Backend engineer · Distributed systems · Agentic AI

I build backend systems that stay reliable when the scale—and the stakes—grow.

Software Development Engineer II at Amazon · Bengaluru, India

Software Engineer II with about three years of experience designing high-throughput distributed systems with Java, Kotlin, Kafka, Flink, and AWS, alongside agentic AI solutions that automate operational work.

Portrait of Chintan Puggalok
01 / Selected impact

Scale expressed as outcomes.

A selection of measurable and initiative-level results from production systems and engineering programs.

1.4M+

leads processed yearly

Owned a reactive lead-consumer service with ten-second-or-better processing latency.

Measured outcome
14%

form conversion lift

Built real-time Flink validation and deduplication pipelines supporting higher-quality lead data.

Initiative-level outcome
28+

international arcs

Designed scalable cross-border offer-mapping configurations and document ingestion architecture.

Initiative-level outcome
50k+

candidates supported

Led reliability, monitoring, performance testing, and risk-analysis improvements for hiring systems.

Initiative-level outcome
02 / Experience

Systems ownership from design to operation.

Backend architecture, event streaming, platform modernization, and operational excellence across Amazon and Intuit.

Aug 2025 — Present Bengaluru, Karnataka

Software Development Engineer II · Amazon

Building cross-border pricing and compliance systems, with an emphasis on configurable architecture, operational reliability, and platform modernization.

  • Spearheaded the Global Store Competitive Match Pricing launch from the UK to Ireland, engineering the organization’s first configurable price floor for external competitor-price matching.
  • Led a compliance initiative in the CP Precompute system, shaping data-deletion architecture across DynamoDB and AWS Glue while rapidly onboarding to the domain.
  • Improved CrossBorderCPCalculator reliability and observability by investigating OOM and heap anomalies, integrating JFR profiling, and driving JDK 21, Kotlin 2.x, and Gradle 8.x migrations.
JavaKotlinAWSDynamoDBGlueGraphQLJFRGradle
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Jan 2025 — Aug 2025 Bengaluru, Karnataka

Software Development Engineer II · Intuit

Led operational-excellence and platform initiatives for hiring systems while guiding a seven-engineer team through reliability and architecture improvements.

  • Led seven engineers in implementing Wavefront golden-signal monitoring, Gatling performance testing, and FMEA risk analysis for systems supporting more than 50,000 candidates.
  • Spearheaded a self-serve rehire system using hexagonal architecture and GraphQL, creating reusable adapters intended to reduce integration effort and target a 50% reduction in hiring costs.
  • Improved delivery security and speed through Docker/Jenkins CI/CD optimization, vulnerability remediation, and Renovate-based dependency automation.
JavaSpring BootGraphQLDGSGatlingWavefrontDockerJenkins
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Aug 2023 — Jan 2025 Bengaluru, Karnataka

Software Development Engineer I · Intuit

Owned event-driven lead-processing services and stream pipelines for a major hiring initiative, establishing reusable architecture and testing patterns.

  • Architected and owned a reactive Kafka lead-consumer service processing more than 1.4 million leads per year with ten-second-or-better latency for a $22M initiative; the architecture was recognized internally as a gold standard.
  • Implemented real-time Apache Flink pipelines for validation and deduplication, supporting high-quality data and a 14% form-conversion increase.
  • Created a parallel Karate testing framework adopted across services to improve reliability and reduce execution time.
JavaProject ReactorKafkaApache FlinkDGSDroolsCamundaKarate
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03 / Capabilities

A backend toolkit organized around problems.

Technologies matter most when they support understandable architecture, reliable delivery, and observable production systems.

Capability 01

Languages & APIs

Production languages and interface technologies used to build backend services.

  • Java 11+
  • Kotlin
  • Python
  • SQL / Postgres
  • JavaScript
  • GraphQL
Capability 02

Distributed & event-driven systems

Patterns and platforms for high-throughput asynchronous processing.

  • Kafka
  • Apache Flink
  • Project Reactor
  • Microservices
  • Stream processing
  • Event-driven architecture
Capability 03

Backend platforms

Frameworks and workflow technologies used across service and business-logic layers.

  • Spring Boot
  • DGS Framework
  • Drools
  • Camunda BPM
  • Hexagonal architecture
  • API design
Capability 04

Cloud & delivery

Infrastructure and delivery systems supporting reliable production operation.

  • AWS
  • DynamoDB
  • Glue
  • S3
  • ECS
  • SQS
  • Kubernetes
  • Docker
  • Jenkins
  • CI/CD
Capability 05

Reliability & quality

Operational practices for understanding, testing, and improving live systems.

  • Observability
  • JFR profiling
  • Splunk
  • Wavefront
  • JUnit
  • Karate
  • Gatling
  • FMEA
Capability 06

Applied AI

Grounded assistants and agents designed around practical operational workflows.

  • GenAI
  • Agentic AI
  • LangChain
  • Retrieval
  • Vector databases
  • Knowledge synthesis
04 / Selected projects

Applied AI built around real workflows.

Agents and automation prototypes focused on reducing operational friction and making institutional knowledge easier to use.

05 / Foundation

Education and recognition.

Education · Aug 2019 — Jul 2023

Indraprastha Institute of Information Technology Delhi

Bachelor of Technology in Computer Science and Applied Mathematics

GPA 8.67 / 10.0

Recognition
  • 10+ Intuit Spotlight recognitions spanning customer obsession, technical innovation, courage, and collaboration.
  • Third-place finalist at Hackanoodle by Zomato (2022), a national e-commerce hackathon.
06 / Writing

Notes from the network console.

How twitter.com redirects to x.com →

Open to thoughtful backend and platform opportunities

Have a backend problem worth thinking deeply about?

Ask the portfolio agent for context, or reach out directly for a human conversation.