Marian Gaebler - Senior Software Engineer

Hamburg, Germany

Experience

Aug 2024 - Mar 2025

8 months

Hamburg, Germany

Senior Software Engineer

B&P Bergmannpartners

Full-stack development of a customizable SaaS platform for the real estate industry
Conducting domain discovery to gather business requirements and derive technical specifications
Designing and implementing core features with a Remix MVC architecture using TypeScript, Node.js, and PostgreSQL
Focusing on usability, extensibility, and high scalability of the platform

Feb 2022 - Nov 2023

1 year 10 months

Berlin, Germany

Senior Software Engineer

Gestalt Robotics

Developing a tablet application to digitally support workshop processes (error detection, documentation, categorization)
Building an intuitive UI in close collaboration with UX/UI design for real workshop conditions
Integrating real-time communication for cross-team status tracking
Modeling domain-specific data structures and connecting the backend via REST APIs

Jan 2021 - Jun 2023

2 years 6 months

Berlin, Germany

Software Engineer

hausify GmbH

Developing and enhancing core components of the SaaS platform for digital property management
Designing and implementing an internal ticket management tool for staff and managers
Building the admin area and contributing to web and mobile apps for property management
Utilizing modern UI technologies like React, React-Admin, Material UI, and React Native to create user-friendly interfaces
Collaborating across all project phases: from requirements gathering to iterative optimization in an agile setup

Oct 2020 - Jun 2021

9 months

Hamburg, Germany

Senior Software Engineer

Orbit - orbitdigital.de

Full-stack development of dynamic web forms for B2B and B2C insurance platforms
Building high-performance UIs and stable server architectures with a focus on scalability and maintainability
Integrating external services (e.g., MailJet) and handling operations and maintenance in the AWS cloud
Using modern technologies like Next.js, Node.js, React, and Docker
Ensuring quality with automated tests using Mocha and Cypress (E2E & unit)

Apr 2018 - Sep 2020

2 years 6 months

Germany

Senior Software Engineer

Protofy GmbH & Co. KG

Implementing diverse client projects: from interactive campaigns and mobile apps to mission-critical web portals
Taking ownership of all project phases – from technical conception to go-live
Collaborating closely with cross-functional teams (design, PM, dev) for fast and clean execution of complex requirements
Integrating content platforms (e.g., Contentful), APIs, and CI/CD processes
Focusing on sustainable architecture, high code quality, and good UX – even in short-term projects

Apr 2017 - Apr 2018

1 year 1 month

Germany

Software Developer

alemo kommunikations GmbH

Further development and optimization of an existing cloud platform with a focus on deployment automation and system integration
Building and maintaining a robust CI/CD test pipeline with Docker, PHP, and Jenkins for quality assurance
Developing custom Power BI plugins to expand visualization and reporting features
Implementing interactive data visualizations with TypeScript and D3 to enhance data-driven decisions

May 2016 - Mar 2017

11 months

Hamburg, Germany

Software Developer

Immonet GmbH

Overhaul and extension of the property listing section with modern, maintainable frontend components (JavaScript, jQuery, AngularJS, Thymeleaf)
Supporting the DevOps team in integrating microservices into the existing infrastructure (Docker, Jenkins, Gradle)
Developing a modular interface for integrating advertising partners with a focus on technical and organizational simplicity
Working closely with cross-functional teams to ensure stable deployments and maintainable solutions

Aug 2010 - Apr 2016

5 years 9 months

Germany

Web Developer

intosite

Full-stack development of editorial platforms for wine search, product reviews, careers, and events (including Feinschmecker, Trendsetter, Project 50+, Prinz, Urbanite)
Backend development with Django and Python, frontend with jQuery and CSS
Integration of Elasticsearch and Solr for powerful search features
Technical design, maintenance, and continuous optimization of platforms including SEO measures
Using Vagrant for local development and PostgreSQL as the persistent database

Sep 2009 - Jan 2010

5 months

Lübeck, Germany

Frontend Developer

AR International

Developing an interactive configuration tool for the Interspeek product to simplify and streamline setup
Designing a user-friendly UI with jQuery, JavaScript, and PHP to support non-technical users
Further development of the online car sales portal AriCars with a focus on improved communication and UX
Implementing new features with the Zend Framework, including expanding user interaction and platform functionality

Summary

I'm a freelance software engineer with over 15 years of experience developing modern web and SaaS applications.

My focus is on scalable architectures, clean code, and maintainable solutions.

I work with TypeScript, React, and Node.js, and I drive projects forward efficiently using domain-driven design, agile methods, and close collaboration with product teams – from prototype to scalable product.