KULDEEP PRADHAN
SC.01 · HIGH-SCALE FINTECH & DISTRIBUTED SYSTEMS

Architecting high-throughput microservices & resilient fintech platforms.

Full Stack Engineer with 4+ years of experience specializing in Node.js microservices serving 2,500+ TPS, RBI-compliant OTP/TOTP authentication, and enterprise React/Next.js dashboards for tier-1 banking workflows.

RBI-Compliant RFC 6238GCP & AWS ECS FargateReact / Next.js Batch Topper
Explore 6 Case Files
01 · Metric
2,500+TPS

Peak Transaction Throughput

Microservices on GCP Kubernetes

02 · Metric
4+Years

Engineering Experience

High-scale MERN & Fintech Systems

03 · Metric
300K+Users

Active Users / Partner

Kotak, NSDL & CSC Merchant Portals

04 · Metric
~60%Faster

Auth Latency Reduction

Stateless RFC 6238 HMAC Tokens

SC.03 · FLAGSHIP SYSTEMS & ARCHITECTURES

Selected Case Files

Real-world microservices, high-throughput banking integrations, and cloud infrastructure engineered for resilience and speed.

6 Production & Open Source Files
01 / 06AWS Deployed
Fintech KYC & Compliance Platform

TrustOnboard

Institutional Multi-Step KYC & Risk Onboarding Platform with AWS CDK Infrastructure

Automated AWS CDK DeploymentsZero-Downtime
React.jsTypeScriptNode.jsExpress.js+7
Flagship ArchitectureOpen Case File
02 / 06In Production
High-Availability Security Microservice

Stateless TOTP & 2FA Service

RFC 6238 2FA Microservice slashing Auth Latency by ~60% via Stateless HMAC Tokens

Authentication Latency~60% Lower
Node.jsTypeScriptHMAC-SHA256RFC 6238+4
Security CoreOpen Case File
03 / 06In Production
Distributed Event-Driven Architecture

Multi-Channel Notification Engine

Centralized Multi-Channel Alert Platform cutting Template Maintenance by 40%

Engineering Template Overhead-40%
NestJSReact.jsGCP Pub/SubNovu SDK+4
Event-DrivenOpen Case File
04 / 06Open Source
Microservice Framework & Architecture

Enterprise Layered Node.js Boilerplate

Clean Architecture Microservice Starter with Multi-Database Repositories

Generic Repository LayerMulti-DB
Node.jsExpress.jsTypeScriptPostgreSQL+4
Architectural PatternOpen Case File
05 / 06In Production
Fintech Systems & Device Management

High-Throughput Banking & Merchant Portal

Mission-Critical Banking Operations Dashboard serving 300K+ Active Users at 2,500+ TPS

Peak Transaction Capacity2,500+ TPS
React.jsTypeScriptNode.jsGCP Kubernetes+4
High-Throughput ScaleOpen Case File
06 / 06Internal System
DevOps & Engineering Productivity

SDLC & Workflow Automation Pipeline

Automated Jira-to-Jenkins CI/CD Pipeline & QA Documentation Sync via n8n

Release & QA VerificationAutomated
n8nJenkinsJira APIObsidian+3
Developer ExperienceOpen Case File

Need custom architecture review or technical advisory?

Deep dive into system topology, data isolation, and low-latency auth protocols.

Discuss System Design
SC.04 · TECHNICAL UNIVERSE & DOMAINS

Skills & Engineering Matrix

Specialized expertise in high-throughput backend microservices, distributed data architectures, and enterprise React/Next.js frontends.

DOM.01

Backend & Distributed Systems

High-throughput microservices, scalable REST & gRPC APIs, and event-driven architectures.

Node.jsCore
TypeScriptCore
Express.jsCore
NestJSProduction
gRPCMicroservices
REST APIsDesign
WebSockets / Socket.ioReal-time
Microservices ArchitectureFintech
System DesignArchitecture
DOM.02

Frontend & Full Stack Engineering

High-performance, responsive web interfaces, complex financial dashboards, and server-rendered web applications.

React.jsBatch Topper
Next.js (App Router)SSR/SSG
Tailwind CSSStyling
Material UIDesign System
State Management (Redux/Zustand)Client State
HTML5 / Modern ES6+ JSFoundation
Video.jsMedia
DOM.03

Databases & Distributed Storage

Relational, document, wide-column, and in-memory databases modeled for high concurrency and audit compliance.

PostgreSQLACID / Audit
MongoDBSession / Data
Apache CassandraWide-Column
AWS DynamoDBNoSQL Scale
RedisCaching / Queue
DOM.04

Cloud, Containers & CI/CD

Cloud-native deployments on Google Cloud Platform and AWS with Docker containerization and automated CI/CD pipelines.

