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Manuel Sowada-Software Developer / Fullstack Developer

Manuel Sowada - Software Developer / Fullstack Developer - profile avatar
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Germany

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Experience

Feb 2012 - Present

Software Developer / Fullstack Developer

Self-employed

Position summary
Software Developer / Fullstack Developer at Self-employed
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Development and maintenance of custom web applications for internal business processes

  • Implementation of backend features with Node.js and/or C#/.NET

  • Development of dynamic frontend interfaces with JavaScript, HTML, and CSS

  • Creation and optimization of SQL queries, views, and database structures

  • Digitization of manual administrative processes

  • Development of tools for asset/personnel management, demand management, and user management

  • Implementation of role and permission logic

  • Analysis of existing workflows and derivation of technical solutions

  • Error analysis, refactoring, and extension of existing applications

  • Reduction of manual work steps through custom web tools

  • Better transparency over users, roles, groups, and permissions

  • Faster processing of internal administrative processes

  • Improved data quality through structured input and validation processes

  • Maintainable and easy-to-understand solutions for long-term use

  • Demand management: A Windows desktop application with live pop-up notifications for procurement and management of internal company needs such as devices, machines, repairs, maintenance, and warehouse materials (technologies: C# .NET 4.8, Active Directory context)

  • Web-based operating system (codename: Radix OS): A web-based OS that brings internal tools together as scalable plugins in a modern multi-window desktop interface; development of a user overview with dynamic detail views, window-based opening of plugins and settings, interactive UI elements and clear list/tile views, connection to existing data sources and permission information (technologies: JavaScript, TypeScript, Node.js, SQL, HTML, CSS, Active Directory context)

  • Custom web tools for local businesses: Concept and implementation of lean web applications for typical business processes in small and medium-sized companies such as management of inventory, requests, users, and recurring tasks; typical use cases: asset management, inventory management, demand management, internal approval processes, simple CRM or administrative functions, reports and overviews, automation of recurring manual workflows; benefits: fewer Excel lists, faster processes, better overview of data and responsibilities, software that fits the process exactly (technologies: Node.js, C#/.NET, JavaScript, SQL, HTML, CSS)

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology.

Information Technology
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Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Product Development.

Information Technology
Product Development
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Summary

As a freelance Software & Automation Engineer, I help companies unlock the full potential of artificial intelligence and modern software architecture.

My main areas of work:

n8n workflow automation: Orchestrating complex business processes (cloud or self-hosted) to reduce manual routine tasks.

AI agents & RAG systems: Building smart assistants for automated document analysis, data processing, and customer support.

Custom API & software development: Developing custom interfaces and backend logic in TypeScript and Python for seamless system integrations.

Security & data privacy: Implementing modern solutions with full control over your own data and complete GDPR compliance.

Skills

Automation & Orchestration

  • Tools: N8n (Cloud & Self-Hosted Infrastructure), Make, Workflow Engine Architecture
  • Focus: End-To-End Process Automation, Event-Driven Architecture, Webhooks & Interfaces

Artificial Intelligence & Data

  • Ai & Llm Integration: Openai Api, Anthropic, Open-Source Models (Ollama, Local Models)
  • Ai Systems: Rag (Retrieval-Augmented Generation), Custom Ai Agents, Vector Databases (Pinecone, Qdrant)

Software Engineering & Apis

  • Languages & Frameworks: Typescript, Javascript, Python, Node.Js
  • Development: Custom Node Development, Rest Apis, Graphql, Backend Development

Security, Infrastructure & Standards

  • Self-Hosted Deployment (Docker, Linux Vps), Gdpr-Compliant Data Processing, Clean Code & Test-Driven Development

Languages

German
Native
English
Advanced

Education

Sep 2009 - Mar 2011

City of Frankfurt am Main

Frankfurt, Germany

Statistics

Experience

Total positions 1
Experience in Information Technology 14.5 y
Avg length 14 y 6 m
Longest experience 14 y 6 m

Expertise

Recent roles Software Developer / Fullstack Developer
Main industries Information Technology
Main business areas Information Technology, Product Development

Profile

Member since
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Frequently asked questions

Have questions? Find more information here.

Manuel speaks the following languages: German (Native), English (Advanced).

Manuel has at least 15 years of experience. During this time, Manuel has worked in at least 1 role and for 1 company. The average length of individual experience is 15 years and 6 months. Note that Manuel may not have shared all experience and actually has more experience.

Based on recent experience, Manuel would be well-suited for roles such as: Software Developer / Fullstack Developer.

Manuel's most recent position is Software Developer / Fullstack Developer at Self-employed.

In recent years, Manuel has worked for Self-employed.

Manuel is most experienced in industries like Information Technology.

Manuel is most experienced in business areas like Information Technology and Product Development.

Manuel has recently worked in industries like Information Technology.

Manuel has recently worked in business areas like Information Technology and Product Development.

Manuel attended City of Frankfurt am Main.

The availability of Manuel needs to be confirmed.