Software Developer · Reston, VA

Rajen
Tandel

Full-stack engineer specializing in Angular, AWS cloud infrastructure, and agentic AI systems. I build things that scale and write about the craft.

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6+ Years building
production software
4 Companies shipped
for, B2B & enterprise
∞ AWS services
learned the hard way
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Angular TypeScript Node.js Python Java AWS Lambda API Gateway Amazon ECS Amazon SQS EC2 Electron MongoDB Redis Nginx GitHub Admin Agentic AI Angular TypeScript Node.js Python Java AWS Lambda API Gateway Amazon ECS Amazon SQS EC2 Electron MongoDB Redis Nginx GitHub Admin Agentic AI
01

Experience

Bcore
Software Developer
Feb 2023 — Present
Reston, VA
  • Design and build responsive Angular applications from the ground up, focusing on user experience and cross-device compatibility.
  • Developed a web application using Angular and Python, integrating OCR (Pytesseract) to extract text from images.
  • Deploy and manage applications on AWS infrastructure, utilizing Nginx web servers and EC2 instances.
  • Orchestrate containerized applications using Amazon ECS, streamlining deployment and improving scalability.
  • Administer GitHub Enterprise, manage Lambda functions, API Gateways, and an evolving EC2 fleet.
  • Rebuilding a legacy desktop application as an Electron app with a modern Angular UI.
The Swift Group
Application Developer
Apr 2022 — Jan 2023
Reston, VA
  • Developed and maintained a full-stack MEAN (MongoDB, Express.js, Angular, Node.js) web application.
  • Implemented user-requested features ensuring alignment with business objectives and user needs.
  • Ensured applications met UI Accessibility Standards and promoted the use of ARIA attributes.
  • Maintained and customized a SharePoint site for internal team use.
Qvine
Software Engineer
Reston, VA
  • Contributed to the development of a production Angular application.
  • Maintained two Java Maven applications, ensuring robust dependency management and streamlined build processes.
  • Implemented Redis caching solutions, improving application performance and reducing database load.
Altron Inc.
Software Engineer II
Manassas, VA
  • Developed and maintained enterprise-level Java applications.
  • Engineered XSLT transformations for efficient data ingestion and content updates.
  • Optimized Oracle database queries and stored procedures for improved performance.
  • Designed and implemented a responsive user interface using the ExtJS framework.
02

Writing

AWS

This is a Test Post.

Inheriting a cloud environment with no tags, no naming conventions, and no documentation. Here's how to start making sense of it.

April 2026 →
03

Work

01

OCR Document Processor

A web application that extracts text from uploaded images using Pytesseract, built with Angular on the frontend and a Python/Flask backend. Deployed on AWS EC2 behind Nginx.

Angular Python Pytesseract AWS EC2 Nginx
02

Electron Desktop App Migration

Reimplementing a legacy desktop application as a cross-platform Electron app with a modern Angular UI, significantly reducing maintenance burden and enabling web-based deployment paths.

Electron Angular TypeScript Node.js
03

MEAN Stack Platform

Full-stack web application at The Swift Group, built on MongoDB, Express, Angular, and Node.js. Implemented WCAG-compliant accessibility standards throughout the UI layer.

MongoDB Express.js Angular Node.js ARIA
04

AWS Data Pipeline

Designed and maintained event-driven data pipelines using Amazon SQS and ECS, enabling reliable asynchronous data processing and clean service integration across a distributed system.

Amazon SQS Amazon ECS Lambda API Gateway
04

Contact

"Let's build something that holds up."

Website rajentandel.com GitHub github.com/rajentandel LinkedIn linkedin.com/in/rajentandel Email rajen@rajentandel.com