Mamta Leel profile photo 1 on Tal

Mamta Leel

SDE2 @Amazon | Ex- Capmint, Natwest Group,Samsung | NIT Jalandhar | System Design | Problem Solving |

Bengaluru

5+ years of work experience

Amazon
Feb 20267 mosPresent

Gurugram, Haryana, India

CapMint
Sep 20256 mosFeb 2026

Bengaluru, Karnataka, India

* Engineered and led the multichannel communication layer (SMS, Email, Push Notifications) to establish a robust and scalable messaging backbone. * Responsible for architecting and integrating new payment methods, user payment settlements enhancing the system’s transaction flow and financial interoperability. * Integrated the NSDL protean API integration for smooth user Onboarding ( Aadhar & Pan Verifications).
NatWest Group
Jul 20232 yrs 3 mosSep 2025

Bengaluru, Karnataka, India

* Empowered customers with real-time data capabilities with enabled seamless event processing to support faster decision-making and improved service delivery. * Enhanced reliability and resilience with ensured uninterrupted data flow, minimizing errors and maintaining data integrity for critical business operations. * Drove better customer experiences with supported faster fraud detection, personalized recommendations, and real-time transaction insights, helping businesses stay agile and customer-focused.*
Samsung R&D Institute India
Jan 20236 mosJun 2023

India

* Built an Application Performance Management tool using ReactJS, Python, MongoDB, Chart.js, enabling leadership to monitor and analyze mobile app performance with intuitive visual dashboards. * Delivered actionable insights by visualizing key performance metrics, supporting data-driven decisions to enhance application reliability and user experience.
Centre of Training & Placement,NIT Jalandhar
Jun 20221 yr 1 moJun 2023

Jalandhar, Punjab, India

Centre of Training & Placement,NIT Jalandhar
Jun 20211 yr 1 moJun 2022

Jalandhar, Punjab, India

Mamta’s AI Stack

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langchain
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Education

Dr B R Ambedkar National Institute of Technology, Jalandhar

Bachelor of Technology - BTech, Computer Science

Dr B R Ambedkar National Institute of Technology, Jalandhar

20194 yrs2023

Matriculate

Mehta Public Senior secondary school , Jaipur

20161 yr2017

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Headline

SDE2 @Amazon | Ex- Capmint, Natwest Group,Samsung | NIT Jalandhar | System Design | Problem Solving |

About

I’m a backend engineer specializing in Java, Spring Boot, Kafka, and designing resilient system architectures. Over 3 years, I built high-throughput APIs serving fintech platforms with 99.99% uptime and minimized latency. Always exploring backend challenges in product-driven and fintech firms. 💡 Core Strengths: • Java, Spring Boot, REST APIs, Microservices • Low-Level Design (LLD), High-Level Design (HLD), SOLID Principles • Spring Batch, Multithreading, Concurrency, Event-Driven Systems • Drools-based rule engine (agenda-group & YAML-driven validation) • Databases: MySQL, MongoDB | Messaging: Kafka • CI/CD, Git, Docker, Unit Testing, Performance Tuning • Strong understanding of DSA, DBMS, OOPs, Operating Systems 🎓 B.Tech in Computer Science | NIT Jalandhar 🏢 Senior Analyst @ NatWest | Ex-Samsung R&D Intern

Location

Bengaluru

AI stack

claude code

codex

deepseek

kiro

langchain

langfuse

Work experience

SDE-2 at Amazon, Feb 2026 - Present · 7 mos, Gurugram, Haryana, India

Software Engineer at CapMint, Sep 2025 - Feb 2026 · 6 mos, Bengaluru, Karnataka, India, * Engineered and led the multichannel communication layer (SMS, Email, Push Notifications) to establish a robust and scalable messaging backbone. * Responsible for architecting and integrating new payment methods, user payment settlements enhancing the system’s transaction flow and financial interoperability. * Integrated the NSDL protean API integration for smooth user Onboarding ( Aadhar & Pan Verifications).

Software Engineer at NatWest Group, Jul 2023 - Sep 2025 · 2 yrs 3 mos, Bengaluru, Karnataka, India, * Empowered customers with real-time data capabilities with enabled seamless event processing to support faster decision-making and improved service delivery. * Enhanced reliability and resilience with ensured uninterrupted data flow, minimizing errors and maintaining data integrity for critical business operations. * Drove better customer experiences with supported faster fraud detection, personalized recommendations, and real-time transaction insights, helping businesses stay agile and customer-focused.*

Software Engineer at Samsung R&D Institute India, Jan 2023 - Jun 2023 · 6 mos, India, * Built an Application Performance Management tool using ReactJS, Python, MongoDB, Chart.js, enabling leadership to monitor and analyze mobile app performance with intuitive visual dashboards. * Delivered actionable insights by visualizing key performance metrics, supporting data-driven decisions to enhance application reliability and user experience.

Placement Coordinator at Centre of Training & Placement,NIT Jalandhar, Jun 2022 - Jun 2023 · 1 yr 1 mo, Jalandhar, Punjab, India

Internship Coordinator at Centre of Training & Placement,NIT Jalandhar, Jun 2021 - Jun 2022 · 1 yr 1 mo, Jalandhar, Punjab, India

Education

Bachelor of Technology - BTech, Computer Science, Dr B R Ambedkar National Institute of Technology, Jalandhar

Matriculate, Mehta Public Senior secondary school , Jaipur