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Saiel Kharote

Backend Engineer @ OneCard (FPL Technologies) | Java, Spring Boot, Kafka, AWS | Building Event-Driven Microservices in Fintech | Open to Backend Engineer / Java Developer Roles

Pune District

2+ years of work experience

FPL Technologies
Sep 20242 yrsPresent

Pune District

Design and develop backend services and REST APIs in Java and Spring Boot for core financial workflows including onboarding, payments, and account operations, serving multiple banking partners. Architected a multi-tenant system with dynamic datasource routing and per-tenant data isolation, improving performance consistency by ~40% and eliminating noisy-neighbor issues. Built event-driven backend systems using Apache Kafka for real-time financial event processing, with reliable delivery and fault tolerance. Led consolidation of a large legacy workflow codebase into a unified Spring Boot-based engine, improving maintainability and deployment efficiency. Built an AI-powered feature enabling natural language querying over internal workflow data, reducing repetitive engineering requests from cross-functional teams. Designed and built a self-serve, ephemeral test infrastructure platform that provisions microservices and dependencies on-demand, cutting test cycle time by ~80% (2–3 hrs → ~20 mins). Built a large-scale API sanity test suite covering end-to-end onboarding flows, improving release reliability across multiple banking integrations. Refactored legacy code, strengthened observability and unit test coverage, reducing issue resolution time by ~30%.
iMumz
Jun 20244 mosSep 2024

Bengaluru

Contributed to backend development of a wellness platform using Java, Spring Boot, and PostgreSQL. Built an internal tool for task management, scheduling, and CRM, adopted by a 100+ member team, from design through deployment. Implemented authentication and authorization with Spring Security.
Stanford University: Code In Place
Apr 20215 mosAug 2021

Completed Stanford's introductory CS course (CS106A) as part of a global volunteer-led program
GitHub
@SaielKharote
LeetCode
@saielk219

Saiel’s AI Stack

claude code
claude code
claude
claude
gemini
gemini
kiro
kiro
claudecode
claudecode
Amazon Q Developer
Amazon Q Developer

Education

Scaler

Software Engineering

Scaler

20212 yrs2023
Savitribai Phule Pune University

Bachelor's degree

Savitribai Phule Pune University

20174 yrs2021

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Headline

Backend Engineer @ OneCard (FPL Technologies) | Java, Spring Boot, Kafka, AWS | Building Event-Driven Microservices in Fintech | Open to Backend Engineer / Java Developer Roles

About

Backend Engineer with 2 years of experience building event-driven, multi-tenant microservices in fintech, currently at OneCard (FPL Technologies). I design REST APIs and backend services in Java and Spring Boot for core financial workflows serving multiple banking partners — including a multi-tenant architecture that improved performance consistency by ~40% and a self-serve test infrastructure platform that cut test cycle time from hours to minutes. Outside work, I'm building LedgerFlow, a distributed wallet and ledger system, and exploring agent harness engineering — designing the tools, memory, and feedback loops around LLMs to build reliable AI agents. One thing I find compelling: the right harness design can cut token costs significantly while still delivering top-tier responses, just by scoping tools to what the task actually needs. Open to Backend Engineer, Java Developer, and Software Engineer roles.

Location

Pune District

AI stack

claude code

claude

gemini

kiro

claudecode

Amazon Q Developer

Work experience

Backend Engineer at FPL Technologies, Sep 2024 - Present · 2 yrs, Pune District, Design and develop backend services and REST APIs in Java and Spring Boot for core financial workflows including onboarding, payments, and account operations, serving multiple banking partners. Architected a multi-tenant system with dynamic datasource routing and per-tenant data isolation, improving performance consistency by ~40% and eliminating noisy-neighbor issues. Built event-driven backend systems using Apache Kafka for real-time financial event processing, with reliable delivery and fault tolerance. Led consolidation of a large legacy workflow codebase into a unified Spring Boot-based engine, improving maintainability and deployment efficiency. Built an AI-powered feature enabling natural language querying over internal workflow data, reducing repetitive engineering requests from cross-functional teams. Designed and built a self-serve, ephemeral test infrastructure platform that provisions microservices and dependencies on-demand, cutting test cycle time by ~80% (2–3 hrs → ~20 mins). Built a large-scale API sanity test suite covering end-to-end onboarding flows, improving release reliability across multiple banking integrations. Refactored legacy code, strengthened observability and unit test coverage, reducing issue resolution time by ~30%.

SDE Intern at iMumz, Jun 2024 - Sep 2024 · 4 mos, Bengaluru, Contributed to backend development of a wellness platform using Java, Spring Boot, and PostgreSQL. Built an internal tool for task management, scheduling, and CRM, adopted by a 100+ member team, from design through deployment. Implemented authentication and authorization with Spring Security.

Student Trainee at Stanford University: Code In Place, Apr 2021 - Aug 2021 · 5 mos, Completed Stanford's introductory CS course (CS106A) as part of a global volunteer-led program

Education

Software Engineering, Scaler

Bachelor's degree, Savitribai Phule Pune University

Public links

github: https://github.com/SaielKharote

leetcode: https://leetcode.com/saielk219