 - 2025-05

Caperity software

Freelance Software Engineer Node.js JavaScript Docker ...
Freelance Software Engineer
  • Caperity is a software for Agencies to perform Capacity planning.
  • Contributed to finalization of MVP. This included coaching related to Error Handling in NodeJS, Payment Integration as well as Transactional E-Mail setup.
Node.js JavaScript Docker Mailjet Postgres React
Caperity
1 year
2024-03 - 2025-02

Veeam Kasten - Backup solution for Kubernetes

Experienced Security Software Developer Bash Go Codefresh ...
Experienced Security Software Developer

  • Worked on security related tasks including a project to improve the TLS layer. Scanning of risky components which have been refactored.
  • Project to replace costly Google-image scanning with free tools like Grype/Trivy and evaluate using standardized Rego rules with Trivy instead of the custom rules engine.

Bash Go Codefresh Docker grype Github Actions Helm Kubernetes Rego Trivy
Veeam
1 year 4 months
2022-08 - 2023-11

Nordlayer - Zero Trust/SASE VPN solution

Senior Go Engineer Bash C Go ...
Senior Go Engineer
  • Worked on Linux CLI Client, added new features and solved technical debt by adding end-to-end tests, refurbishing forked dependencies and refactoring packages.
  • Improved reliability, security and compatibility with supported target platforms.
Bash C Go Docker GitLab CI/CD netlink nftables testify libvirt/vagrant
Nord Security
1 year 8 months
2020-03 - 2021-10

Biking System

Software Engineer Kotlin TypeScript AWS ...
Software Engineer
  • BES3 One Bike Cloud for Bosch?s next generation Connected Biking System
  • Implementation of Release management software and PKI service.
  • Integration with Hardware solution and App through REST APIs. Also optimized the DevOps workflow and the Security Architecture.
Kotlin TypeScript AWS Docker Jenkins Kubernetes MySQL Protobuf Spring Boot Terraform
Bosch
7 months
2019-08 - 2020-02

Electric scooter

Senior Backend Engineer Go JavaScript Ruby ...
Senior Backend Engineer
  • Electric scooter sharing in 6 cities founded by Bosch
  • Improvement of code base, focus on reliability and monitoring. Rental failures lowered from 10% to < 0,1%.

Go JavaScript Ruby AWS Docker gRPC Kibana Kubernetes MySQL Postgres Terraform
Coup Mobility
4 months
2019-02 - 2019-05

Development software for aviation

Freelance Software Engineer Bash JavaScript Python ...
Freelance Software Engineer
Import of XML data sources and implementation of API and UI functions.
Bash JavaScript Python Postgres
m-click.aero
1 year 10 months
2017-03 - 2018-12

IOC API Service Based on Microservices

Cyber Security Expert Bash Go JavaScript ...
Cyber Security Expert

  • DCSO provides IT Security Products and Services for enterprise customers.
  • IOC API Service Based on Microservices for managing Indicators of Compromise ?IOCs?.
  • Improved Go bindings for fault-tolerance. Worked in a small team to simplify testing and development with Docker.
  • Portal Worked on the backend of a new solution for management to access monitoring/incident related data which is more secure and flexible than the existing solution.

Bash Go JavaScript Python Docker Django Flask MySQL Postgres RabbitMQ
DCSO

Aus- und Weiterbildung

Aus- und Weiterbildung

2005 - 2010

Physics

Diploma

RWTH Aachen University


Key Focus:

Studied Physics with specialization in Theoretical Particle Physics and Minor subject Computer Science.

Kompetenzen

Kompetenzen

Top-Skills

Fullstack IT-Security

Programmiersprachen

Go
JavaScript
TypeScript
Python

Einsatzorte

Einsatzorte

Berlin (+10km)
Deutschland
möglich

Projekte

Projekte

1 year 2 months
2025-03 - now

Full Stack and System Development

Freelance Software Engineer C Go JavaScript ...
Freelance Software Engineer

C Go JavaScript TypeScript Docker Kubernetes Node.js Postgres React
9 months
2025-08 - 2026-04

Kwop Ltd.

Freelance Embedded Software Engineer C C# Go ...
Freelance Embedded Software Engineer

  • Work on subproject within the zkEVM team of the Ethereum Foundation.
  • Assistance with providing compiler build pipelines for Go and C# targeting RISC-V 64bit.

