Software Engineer

TASNEEM SAGHIR

669-***-**** ****************@*****.*** linkedin.com/in/tasneemsaghir San Jose, CA

PROFESSIONAL SUMMARY

Senior Full-Stack Engineer with 8+ years of experience designing and delivering production-grade applications using

TypeScript, Node.js, JavaScript, React.js, React Native, Java, and Spring Boot. Proven expertise building backend services

and RESTful APIs powering consumer-facing financial products at scale. Deep hands-on experience with Microservices

architecture, Agile/Scrum environments, cloud deployments on AWS, and observability-driven development using

monitoring and metrics platforms. Demonstrated ability to contribute across the full stack from backend service design

and API development to frontend React and React Native mobile application development delivering end-to-end product

experiences used by millions. Experienced in fintech and regulated financial systems with a track record of collaborating

cross-functionally with product managers, designers, and engineers to ship reliable, scalable software solutions. Skilled in

code reviews, mentoring engineers, and translating complex technical decisions into clear architectural explanations for

stakeholders and peers.

CORE COMPETENCIES

Full-Stack Application Development TypeScript & Node.js Backend Engineering React.js & React Native UI

Development RESTful API Design & Integration Microservices Architecture Consumer-Facing Product Engineering

Agile/Scrum Delivery CI/CD Pipeline Automation Cloud Infrastructure (AWS) Observability, Monitoring & Metrics-

Driven Development Fintech & Regulated Financial Systems Technical Mentorship & Code Review System

Architecture Design High-Volume Transaction Processing Event-Driven & Asynchronous Communication Database

Design (SQL & NoSQL) Cross-Functional Collaboration Scalable System Design

TECHNICAL SKILLS

Programming TypeScript, JavaScript (ES6+), Java (Java 8/11/17), Python, SQL, PL/SQL, HTML5, CSS3

Languages

Full-Stack Frameworks Node.js, React.js, React Native, Spring Boot, Spring MVC, Spring Core, Spring

Security, Hibernate, JPA, Express.js, Angular

Backend & APIs RESTful API Design, Microservices Architecture, SOAP Web Services, Apache Kafka,

RabbitMQ, JMS, Apache Camel, GraphQL, JSON, AJAX

Frontend & Mobile React.js, React Native, Angular, HTML5, CSS3, JavaScript, TypeScript, jQuery, Single

Page Applications (SPA), Responsive UI

Cloud & DevOps AWS (EC2, S3, Lambda, RDS), Pivotal Cloud Foundry (PCF), Docker, Kubernetes,

Jenkins CI/CD, Maven, Gradle, Git, GitHub Actions

Databases Oracle, MySQL, SQL Server, PostgreSQL, MongoDB, Cassandra, Redis, JDBC,

Hibernate ORM

Monitoring & Metrics-Driven Development, Application Performance Monitoring, Log4J, ELK Stack,

Observability Distributed Tracing, Datadog, CloudWatch

Tools & Platforms IntelliJ IDEA, Eclipse, Spring Tool Suite (STS), JIRA, Postman, SoapUI, Git/SVN,

Linux/Unix, Agile/Scrum

PROFESSIONAL EXPERIENCE

Senior Full-Stack Engineer Java & TypeScript Developer March 2023 Present

Huntington National Bank Houston, TX

Huntington National Bank is a leading U.S. financial institution providing retail and commercial banking services. The project

focused on designing, building, and scaling the Account Information System (AIS) a consumer-facing financial platform

responsible for managing customer account data, transaction processing, installment payment workflows, and financial

service operations across multiple banking modules serving millions of members. This engagement directly mirrors the

engineering challenges of building consumer credit products such as FlexCard, requiring full-stack development across

backend services, member-facing UI, and the underlying infrastructure that supports high-volume financial transactions in a

regulated fintech environment.

Designed and developed production-grade full-stack applications using TypeScript, Node.js, React.js, and Java,

delivering end-to-end consumer-facing product experiences for millions of banking members across account

management and transaction processing modules directly aligned with building scalable financial products like

FlexCard.

