Full-Stack Developer

Crafting modern digital experiences

I build scalable applications with Java, Spring Boot, React, and cloud technologies, focusing on clean architecture and exceptional user experience.

Tech Stack:

JavaSpring BootC# / CSOMPowerShellNode.jsExpressMySQLMongoDBReactTypeScript
Devansh Kumar
Professional

Development
Experience

Education

B.Sc. Informatik

FH Frankfurt

Note: 1.6

03/2021 – 04/2025

Pursuing a Bachelor's degree in Computer Science with focus on software development and system architecture.

B.Sc. Informatik (Überbrückungssemester)

FH Darmstadt

10/2020 – 02/2021

Completed a bridging semester in Computer Science to prepare for full degree program.

Studienkolleg (T-Kurs)

FH Anhalt, Köthen

08/2019 – 07/2020

Completed technical preparatory course for international students focusing on mathematics, physics, and computer science.

Sprachschule

F+U Academy of Languages, Heidelberg

01/2019 – 07/2019

Intensive German language program achieving C1 proficiency level.

Technical Expertise

A snapshot of my daily toolbox

Backend

JavaSpring BootSpring SecurityJPAJUnitC# (.NET)Python (FastAPI)Node.jsExpress.jsJakarta EE

Frontend

ReactReact RouterRedux ToolkitTypeScriptJavaScriptHTMLCSSTailwind CSS

Databases

MySQLPostgreSQLMongoDBRedisSQLite

Development & Test

REST APISwagger/OpenAPIPostmanUnit TestingCI/CDGitHub Actions

Tools

GitJiraAgile-ScrumMS OfficeVisual StudioCursorClaudeIntelliJPyCharm

Languages

Deutsch – C1Englisch – C1

KFW

Software EngineerInternWorking Student
08/2023 – 07/2024
  • Collaborated closely with business units to gather requirements and translate them into technical solutions.
  • Designed and developed a complete REST API in C# with secure JWT authentication, implementing full CRUD operations and optimizing the service layer for higher performance.
  • Leveraged asynchrony and paging to improve performance with large datasets.
  • Built PowerShell scripts to automate SharePoint processes and file operations (e.g., data synchronization, data encryption).
  • Fixed frontend bugs in React + TypeScript and wrote unit tests to ensure functionality.
  • Conducted code reviews to ensure code quality and adherence to best practices.
  • Created and executed test cases in HP-ALM to ensure quality of new features during release preparations.
  • Documented architecture and testing processes to ensure transparency, traceability, and release quality.

Tools

PowerShellC#.NETREST APIJWTReact.jsTypeScriptSwaggerPostmanHP ALMJiraConfluenceGitScrum

TCS - Tata Consultancy Services

Desktop AdministratorWorking Student
12/2022 – 06/2023
  • Installed, configured, and maintained hardware and software components, including operating systems, networks, and peripherals.
  • Diagnosed and resolved technical issues and handled support requests.
  • Provided technical support and consulting to employees on IT-related questions.

Tools

PythonPowerShellWindowsLinuxHardware/Software InstallationTroubleshooting