Google Cloud Platform (GCP)GKE / VM
GCP Pub/SubMessaging
AWS (ECS, Lambda, S3, EC2)Cloud
AWS CDKIaC
DockerContainers
KubernetesOrchestration
Jenkins CI/CDAutomation
GitHub ActionsWorkflows
FirebaseLive Alerts
DOM.05

Security, Auth & Quality Assurance

RBI-compliant authentication, cryptographic token generation, and comprehensive automated test suites.

RFC 6238 TOTP / OTP 2FASecurity
HMAC-SHA256 Stateless AuthCrypto
OAuth 2.0 & OpenID ConnectAuth Protocol
SSO (Auth0)Enterprise
JWT ArchitectureTokens
Jest & Jest-Cucumber (BDD)Testing
n8n AutomationProductivity
SC.05 · CAREER JOURNEY & PROOF

Engineering Experience

A track record of engineering scalable fintech products, high-throughput microservices, and leading full-stack implementations.

Software Engineer - II

Current Role
iServeu Technology
June 2023 – Aug 2026Bhubaneswar, Odisha, India

Core backend and full-stack contributor designing high-throughput fintech microservices, banking partner integrations, and merchant operations dashboards.

Engineered high-concurrency Node.js/Express microservices on GCP Kubernetes handling 2,500+ TPS peak banking transaction volume.
Built 2 greenfield React.js/TypeScript applications from scratch and scaled merchant dashboards serving 300K+ users per banking partner.
Architected end-to-end KYC verification state machines (Aadhaar, PAN, Biometric, Liveness) for major banking partners including Kotak, NSDL, and CSC.
Designed high-availability RBI-compliant OTP/TOTP 2FA microservices; replaced Cassandra state-storage with stateless HMAC tokens to eliminate database I/O and cut latency by ~60%.
Constructed a centralized Notification Dashboard integrating Novu SDK and GCP Pub/Sub for multi-channel SMS/Email/Push alerts, cutting template updates by ~40%.
Developed hierarchical mATM device mapping REST APIs for banking correspondents, tracking 5,000+ active devices with Firebase real-time alerts.
Managed CI/CD pipelines via Jenkins/Docker, authored BDD test suites with Jest-Cucumber, and mentored a pod of 4 junior engineers.
KEY RECOGNITION & HONORS

Awarded Batch Topper in iServeu React/Next.js Training Program for building a full-featured SSR application.

Node.jsExpress.jsReact.jsTypeScriptGCP KubernetesGCP Pub/SubPostgreSQLMongoDBRedisDockerJenkinsJest-Cucumber

MERN Stack Developer

MAGTAPP Technology
July 2022 – May 2023Bhubaneswar, Odisha, India

Developed web frontends and cloud-backed ad-serving microservices across the M Plus digital content platform.

Developed responsive web interfaces using React.js, Next.js, Tailwind CSS, and Material UI.
Built backend REST and gRPC microservice APIs in Node.js and Express.js.
Integrated AWS Lambda, EC2, S3, and DynamoDB for media file storage and high-availability ad-serving workflows.
Conducted peer code reviews, optimized database queries, and debugged production issues to maintain high service uptime.
KEY RECOGNITION & HONORS

Awarded Employee of the Month twice (January 2023 & February 2023) for outstanding productivity and delivery.

React.jsNext.jsNode.jsExpress.jsAWS LambdaAWS S3DynamoDBTailwind CSSgRPC

Operation Executive – Trainee

INFOSYS Limited
February 2022 – July 2022Mysore, Karnataka, India

Completed rigorous enterprise engineering training in core Java, database management, and Spring Boot web services.

Completed comprehensive Java 11 & Spring Boot full-stack development curriculum.
Engineered Ekart e-commerce software module for customer and product inventory data management.
Mastered clean coding practices, object-oriented design, and SQL relational schema design.
Java 11Spring BootMySQLREST APIsGit
ACADEMIC FOUNDATION & CERTIFICATIONS
07/2016 – 10/2020

B.Sc, Information Technology Management

Ravenshaw University · Cuttack, Odisha

Information SystemsData Structures & AlgorithmsDatabase Management
Currently Learning

FDE Certification

In Progress · Online

Awaiting Certificate Delivery
Awarded Batch Topper

React & Next.js Advanced Engineering

iServeu In-House Academy · Bhubaneswar, Odisha

Top Score in CohortServer-Side Rendering & Next.js Architecture
CONNECT & COLLABORATE

Let's engineer something scalable together.

Open to high-impact full-time Senior Full Stack / Backend Engineering roles, fintech microservices consulting, or architectural advisory.

DIRECT EMAIL
kuldeeppradhan9@gmail.com
PHONE / CALL
+91 8117012315
WHATSAPP
+91 9090569556

Send Email