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Senior
Registration: 15.04.2026

Calvin Nguyen

Specialization: Frontend Engineer
— Senior Frontend Engineer with 10+ years building data-intensive enterprise web applications. — Deep Angular (v7–v21), TypeScript/JavaScript, and RxJS/NgRx experience with platform modernization, secure auth (OAuth/SAML), API integration, real-time data delivery, and data visualization (D3/Apache ECharts/Canvas).
— Senior Frontend Engineer with 10+ years building data-intensive enterprise web applications. — Deep Angular (v7–v21), TypeScript/JavaScript, and RxJS/NgRx experience with platform modernization, secure auth (OAuth/SAML), API integration, real-time data delivery, and data visualization (D3/Apache ECharts/Canvas).

Skills

Angular (7-21)
React
TypeScript
JavaScript
RxJS
NgRx
Bootstrap
D3.js
Apache ECharts
Canvas
Node.js
Express
Python
Django
Flask
REST API
Server-Sent Events
WebSockets
Socket.io
SQL
MongoDB
Firebase
AWS
GitHub
Jira
Elasticsearch
Karma
Jasmine
Figma
IBM Sterling Integrator
Ipswitch MOVEit DMZ
SAP ECC / SAP PI / SAP-DP
EDI
RosettaNet

Work experience

Senior Frontend Engineer
06.2021 - 02.2026 |PeerNova
HTTP, AWS S3, Angular, RxJS, OAuth, SAM, SSE, WebSockets
● Co-designed reusable HTTP client services, API architecture, and an AWS S3 upload UI supporting valuation risk and metadata workflows. ● Built configurable file upload and upload-configuration workflows with pagination to improve handling of large metadata sets, streamline validation, and support AWS S3-backed document ingestion. ● Designed and built a dataset builder platform enabling users to map fields, define transformations, and validate data for analytics pipelines, reducing manual dataset configuration and improving data reliability. ● Built metadata maintenance workflows using Angular services and RxJS-based state management for export/import, delete/restore, and cross-environment transport of metadata assets, improving operational efficiency for support and release processes. ● Shipped multiple releases for Cuneiform for Valuation Risk, collaborating closely with product, platform, and backend teams to deliver fair-value estimation, scenario and trend analysis, price backtesting, and valuation risk workflows for financial institutions. ● Designed and implemented secure authentication for front-end apps using OAuth, SAML, and related identity technologies, supporting enterprise client security requirements. ● Implemented real-time analytics updates using SSE and WebSockets so dashboards reflect pricing and reference data changes instantly without page refreshes.
Frontend Engineer
07.2017 - 06.2021 |PeerNova
RESTful API, CRM, Salesforce, Angular, Figma
● Built core UI features and partnered with backend teams to integrate RESTful APIs, helping establish the foundation for CRM (Salesforce) and Data Cloud applications. ● Led modernization of the Cuneiform Platform UI from jQuery/Node.js to Angular, improving maintainability and accelerating delivery across analytics dashboards used by financial institution clients. ● Optimized performance of data-intensive analytics dashboards and large data tables by improving Angular and NgRx state management patterns, minimizing unnecessary DOM updates, and reducing redundant UI re-renders, enabling responsive interaction with large financial datasets. ● Drove migration to Angular 7 and successive upgrades through Angular 21, reducing frontend technical debt and enabling faster iteration across dashboards and workflow-heavy screens. ● Delivered client demos and proof-of-concepts, using Figma mockups and responsive UI patterns to shorten feedback loops and improve stakeholder adoption.
Senior Software Engineer
06.2007 - 08.2016 |Maxim Integrated
SAP, B2B
● Drove acquisition and rollout of Ipswitch MOVEit DMZ and Central modules for the company's first Managed File Transfer (MFT) system, leading design, execution, and production rollout. ● Designed and developed business processes and mappings on IBM Sterling Integrator to connect SAP systems for Procure-to-Pay, Accounting, and Corporate Finance workflows. ● Supervised 5-10 offshore B2B developers for project tracking and daily support, reducing an approximately two-year backlog to a manageable quarterly scope. ● Coordinated with project managers, business analysts, and SAP teams to onboard B2B initiatives including trading partners, Workday integrations, E2Open reporting, and Hybris e-commerce replacement.

Educational background

Computer Science (Bachelor’s Degree)
California State Polytechnic University

Languages

EnglishAdvanced