Rajib Hasen Raju

Hamburg, Germany
hello@raju.app | +49 178 6313405
raju.app | linkedin.com/in/rajibhasenraju

Summary

Information Engineering student with practical experience in system administration, Payload CMS, WordPress development, and self-hosted AI tools. Familiar with Next.js, React, TypeScript, Docker, Microsoft Entra ID, cloud infrastructure, and API integrations. Seeking a working-student position in web development, IT, or system administration.

Experience

Working Student - IT Content Management

Contabo GmbH | Munich, Germany
January 2026 - April 2026

• Migrated and structured content in Payload CMS using reusable content models and accurate data mapping.
• Validated content, metadata, media assets, and field configurations to ensure quality and consistency.
• Identified and corrected formatting, validation, and media-related issues before deployment.
• Collaborated with developers to troubleshoot CMS integration and deployment issues.
• Documented migration and quality-assurance processes to support reliable content workflows.

Projects

Personal Portfolio Website

raju.app | 2026

• Built a portfolio platform with Next.js and Payload CMS to present professional experience, technical skills, and selected projects.
• Used MongoDB for application data, containerized the stack with Docker, and deployed it to a VPS through Coolify.
• Configured Cloudflare R2 for media storage and delivery.
• Implemented an AI-powered chat assistant using the OpenAI API and Pinecone for contextual portfolio-related responses.

Multilingual Travel Website

WordPress client project | 2026

• Built and customized a multilingual website for tours, destinations, booking information, and customer enquiries.
• Improved responsive presentation and usability, applied on-page SEO, optimized images, and integrated WhatsApp-based customer communication.
• Managed content updates, testing, technical adjustments, language consistency, and final client handover.

Self-Hosted AI Assistant

OpenClaw personal project | 2026

• Deployed OpenClaw on a VPS and connected WhatsApp, Discord, and Telegram channels.
• Integrated OpenRouter and Ollama for cloud-based and locally hosted AI models.
• Diagnosed configuration, networking, authentication, and service issues through logs and command-line tools.
• Managed Docker deployment, API credentials, environment variables, application settings, and access permissions.

Skills

• Frontend: React, Next.js, TypeScript, JavaScript, HTML, CSS
• Backend and programming: Node.js, NestJS, Python, Java, SQL, C, C++
• CMS and content: Payload CMS, WordPress, headless CMS, content modelling, content migration, multilingual content
• Databases: MongoDB, PostgreSQL, Pinecone
• System administration: Microsoft Entra ID, identity and access management, Linux fundamentals, user administration, troubleshooting
• Cloud and deployment: Docker, Coolify, DigitalOcean, Cloudflare, Cloudflare R2, Vercel, AWS, Azure, Firebase
• AI and integrations: OpenClaw, OpenAI API, OpenRouter, Ollama, REST APIs, Claude Code, Codex
• Development tools: Git, GitHub, Bash, VS Code, Antigravity, Microsoft 365

Education

Bachelor of Science in Information Engineering

Hamburg University of Applied Sciences HAW Hamburg | Hamburg, Germany
October 2026 - Expected March 2030

Bachelor of Science in Computer Science and Artificial Intelligence

Technische Hochschule Ingolstadt | Ingolstadt, Germany
October 2023 - September 2026

Transferred to HAW Hamburg to continue undergraduate studies in Information Engineering.

Languages

• Bangla: Native
• English: C1 - Advanced
• German: A2 - Elementary

Certifications

• Career Essentials in System Administration - Microsoft and LinkedIn
• Operating Systems Basics - Cisco Networking Academy
• Crash Course on Python - Google, Coursera
• Python for Data Science, AI and Development - IBM, Coursera
• Introduction to Cybersecurity Tools and Cyber Attacks - IBM, Coursera

Leadership and Activities

• Campus Ambassador: National STEAM Olympiad (April 2023 - July 2024)
• Volunteer: Red Crescent Youth, BDRCS National Headquarters (December 2022 - June 2024)
• Aspire Leaders Program: Aspire Institute (March 2023 - October 2023)