Clarissa Rรถder

software engineer

๐Ÿ’ผ Experience

CERN (European Organisation for Nuclear Research)

Software Engineer

Apr 2025 - present

  • Developed and maintained full-stack applications for CERN's Product Lifecycle Management (PLM) platform, supporting over 5,000 engineers and technicians managing design data and technical documentation for the accelerator complex
  • Took primary responsibility for implementing the opening feature of the Emergency Open and Save initiative, delivering critical functionality under tight deadlines for high-priority engineering operations
  • Built the Change Authoring Tool feature, enabling users to switch the CAD authoring tool of documents with automatic versioning and native file handling, implementing both the React/TypeScript UI and C# Aras backend
  • Configured and enhanced the EBOM Export feature, adding profile card access and fixing calculation bugs including incorrect total quantities across nested BOMs
  • Led the React 19 upgrade, managing dependencies and ensuring application stability
  • Contributed to release management, coordinating deployments, tracking merge requests, and managing the testing process for production releases
  • Worked closely with business analysts to translate requirements into technical implementations
  • Participated in code reviews, testing, and system maintenance using daily standups and Kanban workflows

Aug 2024 - Dec 2024

  • Built a self-hosted error monitoring platform focused on ease-of-use and data ownership, offering SDKs for seamless integration across four platforms
  • Engineered a scalable AWS cloud architecture leveraging API Gateway, SQS, Lambda, RDS, EC2, S3, and SNS
  • Streamlined infrastructure deployment with Terraform, abstracting the creation of 60+ AWS resources into 5 steps
  • Designed and implemented a RESTful API using Flask and Docker, with a React/Chakra UI dashboard featuring advanced filtering and interactive stack trace views
  • Implemented secure source map management, automated stack trace unminification, and near real-time alerts using SNS and WebSockets
  • Collaborated remotely with a global team of engineers across three time zones using agile workflows and Git best practices

Projects

  • ๐ŸŽ„ Advent of Code : Solved 100+ complex algorithm challenges, enhancing problem-solving and coding proficiency
  • RequestHub: Built a webhook inspection and debugging tool using React, Express, Node.js, MongoDB, PostgreSQL, WebSockets, NGINX, and DigitalOcean
  • QuickSplit: Developed a shared expense tracking application using Ruby, ERB, and Sinatra
  • Margit Lisa Photography: Developed a responsive Next.js website to showcase high-resolution fine art photography

๐Ÿ‘ฉโ€๐Ÿ’ป Skills

Languages & Frameworks
JavaScript, TypeScript, C#/.NET, Python, Ruby, SQL, React, Express, Flask, Next.js, Three.js, Electron
Cloud & Infrastructure
AWS (EC2, Lambda, API Gateway, S3, RDS, SQS, SNS), Terraform, Docker, DigitalOcean, Heroku
Other
PostgreSQL, MongoDB, SQL Server, Git/GitHub, REST, SOAP, WebSocket, SSE, Logstash, OpenSearch, NGINX, TensorFlow

๐ŸŽ“ Education

LaunchSchool

2023 - 2024

Multi-year, mastery-based software engineering curriculum. Read more at launchschool.com/employers
Goldsmiths, University of London

M.Sc. Forensic Psychology

2017 - 2018

With Merit
Maastricht University

B.Sc. Psychology

2014 - 2017

Honour's Programme, Cum Laude

๐Ÿ“š Certificates