Preethi Sivakumar

Heidelberg, Germany

Fähigkeiten und Kenntnisse

AngularJS
Agile Methodologies
Banking
Docker
Amazon Web Services (AWS)
BM25
Hugging Face
Angular 4
English
Cascading Style Sheets (CSS)
Angular 6
Java
FAISS
Computer Science
Large Language Models (LLM)
Angular Material
java 8
FastAPI
Core Java
Linux
Java Applets
Flask
Customer Service
Maven
Java Database Connectivity (JDBC)
Cybersecurity
Gemini API
MySQL
Java Swing
Git
Node.js
Data Analysis
JavaFX
GitHub
Django REST Framework
Object-Oriented Programming (OOP)
JavaScript
HTML
OpenAI API
PostgreSQL
Jinja
Spring Framework
HTML5
Oracle Database
Primeng
LangChain
SQL
Performance Management
Project Delivery
SQLAlchemy
PL/SQL
Prompt Engineering
SQLIT
Python (Programming Language)
SQLite
PyTorch
Threads
RAG Rechecker
TypeScript
Retrieval-Augmented Generation (RAG)
Web Development
Software Development
Web Scraping
Spring Boot
Web Services

Werdegang

Berufserfahrung von Preethi Sivakumar

  • Current 1 year, since Jul 2025

    Working Student - Backend and AI

    AICU

    Designed and implemented RESTful APIs using Python (Django REST Framework) and PostgreSQL for cloud-native data platform, serving 1000+ daily requests Containerized backend applications with Docker and deployed to AWS S3, reducing infrastructure costs by 90% and improving deployment reliability Built scalable backend services with automated CI/CD pipelines, enabling continuous integration and faster feature delivery Applied database schema design best practices for efficient data modeling and query optim

  • 1 year and 10 months, Oct 2021 - Jul 2023

    Staff Consultant

    ORACLE FINANCIAL SERVICES SOFTWARE LIMITED

    Developed and maintained a high-frequency, Java-based switch interface supporting millions of daily MTAs (Money Transfer Applications) transactions, ensuring secure and reliable real-time processing. Engineered custom socket connections (PCT/IP) and implemented an “empty socket echo” strategy to reduce transaction mismatches and connection issues. Led the deployment of the first production release, reducing error rates by 25% compared to pre-production benchmarks and decreasing session failures by 85%.

  • 5 years and 9 months, Jan 2016 - Sep 2021

    Software Developer

    Wipro Technologies

    Developed robust Java EE and Servlets-based web applications supporting real-time network operations, including telecom provisioning, performance monitoring, and alarm management. Built automated test suites using Rational Functional Tester (RFT), achieving 95%+ test coverage, significantly improving product quality and stability across releases. Promoted to team lead after 3.5 years; led a 4-member team in modernizing a legacy UI using Angular 8, Angular Material, and PrimeNG, boosting maintainability

Ausbildung von Preethi Sivakumar

  • 1 month, Jul 2024 - Jul 2024

    Orientation Course

    Masterschool

  • 3 years and 10 months, Aug 2012 - May 2016

    Bachelor of Engineering - BE

    Anna University

Sprachen

  • English

    C1 (Fließend)

  • German

    B1-B2 (Gute Kenntnisse)

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