Mamta Leel

Backend Engineer

Bengaluru, Karnataka, India4 yrs 11 mos experience

Key Highlights

Built high-throughput APIs with 99.99% uptime.
Expert in Java, Spring Boot, and Microservices.
Led multichannel communication layer for fintech.

Stackforce AI infers this person is a Backend Engineer specializing in Fintech solutions with a focus on high-performance systems.

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Skills

Core Skills

Amazon Web Services (aws)JavaApache KafkaSpring BootWeb DevelopmentMachine LearningNode.jsReact.jsFull-stack DevelopmentMern Stack

Other Skills

AWS LambdaAgile & Waterfall MethodologiesAgile MethodologiesAlgorithmsAmazon Simple Notification Service (SNS)Back-End Web DevelopmentC++Cascading Style Sheets (CSS)Continuous Integration and Continuous Delivery (CI/CD)Core JavaData StructuresDatabasesDesignFront-End DevelopmentFunctional Testing

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

Experience

4 yrs 11 mos

Total Experience

1 yr 2 mos

Average Tenure

10 mos

Current Experience

Capmint

Software Developer

Aug 2025 – Present · 10 mos · Bengaluru, Karnataka, India · Hybrid

Engineered and led the multichannel communication layer (SMS, Email, Push Notifications) to establish a robust and scalable messaging backbone.
Currently responsible for architecting and integrating new payment methods, enhancing the system’s transaction flow and financial interoperability.

Amazon Web Services (AWS)JavaMySQLTeamworkAmazon Simple Notification Service (SNS)SES+2

Natwest group

SDE / Senior Analyst

Jul 2023 – Aug 2025 · 2 yrs 1 mo · Bengaluru, Karnataka, India · Hybrid

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.*

DatabasesBack-End Web DevelopmentApache KafkaSoftware DevelopmentOpenAPILow-Level Design+15

Samsung r&d institute india

Software Engineer

Jan 2023 – Jun 2023 · 5 mos · India · On-site

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.

Web DevelopmentMachine LearningObject-Oriented Programming (OOP)

Centre of training & placement,nit jalandhar

2 roles

Placement Coordinator

Jun 2022 – Jun 2023 · 1 yr · Jalandhar, Punjab, India

Problem Solving

Internship Coordinator

Jun 2021 – Jun 2022 · 1 yr · Jalandhar, Punjab, India

Trando

Back End Developer

Mar 2022 – Dec 2022 · 9 mos · Jalandhar, Punjab, India

Developed E-commerce website.
Used Node.js, React.js, express.js

Node.jsReact.jsMERN Stack

Grado edu.

Frontend Developer

Jan 2022 – Mar 2022 · 2 mos · Jalandhar, Punjab, India

Built the official website for Grado using the MERN stack. Gained valuable experience in team collaboration and management throughout the development process

Responsive Web DesignWeb ApplicationsFull-Stack DevelopmentCascading Style Sheets (CSS)MERN StackTeam Leadership