Jalaz Kumar

Software Engineer

Bengaluru, Karnataka, India6 yrs 5 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led Autosuggest Personalisation at Flipkart.
Scaled systems to handle peak loads of 200k qps.
Designed APIs enhancing SEO for IndiaMART.

Stackforce AI infers this person is a Backend-focused Software Engineer in E-commerce, specializing in Personalisation and Search Systems.

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Skills

Core Skills

JavaMachine LearningApache SparkSolrC++Cuda

Other Skills

AerospikeAndroid DevelopmentApache AirflowCouchbaseData StructuresFederationFlaskGuiceHerokuJava Application MonitoringJavaServer Pages (JSP)LinuxLow-Level DesignMySQLNode.js

About

SDE-3 @ Flipkart | Ex-IndiaMART Interested in Data Structures & Algorithms, Software Development, Distributed Systems & Data Science.

Experience

Flipkart

3 roles

SDE 3

Promoted

Jul 2025 – Present · 8 mos · On-site

Leading the Personalisation & Ranking charter for Autosuggest, launched features like Geo Awareness in Minutes & Blue, Gender Personalisation & Cohort Personalisation.
Contributed in the scaling of the serving service to handle peak load of ~200k qps for TBBD25 and horizontal scalable index size of ~30M+ candidates.

JavaApache SparkJava Application MonitoringMachine Learning

SDE 2

Promoted

Apr 2022 – Jun 2025 · 3 yrs 2 mos · On-site

Acted as Primary PoC for Search Autosuggest for BBD 2024, scaled the system for peak readiness of 150k qps, ensured reliability of the AAA+ rated user service by carrying out redline NFRs, chaos testing & applicability of degradation levers.
Led the DC migration of around ~5 major services/components for the Autosuggest system in a time critical deadline as the older DC reached EOL.
Led the Vernacular Enhancements in Flipkart Autosuggest, improving the coverage & usage for Hindi/Hinglish & adding support for 5 more vernacular languages.
As part of Search ToF team, led several interventions to power search-contents on Flipkart HomePage & the Search/Browse Pages which led to overall searches visit increase by 20bps.

Apache SparkSolrJavaApache AirflowAerospikeCouchbase+1

SDE 1

Apr 2021 – Apr 2022 · 1 yr · On-site

Contributed in the Personalisation & Ranking charter of Search Autosuggest, launching features like Page Context & PPV Personalisation which increased N=1 p13n extent for the service from ~15% to ~88%.
Solr L2R & features/cache retuning for optimising solr performance during inferencing time to scale personalisation initiatives.

JavaSolrMySQLData StructuresGuice

Indiamart intermesh limited

2 roles

Senior Engineer

Promoted

Jan 2021 – Mar 2021 · 2 mos · Noida, Uttar Pradesh, India · On-site

Designed & deployed UserGroup Search API which helped in enhancing the SEO ranking of IM supplier pages.
Re-architectured Catalog Search API using best industrial principles with the aim of highly decoupled, maintainable & easily modifiable service layer.

SolrJavaMachine LearningSpring BootLow-Level DesignData Structures

Engineer

Jul 2019 – Jan 2021 · 1 yr 6 mos · Noida, Uttar Pradesh, India · On-site

Handled & added production-grade features in MCAT Search API, which provides most relevant MCATs from the user search intent. API is having immense usage in IM Ecosystem & is used in product-search, product-mapping, buylead-search & buylead-mapping.
Enriched the existing search results using ML techniques in projects: Attribute-Extraction & Query-Identification.

gitSolrJavaPython (Programming Language)FlaskPandas