Nils Schneider
Backend system for a social media platform
Experience
Apr 2024 - Present
1 year 4 monthsBackend system for a social media platform
- Technologies: Golang, Postgres, Git, software architecture, technical concepts
- This platform connects people with the same or similar interests and helps build connections.
- Similar interests are determined through profile settings and personal information.
- Content is shared and filtered and prioritized by personally more popular categories.
- Users can message each other and communicate directly.
- To implement this, a new backend was created in Golang.
- API key and JSON Web Tokens are used for authentication.
- Data storage is implemented with a SQL database.
- Uploaded files are stored on the file system and accessible via the API.
Feb 2024 - May 2024
4 monthsBackend system for institute for testing biological samples
- Technologies: Golang, Postgres, TypeScript, Git, software architecture, technical concepts
- A new backend in Golang was created to provide various types of biological sample kits, label them uniquely, group them by certain criteria, and then analyze them.
- API key and JSON Web Tokens were used for authentication.
- Data storage was implemented with a SQL database.
- Uploaded files are stored on the file system and accessible via the API.
Sep 2023 - Jan 2024
5 monthsBackend system for craftsmen order documentation
- Technologies: Golang, Postgres, Git, software architecture, technical concepts
- A new backend in Golang was created for order documentation of a craft business.
- API key and JSON Web Tokens are used for authentication.
- Data storage is implemented with a SQL database.
- Files generated by the backend are stored on the file system and accessible via the API.
Apr 2023 - Sep 2023
6 monthsBackend system for advertising technology order processing
- Technologies: Golang, Postgres, TypeScript, software architecture, technical concepts
- A new backend in Golang was set up for an advertising company.
- It is secured with API key and JSON Web Tokens.
- Various data and files can be uploaded to track the order process.
- Data is stored in a PostgreSQL database.
- Uploaded and system-generated files are stored on the file system and can be accessed via the API.
Mar 2023 - Feb 2024
1 yearSAP developer
- Technologies: CDS, OData via SAP Gateway Builder, ABAP / ABAP OO, SAP UI5
- Further development of a SAP UI5 application, including creating OData services, for a large retail company.
- Automated testing of the ABAP service code.
Feb 2023 - Oct 2023
9 monthsBackend system including app communication for bereaved relatives
- Technologies: JavaScript, TypeScript, Node.js, AWS, AWS CDK, Git, Docker, software architecture, technical concepts, MongoDB
- A new backend API was set up in Node.js for an app to communicate with bereaved relatives.
- The API is secured with API key and JSON Web Tokens for authentication.
- Data is stored in a MongoDB.
- The API is deployed in a Docker container in a scalable AWS environment.
- Adjustments and redeployment of the AWS environment are easy with AWS CDK.
Sep 2022 - Jun 2023
10 monthsFront and backend for access/authorization management of parking facilities
- Technologies: PHP, Laravel, Lumen, HTML, CSS, MySQL, Azure DevOps, Docker, Git, software architecture, technical concepts
- An existing Lumen API for access and authorization management of parking garages was migrated to Laravel.
- During the migration, the system was maintained and bugs were fixed.
- Data is stored in a MySQL database.
- The existing web frontend, developed in PHP, was also maintained and optimized.
- For clearer and more consistent code, HTML styles were divided into classes and defined in CSS files.
- New modules, frontend views, and backend functions were implemented.
Apr 2022 - Nov 2022
8 monthsVarious websites for municipal institutions including app communication
- Technologies: WordPress, plugin development, PHP, JSON
- New WordPress installations were set up, along with maintenance and customizations.
- Plugins for the WordPress sites were developed in PHP.
Mar 2022 - May 2022
3 monthsApplication for generating and validating JWT with various encryptions
- Technologies: Golang, JWT, Git, software architecture, technical concepts
- A command-line tool was newly set up.
- This tool creates and validates JSON Web Tokens with various encryptions based on input.
- Output also takes place in the command-line tool.
Jan 2016 - Apr 2023
6 years 4 monthsManagement system for electronic locking systems including app communication
- Technologies: Golang, Postgres, Git, Jira, Confluence, JSON, YAML, OpenAPI, TypeScript, JWT, software architecture, technical concepts
- A new backend API in Golang was created for managing electronic locking systems in a cloud environment.
- My tasks included designing, developing, and implementing functions to ensure smooth data flow between frontend, backend, and database.
- API key and JSON Web Tokens were implemented for authentication and authorization.
- PostgreSQL was used as the database system.
Aug 2016 - Apr 2023
6 years 9 monthsDevelopment and maintenance of internal production and service tools
- Technologies: Delphi, Firebird, SQL, DevExpress, GUI, Git, Tortoise SVN, direct contact and constant exchange with manufacturing and service, software architecture, technical concepts
- As a career changer into software development, I initially maintained existing production and service tools developed in Delphi with Firebird SQL databases.
- This included analyzing and fixing reported errors, as well as extending existing and implementing smaller new functions.
- DevExpress played a key role in GUI design.
- As I gained knowledge, my role expanded to adding new forms and modules, and eventually to fully designing, planning, and setting up new tools.
Languages
German
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