21.11.2025 aktualisiert

verifiziert

Premiumkunde

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Senior full stack developer since 8 years | a11y | Vue, Nuxt, React, NodeJs, Spring Boot, AWS

Hamburg, Deutschland Fachinformatiker Anwendungsentwicklung

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Über mich

Senior full stack developer with 8 years of experience in delivering solutions. Expert in Accessibility, working with Vue, Nuxt and React in the frontend, alongside backend frameworks as NodeJs and Java Spring Boot, database management with PostgreSQL and MongoDB, as well as AWS as Cloud.

Skills

Javascript Vue JS Nuxt Schnittstellen / APIs Gitlab Remote Fullstack-Developer VueJs NodeJS Java Spring-Boot Laravel git Postgresql AWS Lamba AWS API Gateway Amazon Web Services (AWS) React Native React

Full-stack developer with over 6 years of experience architecting scalable
web applications using Vue.js/Nuxt (v2 & v3), Node.js and Java Spring Boot. Led end-to-end migrations from monolithic to microservices architectures in AWS and implemented CI/CD pipelines across GitHub, Bitbucket and GitLab. Authored 5 open-source Vue/Nuxt libraries with up to 9100 Monthly downloads (see https://www.npmjs.com/package/nuxt-3-intercom).

Website

Sprachen

DeutschMutterspracheEnglischverhandlungssicherSpanischGrundkenntnisse

Projekthistorie

Senior full stack developer

L1R1 GmbH

Banken und Finanzdienstleistungen

< 10 Mitarbeiter

- Maintain the Frontend - VueJs, Nuxt, Radix-vue
- Maintain the backend - NodeJs
- Maintain the CI / CD - Gitlab
- Maintain the Cloud - AWS (Beanstalk, EC2)
- - Implement an EC2 with self hosted DeepSeek LLM

Senior VueJs Developer

SmartAgency GmbH

Internet und Informationstechnologie

50-250 Mitarbeiter

Develop new components and bugfix existing implementations
Transform figma designs into the website
Performance optimizations in the frontend

Website for a scuba dive center

Sonstiges

< 10 Mitarbeiter

Design und develop the new website and restructure the hosting

Technology: Webflow

Zertifikate

Portfolio

Senior Full Stack Developer.

I supported L1R1 with their project for 3 months as a Senior Full Stack Developer. The Product offers the User an option to upload any kind of invoice. The Invoice will be scanned via OpenAI and fields were automatically detected.

https://l1r1.ai/

A price comparison website for bitcoin products

Written in Vue3, Nuxt4, NodeJs, Algolia Search Ongoing project

https://gospendl.com/

My personal blog.

Written in Vue3, Nuxt Content

https://blog.devnik.dev/

App for the Outdoor Table tennis Community

This App is written in React Native, and I am supporting as a React Native developer. I redesigned the parts of the app and transferred Figma designs into the app. I redesigned the log in screen by implementing a background video and other features

https://www.pongmasters.app/

Senior Vue Developer

This project ask the User specific questions, and it's generating a production ready website powered by OpenAI. The project is written in Vue3, Nuxt3, NodeJs and hosted in AWS. The project team were around 80 people, and we worked in a monorepo powered by turbo repo.

https://territory.de/de/news/territory-gruendet-start-up-smart-agency

Appointment Booking App for Pet Owner and Vet's

In this tool, pet owners are able to book appointments with a clinic. This white label project is fully customizable for each clinic that uses the shop. The clinic gets a calendar and can set his consultation hours, the selectable symptoms and more.

https://heiland.com/

Landingpage for Car industry

This landingpage was made for specific car - The Jaguar E-Pace.

SaaS API for generating christmas cards

In this Project, the agency made yogagraphy's from people for every A-Z character. We sent Christmas cards to every agency's customer with an automated email campaign through Mailchimp. I built an REST API with Laravel.

https://devnik.dev/projects

Website for polling people for charitable projects

EnBW is launching every year the project "Macherbus" to sponsor charitable projects. The User can apply with its project and the winner project will be sponsored by EnBW. I build the frontend in Vue2, backend in Laravel and used AWS EC2 and Route53 for hosting.

https://www.enbw.com/unternehmen/wie-wir-handeln/engagement/soziales/enbw-macherbus

Bewertungen

"Niklas versteht sein Fach, arbeitet zuverlässig und qualitativ hochwertig. Seine Leistungen kann ich wärmstens empfehlen. Er war eine Bereicherung für unser Team, hat sich schnell in die Technik und unsere Entwicklungsprozesse eingearbeitet und konnte somit zeitnah eigenständig Tickets bzw. Aufgaben abarbeiten."

L1R1 Technologies GmbH

CTO (Niklas Donges)

"Niklas hat unser Team bei der Weiterentwicklung unseres SaaS-Produkts entscheidend unterstützt. Mit seiner Expertise in der Full-Stack-Entwicklung und seinem Fokus auf Frontend-Technologien wie Vue.js war er eine wertvolle Bereicherung. Seine Aufgaben erledigte er stets zuverlässig und zu unserer vollsten Zufriedenheit. Besonders hervorzuheben ist seine proaktive Arbeitsweise: Er hinterfragt Ansätze kritisch und bringt seine Erfahrung gewinnbringend in Planung und Umsetzung ein."

Smart Agency

CTO (M. Czesnik)

exali Berufshaftpflicht-Siegel

Das original exali Berufshaftpflicht-Siegel bestätigt dem Auftraggeber, dass die betreffende Person oder Firma eine aktuell gültige branchenspezifische Berufs- bzw. Betriebshaftpflichtversicherung abgeschlossen hat.

Versichert bis: 01.01.2026

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