Jai Ranjan Kumar

Software Engineer

Bengaluru, Karnataka, India18 yrs 5 mos experience

Key Highlights

Expert in Microservice Architecture and Scalable Systems.
Proven track record in leading data migration to AWS.
Strong advocate for SCRUM, TDD, and Continuous Delivery.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer with expertise in Big Data and Cloud Solutions.

Contact

Skills

Core Skills

MicroservicesScalable SystemsElasticsearchAwsManagement DevelopmentRequirements AnalysisApache SparkHadoopSqlSoftware Development

Other Skills

Agile MethodologiesAlgorithmsAmazon Web Services (AWS)Apache KafkaApplication DevelopmentBig DataC++Career ProgressionCassandraCore JavaData MigrationData Pipeline DevelopmentData StructuresData Warehouse DesignData Warehousing

About

Experience in Microservice Architecture, Scalable & Distributed Systems, Concurrent High Throughput & Low Latency Applications A strong adherent of SCRUM, TDD, and Continuous Delivery methodologies. Experience in working with CI/CD, worked on tools like Jenkins, GitHub, SonarQube. Hands-on development experience in Bigdata, HDFS, Hadoop, Spark, Kafka, Scala, Java, ELK, Oracle Database, JUnit, Mockito and Agile Methodologies. An excellent command on Scala Language.

Experience

Roku

Engineer

Dec 2024 – Present · 1 yr 3 mos

Tesco

SDE3

Dec 2022 – Nov 2024 · 1 yr 11 mos

Built and optimised scalable backend components for an SSP platform in the AdTech domain, focusing on performance, reliability, and monitoring to enable seamless deployments and rapid issue resolution.

Performance OptimizationReliability EngineeringMonitoringScalable Backend DevelopmentMicroservicesScalable Systems

Smarsh, fidelity investment, hopscotch

Principal Engineer

Jan 2020 – Nov 2022 · 2 yrs 10 mos

Worked on Indexing and Search initiatives, streamlining processes and optimising Elasticsearch to reduce operational costs.
Led the strategy and execution of application and data migration from on-premises infrastructure to AWS, designing and implementing a scalable data-warehouse solution using Snowflake and AWS services.
Led a Data Engineering team, overseeing the design and development of a data platform supporting demand, supply, and clickstream data pipelines.

IndexingSearch OptimizationData MigrationData Warehouse DesignData Pipeline DevelopmentElasticsearch+1

Citi

Vice President (Senior Development Manager)

Jan 2019 – Jan 2020 · 1 yr

Managed and mentored a high-performing team of 10 engineers, overseeing recruitment, skill development, and career progression. Built a collaborative team culture and coached junior engineers in big data and ETL pipeline development.

Team ManagementSkill DevelopmentCareer ProgressionBig DataETL Pipeline DevelopmentManagement Development+1

Cognizant

Manager

Sep 2017 – Jan 2019 · 1 yr 4 mos

Contributed to Apple Maps by optimizing GIS data pipelines for accuracy and completeness. Improved Spark job performance and eliminated bottlenecks across large-scale Hadoop clusters.

GIS Data OptimizationSpark Job PerformanceHadoop Cluster ManagementMicroservicesApache SparkHadoop