Keying Wu

Freelance Fullstack Developer

Avatar placeholder
Frankfurt am Main, Germany

Experience

Feb 2023 - Present
2 years 11 months
Frankfurt, Germany

Freelance Fullstack Developer

Helaba Invest

  • ChatGPT-like AI chatbot with file upload and interaction capabilities, hosted on Azure in Europe to ensure compliance with corporate data privacy regulations
  • AI-powered legal document processing solution for automating the extraction of tax-related data from complex legal documents, enhancing accuracy of tax liability identification, reducing processing time, and mitigating risk of non-compliance
  • Asset Manager Service portal (AMS) developed using Angular, Python, Docker, and Oracle DB, serving as a pivotal data catalog to enhance data retrieval efficiency and accuracy
  • Dynamics 365 Azure integration via custom Azure Functions plugins to align CRM capabilities with unique requirements of an investment institute
Jan 2022 - Sep 2022
9 months
Munich, Germany

Lead Fullstack Developer

UniCredit Group

  • Led the project team to develop an investment platform for structured products using Java and C#.NET
  • Automated regression tests by integrating a Jenkins CI/CD pipeline, reducing execution time by 50%
  • Migrated and rewrote the UI of the issuance platform using Angular and WPF, reimplemented a front-end framework, and maintained a reusable component set
Dec 2019 - Dec 2021
2 years 1 month
Munich, Germany

Senior Fullstack Developer

UniCredit Group

  • Developed an issuance platform for structured products using C# .NET, Java, Oracle Database, and Angular, issuing 200 million derivative products and executing one million workflow actions daily
  • Coordinated sprints, retrospective meetings, and daily stand-ups
  • Communicated with business stakeholders to identify high-level and detailed requirements
  • Optimized the workflow engine to execute over one million actions daily
Apr 2019 - Nov 2019
8 months
Munich, Germany

Quantitative Business Analyst

DevNet GmbH

  • Created, analyzed, and validated business requirements, translating them into detailed functional requirements and user stories, and defining acceptance criteria and test cases
  • Developed complex advancement reports using PL/SQL for trading and sales departments in investment banking
  • Optimized release and regression tests based on new features of trading and sales applications
Jul 2016 - Mar 2019
2 years 9 months
Munich, Germany

Software Engineer

EVA Fahrzeugtechnik GmbH

  • Developed dynamic simulation and lifetime estimation tools for high-voltage batteries using MATLAB and Python, leveraging physics-based models and building a comprehensive lithium-ion battery model with Dymola
  • Automated battery simulation processes and parameter creation using Python multiprocessing pool
  • Streamlined data management by automating data export and visualization in Excel using VBA

Summary

Keying is a seasoned full stack developer focused on business outcomes, along with having a solid engineering background. With hands-on experience in all stages of software development, she is a life-long learner, a completionist, and a problem solver. Keying's expertise lies in building MVPs, web apps, enterprise software, web crawlers and REST APIs.

Skills

  • E L Ovenn § Uum J Sre § Ac | Svguir X Coner X Otnon L S J E ] Oo

Languages

German
Native
Chinese
Native
English
Advanced

Education

Sep 2013 - Feb 2016

TU Braunschweig

Master of Science · Automobile Engineering · Braunschweig, Germany · GPA 4.3/5

Sep 2009 - Aug 2013

Tongji University

Bachelor of Science · Automobile Engineering · Shanghai, China · GPA 4.43/5

Certifications & licenses

CFA Charterholder

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Hüseyin Korkut
Hüseyin Korkut

Senior Full-Stack Engineer

View Profile
Ronald Foerster
Ronald Foerster

IT Consultant & Continuing Education

View Profile
Julien Look
Julien Look

MLOps Engineer

View Profile
Kai Kramer
Kai Kramer

Chatbots for Tax and Legal Texts

View Profile
Niklas Witzel
Niklas Witzel

IT Consultant

View Profile
Thomas Hoefkens
Thomas Hoefkens

Senior MLOps, DevOps Engineer

View Profile
Christian Worsch
Christian Worsch

Senior Full-Stack Developer

View Profile
Rainer Koloc
Rainer Koloc

Course “Data and AI Analyst”

View Profile
Eduard Van kleef
Eduard Van kleef

Workshop Leader 'Introduction to AI Development Tools'

View Profile
Jonathan Staude
Jonathan Staude

AI Consultant

View Profile
Tobias Oberrauch
Tobias Oberrauch

Python Developer

View Profile
Patrik Garten
Patrik Garten

Technical Lead Conversational AI

View Profile
Manuel Kulisch
Manuel Kulisch

Product Owner (Freelancer) - Intelligent Personal Assistant

View Profile
Anton Klonov
Anton Klonov

Head of Technical Overall Integration NSC / Hadoop Cloud Development

View Profile
Jens Rehsack
Jens Rehsack

Technical Product Owner

View Profile
Tobias Waggoner
Tobias Waggoner

Lead Architect / Senior Developer

View Profile
Yannick Schuchmann
Yannick Schuchmann

Freelance IT Consultant/Advisor

View Profile
Cedric Oettel
Cedric Oettel

Development

View Profile
Tungi Dang
Tungi Dang

Technical PMO | Delivery Master | LLM-Expert

View Profile
Jürgen Fey
Jürgen Fey

AR/VR/XR Architect

View Profile
Heiko Huvermann
Heiko Huvermann

Fullstack Developer / Architect

View Profile
Filipp Trigub
Filipp Trigub

Multi-chain LLM copilot for academic teaching and studying

View Profile
Fadi Shoaa
Fadi Shoaa

Document parser for picking lists (PDF & PNG)

View Profile
Stephan Martin
Stephan Martin

Sabbatical, professional development

View Profile
Marcus Denison
Marcus Denison

AI Platform Engineer

View Profile
Martin Musiol
Martin Musiol

Product Owner AI Learning Platform

View Profile
Robert Komorowsky
Robert Komorowsky

IT Consultant

View Profile
Andreas Kraus
Andreas Kraus

Senior Developer

View Profile
Ignacio Merino arnaiz
Ignacio Merino arnaiz

Co-Founder

View Profile
Kai Schmudlach
Kai Schmudlach

Software Developer

View Profile