Christoph S.

About Me

Chris is a seasoned software developer with over a decade of experience in the field. Equipped with a diverse range of skills and knowledge across various technologies and programming languages, he possesses a comprehensive understanding of all aspects of full-stack development. With a keen intuition and drive to comprehend the larger context of problems, Chris consistently devises inventive and well-considered solutions to complex challenges.

Frontend

Backend

Database

DevOps

Work history

404 Publishing
Full-stack Developer
2020 - 2021 (1 year)
Remote
  • Developed speed improvements for calculations on a distributed network of Node.js instances, which communicate with each other and rely on each other's data.

  • Configured and implemented an audio streaming service to stream a radio show on a Next.js page.

  • Extended the functionality of the front end and increased stability and loading times.

Social News Desk, Inc.
App Developer
2019 - 2020 (1 year)
Remote
  • Ensured application security by updating library dependencies and adjusting source code.

  • Improved application functionality by adding and extending features.

  • Enhanced application quality by fixing bugs discovered through source code scanning and usage.

Various Platforms
Freelancer
2017 - Present (8 years)
Remote
  • Developed an application that manages subscriptions and monthly payments.

  • Developed an event management web application where the client can manage his events and all of the guests.

  • Created a custom CMS with Vue.js and AWS Lambda for a client with special needs in functionality.

  • Transferred an existing in-house system to the AWS Cloud by utilizing specialized AWS solutions to increase performance and reduce cost.

  • Designed and developed an application through which users are able to generate questionnaires.

  • Developed a children sponsorships platform coupled with a management system.

Amazon Web Services (AWS) Node.jsVue CSSWeb DevelopmentHTML5Amazon API Gateway WordPressAmazon CloudFront CDNAWS Lambda Amazon S3 (AWS S3) Amazon DynamoDB ReduxReact NativeReact LinuxGitWeb App Deployment Vuetify AWS AmplifyCloudFlareWebpackMacOS TypescriptServerlessAWS SDKFull-stack Web App Development Front-end HerokuAgile WooCommerceShopifyShopwareMongoDBGraphqlREST APIs Backendless Back-end MUI (Material UI) Nuxt.jsNext.jsHTMLAWS AppSyncVuexPostgreSQLUI DesignPrototypingDatabasesRESTJavaScriptRelational Databases DockerAmazon CloudWatch AngularElectron APIsCode ReviewSource Code Review Task Analysis Team ManagementTailwind CSSFigmaMUI CSS AWS Cloud Architecture MicroservicesServer-side Rendering (SSR) Search Engine Optimization (SEO) eCommerce DevOpsTechnical Leadership Technical Project Management Project ManagementCI/CD Pipelines KubernetesDigitalOcean AWS Elastic BeanstalkExpress.js Amazon Simple Email Service (SES) Lambda Functions Unit TestingContinuous Integration (CI)Storybook
Mymarket.io GmbH
Software Engineer
2014 - 2016 (2 years)
Remote
  • Built example websites on the eCommerce platform, showcasing its advanced technology to prospective clients.

  • Used AWS to optimize the platform's back end, ensuring smooth and reliable operation.

  • Conducted in-depth research and analysis on abroad manufacturers and vendors, establishing valuable relationships and gaining insight into important details.

  • Assisted with the development of the platform's back end, leveraging technical expertise to optimize performance and ensure the system's smooth operation.

Amazon Web Services (AWS) Node.jsMySQLAngularJS PHPCSSWeb DevelopmentAgile software developmentSQLScrumAWS Lambda Amazon S3 (AWS S3) LinuxGitWeb App Deployment WebpackTypescriptServerlessFull-stack Web App Development Front-end Agile REST APIs Backendless Back-end HTMLDatabasesRESTJavaScriptRelational Databases Code ReviewSource Code Review AWS Cloud Architecture Search Engine Optimization (SEO) eCommerce CI/CD Pipelines Unit TestingContinuous Integration (CI)
Pool4Tool
Software Engineer and Team Lead Assistant
2012 - 2014 (2 years)
Remote
  • Contributed to developing an e-procurement platform tailored for the car industry, collaborating with team members to create an efficient solution that streamlined procurement processes.

  • Worked closely on improving the performance of complex calculations, leveraging technical expertise to identify and resolve system bottlenecks, resulting in faster and more responsive system performance.

  • Estimated project features and provided valuable support in project planning, helping to optimize development processes and ensure the project was completed successfully.

  • Assisted with time planning and scheduling, managing a team of four individuals to ensure the project was delivered on time and to a high standard.

