FIELD MANUAL / SYSTEMS ARCHITECTURECHICAGO / 2026

Building dependable systems

KAUSHIKMANDAL

Engineering systems that stay calm under pressure.

Lead Software Engineer building cloud-native Java platforms, distributed services, and AI-assisted workflows.

EPAM Systems · Chicago, Illinois

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10+Years building

31Languages served

#1Hackathon finish

80+Public repositories

PROOF / NOT PROMISES

Complex underneath.
Calm at the surface.

Three public snapshots of the work: modernization, global services, and intelligent automation.

01Legacy → cloud-nativeSearch modernization + applied AIModernizing search microservices while bringing AI-assisted relevance and LLM workflows into the system.

Current work in Chicago centers on decommissioning legacy platforms, migrating services toward cloud-native architecture, and contributing to intelligent search experiences without compromising reliability.

EPAM Systems · Chicago · 2025—NowJAVA / SPRING BOOT / SEARCH / AWS / LLM WORKFLOWS

02One service → 31 languagesA service for 31 languagesBuilt a translation service with Lokalise and a companion feedback service for a reusable product experience.

The work connected backend service design with internationalization at product scale, giving teams a common translation capability and a direct feedback loop.

EPAM Systems · Pune / Remote · 2021—2022SPRING FRAMEWORK / MICROSERVICES / LOKALISE / I18N

03Manual workflow → intelligent flowFinancial systems + automationDelivered financial-data features, payment integrations, an Azure NLP assistant, and automated digital-check processing.

The portfolio spanned FDX data access, policy-administration payments, cognitive services, and workflow automation. The digital-check concept earned first place in a Principal hackathon.

Principal Financial Group · Pune · 2018—2021JAVA / AZURE / NLP / FDX / PAYMENTS / AUTOMATION

2015—NOW / THREE COMPANIES

A decade of
compounding judgment.

From enterprise batch processing to cloud platforms and AI-assisted search—the scope grew, but the operating principle stayed the same: make hard systems understandable and reliable.

AUG 2025—NOWLead Software EngineerEPAM SystemsChicago, IL

Modernizing search microservices, decommissioning legacy platforms, and contributing to AI-assisted search and LLM-driven workflows.

Java · Spring Boot · Search · AWS · Applied AI

OCT 2024—JUL 2025Lead Software EngineerEPAM SystemsDallas, TX

Led offshore development across risk-remediation and healthcare exchange initiatives, delivering features for distributed backend services.

Java · Microservices · Delivery leadership

NOV 2022—SEP 2024Lead Software EngineerEPAM SystemsRemote

Developed backend microservices for an administration platform that connected teams and services with AWS resources.

Spring Framework · AWS · Cloud architecture · Microservices

MAR 2021—NOV 2022Senior Software EngineerEPAM SystemsPune / Remote

Built a translation service supporting 31 languages with Lokalise and created a backend feedback service for a reusable interface component.

Spring Framework · Service design · Internationalization

JUN 2018—MAR 2021Software AnalystPrincipal Financial GroupPune, India

Delivered financial-data and payment features, an Azure NLP chatbot, and digital-check automation that won first place in an internal hackathon.

Java · Azure · NLP · Spring Framework · Payments

JUN 2017—JUN 2018Senior Software EngineerCapgeminiPune, India

Improved application security with JWT, added bulk cheque processing, and automated escalation workflows for a digital cheque system.

Spring Framework · JWT · REST · SOAP

DEC 2015—JUN 2017Software EngineerCapgeminiPune, India

Developed batch jobs for payment processing, reporting, dispute tracking, and automated cheque monitoring.

Spring Batch · Java · REST · Reporting

TOOLS CHANGE / PRINCIPLES TRAVEL

The operating stack.

Built around strong service boundaries, observable flows, and deliberately chosen infrastructure.

Languages + frameworks

Java · Spring Boot · Spring Framework · Spring Batch · REST / SOAP · Gradle

Cloud + infrastructure

AWS · Azure · Google Cloud · Kubernetes · Docker · Terraform

Messaging + distributed

Kafka · SQS · SNS · Event-driven design · Redis · PostgreSQL

AI + emerging

Claude API · MCP · RAG · Agentic workflows · Tool calling · Evaluation workflows

BACKEND DEPTH + CLOUD DELIVERY + APPLIED INTELLIGENCE

LEARNING IN PUBLIC

Experiments
with a commit trail.

The public repositories are a working notebook: current agent tooling beside the Java, cloud, web, and computer-vision experiments that came before it.

L/01Gemini ADK with AntigravityA learning lab for Google’s Agent Development Kit, including an ambient expense agent.HTML · 2026 L/02MCP server demoA Java experiment exploring Model Context Protocol server patterns.JAVA · 2026 L/03E-schoolAn early full-stack exploration of an e-school management system.CSS / WEB · ARCHIVE

Browse 80+ public repositories ↗

SELECTED / AI TO JAVA

Credentials that map to the work.

A curated ledger across AI, cloud, observability, automation, and the Java foundation underneath it.

01Claude Certified Architect — AI FoundationsAnthropic2026
02Engineer AI Agents with Agent Development KitGoogle Cloud2025
03Observability FoundationsNew Relic2024
04Solutions Architect — AssociateAWS2022
05Developer — AssociateAWS2021
06Azure FundamentalsMicrosoft2021
07Advanced RPA ProfessionalAutomation Anywhere2019
08Java EE Web Services DeveloperOracle / NIIT2015
09Java SE ProgrammerOracle / NIIT2012

07 / CONTACTCHICAGO / OPEN CHANNEL

Ready for the next
hard problem.

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