C C# Go Rust clang/gcc Docker GitHub Actions WAMR WebAssembly
on request
5 months
2025-06 - 2025-10

Integration with Accounting software

Freelance Software Engineer C# Go TypeScript ...
Freelance Software Engineer
  • Worked on client project which had to be migrated from C# to Go. 
  • Integration with Accounting software such as Lexoffice, Sevdesk and Sage Active within an AI-generated Plugin Architecture.
C# Go TypeScript AWS ECS AWS Lambda Docker GitHub Actions Postgres S3 Svelte Vite
Raiok
3 months
2025-03 - 2025-05

Caperity software

Freelance Software Engineer Node.js JavaScript Docker ...
Freelance Software Engineer
  • Caperity is a software for Agencies to perform Capacity planning.
  • Contributed to finalization of MVP. This included coaching related to Error Handling in NodeJS, Payment Integration as well as Transactional E-Mail setup.
Node.js JavaScript Docker Mailjet Postgres React
Caperity
1 year
2024-03 - 2025-02

Veeam Kasten - Backup solution for Kubernetes

Experienced Security Software Developer Bash Go Codefresh ...
Experienced Security Software Developer

  • Worked on security related tasks including a project to improve the TLS layer. Scanning of risky components which have been refactored.
  • Project to replace costly Google-image scanning with free tools like Grype/Trivy and evaluate using standardized Rego rules with Trivy instead of the custom rules engine.

Bash Go Codefresh Docker grype Github Actions Helm Kubernetes Rego Trivy
Veeam
1 year 4 months
2022-08 - 2023-11

Nordlayer - Zero Trust/SASE VPN solution

Senior Go Engineer Bash C Go ...
Senior Go Engineer
  • Worked on Linux CLI Client, added new features and solved technical debt by adding end-to-end tests, refurbishing forked dependencies and refactoring packages.
  • Improved reliability, security and compatibility with supported target platforms.
Bash C Go Docker GitLab CI/CD netlink nftables testify libvirt/vagrant
Nord Security
1 year 8 months
2020-03 - 2021-10

Biking System

Software Engineer Kotlin TypeScript AWS ...
Software Engineer
  • BES3 One Bike Cloud for Bosch?s next generation Connected Biking System
  • Implementation of Release management software and PKI service.
  • Integration with Hardware solution and App through REST APIs. Also optimized the DevOps workflow and the Security Architecture.
Kotlin TypeScript AWS Docker Jenkins Kubernetes MySQL Protobuf Spring Boot Terraform
Bosch
7 months
2019-08 - 2020-02

Electric scooter

Senior Backend Engineer Go JavaScript Ruby ...
Senior Backend Engineer
  • Electric scooter sharing in 6 cities founded by Bosch
  • Improvement of code base, focus on reliability and monitoring. Rental failures lowered from 10% to < 0,1%.

Go JavaScript Ruby AWS Docker gRPC Kibana Kubernetes MySQL Postgres Terraform
Coup Mobility
4 months
2019-02 - 2019-05

Development software for aviation

Freelance Software Engineer Bash JavaScript Python ...
Freelance Software Engineer
Import of XML data sources and implementation of API and UI functions.
Bash JavaScript Python Postgres
m-click.aero
1 year 10 months
2017-03 - 2018-12

IOC API Service Based on Microservices

Cyber Security Expert Bash Go JavaScript ...
Cyber Security Expert

  • DCSO provides IT Security Products and Services for enterprise customers.
  • IOC API Service Based on Microservices for managing Indicators of Compromise ?IOCs?.
  • Improved Go bindings for fault-tolerance. Worked in a small team to simplify testing and development with Docker.
  • Portal Worked on the backend of a new solution for management to access monitoring/incident related data which is more secure and flexible than the existing solution.

Bash Go JavaScript Python Docker Django Flask MySQL Postgres RabbitMQ
DCSO

Aus- und Weiterbildung

Aus- und Weiterbildung

2005 - 2010

Physics

Diploma

RWTH Aachen University


Key Focus:

Studied Physics with specialization in Theoretical Particle Physics and Minor subject Computer Science.

Kompetenzen

Kompetenzen

Top-Skills

Fullstack IT-Security

Programmiersprachen

Go
JavaScript
TypeScript
Python

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