Full Stack Web Developer, Cloud Architect, DevOps Engineer - Node.js, TypeScript, React, Docker, AWS

Meta search engine for real estate investors to find, acquire and manage highly rated properties in Germany

Frontend: TypeScript, React (Next.js), React Query, Tailwind, Styled

Components, Zeplin, i18n, GraphQL, Vercel, Fully Responsive

Backend: TypeScript, Node.js, Hasura, GraphQL, AWS SES Integration, Serverless.com (AWS Lambda & SQS), Message Queueing Systems (Producer & Consumer), REDIS (Upstash), ElasticSearch, Logging, Datadog

DevOps and Cloud Infrastructure: CI, CD Deployments (Vercel, AWS, Hasura, Serverless.com), AWS (Cross-Account IAM, SQS, SES, SSM, S3), IaC with CloudFormation, CI/CD Automation using GitHub Workflows

A graphical tool with drag&drop to help organizations model their teams, control resources and optimize performance transparently for all members.

Frontend: TypeScript, React, Next.js, React Query, React Grid Layout, React Map Interaction, Formik, Yup, Styled Components, Figma, Locale Support (EN, DE), CD to Vercel

Backend: TypeScript, Node.js, Express.js, MongoDB, mongoose, JWT, Sendmail.net Integration

DevOps and Cloud Infrastructure: CI (ESLint, Prettier), CD Deployment to AWS using Docker, Infrastructure defined by CloudFormation, CI/CD Automation using GitHub Workflows, AWS (IAM, VPC, Public & Private Subnets, ECR, ECS, ELB, ACM, SSM, S3), Domains & Certs

GIS / map-based tool to identify geographical regions and objects of interest by freely configurable filters on stored attributes. Modular software architecture to allow further use in a large B2B app suite.
 

Frontend: TypeScript, React (Next.js), Redux, Rematch, Immer.js, Material UI, Leaflet

Backend: TypeScript, Node.js, Express.js, PostgreSQL, PostGIS, Knex.js, Objection.js, OpenAPI, JSON Schema, Automatic Code Generation (API Lib, Request Validation & Typings)

DevOps and Cloud Infrastructure: CI (ESLint, Prettier), CD Deployment to AWS using Docker, Infrastructure defined by CloudFormation, CI/CD Automation using GitHub Workflows, AWS (IAM, VPC, Public & Private Subnets, ECR, ECS, ELB, ACM, SSM, S3, RDS), Domains & Certs

Purchase different kinds of individual legal documents as PDF file download using a dialog-based interactive web form.

Frontend: TypeScript, React (Next.js, Gatsby.js), Styled Components, Tailwind CSS, Adobe XD, Integrations (PayPal, Google Analytics, Sentry.io), Responsive on Mobile, Tablet and Desktop

Backend: TypeScript, Node.js, Express.js, pdfmake, Implementation of a Domain-Specific Language for Document Generation, JSON Schema, Ajv (Request Validation), PayPal Checkout

DevOps and Cloud Infrastructure: CI (ESLint, Prettier), CD Deployment to AWS using Docker, Infrastructure defined by CloudFormation, CI/CD Automation using GitHub Workflows, AWS (IAM, VPC, Public & Private Subnets, ECR, ECS, ELB, ACM, SSM, S3, Lambda), Domains & Certs

Discover local events in a mobile-first web app. Event data was synchronized from an external API / database used in a print newspaper. Canceled due to COVID.

Backend: TypeScript, Node.js, Express.js, Joi (Request Validation), SQL, Knex.js, Objection.js, PostgreSQL, Full Text Search, Radius Search, iCal Generation, Microsoft Azure AD Auth, AWS S3 Storage

Sync Service: Python, Flask, requests, click, psygopg2, PostgreSQL