Ishan Upamanyu
Bengaluru
Summary
Experienced senior software engineer with over a decade of expertise in backend distributed systems and open source big data technologies. Proven track record of designing and implementing scalable solutions that optimize performance and efficiency.
Overview
11
11
years of professional experience
Work History
Senior Software Engineer
Algonomy Software Pvt Ltd
02.2025 - Current
- Created an extensible module to build Spark ETL jobs quickly.
- Developed batch jobs to prepare embeddings for e-commerce catalog and search data, enabling hybrid search.
- Improved hybrid search relevance by enriching query embeddings with LLM-generated synonyms.
- Reduced search API latency by 15% by optimizing Apache Solr filter cache for hybrid search.
- Mentored junior engineers in handling bugs and designing scalable systems via regular code reviews.
Senior Software Engineer
Fivetran India Pvt Ltd
04.2023 - 02.2025
- Owner for connectors of Workday HCM and Greenhouse.
- Mentored junior engineers via code reviews and technical sessions.
- Drove enhancements for Workday HCM and Greenhouse connectors.
Software Engineer
Algonomy Software Pvt Ltd
04.2021 - 03.2023
- Rewrote catalog ingestion system to scale to 10M products and 10K categories.
- Improved search performance using Apache Lucene and Solr.
- Designed scalable architectures for Java and Scala-based systems.
Software Engineer
Dataguise India Pvt Ltd
02.2020 - 04.2021
- Built features to discover and protect sensitive data in Hadoop.
- Developed MapReduce jobs and integrated XML/JSON file support.
Full Stack Developer
CRIF Solutions Pvt Ltd
01.2018 - 04.2019
- Built a log management platform using Elastic stack from scratch.
- Developed alerting module and test-driven backend in Spring Boot.
Elasticsearch Admin / DevOps
DBDigital
05.2017 - 12.2017
- Maintained and upgraded Elasticsearch clusters with zero downtime.
- Wrote Kafka producers/consumers and Linux shell scripts.
Software Engineer
Impetus Infotech India Pvt Ltd
07.2014 - 02.2017
- Built a centralized config management system for distributed apps.
- Developed real-time analytics use cases using Hadoop.
- Built an online library portal as a case study.
Education
Bachelor of Information Technology -
Maharaja Surajmal Institute of Technology
01.2014
Higher Secondary Education - PCM
CBSE
01.2010
Secondary Education - undefined
ICSE
01.2008
Skills
- Java
- Scala
- SQL
- Spring Boot
- Apache Spark
- Kafka
- Apache Solr
- MongoDB
- Docker
- Kubernetes
- Maven
Timeline
Senior Software Engineer
Algonomy Software Pvt Ltd
02.2025 - Current
Senior Software Engineer
Fivetran India Pvt Ltd
04.2023 - 02.2025
Software Engineer
Algonomy Software Pvt Ltd
04.2021 - 03.2023
Software Engineer
Dataguise India Pvt Ltd
02.2020 - 04.2021
Full Stack Developer
CRIF Solutions Pvt Ltd
01.2018 - 04.2019
Elasticsearch Admin / DevOps
DBDigital
05.2017 - 12.2017
Software Engineer
Impetus Infotech India Pvt Ltd
07.2014 - 02.2017
Higher Secondary Education - PCM
CBSE
Secondary Education - undefined
ICSE
Bachelor of Information Technology -
Maharaja Surajmal Institute of Technology
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