Nimish Mangal

Senior Software Engineer at Wells Fargo | NSIT’21

Noida, Uttar Pradesh, India

About

Experienced Java Developer | Spring Boot | Deep Learning Passionate software developer with hands-on experience in building scalable and efficient applications using Spring Boot and Spring Batch. Skilled in backend development, designing robust APIs, and optimizing batch processing workflows. Have worked on neural networks and their applications in modern software solutions. Always eager to learn, adapt, and contribute to innovative projects.

Experience

  • Wells Fargo (Full-time · 5 yrs)
    • Senior Software Engineer
      Feb 2025 - Present · 1 yr 5 mos

      • Led a team to build a Generative AI solution for extracting call sentiment and customer insights from ~1,200 daily calls, delivering via a React dashboard with rapid, stakeholder-driven iterations. • Developed a scalable evaluation framework to assess LLM outputs across diverse use cases, leveraging multiple language models for comparative analysis and quality benchmarking. • Built a FastAPI-based Python POC leveraging LLMs to extract and dynamically structure data from diverse documents, reducing manual effort and streamlining underwriting processes. • Conducted end-to-end migration analysis for the enterprise’s initial applications migrating from TAS to OCP, including latency benchmarking and application dependency mapping, ensuring the apps were successfully migrated with a seamless cloud-to-cloud transition.

    • Software Engineer
      Aug 2022 - Feb 2025 · 2 yrs 7 mos

      • Proficient in designing, developing, and deploying Java micro-services with a track record of optimizing application performance and scalability • Executed comprehensive stress and burst performance testing with JMeter to validate application resiliency and maintain high availability. • Designed and developed a Java micro-service from scratch to enable users to setup recurrent payments of varying frequencies. • Built a dynamic Grafana dashboard featuring adjustable date ranges, allowing business and platform teams to explore transaction volumes, amounts, and account statuses across selected timeframes for deeper operational insights. • Successfully migrated and modernized legacy applications from WebLogic servers to a hybrid cloud infrastructure, ensuring seamless support for business-critical services. • Developed proof-of-concept solutions to compare SOAP responses during cloud migration and designed a file retrieval system that reduced operational overhead.

    • Program Associate
      Jul 2021 - Aug 2022 · 1 yr 2 mos

  • Analyst Intern at American Express
    May 2020 - Jul 2020 · 3 mos