Software engineer, opensource . 💻💖☕

• 🤓 I'm Full Stack Developer
• 💬 Let's talk about Software Architecture, Java, Security, Development Patterns, Microservices .
• 🏆 Continuously learning how to make the tech better.
• Problem Solver
• Originally from India/Bangalore

• The role included design, test-driven development, deployment using Spring Boot Security, and post deployment monitoring.
• Integrated payment gateway, OpenSource (Collabora) for document editing via sockets, TUS.io library for chunking files, and Rocket-Chat API for chat features were all used.
• Upload and download files from an S3 bucket (MINIO) and produce thumbnail images with multiple dimensions using Image Processing.
• Developed more than 290 APIs for complete applications, as well as several Front End API integrations in Angular and Optimized several APIs that cause long response times.
• Ldap Auth and File versioning were added, among other modifications.
• Monitored with ELK log metrics after being deployed in Docker using CICD

• The role included design, development using Spring Boot Security , deployment in Docker.
• Used Open Source Camunda WorkFlow Engine for task management assign task to agents
• Microservice Communication Using OpenFeign for Calculating Scoring
• Used Kafka Message Broker for Async Communication .

• Worked on the Auth2, OIDC, and SAML2 protocols for integration with outside applications.
• This Authentication API handles more than 30k rpm and overrides custom authentication and custom multi-factor authentication for Identity Server end-to-end flow.
• calling an external microservice and encrypting and decrypting API payloads using the AES-256 algorithm with IV and salt on both the rest and soap services
• Deployed on an AWS EC2 cluster, in a Linux env, with log monitoring and metrics via ELK.
• doing POC on static OTP, SMS gateway, Auth2, and SAML2 successfully.

• Built a Client-Direct-File upload system based on a microservices architecture that would allow the front end to Upload files directly to S3.
• To upload files directly to the S3 private bucket, the user interface would request a unique S3 URL and temporary login details.

• I was in charge of the entire design, development, and deployment.
• Auto-generation of Access keys (PKI) for each application.
• AES-256 encryption, IV, and Salt are used to decrypt Aadhaar Numbers that are stored in the Aadhar Vault db and map a special reference ID to access the original Aadhaar numbers.
• These APIs were able to handle more than 50k RPM.
• The Encrypting and decrypting payload Using a Public and Private key infrastructure.

• Based on a microservice architecture, created a video KYC enabler service that took care of matching customers and agents for KYC.
• Worked on the WEBRTC protocol for video chat and sockets for communication.
• OTP-based login and integration with the karix.io SMS gateway for OTP DELIVERY.
• PKI / RSA Signed - JWT for Authentication and Authorization with Role-based

• Automatically choose the branch's audit firm for each fiscal year based on recurrent reviews and recommendations of neighboring companies and also following RBI Guidelines.
• LDAP, database, and role-based access control.
• Worked on a crucial section of the firm's recommendations for a certain branch.
• Improved serving flow latency, refactored outdated code, fixed errors, and made the allocation process simpler by including the recommendation section for a particular branch.

💻☕ by Pavan Kumar