Sebastian W.
Software Engineer & Consultant
Experience
Sep 2023 - Present
2 years 1 monthSoftware 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 monthChief 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 monthsTeam 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 monthsFullstack 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 monthsFullstack 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 monthsWeb 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
AdvancedEnglish
AdvancedEducation
Oct 2001 - Jun 2009
CAU Kiel
Geology · Kiel, Germany
Kyffhäusergymnasium
High School Diploma · Germany
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.