Summary
Overview
Work History
Education
Skills
Projects
Professional Development Certifications
Timeline
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Bitan Biswas

Bitan Biswas

Bengaluru

Summary

Dynamic software developer with experience at PwC India, specialising in real-time systems and API design. Achieved a 25% reduction in order processing time through innovative solutions. Proficient in Java and Agile methodologies, with a strong focus on collaboration and delivering impactful results in high-pressure environments.

Overview

4
4
years of professional experience

Work History

Associate (Software Developer)

PwC India
Bengaluru
08.2023 - Current
  • Architected and developed a real-time B2B pricing engine, processing thousands of transactions daily and reducing order processing time by 25% for enterprise clients.
  • Engineered a high-throughput workflow automation system using Apache Kafka, streamlining approval flows across 10+ interconnected pricing workflows and enhancing operational stability.
  • Designed and integrated over 15 secure REST APIs for real-time pricing and data ingestion, which reduced ETL overhead by 10% and improved data consistency.
  • Improved code quality and application reliability by writing comprehensive unit and integration tests with Spock, achieving 85% code coverage for critical modules.

BIPOC NLP Scholar Apprentice

Google Kaggle
12.2022 - 04.2023
  • Contributed to the NLP-profiler open-source package by enhancing grammar and spelling check accuracy with advanced fuzzy matching algorithms.
  • Optimized the MLOps pipeline using GitHub Actions for CI/CD, which reduced external library dependencies and improved package runtime by 8%.
  • Collaborated with a global team of developers, participating in code reviews and agile sprints to deliver new features for the open-source community.

Research Assistant

Cardiff University
Wales
09.2021 - 11.2022
  • Developed a novel 'Late Fusion' deep learning architecture to predict voting patterns by analyzing hyperspectral satellite imagery from Landsat and Sentinel.
  • Utilized Transformers and state-of-the-art CNN models with Python and TensorFlow, processing geospatial data via the Google Earth Engine platform.
  • Authored and submitted research findings for publication to CVPR 2023, a premier conference in computer vision.

Education

MSc - Computer Science (Hons)

St. Xavier's College
Kolkata, India
08.2023

BSc - Computer Science (Hons)

St. Xavier's College
Kolkata, India
10.2020

Skills

  • Java
  • Python
  • SQL
  • JavaScript
  • Groovy
  • Spring Boot
  • Microservices
  • Restful APIs
  • API design
  • JPA/Hibernate
  • Apache Kafka
  • Natural language processing (NLP)
  • Machine learning
  • MLOps
  • Pandas
  • NumPy
  • Scikit-learn
  • PyTorch
  • TensorFlow
  • Hugging Face
  • CI/CD
  • Docker
  • Kubernetes
  • Azure DevOps
  • Git
  • GitHub
  • Maven
  • Gradle
  • MySQL
  • PostgreSQL
  • Redis
  • Agile/Scrum
  • Test-driven development (TDD)
  • JUnit
  • Mockito
  • Spock

Projects

1. Food delivery app (Airtribe Capstone Project): Tech stack: Java, Spring Boot, Microservices, Spring Security, Docker, MySQL

Engineered a scalable application based on a microservices architecture for restaurant management and real-time order tracking, implemented JWT-based authentication, and role-based access control using Spring Security to secure all REST API endpoints

2. Depression detection on social media: tech stack: Python, LLMs, Hugging Face, explainable AI

Developed a deep learning model for natural language processing (NLP) to identify patterns of depression from text, leveraging Hugging Face transformers, and applied explainable AI (XAI) techniques using LIME and BertViz to provide model explainability and interpret predictions through visualizations

Professional Development Certifications

Backend Engineering Launchpad (Java Track), 2024, Airtribe, Bengaluru, Karnataka, Remote, Completed an intensive, 24-week program on building production-ready backend systems using Java and Spring Boot.

Timeline

Associate (Software Developer)

PwC India
08.2023 - Current

BIPOC NLP Scholar Apprentice

Google Kaggle
12.2022 - 04.2023

Research Assistant

Cardiff University
09.2021 - 11.2022

MSc - Computer Science (Hons)

St. Xavier's College

BSc - Computer Science (Hons)

St. Xavier's College

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Bitan Biswas