Senior Angular Frontend Technology Lead

TAMIL AZHAGI AYYANATHAN

Charlotte, NC ************@*****.*** +1-839-***-****

PROFESSIONAL SUMMARY

● Senior Frontend Technology Lead with 11+ years of hands-on experience designing, developing, and scaling

enterprise-grade, accessible, and high-performance web applications across banking, finance, and retail

domains.

● Deep expertise in Angular (v4–v22), TypeScript, JavaScript (ES6+), HTML5, and CSS3, with strong command of

RxJS streams integrated seamlessly with NgRx selectors and effects.

● Proven track record designing modular, reusable components and implementing Micro Frontend architectures

for large-scale enterprise platforms.

● Integrated Angular applications with RESTful Java-based APIs, building HTTP client services with RxJS for efficient

API consumption, error handling, and retry mechanisms.

● Partnered with backend teams to define API contracts, request/response models, and error codes, and

implemented token-based authentication (OAuth/JWT) for secure enterprise API communication.

● Optimized frontend performance through lazy loading, API caching, and request batching, and integrated Splunk

logging/dashboards to trace frontend-to-backend transactions and speed up root-cause analysis.

● Extensive experience building responsive, mobile-first UIs with HTML5, CSS3, SASS/LESS, Bootstrap, and

Flexbox/Grid.

● Explored and implemented Agentic AI solutions to enhance frontend applications through intelligent user

interactions, contextual workflows, automated decision support, and dynamic UI experiences.

● Leveraged GitHub Copilot and AI-assisted development tools to accelerate code generation, refactoring, unit test

creation, debugging, documentation, and reusable component development, driving team-wide adoption of AI-

enabled engineering practices.

● Advanced skills in complex form-driven applications, including reactive forms, custom validators, dynamic

workflows, and state handling.

● Delivered ADA/WCAG-compliant applications, with hands-on testing using NVDA and JAWS, ARIA roles, and

keyboard navigation.

● Strong understanding of performance optimization techniques including lazy loading, change detection

strategies, and efficient component rendering.

● Hands-on experience with Jasmine and Karma for unit testing, ensuring high code quality and test coverage.

● Owned frontend CI/CD pipelines and release readiness, collaborating with DevOps teams using Jenkins, XL

Release, and environment promotion strategies.

● Proficient in Git-based version control, Agile/Scrum methodologies, and cross-functional collaboration across

large engineering programs.

● Proven ability to translate complex business requirements into intuitive user experiences while mentoring

engineers and driving frontend best practices across enterprise programs.

TECHNICAL SKILLS

Languages & Web Technologies: TypeScript JavaScript (ES6+) HTML5 CSS3

Frameworks & Libraries: Angular (v4–v22) AngularJS RxJS NgRx Bootstrap Angular Material jQuery

AI & Productivity Tools: Agentic AI GitHub Copilot AI-Assisted Development Prompt Engineering

APIs & Backend Integration: RESTful APIs Java Spring Boot OAuth JWT Micro Frontend Architecture

Development & Collaboration Tools: Git GitHub Maven Jenkins XL Release JIRA Confluence Checkmarx

Splunk

IDEs & Design Tools: Eclipse Visual Studio Code IntelliJ IDEA Figma Sketch InVision

Testing: Jasmine Karma

Accessibility: ADA/WCAG JAWS NVDA ARIA

Operating Systems: Windows macOS Linux

PROFESSIONAL EXPERIENCE

Infosys Ltd, Oct 2018 – Present

Technology Lead Client: Bank of America

● Led the design, development, and delivery of large-scale enterprise banking applications supporting critical

financial services, including account management, transaction processing, commercial card services, loan

origination, search capabilities, notifications, and customer support workflows.

● Designed and developed scalable Angular applications using Angular, TypeScript, HTML5, CSS3, RxJS, NgRx, and

Angular Material, delivering high-performance, responsive, and ADA/WCAG-compliant user experiences for

banking customers.

● Developed and enhanced Java Spring Boot REST APIs by implementing Controller and Service layer components

supporting account, transaction, notification, and business workflow integrations between frontend applications

and enterprise backend systems.

● Built and integrated RESTful APIs using Spring Boot, including endpoint development, request/response mapping,

service-layer implementation, exception handling, and integration with downstream banking systems.

● Collaborated with backend engineers, architects, product owners, and business stakeholders to define API

contracts, improve system design, and deliver secure, scalable solutions aligned with banking requirements.

