Pratyay Das
Kolkata
Summary
Dynamic AWS Developer with a proven track record at IBM, specializing in cloud-native applications and CI/CD pipelines. Expert in AWS Lambda and API development. Excel excel in mentoring teams and enhancing application performance. Committed to delivering scalable solutions while implementing robust security measures in cloud environments.
Overview
11
11
years of professional experience
Work History
AWS Developer
IBM
Kolkata
12.2021 - Current
- Designed scalable, reliable systems to support business needs.
- Building omni-channel cloud contact center using Amazon Connect and other AWS services
- Design IVR Flows(i.e. Contact Flows in Amazon Connect)
- Hands on experience on NLP Bot(AWS LexBot) Development, Writing Serverless functions(ie. Lambda function)
- Experience on writing Glue Job to aggregate JSON formatted ContactTraceRecords and ContactLens data into Parquet data.
- Validated project concepts through proof of concepts to ensure readiness for development.
- Guided junior teammates in refining their development practices for better outcomes.
- SonarQube integration in CI/CD pipeline to ensure quality of code.
- Closely work with architects and help them to identify the appropriate resources for their solutions
- Developed cloud-based applications using AWS services and tools.
- Collaborated with cross-functional teams to enhance application performance.
- Implemented security measures to protect data in cloud environments.
- Managed deployment processes for AWS resources and services.
- Automated operational tasks using scripting languages and AWS tools.
- Provided technical guidance to junior developers on AWS best practices.
- Conducted code reviews to ensure quality and adherence to standards.
- Developed cloud-native applications using AWS services such as Lambda, S3, CloudFormation, and API Gateway to meet business requirements.
- Worked closely with DevOps teams for continuous integration and delivery of software products using Terraform.
Software Engineer
Nomura Research Institute Financial Technologies India Pvt Ltd
05.2020 - 12.2021
- Maintained documentation and trained new team members on framework functionality and usage.
- Tuned performance of existing batch processes to enhance efficiency.
- Eliminated security threats from applications by implementing best practices.
- Developed software solutions for financial services using agile methodologies.
- Implemented robust testing strategies to ensure software reliability and performance.
- Mentored junior engineers in coding standards and best practices.
- Participated in code reviews to maintain high-quality coding standards across projects.
- Developed, tested, debugged and documented software programs using Java, JavaScript and HTML and CSS.
- Coordinated with quality assurance teams to verify software compliance with testing criteria.
- Utilized Agile methodologies to effectively manage project timelines and deliverables.
- Optimized existing software systems for improved performance and scalability.
Technology Analyst
Infosys Ltd
02.2019 - 05.2020
- Understand the business requirements from the client.
- Prepare the estimates for various phases of testing (i.e.) Initiation, Study & Test Execution.
- Investigation of problems, including design, code, test and implementation of fixes
- develop insurance application using ECMAScript
Senior Programmer
Dibwas Websoft Technologies LLP
10.2015 - 01.2019
- Understand the client requirement and raise separate development issues for each functionality
- Develop web application, Rest Api using Java and Node.js
- Implemented android mobile app to get detailed info and purchase products seamlessly from store
- Fix the reported bug
Education
Bachelor of Technology - Computer Science and Engineering
Adamas Institute of Technology
IN06-2014
Skills
- AWS Lambda
- Cloud platforms
- Infrastructure as code
- CI/CD pipelines
- API development
- API orchestration
- Container orchestration
- DevOps collaboration
- Python, Java, and JavaScript programming
- SQL and noSQL databases
- Machine learning deployment
Languages
English, Hindi, Bengali
Digital Credentials
- AWS Certified Cloud Practitioner
- IBM Generative & Agentic AI Expert - Developer
- 2025 IBMer watsonx Challenge
- Architectural Thinking
- Watsonx.ai Technical Sales Intermediate
- AWS Partner: Generative AI Essentials
- Banking Industry Jumpstart
- Big Data Foundations - Level 1
- Python for Data Science
Timeline
AWS Developer
IBM
12.2021 - Current
Software Engineer
Nomura Research Institute Financial Technologies India Pvt Ltd
05.2020 - 12.2021
Technology Analyst
Infosys Ltd
02.2019 - 05.2020
Senior Programmer
Dibwas Websoft Technologies LLP
10.2015 - 01.2019
Bachelor of Technology - Computer Science and Engineering
Adamas Institute of Technology