Role: Senior Front End Developer

VISA: USC

Mode: Remote

Senior Front End Developer Responsibilities:

Owning and maintain the legacy AngularJS + Node.js stack, while planning and executing upgrades to newer Angular frontend versions.
Upgrading Angular and Node.js libraries across major and minor versions, resolve package conflicts, and enforce coding best practices.
Refactoring large, monolithic legacy modules into maintainable, modular components.
Designing, implement, and optimize APIs using Express.js for AngularJS/Angular apps.
Developing and maintain AWS integrations via the AWS JavaScript SDK: Cognito, S3, SES, Secrets Manager, EC2, Config, etc.
Developing future integrations with Okta SSO.
Having a strong understanding of access & authorization, JWT, claims, roles & permissions, and secure frontend application design.
Extending and enhance features that rely on Excel report generation, custom queueing systems, and ETL jobs.
Working directly with pm2-based queue servers and cron-based scheduling, including large-memory reporting servers used for month-end and payfile processes.
Managing queue scaling across small and large queue configurations, ensuring memory efficiency for Excel-heavy processes.
Collaborating with backend, database, and DevOps engineers to ensure consistent architecture and secure integrations.
Having experience with different types of AngularJS hosting on AWS EC2, Elastic Beanstalk, Amplify, and container-based deployments (e.g., OpenShift).
Mentoring team members on AngularJS, Node.js, AWS SDK, and testing best practices

Senior Front End Developer Required Skills:

7+ years of direct hands-on development with AngularJS and Node.js applications.
Must have personally built apps from scratch and also inherited/refactored legacy apps.
Proven expertise in upgrading Angular/Node.js dependencies, fixing library conflicts, and migrating between versions.
Extensive, hands-on expertise with Express.js, including:
Designing and maintaining RESTful APIs for AngularJS/Angular apps.
Session/state management and secure cookie handling.
Middleware design for logging, security, and performance.
Authentication flows: JWT, Cognito-Express, role/claims enforcement.
Deep experience with the AWS JavaScript SDK (v3+):
Cognito (auth, federated login, tokens)
S3 (uploads, signed URLs, static hosting)
SES (transactional/mime email delivery)
Secrets Manager (secure credential management)
EC2 + Config Service (cloud integrations)
Deep experience consuming and integrating data from multiple APIs and SQL sources.
Experience with Salesforce APIs.
Solid experience with Excel/reporting libraries:
Exceljs, xlsx-populate, Handling CSV/XLSX ingestion and generation.
Direct experience with custom queue servers:
pm2 configuration and management.
Cron-based scheduling of imports, reports, and ETL.
Scaling queue processes across small/large server configurations for month-end reporting.
Database driver experience: MySQL, MSSQL, PostgreSQL.
Strong grasp of Angular 17+, RxJS, and modern Angular testing frameworks (Karma, Jasmine, Protractor).
UI frameworks: PrimeNG, PrimeFlex, Quill, File-Saver

Remote work,