GitSubversion (SVN) MySQLPHPCSSWeb DevelopmentAgile software developmentSQLScrumKanbanFull-stack Front-end Agile REST APIs Backendless Back-end HTMLPostgreSQLDatabasesRESTJavaScriptRelational Databases Code ReviewSource Code Review Interviewing Technical Hiring Search Engine Optimization (SEO) eCommerce Technical Leadership CI/CD Pipelines Unit TestingContinuous Integration (CI)
Peyton & Greyson Solutions Inc.
Full-stack Developer
Present (2025 years)
Remote
  • Extended the existing front-end of the application and added necessary back-end functionality to meet project requirements, resulting in improved user experience and increased customer satisfaction.

  • Managed and coached another front-end developer, providing valuable feedback and guidance on how to use certain parts of the application and ensuring the overall quality of the code.

  • Played a key role in integrating Stripe payments into the application and implementing monitoring functionality, resulting in improved payment processing and increased application performance.

  • Provided valuable input on AWS-specific functionalities, contributing to the project's overall success.

RESTREST APIs APIsJavaScriptHTMLCSSSQLAmazon Web Services (AWS) User Experience (UX)
Share My Telly Job CIC
Nuxt.js and Node.js Developer
Present (2025 years)
Remote
  • Transferred a Nuxt.js application to AWS, resulting in increased performance, reduced hosting costs, and more control.

  • Implemented advanced security measures, including data encryption, to protect the client's sensitive information.

  • Provided technical consultation to the client and attended meetings to ensure a seamless transition to the new hosting environment.

Nuxt.jsVue JavaScriptNode.jsPostgreSQLAmazon Web Services (AWS) Amazon EC2
Artistic Fuel
Full-stack Developer
Present (2025 years)
Remote
  • Revamped an outdated React Native application by updating it to the latest versions and introducing new features, resulting in a more modern and user-friendly experience.

  • Designed user interfaces for a React Native application using wireframes, ensuring a well-organized and intuitive user experience.

  • Developed a customized chat feature using WebSockets for an application, providing users with a seamless and efficient communication channel.

Node.jsAmazon Web Services (AWS) React NativeAmazon CloudWatch APIsContinuous Integration (CI)
BBRZ Wien
Teacher
Present (2025 years)
Remote
  • Conducted classes for groups of approximately 20 individuals on subjects ranging from fundamental HTML to advanced engineering techniques and algorithms.

  • Mentored student teams through their initial software engineering project by instructing them on processes like project planning, agile software development, and quality assurance.

  • Developed a comprehensive curriculum of diverse subjects within software development.

JavaScriptJavaMicrosoft AccessMicrosoft PowerPoint CSSWeb DevelopmentHTML5Front-end Back-end HTMLTeachingCode ReviewSource Code Review Interviewing Technical Hiring

Showcase

Animal Adoption Application
  • Develops an app for animal sponsorship through a fixed monthly payment.

  • Provides regular updates and news about sponsored animals via mail and email.

  • Implemented as a Progressive Web App (PWA) using Vue and AWS Amplify.

EventManager
  • Develops a web application for managing events hosted by a customer.

  • Allows users to organize guests and events, and send out invitations.

  • Provides a guest interface for accepting or declining invitations.

Warehouse Management System
  • Developed a warehouse management system for pharmacies.

  • The system provides a centralized overview of medication and ingredient inventory.

  • Implemented using Laravel, MySQL, and j|Query.

GIS Analysis Software
  • Developed a production site analysis software for doctors.

  • The software allows doctors to visualize population density and other details of nearby residents.

  • The front-end is built with Vue.js, and the back-end is hosted on an EC2 instance using Node.js.

Questionnaire Management System
  • A system for creating and managing questionnaires.

  • The application allows users to view results and key figures.

  • Responsibilities included planning and development of the application.

Children Sponsorship
  • An NGO needs an application to connect donors with children in need.

  • The application allows donors to sponsor children and receive updates.

  • The developer team was responsible for building and managing the platform.

Education

AWS Certified Cloud Practitioner
AWS Certified Cloud Practitioner
Amazon Web Services
2021 - Present (4 years)
AWS Partner: Cloud Economics Accreditation
AWS Partner: Cloud Economics Accreditation
Amazon Web Services
2021 - 2021
AWS Partner: Accreditation (Technical)
AWS Partner: Accreditation (Technical)
Amazon Web Services
2021 - 2021
Bachelor's Degree
Bachelor's Degree
Technische Universität Wien
2011 - 2016 (5 years)