Max D.-Senior Fullstack Engineer
Check rate
Experience
Senior Fullstack Engineer
Spiri.Bo GmbH
- Assumed responsibility for backend architecture and technical strategy, planning and leading the platform's evolution in close collaboration with the CTO
- Simultaneously drove the development of new features for the housing and tenant management platform, balancing high-level architectural design with hands-on implementation
- Utilized AI-assisted workflows (with tools such as Claude Code, Codex, Cursor) and worked on AI-based features (with tools such as N8N, Mastra, ElevenLabs)
Technologies: Node.js, TypeScript, React.js, Next.js, PostgreSQL, Google Cloud, Docker, Kubernetes
Freelance Software Engineer
OTTO GmbH
- Built new and enhanced existing features of product detail page of Europe's second largest online shop
- Introduced a feature that used LLMs to make customer reviews more accessible to customers
- Massively reduced complexity and improved performance of core feature (product dimension selection)
Technologies: Node.js, TypeScript, AWS, AWS CDK, Go, Java, Spring Boot, MySQL, MongoDB, Github Actions, Docker, Jenkins
Freelance Software Engineer
hello iteration GmbH
- Built event driven system to provide Smart TVs with accurate TV program and streaming service data
- Improved time at which program changes reach end customers from hours to seconds
- Technologies: Node.js, TypeScript, NestJS, MongoDB, Azure Cloud, Kubernetes, Docker, Terraform
Freelance Software Engineer
Nils Jessen Innovationsberatung
- Lead backend developer in project to provide modern UX including great performance to checkout flow of an insurance company
- Technologies: Node.js, TypeScript, MySQL, Angular, Redux, Docker, GitLab
Freelance Software Engineer
Leogistics GmbH
- Built features such as integration of OpenID Connect in a microservices architecture for a company providing cloud logistics solution for leading German companies in the retail and industrial sector
- Technologies: Node.js, TypeScript, NestJS, MongoDB, TypeORM, NATS, Docker
Freelance Software Engineer
A1 Telekom Austria AG
- Built the next generation online store of Austria’s leading fixed and mobile network operator making heavy use of micro frontends
- Shipped customer journey from product discovery until order placement for fixed net internet and TV bundles as a full stack engineer with focus on backend
- Technologies: Node.js, React, TypeScript, GraphQL, Apollo, Kubernetes, Docker
Software Engineer
Listnr
- Built initial version of platform to create podcasts out of written text using Google WaveNet and similar APIs with a team of 3 developers, moved to role of Technical Advisor after launch
- React, Node.js, MongoDB, SSML
Senior Software Engineer
YOUSURE Tarifvergleich GmbH
- Implemented redesign and rewrite of frontend and backend of Austria’s leading price comparison platform for insurances, utilities and phone plans
- Researched several solutions and built a proof of concept for a visual testing suite
- Researched solutions and communicated concept for an appointment booking tool to relevant stakeholders
- Technologies: Node.js, React, Next.js
Software Engineer
3-S IT Dienstleistungen GmbH
- Implemented frontend and backend of user management portal designed to manage over 1 million users
- Worked on a legacy Angular 1.3 application adding new features and performing bug fixes for the existing codebase
- Designed, documented and coordinated implementation of REST API with external partner
- Introduced extensive unit and integration test suite achieving over 80% test coverage
- Technologies: Node.js, React, TypeScript, Redux, Angular, Keycloak, MongoDB, Styled Components
Idea & Development
Net Worth Tracker
- Ideated and built simple Android app to track one's net worth
- used Kotlin, Dagger 2 and Android SDKs
- handled full Software Development Lifecycle
Software Engineer
Prototype of job search platform
- Ruby on Rails app to match employers and employees including capturing all relevant data of both parties, job postings, applications to those job postings and review functionality for both parties
- Ruby on Rails, PostgreSQL
Software Engineer
Vaamo Finanz AG
- Worked on the backend and frontend of a diverse set of features
- Full stack responsibility for features such as password reset, master data edit and investment strategy change
- Technologies: Scala, Java, Play Framework, PostgreSQL, Python, React, Redux, Node.js, Styled Components, AWS
Student
InformatiCup 2015
- Desktop application to use OpenStreetMap data to return the relevant area for a Space Usage Rule defined by type and coordinates (University project with team of 3)
- Java, Maven
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Media and Entertainment, Real Estate, Retail, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Human Resources.
Summary
I am a senior fullstack engineer with experience designing backend architectures, shaping technical strategy and delivering features from idea to production. I work mainly with Node.js, TypeScript, React, Next.js, PostgreSQL, MongoDB and cloud platforms including AWS, Google Cloud and Azure, using Docker, Kubernetes and infrastructure tooling where needed, but am open to working with new technologies as well.
I have built platforms for housing, e-commerce, logistics, insurance, telecommunications and media. My work includes reducing TV program update times from hours to seconds, improving complex product selection performance, building a user management portal for over 1 million users, and introducing LLM-based customer review summaries. I also have hands-on experience with event-driven systems, microservices and AI-assisted development.
Skills
- Fullstack Software Development
- Software Architecture
- Typescript
- Node.Js
- React.Js
- Go
- Java
- Scala
- Frontend
- Backend
Languages
Education
University of Münster
B.Sc. in Information Systems, focussing mostly on Android development in electives · Information Systems · Münster, Germany
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Max is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.
Max speaks the following languages: German (Native), English (Advanced).
Max has at least 12 years of experience. During this time, Max has worked in at least 6 different roles and for 13 different companies. The average length of individual experience is 1 year and 11 months. Note that Max may not have shared all experience and actually has more experience.
Based on recent experience, Max would be well-suited for roles such as: Senior Fullstack Engineer, Freelance Software Engineer, Software Engineer.
Max's most recent position is Senior Fullstack Engineer at Spiri.Bo GmbH.
In recent years, Max has worked for Spiri.Bo GmbH, OTTO GmbH, hello iteration GmbH, Nils Jessen Innovationsberatung, and Leogistics GmbH.
Max is most experienced in industries like Information Technology, Banking and Finance, and Media and Entertainment. Max also has some experience in Real Estate, Retail, and Telecommunication.
Max is most experienced in business areas like Information Technology, Product Development, and Human Resources.
Max has recently worked in industries like Information Technology, Real Estate, and Retail.
Max has recently worked in business areas like Information Technology and Product Development.
Max holds a Bachelor in Information Systems from University of Münster.
Max will be available full-time from October 2026.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 17 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Markus G.
Kiriakos K.
Mathias W.
Hans R.
Jens R.
Finn H.
Olaf T.
Niklas W.
Mathis D.
Jonas D.
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Senior Fullstack Engineer
Niko S.
Lutz H.
Saqib J.
Andreas D.
Stefan A.
Rüdiger S.
Yannick S.
Rainer D.
Kenan Š.
Jens H.
Nearby freelancers
Professionals working in or nearby Hamburg, Germany
Steffen K.
Benjamin P.
Angelika B.
Christian H.
Farid A.
Franziska K.
Padma Priya S.
Martin W.
Thomas D.
Neil S.