Built and maintained backend services and RESTful APIs using Node.js and Spring Boot powering consumer-facing

financial workflows including installment payment processing, account lifecycle management, and credit transaction

orchestration within a Microservices-based architecture.

Implemented TypeScript-based backend service layers and Express.js API endpoints supporting high-throughput

transaction processing, ensuring type-safe data contracts between frontend React components and backend service

modules.

Developed React.js frontend components and member-facing UI modules integrated with backend REST APIs,

enabling interactive account dashboards, real-time transaction updates, and seamless client-server data exchange

using AJAX, JSON, and asynchronous rendering patterns.

Built React Native mobile application features supporting cross-platform member experiences on iOS and Android,

enabling members to manage their financial accounts and track installment payments directly from mobile devices

closely analogous to FlexCard's daily-use mobile member experience.

Contributed across the full stack using TypeScript, Node.js, React, and React Native, delivering end-to-end product

experiences from backend API design through to consumer-facing mobile and web interfaces in an Agile/Scrum

environment with bi-weekly sprint cycles.

Implemented Microservices architecture patterns including service discovery, API gateways, and inter-service

communication using Apache Kafka and RabbitMQ, enabling reliable event-driven messaging and asynchronous

processing across distributed financial systems.

Integrated monitoring, observability, and metrics-driven development practices using application performance tools

and distributed logging platforms, enabling engineering teams to track system health, latency trends, and error rates

for core financial services in production.

Designed and optimized data access layers using Hibernate ORM, JDBC, and MongoDB, supporting efficient

interaction with Oracle relational databases and NoSQL data stores for high-volume customer transaction data and

financial record management.

Collaborated closely with product managers and designers to shape feature specifications for banking modules,

translating complex business requirements into scalable technical solutions and contributing to architecture

discussions and system design reviews.

Developed CI/CD pipeline integrations using Jenkins, Maven, and Git-based workflows, enabling automated build,

test, and deployment processes that reduced release cycle time and improved software delivery reliability for the

banking platform.

Participated in code reviews and technical discussions across the engineering team, providing constructive feedback

on TypeScript, Node.js, and React codebases, enforcing best practices, and contributing to improvements in overall

engineering quality.

Mentored junior engineers by pairing on complex backend service implementations, explaining system architecture

decisions, and helping the team grow proficiency in full-stack TypeScript and Node.js development patterns within a

fintech production environment.

Implemented Single Page Application (SPA) architectures using React.js integrated with backend REST services,

enabling dynamic UI rendering, real-time data updates, and efficient client-server data exchange for member-facing

banking dashboards.

Supported production incident resolution and system reliability improvements by analyzing application metrics,

investigating distributed service failures, and implementing fixes that reduced error rates and improved system

uptime for critical financial services.

Implemented role-based access control and security middleware using Spring Security and JWT-based

authentication, ensuring secure API access and data protection in compliance with financial industry regulatory

requirements.

Environment: TypeScript, Node.js, React.js, React Native, Java, Spring Boot, Spring Framework, Hibernate, Microservices,

RESTful APIs, Apache Kafka, RabbitMQ, Apache Camel, AngularJS, JavaScript, HTML5, CSS3, AJAX, JSON, Oracle, MongoDB,

AWS, Docker, Jenkins, Maven, Git, Linux/Unix, Agile/Scrum, Monitoring & Observability Tools.

Senior Software Engineer Full-Stack & Backend Engineering August 2022 February 2023

LinkedIn (Microsoft) Mountain View, CA

LinkedIn is a leading professional networking platform serving over 900 million members globally. This engagement focused

on designing and building an internal experimentation and release validation platform that enabled engineering teams to

safely deploy full-stack product changes, compare control and treatment variants at scale, and monitor system health

metrics before rolling out new features to production. The platform required building high-throughput backend services,

consumer-facing API integrations, and real-time monitoring pipelines using TypeScript, Node.js, React, Microservices

architecture, and cloud infrastructure building the same type of production engineering foundations required to launch

and scale a new fintech product like FlexCard from zero to millions of users.

