Ishpreet Kaur

Senior Software Engineer

Gurugram, Haryana, India5 yrs 4 mos experience

Key Highlights

Led development of a high-impact billing system for Axis Bank.
Expert in building scalable microservices in fintech.
Proven track record in delivering production-grade solutions.

Stackforce AI infers this person is a Backend-heavy Fintech Engineer with expertise in scalable microservices.

Contact

Skills

Core Skills

MicroservicesSystem DesignWeb DevelopmentBackend Development

Other Skills

Amazon SQSApache KafkaBack-End Web DevelopmentBootstrapC (Programming Language)CSS3Cascading Style Sheets (CSS)Customer RequirementsData StructuresDatabasesDesign PatternsDistributed SystemsDockerExtract, Transform, Load (ETL)Front-End Development

About

Experienced Senior Software Engineer with 4.8 years of experience designing and developing high-performance backend systems in the fintech and payments domain. I specialize in building scalable microservices using Java, Spring Boot, MyBatis, Kafka, Redis, and MySQL, with a strong focus on system reliability, distributed processing, and low-latency transaction flows. Currently working as a Senior SDE at Freecharge (Axis Bank Subsidiary), where I’ve led end-to-end development of secure, transaction-based billing systems and contributed to both high-level and low-level design decisions. My responsibilities include architecting microservices, optimizing database performance, code reviews, and mentoring interns to ensure clean and maintainable solutions. I’m deeply passionate about scalable system design, fault-tolerant architectures, and fintech innovation, and have a proven track record of delivering reliable, production-grade solutions in regulated environments. 🚀 Currently serving notice period — last working day: 19th December 2025. Open to Senior Backend Engineer or SDE III roles in fintech or global product companies building their India tech presence. Tech Stack: Java | Spring Boot | MyBatis | Kafka | Redis | MySQL | Hibernate | Microservices | Distributed Systems | System Design

Experience

5 yrs 4 mos

Total Experience

2 yrs 11 mos

Average Tenure

2 yrs 5 mos

Current Experience

Freecharge

Senior Software Development Engineer

Jan 2024 – Present · 2 yrs 5 mos · Gurugram, Haryana, India · Hybrid

Built Axis Bank’s Account Billing System from scratch, now live in production — preventing annual revenue leakage of INR 150 Cr (~USD 18 M) through real-time, transaction-level charging.
Architected and implemented secure, real-time billing microservices ensuring financial accuracy, regulatory compliance, and high availability across millions of transactions.
Developed robust API authentication with request-based hash validation (timestamp + client key + password) to enhance data integrity and system security.
Engineered and optimized transaction-intensive microservices using Java, Spring Boot, Kafka, Redis, MySQL, Vault, and MyBatis, improving throughput and latency under high load.
Delivered large-scale bulk rule ingestion for the Rule Management System (RMS) — processing 100 K+ rules per file received from dashboard services via Kafka pipelines for validation and persistence.
Owned end-to-end module delivery, from HLD/LLD design to deployment and monitoring, ensuring production-grade resilience and scalability.
Mentored interns, reviewed pull requests, and drove architecture and code-quality standards across services.
Collaborated closely with product, QA, and DevOps teams to deploy business-critical fintech solutions with zero downtime and high transaction reliability.

JavaSpring BootMyBatisKafkaRedisMySQL+3

Tata consultancy services

System Engineer

Feb 2021 – Jan 2024 · 2 yrs 11 mos · Pune, Maharashtra, India

Deutsche Bank – Web Portal for User Activity Monitoring
Developed a web analytics and monitoring portal to track user activities across Deutsche Bank’s product servers, providing insights and compliance visibility to administrators.
Built Spring Boot-based backend APIs for data processing, business logic, and secure integration with databases.
Designed a responsive frontend using HTML5, CSS3, JavaScript, and Bootstrap, improving usability and reducing manual monitoring effort.
Delivered a secure, scalable, and maintainable solution through close collaboration with the client’s IT and compliance teams.
Credit Suisse – Market Risk Feeds & Java Enhancements (7 months)
Contributed to Market Risk Feeds, supporting value-at-risk (VaR) calculations and market exposure analysis for institutional clients.
Enhanced Java-based applications in alignment with client requirements, improving reliability and system performance.
Modified and optimized ETL workflows and mappings in Informatica PowerCenter 10.x to onboard new data sources and improve feed efficiency.
Conducted unit testing, data validation, and production support using Unix, PL/SQL, and Git, ensuring data accuracy and process compliance.
Technologies: Java, Spring Boot, HTML5, CSS3, JavaScript, Bootstrap, Informatica PowerCenter 10.x, Unix, PL/SQL, Git