Kandula Vinod Kumar

Kandula Vinod Kumar · Software engineer

I build backend systems that hold up in production.

5+ yearsBackend & platform engineeringDistributed systems

I’m a Senior Member of Technical Staff at Oracle. My work has covered payments, messaging, analytics, and the infrastructure that keeps them running.

Selected work

A few things I’ve shipped

Projects where reliability and scale were part of the job, not an afterthought.

Analytics and platform visibility

TapestryX transaction analytics

Created data-driven dashboards and analytics checkpoints that improved traceability, decision-making, and user confidence across the platform.

  • Dashboard Engineering
  • Kafka
  • Prometheus
  • Grafana
  • Kubernetes

Auditability and transaction integrity

Blockchain transaction framework

Delivered reusable modules and performance tuning that helped improve throughput by 25% while strengthening audit confidence.

  • Blockchain
  • Kafka
  • Redis
  • OAuth2
  • Kubernetes

Serverless payment infrastructure

MTN MoMo payment integration

Enabled ₹4.2M+ in monthly transaction processing using AWS Lambda, SNS, and SQS-backed communication patterns.

  • AWS Lambda
  • SNS/SQS
  • Spring Boot
  • Node.js
  • Fintech Integrations

Middleware and operations automation

Messaging reliability platform

Supported millions of daily transactions, improved middleware speed by 20%, and reduced unplanned downtime by 50%.

  • SMPP
  • Node.js Middleware
  • React
  • Shell Automation
  • Monitoring

Measured impact

25%Throughput uplift
98%Release quality target
₹4.2M+Monthly payment volume
20%Faster middleware processing
50%Less unplanned downtime

Experience

Where I’ve worked

Building platforms for payments, messaging, analytics, and high-volume transactions.

Current

Oracle

Senior Member of Technical Staff

My current chapter. I’ll add the project details once the work is ready to share publicly.

July 2024 - February 2026

TechGrit Solutions Pvt Ltd.

Senior Software Developer

Led platform improvements across analytics, blockchain-backed transactions, cloud-native deployments, AI-powered workflows, and team mentorship for the TapestryX ecosystem.

  • Designed transaction dashboards and analytics surfaces that improved traceability and platform visibility.
  • Built blockchain-integrated modules for auditability, immutability, and trustworthy transaction flow design.
April 2022 - July 2024

Comviva Technologies

Senior Software Engineer

Built high-performance fintech and telecom systems across SaaS messaging, middleware, ETL pipelines, and serverless payment integrations.

  • Shaped microservice-based SaaS systems with Spring Boot, Kafka, REST, SOAP, and XML integrations.
  • Developed ETL and analytics pipelines with Elasticsearch, MySQL, and Oracle to reduce reporting latency.
August 2020 - April 2022

Comviva Technologies

Software Engineer

Strengthened messaging infrastructure, enterprise UI customization, reporting automation, and production monitoring foundations.

  • Enhanced SMPP modules and multithreaded MO handlers to support reliable multilingual message delivery.
  • Delivered React-based enterprise themes with modular UI customization for brand-specific experiences.

Technical range

Tools I know well

The exact stack changes from project to project. These are the tools I’ve used in real systems.

01

Core Languages & Frameworks

Java · Python · Node.js · Shell Scripting · Spring Boot · Hibernate · Django · FastAPI · LangChain · React · Angular · Express.js

02

Distributed Systems & APIs

Microservices · Apache Kafka · RabbitMQ · Redis Streams · REST API · SOAP · OAuth2 · Swagger · KrakenD Gateway · Nginx Reverse Proxy · Event-Driven Architecture

03

Cloud, Containers & Delivery

AWS · Azure · IBM Cloud · Docker · Kubernetes · Helm · OpenShift · Git · Bitbucket · GitLab CI · Jenkins · Jira

04

Data, Observability & Quality

MySQL · PostgreSQL · MongoDB · Redis · Elasticsearch · Snowflake · Neo4j · Prometheus · Grafana · Kibana · JMeter · Postman · PyTest · JUnit · Mockito

05

Security & Platform Hygiene

TLS/SSL · Token-Based Authentication · IAM · Keycloak · Role-Based Access Control · Clean Architecture · Risk Analysis · Non-Functional Requirements · Performance Benchmarking

A little about me

I like turning messy requirements into reliable services.

Most of my work sits behind the screen: distributed services, integrations, event flows, and production tooling. I care about making those systems easier for the next engineer to understand.

B.Tech, Electronics & Communication Engineering · NIT Jalandhar