● Architected Micro Frontend solutions enabling modular application development, independent deployments,

reusable components, and seamless integration across enterprise banking platforms.

● Designed scalable frontend architecture using feature-based modules, lazy loading, reusable component libraries,

shared services, and state management patterns to improve maintainability and performance.

● Developed the CashPro Search application, a high-volume enterprise banking solution supporting millions of user

searches and enabling efficient access to critical financial information and transaction data.

● Implemented complex banking workflows including commercial card requests, loan origination, customer

onboarding, eligibility validations, document management, and regulatory compliance-driven features by building

dynamic reactive forms with custom validations, business rules, conditional field rendering, save-and-resume

functionality, and robust error handling.

● Leveraged RxJS Observables, Subjects, and BehaviorSubjects to manage asynchronous data streams, API

interactions, real-time UI updates, search functionality, and dynamic form validations.

● Remediated security vulnerabilities identified through Checkmarx and SonarQube, and refactored legacy jQuery-

based components to eliminate Content Security Policy (CSP) risks and improve compliance with enterprise

security standards.

● Ensured accessibility and usability compliance across banking applications by implementing ADA/WCAG

standards and validating cross-browser compatibility using Sauce Labs.

● Managed CI/CD pipelines, application deployments, and Go-Live activities using Jenkins, XL Release, and Git, and

supported production operations by monitoring application health and troubleshooting via Splunk.

● Partnered with QA teams and Product Owners to drive regression testing, performance testing, UAT validation,

sprint acceptance, and successful production releases.

● Conducted technical design reviews, peer code reviews, and mentoring sessions to establish Angular best

practices, improve code quality, and guide junior developers.

● Leveraged GitHub Copilot and prompt engineering techniques to accelerate Angular component generation, API

integration, documentation, and unit test creation, delivering frequent production enhancements within strict

banking timelines.

Cogito Ergo Sum Software Solutions (India) Pvt Ltd, Dec 2017 – Sep 2018

Software Engineer Client: Local Restaurants

● Designed and developed responsive web applications and tablet-first interfaces supporting restaurant billing,

inventory management, food ordering, and reservation workflows.

● Built dynamic and reusable UI components using JavaScript, jQuery, HTML5, CSS3, and Bootstrap to deliver

intuitive, user-friendly experiences across multiple devices.

● Implemented customer-centric UI flows, dashboards, navigation patterns, and interactive features to improve

usability and streamline business operations.

● Optimized application layouts and user interactions through cross-browser compatibility testing, responsive

design enhancements, and multi-device validation.

● Collaborated with business stakeholders and product teams to gather requirements, refine UI/UX designs,

prioritize enhancements, and deliver features aligned with customer needs.

● Converted web applications into native mobile applications using Apache Cordova, enabling mobile accessibility

and consistent user experiences across platforms.

● Improved application usability by incorporating stakeholder and end-user feedback, continuously enhancing

workflows, performance, and overall product experience.

Selotsoft, Sep 2015 – Nov 2017

UI Developer Client: U.S. Online Voting/Engagement Platform

● Developed and enhanced AngularJS applications using Angular Material to deliver responsive, user-friendly web

experiences for a U.S.-based online engagement platform.

● Transformed UX designs from Sketch into W3C-compliant, responsive web pages by implementing reusable UI

components with HTML5, CSS3, and JavaScript.

● Built cross-browser compatible and responsive UI components optimized for performance and consistent user

experience across desktop and mobile devices.

● Implemented Material Design principles, reusable frontend components, and intuitive user interactions to

improve application usability and maintainability.

● Created proof-of-concepts (POCs) to validate technical solutions, explore new approaches, and support decision-

making during feature development.

● Collaborated with subject matter experts, designers, and stakeholders to refine requirements, validate solutions,

and deliver high-quality frontend applications.

EDUCATION

Bachelor of Technology in Information Technology — Anna University, India

CERTIFICATIONS & AWARDS

● Claude Certified Developer – Foundations (Anthropic)

● Claude Certified Associate – Foundations (Anthropic)

● Infosys Certified Angular Professional

● Infosys Certified Front-End Web Developer

● Delivery Ninja (Q3 FY22) – PPP Application

● Insta Awards (Q3 FY23, Q2 FY24, Q1 FY25) – Technical Leadership & Critical Business Initiatives

● Bank of the Year – Best Customer Experience (TMI 2025) for CashPro Search Application

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