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Anuj Arora

Lead Backend Engineer | Distributed Systems & Platform Architecture | AI-Driven Backend | Wayfair

Bengaluru

10+ years of work experience

Wayfair
Feb 20242 y 8 moPresent

Bengaluru

• Led development of a context-aware AI agent using Model Context Protocol (MCP) to automate issue triaging by correlating signals across Jira, GitHub, and internal data stores, reducing dev on-call triage time by ~40% • Drove re-architecture of storefront serving to a SKU-level model, designing high-throughput sync jobs and cache-aside GraphQL patterns, resulting in a 10% increase in PDP engagement • Architected batch and streaming data pipelines using Google Dataflow (Apache Beam) to support catalog processing at scale, achieving 10× scalability and reducing error rates from ~20% to <2% • Led modernization of the related items and recommendations backend, optimizing Kafka partitioning and SQL access patterns to reduce rule update latency by 92% (48h → 2h) • Optimized Build-The-Basket (BTB) backend flows by eliminating redundant service calls and introducing an improved optimization algorithm, driving $1.5M in incremental revenue • Owned backend delivery for Collections 2.0, building an Elasticsearch-backed serving layer capable of handling complex, high-concurrency polyglot queries • Reduced long-term technical debt by replacing 100+ tightly coupled legacy references with a contract-driven GraphQL architecture, improving deployment safety and iteration speed • Served as Lead On-Call during peak traffic events, resolving cache pollution and worker failures and eliminating a 9.4% checkout failure rate under load • Mentored junior engineers and contributed to hiring and interview rubric design, strengthening backend system design and delivery standards across the team
cure.fit (cult.fit)
Mar 20213 yrsFeb 2024

Bengaluru

• Engineered a distributed Waitlist Engine using locking and concurrency control mechanisms, significantly improving class conversion rates and peak attendance under high contention • Automated CI/CD pipelines and production monitoring on AWS, driving a 10× improvement in content delivery speed and overall developer productivity • Architected anti-fraud backend systems using device fingerprinting and velocity-based controls, substantially reducing promo-code abuse and fraudulent bookings • Led zero-downtime migrations for Cult GX and Gym membership microservices during a major database refactor, ensuring uninterrupted service for millions of users
Paytm Money
Aug 20182 yrs 8 mosMar 2021

Bengaluru

• Owned end-to-end KYC microservices for Mutual Funds and Equity platforms, integrating real-time CVL (KRA) verification to enable seamless and compliant user onboarding • Designed and implemented a high-reliability CERSAI upload service along with B2B ingestion pipelines, supporting external integrations including Alibaba 1688.com • Improved API throughput and P99 latency by ~30% through systematic load testing with Gatling and targeted SQL query optimization
Target
Aug 20162 yrs 1 moAug 2018

Bengaluru Area, India

• Developed a Gift Card microservice for Target.com, supporting transaction voids and handling high-concurrency peak holiday traffic • Automated financial settlement workflows, including PDF generation and secure SFTP integrations with external partners such as AMEX and BAMS

Anuj’s AI Stack

claude
claude
hermes agent
hermes agent
langchain
langchain
langgraph
langgraph
langsmith
langsmith
mcp
mcp

Education

Indian Institute of Technology, Roorkee

Bachelor’s Degree, Electrical Engineering

Indian Institute of Technology, Roorkee

20124 yrs2016

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Headline

Lead Backend Engineer | Distributed Systems & Platform Architecture | AI-Driven Backend | Wayfair

About

Lead Backend Engineer designing and scaling distributed systems for high-traffic, business-critical platforms. I work across system design, data platforms, and AI-augmented backend workflows, translating ambiguous product goals into reliable, scalable architectures. Strong focus on platform thinking, AI-enabled automation, and long-term system maintainability.

Location

Bengaluru

AI stack

claude

hermes agent

langchain

langgraph

langsmith

mcp

Work experience

Tech Lead at Wayfair, Feb 2024 - Present · 2 y 8 mo, Bengaluru, • Led development of a context-aware AI agent using Model Context Protocol (MCP) to automate issue triaging by correlating signals across Jira, GitHub, and internal data stores, reducing dev on-call triage time by ~40% • Drove re-architecture of storefront serving to a SKU-level model, designing high-throughput sync jobs and cache-aside GraphQL patterns, resulting in a 10% increase in PDP engagement • Architected batch and streaming data pipelines using Google Dataflow (Apache Beam) to support catalog processing at scale, achieving 10× scalability and reducing error rates from ~20% to <2% • Led modernization of the related items and recommendations backend, optimizing Kafka partitioning and SQL access patterns to reduce rule update latency by 92% (48h → 2h) • Optimized Build-The-Basket (BTB) backend flows by eliminating redundant service calls and introducing an improved optimization algorithm, driving $1.5M in incremental revenue • Owned backend delivery for Collections 2.0, building an Elasticsearch-backed serving layer capable of handling complex, high-concurrency polyglot queries • Reduced long-term technical debt by replacing 100+ tightly coupled legacy references with a contract-driven GraphQL architecture, improving deployment safety and iteration speed • Served as Lead On-Call during peak traffic events, resolving cache pollution and worker failures and eliminating a 9.4% checkout failure rate under load • Mentored junior engineers and contributed to hiring and interview rubric design, strengthening backend system design and delivery standards across the team

Senior Software Engineer at cure.fit (cult.fit), Mar 2021 - Feb 2024 · 3 yrs, Bengaluru, • Engineered a distributed Waitlist Engine using locking and concurrency control mechanisms, significantly improving class conversion rates and peak attendance under high contention • Automated CI/CD pipelines and production monitoring on AWS, driving a 10× improvement in content delivery speed and overall developer productivity • Architected anti-fraud backend systems using device fingerprinting and velocity-based controls, substantially reducing promo-code abuse and fraudulent bookings • Led zero-downtime migrations for Cult GX and Gym membership microservices during a major database refactor, ensuring uninterrupted service for millions of users

Senior Software Engineer at Paytm Money, Aug 2018 - Mar 2021 · 2 yrs 8 mos, Bengaluru, • Owned end-to-end KYC microservices for Mutual Funds and Equity platforms, integrating real-time CVL (KRA) verification to enable seamless and compliant user onboarding • Designed and implemented a high-reliability CERSAI upload service along with B2B ingestion pipelines, supporting external integrations including Alibaba 1688.com • Improved API throughput and P99 latency by ~30% through systematic load testing with Gatling and targeted SQL query optimization

Software Engineer at Target, Aug 2016 - Aug 2018 · 2 yrs 1 mo, Bengaluru Area, India, • Developed a Gift Card microservice for Target.com, supporting transaction voids and handling high-concurrency peak holiday traffic • Automated financial settlement workflows, including PDF generation and secure SFTP integrations with external partners such as AMEX and BAMS

Education

Bachelor’s Degree, Electrical Engineering, Indian Institute of Technology, Roorkee