Anuj Verma

Senior Software Engineer

Ghaziabad, Uttar Pradesh, India9 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

9+ years of experience in data-intensive backend development
Expertise in building scalable data pipelines and systems
Proficient in multiple programming languages and frameworks

Stackforce AI infers this person is a Backend-heavy Data Engineer specializing in AdTech and SaaS solutions.

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Skills

Core Skills

Apache SparkData EngineeringData PrivacyReal-time Data ProcessingBackend DevelopmentFull-stack Development

Other Skills

SnowflakeCassandraElasticsearchKafkaBigQueryAzure SQLApache Spark StreamingJavaPostgreSQLApache AirflowHiveApache KafkaRubySpring BootHibernate

About

Senior Software Developer with 9+ years of experience building data-intensive backends and distributed systems. Skilled in Spark, Scala, Python, Java, and TypeScript, with hands-on exposure to ML workflows and large-scale data platforms. Pragmatic engineer focused on reliability, performance, and cost efficiency.

Experience

9 yrs 7 mos

Total Experience

1 yr 11 mos

Average Tenure

3 yrs 3 mos

Current Experience

Walmart global tech

Senior Software Engineer

Mar 2023 – Present · 3 yrs 3 mos · Bengaluru · On-site

𝗦𝗽𝗼𝗻𝘀𝗼𝗿𝗲𝗱 𝗔𝗱𝘀 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺
Built and maintained large-scale data pipelines powering Walmart’s Sponsored Ads platform, processing
billions of records daily across catalog ingestion, adserving, and attribution systems.
Designed and migrated Spark SQL workflows from a legacy Ruby orchestration layer to a modern PySpark-based framework running on Dataproc, improving scalability and maintainability.
Developed ingestion pipelines that aggregate product catalog and campaign data from Hive and write
outputs to Cassandra, Elasticsearch, Azure SQL, and BigQuery for downstream adserving and analytics.
Implemented event-driven attribution jobs consuming data from Kafka to compute last-click conversions and publish reports for advertisers to BigQuery and Azure SQL.
Developed housekeeping and validation jobs to monitor data consistency and pipeline health across multiple storage systems.
𝗗𝗮𝘁𝗮 𝗖𝗹𝗲𝗮𝗻 𝗥𝗼𝗼𝗺 (𝗗𝗖𝗥)
Designed and implemented an in-house Data Clean Room (DCR) platform integrating with multiple providers
(in-house DCR, Snowflake DCR, BigQuery DCR, Habu) to enable privacy-preserving data collaboration between Walmart and external partners.
Built guided workflows for key AdTech metrics (conversion rate, overlap analysis, ad attribution) to streamline advertiser insights and measurement consistency across platforms.
Automated partner onboarding and data orchestration, reducing setup effort and ensuring reproducible
metric computation across DCR providers.

Apache SparkSnowflakeData Engineering

Delhivery

Senior Data Engineer

Feb 2022 – Mar 2023 · 1 yr 1 mo · Noida · On-site

Designed and optimized real-time data marts serving analytics and operational dashboards, processing
millions of logistics events daily.
Led migration from Postgres to TiDB (MySQL-compatible HTAP), improving scalability and reducing infrastructure costs by ∼40% ($65K annually).
Re-architected Spark Structured Streaming pipelines for logistics data, cutting compute usage to ∼20%
of previous levels while maintaining SLAs.
Built a periodic data-quality monitoring platform using Amazon Deequ with Grafana-based reporting,
improving observability across pipelines.

Apache Spark StreamingApache SparkData EngineeringReal-time Data Processing

Apple

Software Engineer

Jun 2019 – Feb 2022 · 2 yrs 8 mos · Greater Hyderabad Area

Developed large-scale Spark pipelines for Apple Maps data validation, processing billions of geospatial
records to detect inconsistencies and suggest automated fixes using graph theory and geometric algorithms.
Built internal backend services in Scala (Play Framework) and TypeScript to expose validation and analytics APIs for internal teams.
Practiced test-driven development (TDD) and collaborated with global teams (US, Sweden) in agile sprints.

Data EngineeringBackend Development

Ebizon

Software Developer

Mar 2017 – May 2019 · 2 yrs 2 mos · Noida

Built PushFlew (pushflew.com) — a SaaS platform enabling websites to engage users via push notifications
and email campaigns. Developed backend in Scala (Play Framework) and frontend in Angular.
Redeveloped AppifyCart (appifycart.com) — a SaaS solution for creating mobile apps for Magento stores,
using React and Redux for a modern, responsive UI.

Full-Stack DevelopmentBackend Development

Webkul software pvt ltd

Trainee Software Engineer

Oct 2016 – Mar 2017 · 5 mos · Noida Area, India

Worked as a Full Stack Developer using Wordpress(PHP) for backend and HTML, CSS, JS in Frontend.
Create, Update and Maintain several Wordpress websites.