Contributed to the design and development of a full-stack experimentation framework using TypeScript, Node.js, and

Microservices architecture, enabling controlled feature rollouts and reliable A/B experimentation across multiple

production services serving millions of members experience directly applicable to scaling FlexCard from launch

through growth.

Developed backend services and RESTful APIs using Node.js and Java to support experiment configuration, variant

management, and real-time data collection, enabling engineering teams to validate new product releases using

metrics-driven development before full-scale rollout.

Built TypeScript-based backend service components with Express.js, implementing scalable API endpoints that

supported distributed experimentation workflows, incremental traffic ramp-up, and controlled feature exposure

across LinkedIn's production environment.

Developed React.js frontend dashboards and data visualization components enabling product and engineering teams

to monitor experiment results, review performance metrics, and make data-driven decisions about feature releases

in real time.

Implemented observability, monitoring, and metrics-driven development practices by integrating backend services

with logging platforms and performance monitoring tools, capturing latency, throughput, and error rate data across

multiple deployment variants to validate system health.

Integrated backend services with CI/CD pipelines using Jenkins and Git-based workflows, enabling automated

deployment, continuous experiment validation, and streamlined release processes contributing to the engineering

quality and deployment reliability of production systems.

Collaborated with DevOps teams to support automated build, deployment, and monitoring pipelines, ensuring

reliable integration between the experimentation infrastructure and production cloud systems deployed on AWS.

Participated in system design discussions and architecture reviews, contributing to scalable service design and clearly

explaining technical decisions to cross-functional engineering, product, and infrastructure partners.

Built scalable service modules to support distributed experimentation workflows including incremental traffic ramp-

up and controlled feature exposure, reducing production deployment risks and enabling gradual adoption of new

product features at scale.

Collaborated with cross-functional engineering and product teams to debug production issues, improve platform

stability, and enhance experiment evaluation workflows, applying strong problem-solving skills to identify root

causes and implement reliable fixes.

Worked with monitoring and logging platforms to capture and analyze experiment metrics, enabling end-to-end

visibility into system health and feature performance across different deployment variants and production

environments.

Mentored team members on TypeScript and Node.js backend development patterns, conducted code reviews, and

contributed to technical discussions that improved overall engineering quality and code reliability across the

experimentation platform.

Environment: TypeScript, Node.js, React.js, Java, Microservices Architecture, RESTful APIs, Distributed Systems, CI/CD

Pipelines, Jenkins, Git, GitHub, AWS, Linux, JSON, Monitoring & Logging Tools, Agile/Scrum, Cloud Infrastructure,

Observability Platforms.

Software Engineer Full-Stack Java & Web Developer December 2017 August 2021

Conduent Business Services India

Conduent Business Services provides digital platforms and operational services for government and commercial

organizations. This project involved designing, developing, and scaling Maven an enterprise healthcare platform used by

multiple clients to manage healthcare services, reporting, and operational workflows. During the COVID-19 pandemic, the

platform was rapidly enhanced with public health management modules across multiple U.S. states, requiring high-

availability backend services, full-stack development, and performance-optimized data processing supporting millions of

transactions under critical healthcare delivery conditions. This experience built a strong foundation in building reliable,

scalable consumer-facing applications in regulated environments directly applicable to engineering FlexCard's credit and

installment payment infrastructure.

Contributed to the design and development of enterprise-grade full-stack applications using Java, Spring Framework,

JavaScript, HTML5, CSS3, and Hibernate delivering scalable backend services and interactive frontend modules

integrated with REST APIs supporting multiple external enterprise customers across regulated healthcare and

government environments.

Developed backend services and REST-based API integrations using Spring Boot and Spring MVC, supporting

healthcare workflow management, data processing, and reporting operations building strong backend API

engineering skills directly applicable to designing FlexCard's installment payment and credit management services.

Implemented business logic and service modules using Core Java, Spring MVC, and Hibernate ORM, enabling reliable

high-volume data processing, transactional integrity, and scalable service interactions within a production

Microservices-based application architecture.

