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Sebastian W.

Software Engineer & Consultant

Hamburg, Germany

Experience

Sep 2023 - Present
2 years 4 months

Software Engineer & Consultant

Freelancer

  • Development of a SaaS product in the B2B sector
  • AWS, NodeJS, Vue, Typescript
  • Microservice architecture
  • DynamoDB, Lambda, SQS, SES, EventBridge, Cognito, Serverless-Framework, Rest-API
  • Unit Tests with Jest, Mocha
  • CI/CD-Pipeline with Github Actions
  • Development of a SaaS product for organization management
  • AWS, NodeJS, React, NextJS, Typescript
  • AWS Microservice architecture, Event driven
  • DynamoDB, Lambda, SQS, SES, EventBridge, Cognito, Typescript
  • CDK, Rest-API
  • NodeJS OpenAI-API
  • React / Vue Unit Tests with Jest, Mocha
  • CI/CD-Pipeline with Github Actions
Aug 2022 - Aug 2023
1 year 1 month

Chief Technology Officer (CTO)

cropspot GmbH

  • Development and scaling of a trading platform for agricultural products
  • AWS, NodeJS, Vue, Typescript, PHP
  • Monolithic architecture, Microservices
  • MySQL, Laravel, DynamoDB, Lambda, Rest-API
  • Unit Tests with PHPUnit
  • CI/CD-Pipeline with Github Actions
Jun 2020 - Jul 2022
2 years 2 months

Team Lead Software Engineering

Exporo AG

  • Development of an investment platform for real estate
  • AWS, NodeJS, Vue, Typescript
  • Microservices, Event driven, Event Sourcing
  • DynamoDB, Lambda, SNS, SQS, EventBridge, EC2, ECS
  • Ethereum Blockchain
  • Unit Tests with Jest/Mocha
  • E2E Tests with Cypress
  • CI/CD-Pipeline with Github Actions and CircleCI
  • Personnel and technical responsibility for a team of 5-7 members
  • Half-yearly staff appraisals and evaluations
  • Salary and bonus determinations, promotions
  • OKRs
Jan 2018 - May 2020
2 years 5 months

Fullstack Software Engineer

Exporo AG

  • Development of a tool for the digitalization of internal work processes
  • AWS, PHP, React, Typescript
  • Monolithic architecture
  • Laravel, EC2, ECS, Gitlab
  • Unit Tests with PHPUnit
  • E2E Tests with Cypress
  • CI/CD-Pipeline with CircleCI
Apr 2016 - Dec 2019
3 years 9 months

Fullstack Software Engineer

Stamp Media GmbH

  • Development and maintenance of customer sites and web applications
  • PHP, Javascript, HTML, CSS, Ruby
  • Wordpress, Laravel, Vue, RubyOnRails, Angular
  • Server administration
Jan 2008 - Mar 2016
8 years 3 months

Web Developer

Freelancer

  • Development and maintenance of customer sites
  • PHP, Javascript, HTML, CSS
  • Wordpress, Laravel, Vue
  • Server administration
  • SEO

Summary

Specialized in event driven microservice architecture in AWS with NodeJS, Typescript and Vue/React/Next in the frontend.

Languages

German
Advanced
English
Advanced

Education

Oct 2001 - Jun 2009

CAU Kiel

Geology · Kiel, Germany

Kyffhäusergymnasium

High School Diploma · Germany

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