Yudhistira Arief Wibowo

• Improved test generation time by 50% and coverage by 24% by automating test development using an agentic AI system.
  • TypeScript
  • LangChain
  • Langfuse
• Improved consistency and reduced manual mistakes in OpenAPI specification publishing by developing automation software with agent assistance in 2 weeks.
  • TypeScript
  • Bun
• Enabled secure access to administer applications via a secure HTTP REST API.
  • TypeScript
  • Terraform
  • Microsoft Entra ID
  • AWS Lambda
  • DynamoDB
  • API Gateway
• Developed automated end-to-end web authentication security testing, covering 14 attack patterns related to SAML and OIDC authentication.
  • Python
  • Playwright
  • Docker
• Reduced costs by 72% by creating an automated backup for log data from AWS CloudWatch to AWS S3.
  • Go
• Accelerated and improved design consistency across 4 projects by implementing a front-end UI component library, reducing code duplication by 90%.
  • TypeScript
  • Radix UI
  • Tailwind CSS
• Provided the support team with a front-end dashboard for various internal services, reducing time-to-diagnose incidents by 30%.
  • TypeScript
  • Figma
  • Next.js
• Reduced diagnosis time by 80% by creating a GitLab runner monitoring system.
  • TypeScript
  • AWS DynamoDB
• Cut incident detection time by 90% by developing a monitoring and alerting system.
  • TypeScript
  • AWS Lambda
  • CloudWatch
• Reduced latency by 8% and cost by 22% by migrating an application for employee account self-checkup to a serverless architecture.
  • TypeScript
  • AWS Lambda
  • DynamoDB
  • API Gateway
• Reduced ticket creation for first level support by 10% by developing a web application for employee account self-checkup.
  • Java
  • Spring Boot
  • HTML
  • Bootstrap CSS

• Designed a programming exercise for Zero-Knowledge Proof using the Noir programming language.
  • Noir
• Discussed zero-knowledge proof protocols such as zk-STARKs and zk-SNARKs.

• Taught Java programming to 15 students spanning basic syntax to advanced topics, including concurrency and reflection, over 4 months.
  • Java
• Checked and provided feedback for more than 100 programming exercise submissions from students' homework assignments.
• Reduced profile picture generation time by 90% by building a web application to generate customizable, uniform profile pictures for fellow tutors.

• Built a router that picks one model per agentic trajectory using expected input cost, cache-aware pricing, and common-support gates, with signed sticky routes that keep the shared-prefix cache.
• Won second place in the Viktor Challenge track at the EHL Hackathon.

• Built an agentic pipeline and dashboard that combines customer feedback, sales data, competitor specifications and market trends into quantified requirement candidates, with statistics computed in code, every claim cited to its source, and a human review gate for the product manager.

• Published an npm library providing typed, terminal-size-based responsive breakpoints for OpenTUI, with React and Solid adapters and a framework-neutral core entrypoint.

• Designed an agentic AI workflow to find the most optimal supplier using external data sources, with RAG grounding via Postgres pgVector for strong citation and low hallucination.

• Designed the overall architecture and implemented the back-end, including a multimodal prompt to determine name, type, amount, and expiry date from a photo.
• Won 2nd place at the Google Europe Ideathon 2024 and reached Top 100 Teams worldwide in the Google Developer Student Club Solution Challenge.

• Designed the website main page in Figma and the overall implementation.
• Reduced load time by implementing the website using Next.js Static Site Generation (SSG).
• Launched the new website.
• The professional design of the website attracted and received various commendations from sponsors.

• Built the front end and the web3 integration of a platform that lets users anonymously share sensitive information while keeping a reputation, using single-use wallets funded through a faucet.

• Implementing a zero-knowledge proof system for privacy-preserving remote attestation of a hardware root of trust.
• Intended to prevent device fingerprinting and protect device-owner information.
• Hardware targets: Intel TDX, AMD SEV-SNP, and TPM2.

Built and ran an automated Hyperledger Indy performance benchmark for a decentralized identity system using Ansible, then analyzed the results.

• Reduced cost by 100% (USD 348 annually) and increased website performance by 5% by migrating the organization's website to Next.js Static Site Generation.
• Reduced deployment time by 90% by introducing a CI/CD pipeline for website deployment using GitHub Actions.
• Organized the TUM Blockchain Conference 2025.
• Increased team productivity by migrating Google Cloud infrastructure management to Terraform.
• Increased security compliance by introducing workflow and guidelines for the infrastructure system.

• Hosted 4 educational events reaching 150 participants across topics including Machine Learning, UI/UX, and data science.
• Coordinated digital infrastructure serving 21 Indonesian Students' Associations from various countries by centralizing hosting and processes.
• Coordinated resolution of various technical issues for the website infrastructure of Indonesian Students' Associations from various countries.

• Organized the TUM Blockchain Conference 2024.
• Held a lecture about blockchain-based software security and cutting-edge blockchain technology.

• Reviewed program accountability of the organization.
• Hosted biannual evaluation sessions and shared the audit findings.
• Examined and assessed the financial statement of PPI Jerman.
• Fostered continuous communication with PPI Jerman branches in Germany.
• Acted as trusted consultants for PPI Jerman.

• Coordinated events for welcoming new Indonesian students in Munich in winter and summer semesters.
• Coordinated preparatory events for Studienkolleg selection test.
• Coordinated collaborative events and fostered connections with local organizations in Munich, other local Indonesian Students Association organizations in Germany, the Indonesian Student Association in Germany, the Indonesian consulate in Frankfurt, and the Indonesian Embassy in Berlin.