Built frontend modules and user interface components using JavaScript, HTML5, CSS, and JSP, enabling responsive

member-facing interfaces and seamless interaction with backend REST services paralleling the frontend

engineering work required to deliver FlexCard's consumer UI and spending management dashboards.

Integrated UI components with RESTful APIs and backend service layers, enabling dynamic data rendering and

improving the usability and responsiveness of operational dashboards used by millions of healthcare service

consumers.

Led performance optimization initiatives by analyzing application bottlenecks, refactoring backend service logic, and

improving build and deployment workflows achieving a 97.92% reduction in application setup and build time,

significantly improving engineering productivity and CI/CD pipeline efficiency.

Improved reporting engine efficiency by optimizing backend data processing pipelines and SQL query performance,

reducing report generation time by approximately 62% across multiple reporting modules demonstrating strong

ability to improve the reliability and performance of core services through thoughtful architecture and metrics-driven

optimization.

Worked extensively with relational databases including Oracle and MySQL, designing schemas, writing optimized SQL

queries, and improving database interaction performance for large-scale enterprise data processing and financial

reporting operations.

Integrated backend systems with CI/CD pipelines using Jenkins, Maven, and Git-based workflows, enabling

automated builds, continuous testing, and streamlined deployment processes supporting agile software delivery

across multi-team engineering environments.

Participated in Agile/Scrum delivery environments, contributing to sprint planning, technical design discussions, and

cross-functional team collaboration to deliver stable production-ready software releases on iterative delivery

schedules.

Conducted code reviews and participated in technical discussions, providing feedback on Java and JavaScript

codebases and contributing to improvements in engineering quality, code maintainability, and system architecture

across the platform.

Supported production debugging, defect resolution, and system reliability improvements, collaborating with QA and

operations teams to diagnose root causes, implement fixes, and maintain high platform uptime for mission-critical

healthcare services during peak COVID-19 response operations.

Designed and implemented data access layers using Hibernate ORM and JDBC enabling efficient interaction with

Oracle and SQL-based systems, supporting complex data retrieval, transaction management, and schema

optimization for high-volume healthcare data processing.

Environment: Java, J2EE, Spring Boot, Spring MVC, Hibernate, REST APIs, JSP, JavaScript, HTML5, CSS3, Oracle, MySQL, SQL,

Maven, Git, Jenkins, Linux/Unix, Microservices, Agile/Scrum, CI/CD Pipelines.

EDUCATION

Master of Computer Applications (MCA), Computer Science Sikkim Manipal University, Gangtok

Bachelor of Computer Applications (BCA), Computer Programming Integral University, Lucknow, UP

Post Graduate Diploma in Digital Media Computing (DMC) Centre for Development of Advanced Computing (C-DAC)

CERTIFICATIONS

Oracle Certified Professional (OCP) Oracle Corporation Validated expertise in Java and database technologies

foundational to backend service engineering and production-grade API development.

Complete Web & Mobile Designer: UI/UX, Figma, and More Advanced full-stack design and frontend development

certification supporting end-to-end product experience delivery from UI design through React and React Native

implementation.

ADDITIONAL TECHNICAL PROFICIENCIES

TypeScript Node.js React.js React Native JavaScript Java Python Full-Stack Engineering Backend Services

RESTful API Development Microservices Architecture Consumer-Facing Product Development Fintech Engineering

Payments & Credit Systems Buy Now Pay Later (BNPL) Installment Payment Processing Financial Platform

Development Spring Boot Spring MVC Hibernate AWS Docker Kubernetes CI/CD Jenkins Git Agile Scrum

MongoDB Oracle MySQL SQL Apache Kafka RabbitMQ Event-Driven Architecture Monitoring & Observability

Metrics-Driven Development Code Review Technical Mentorship System Architecture Scalable Distributed Systems

HTML5 CSS3 SPA Angular AJAX JSON IntelliJ IDEA JIRA Postman Linux Production Engineering High-

Growth Startup Engineering Regulated Financial Systems

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