Sijo Saji

Engineering @ MongoDB

Ghaziabad, Uttar Pradesh, India

About

Software Developer passionate about building scalable, high-performance applications using Java, Spring Boot, SQL, MongoDB, Couchbase, Elasticsearch, Redis, React, and TypeScript. I enjoy solving complex problems—whether it’s migrating legacy systems, boosting system performance , or creating AI-powered tools that speed up development and enable smarter applications. For me, software engineering is about more than just code; it’s about collaboration, continuous learning, and delivering real-world impact.

Experience

  • Application Engineer at MongoDB
    Nov 2024 - Present · 1 yr 8 mos

  • Cvent (Full-time · 2 yrs 8 mos)
    • Senior Software Engineer
      Jan 2024 - Nov 2024 · 11 mos

      -Designed workflow to partition 4 Billion data in elastic search to smaller indexes without impacting search calls in Zero downtime - Re-Architected ElasticSearch CDC sync pipeline to reduce SQL server read calls by 30 % by leveraging the concept of partial streaming therby mitigated document version conflicts by 55%

    • Software Engineer II
      Apr 2022 - Jan 2024 · 1 yr 10 mos

      -Rearchitected a critical report module that is being most sought using technology like Dropwizard, Sql Server along with using various system design concepts like Caching, concurrency. -Leveraged Front end technologies like React and Typescript to create functional components -Designed system to sync data from Postgres to ElasticSearch adhering to principles of event driven architecture using various technologies like Event Bridge, Sqs and Elastic Search - Awarded New comer of the year for significant contributions

  • Envestnet, Inc (2 yrs 10 mos)
    • Senior Product Development Engineer
      Nov 2021 - Apr 2022 · 6 mos

    • Product Development Engineer
      Jul 2019 - Nov 2021 · 2 yrs 5 mos