Tushar Chattopadhyay

Backend Engineer

Bengaluru, Karnataka, India1 yr 8 mos experience

Key Highlights

  • Engineered algorithms reducing fraud incidence by 5%.
  • Integrated APIs driving ₹10 crore in loan disbursements.
  • Ranked 323 out of 10,000+ in CodeHaven coding contest.
Stackforce AI infers this person is a Backend Engineer with strong expertise in Fintech and IoT data management.

Contact

Skills

Core Skills

Backend DevelopmentApi IntegrationFraud DetectionWorkflow AutomationFull Stack DevelopmentAwsMobile Application DevelopmentIot Data Management

Other Skills

JavaSpring BootPythonGitFront-End DevelopmentInternet of Things (IoT)ThingsboardIoTNext.jsGraphsConsole GamesCollision DetectionRandomizationSoliditySmart Contracts

About

I am a Computer Science graduate from BITS Pilani, currently contributing as a Software Development Engineer at Freo. In this role, I specialize in backend development for the Freopay platform, where I Developed- MockServers to simulate KYC and payment gateway responses, reducing testing costs. - Integrated payment gateways like Digilocker and Razorpay, enhancing automated test reliability. - Engineered fuzzy string matching algorithms using Apache Commons Text, reducing fraud incidence by 5%. - Integrated Komac lending APIs, driving a ₹10 crore increase in loan disbursements. - Automated workflows with Python scripts, managing Amazon SQS queues to optimize data flow and system integration. Previously, as a Software Development Engineer Intern at the Quality Council of India, I - Resolved critical bugs, improving navigation, file uploads, and password handling for seamless user experiences. - Implemented Redux for state management, achieving a 40% reduction in load times and a 25% increase in user engagement. - Enhanced security with Google reCAPTCHA and optimized API calls, reducing server load by 90%. - Designed and developed the Image-repo mobile app, managing over 20,000 monthly uploads with AWS S3 and EC2. At Weswap Mobility Solutions, I - Designed efficient data pipelines using the Thingsboard IoT platform. - Developed a real-time data filtering system, reducing storage needs by 40%. These experiences have sharpened my expertise in: Programming Languages: C, C++, Java, Python, JavaScript, TypeScript, Go Frameworks: React.js, Redux, Spring Boot, Flask, Express.js Tools/Platforms: AWS (S3, Lambda, EC2), Docker, Kubernetes, Git, Jenkins, Postman Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB Processes: CI/CD pipelines, RESTful APIs, microservices architecture, DevOps workflows I am also an avid competitive programmer, having solved over 700 DSA problems on platforms like LeetCode and Codeforces. I ranked 323 out of 10,000+ participants in CodeHaven, Central India’s largest coding contest, and was honored with the Prime Minister’s Trophy-Sarvottam Scholarship by SAIL for academic excellence. I am passionate about building scalable, high-performance systems and thrive in collaborative environments where I can drive innovation, deliver impactful solutions, and continuously learn and grow.

Experience

Freo

Software Development Engineer | Backend Development, API Integration

Jul 2024Present · 1 yr 8 mos · Bengaluru, Karnataka, India · On-site

  • Designed and developed a MockServer to simulate KYC and payment gateway responses for HyperVerge, DigiLocker, and Razorpay APIs, reducing testing costs by eliminating the dependency on live API calls.
  • Implemented fuzzy string matching using Apache Commons Text to compute the similarity between customer names from banks and those in the database, enhancing fraud detection and improving identity verification by 5%.
  • Integrated Komac lending APIs into the Freopay platform, driving a ₹10 crore increase in loan disbursements.
  • Automated data processing with Python scripts, generating SQL queries from CSV files and managing Amazon SQS queue messages for transaction handling, optimizing data flow and improving system integration.
JavaSpring BootBackend DevelopmentAPI Integration

Quality council of india(qci)

Software Engineer Intern | Full Stack Development, AWS, State Management

Jan 2024Dec 2024 · 11 mos · Delhi, India · On-site

  • During my internship at the Quality Council of India, I significantly enhanced application workflows and strengthened system reliability through impactful full-stack development:
  • Resolved critical bugs affecting navigation, PDF uploads, and password modals, leading to a seamless user experience.
  • Implemented Redux for state management, achieving a 40% reduction in load times and a 25% increase in user engagement by optimizing application state and data flow.
  • Enhanced website security by integrating Google reCAPTCHA, preventing bot submissions, and optimized RESTful API calls, reducing server load and response times by 90%.
  • Designed and developed the Image-repo mobile application, utilizing AWS services like S3 and EC2 to handle over 20,000 monthly image uploads, implementing user-specific functionalities to enhance usability and performance.
  • Resolved critical AWS issues across three projects, including increasing S3 bucket volumes and reconfiguring database connections to meet growing data demands, ensuring seamless functionality with minimal downtime.
  • This internship sharpened my expertise in AWS, state management, API optimization, and mobile application development, while reinforcing my ability to work collaboratively in dynamic, fast-paced environments to deliver impactful solutions.
GitFront-End DevelopmentFull Stack DevelopmentAWS

Weswap mobility solutions private limited

Software Engineer Intern | IoT Data Pipelines, Thingsboard, Data Storage Optimization

May 2022Jul 2022 · 2 mos · Indore, Madhya Pradesh, India · Remote

  • During my internship at Weswap Mobility Solutions, I contributed to the design and implementation of efficient IoT data management systems:
  • Collaborated with a team of five to design and implement data pipelines using Rule Chains and Data Converters on the Thingsboard IoT platform.
  • Spearheaded the development of a real-time data filtering and storage optimization system, reducing data storage requirements for incoming telemetry data by 40%, thereby enhancing scalability and system performance.
  • Optimized IoT telemetry data pipelines for better resource utilization, ensuring reliable and streamlined operations across the platform.
Internet of Things (IoT)ThingsboardIoT Data Management

Education

BITS Pilani, Hyderabad Campus

Bachelor of Engineering - BE — Computer Science

Jan 2020Jan 2024

Sri Sankara Vidyala Sector-10

Senior Secondary Education (12th)

Jan 2018Jan 2020

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