Rishi Ranjan

About Rishi Ranjan

I like to build and experiment new things in tech world. I have around 11 years of experience, I specialize in backend development, system architecture, and performance optimization, helping businesses build scalable, resilient, and high-performance applications. My expertise spans microservices, event-driven architectures, cloud platforms (AWS, GCP), DevOps automation, and observability tools (ELK, Splunk, New Relic). Key Achievements: Designed & implemented a multitenant event-driven microservices solution, reducing vendor dependency and increasing client profitability. Optimized database & application performance, reducing query latency from around milliseconds to around 100-150ms (80% improvement), improving transaction speed. Led a team of fresher and mid-level engineer, driving solution design, implementation, and release management across multiple domains. Enhanced application scalability, accelerating distributor onboarding across Asia and boosting sales by more than 40%. Built cloud-native applications, integrating Kafka, Redis, Kubernetes, and DevOps CI/CD pipelines for seamless deployments. Aspirations & Future Goals: Passionate about solving complex engineering problems, mentoring teams, and driving innovation. I aim to:1. Lead & mentor engineering teams, fostering a culture of innovation and technical excellence.2. Optimize system performance & resilience, ensuring applications handle high-scale traffic with minimal downtime.3. Expand expertise in AI, machine learning, and big data, integrating intelligent insights into enterprise software.4. Architect cloud-based solutions, leveraging cutting-edge technology to enhance scalability and business impact. Let’s connect! Open to discussions on scalable system design, performance engineering, and emerging tech trends.

Experience

1. Associate Vice President

   Citi

   Sep 2025 — Present · Pune, IN

Education

• R.T.M. NAGPUR UNIV

  B.E, I.T

  2012

• P.C.P COLLEGE

  H.S.S

  2004

• ATULANAND CONVENT SCHOOL

  S.S.C

  2002

• Priyadarshni College of Engg

  graduation, Computer Engineering

  2008 — 2012

Skills

• Nosql
• Apache Pig
• Tomcat
• Jquery
• Hive
• Ajax
• Mongodb
• Mysql
• Jdbc
• Sql
• Hibernate
• Html
• Jsp
• Javascript
• Git
• Weblogic
• Css
• Spring
• Hbase
• Struts
• Hadoop
• Servlets
• Dom4j
• Apache Storm
• Maven2
• Log4j
• Core Java