Bala L, Developer in Madurai, India
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Bala L

Verified Expert  in Engineering

Software Developer

Madurai, India
Toptal Member Since
February 1, 2022

Balaji is a full-stack developer with 5+ years of experience developing web-based solutions. He specializes in ASP.NET Core and Angular framework-based applications. Balaji has delivered multiple applications for the digitalization of human resources and engineering processes and conducted app testing, deployment, and written unit tests. He understands how to translate customer requirements into scalable and responsive products.


EQS Group Inc.
Angular, JavaScript, CSS, HTML5, PHP, System Architecture, Team Mentoring...
ASP.NET Core, Angular, Entity Framework Core, jQuery, Flask, Azure DevOps, CSS...
ASP.NET MVC, jQuery, Angular, Entity Framework, ASP.NET Core, Python, HTML, CSS...




Preferred Environment

ASP.NET Core, Angular, Entity Framework Core, Full-stack, ASP.NET Core MVC, Python, MongoDB, PostgreSQL, React, Azure

The most amazing...

...solution I've developed is the desk booking app that helped users maintain social distancing at their workplace during COVID-19 restrictions.

Work Experience

Senior Angular Developer

2022 - 2022
EQS Group Inc.
  • Developed Angular library components using Angular 12+.
  • Developed web APIs using .NET Core and the Symfony framework.
  • Implemented logging, monitoring, and alerting for back-end services.
Technologies: Angular, JavaScript, CSS, HTML5, PHP, System Architecture, Team Mentoring, ASP.NET Core, RabbitMQ, Symfony, PDF, PDF Design, .NET, Microservices

Lead Developer | Deputy Manager

2020 - 2022
  • Led the team of 15+ developers and developed multiple human resource and engineering applications.
  • Planned, researched, and implemented high-level and low-level architecture.
  • Oversaw the whole workflow from development to deployment.
  • Managed the hiring and onboarding of developers.
  • Mentored developers and reviewed their source codes.
Technologies: ASP.NET Core, Angular, Entity Framework Core, jQuery, Flask, Azure DevOps, CSS, Docker, TypeScript, PostgreSQL, OAuth 2, MongoDB, Code Review, Technical Hiring, Team Management, SOLID Principles, Source Code Review, SignalR, Scrum, Web API, Agile Software Development, API Design, Domain-driven Design (DDD), HTML5, .NET

Senior Developer

2019 - 2020
  • Developed applications for the Human Resource management.
  • Gathered functional requirements. Used Azure DevOps for the user stories and bugs management.
  • Expanded the low-level and database entity design.
  • Involved the application deployment in Windows IIS Server.
  • Reviewed the source-code and wrote unit and integration tests.
  • Implemented a responsive design across serval target devices.
Technologies: ASP.NET MVC, jQuery, Angular, Entity Framework, ASP.NET Core, Python, HTML, CSS, Swagger, Object-oriented Programming (OOP), Flask, SQL, IIS, JavaScript, API Design, SQLite, .NET

Software Developer

2017 - 2019
  • Developed an application for the production tracking and plant maintenance.
  • Collaborated with the business team for the high-level requirement gathering.
  • Used genetic and particle swarm optimization algorithms.
Technologies: ASP.NET MVC, Microsoft SQL Server, JavaScript, HTML, CSS, jQuery, Python, ASP.NET


2015 - 2017
HCL Technologies
  • Developed applications for engineering processes digitalization and automation.
  • Assisted with application testing and deployment.
  • Automated product design processes and documentation.
Technologies: C#, JavaScript, HTML, CSS, VB.NET

Product Cost Estimation

An application for calculating the automotive production cost. This app provides the functionality to manage the operation cost for different production plants and machines and the cost formula's administration and cost estimation. I developed the WPF client to support offline calculations.


A web-based application for desk booking at R&D centers. We developed this application to maintain social distancing at the workplace. Administrators can manage the R&D centers, floor layouts, desk positions, status, and reporting. End users can reserve a desk and book for other users.

Welding Assistant

Optimization algorithm (Google Or-Tools)-based web app for welding process simulation. Integrated SVG-based 2D view to simulate the robot's movement


A web-based application for skills management, evaluation, and administration. HR and people managers can manage the skillsets and targets for different roles and evaluate the employee's skills. Management has the dashboard to identify the skill levels and gaps at team, project, and individual levels.

Product Validation App

A web-based solution for automotive product and process development validation. End users can monitor their product testing and validation plan in this app.

Intelligent Benchmarking

An app for intelligent benchmarking automotive products and viewing the product bill of material. Integrated deep learning-based reverse image search features. Integrated the 3D viewer for visualization.

CAD Automation

Automated ECE and FMVSS safety regulation validations in CATIA, Solid works and Siemens Nx software. Automated 3D geometry creation and drawing creations and thickness validation applications for automotive plastic products (interior products).

Design Assitant

An optimization algorithm (genetic and PSO)-based application for a plastic product design assistant.


C#, HTML, CSS, Python, TypeScript, JavaScript, SQL, Visual Basic for Applications (VBA), VB.NET, HTML5, PHP


ASP.NET Core, Angular, Entity Framework Core, ASP.NET Core MVC, .NET, ASP.NET MVC, .NET Core, Swagger, ASP.NET, Flask, OAuth 2, Windows Presentation Foundation (WPF), Symfony


jQuery, Entity Framework, Web API, SignalR, Azure Blob Storage API, React, SOLIDWORKS API


Scrum, Azure DevOps, Object-oriented Programming (OOP), Agile Software Development, Agile Project Management, Model View Viewmodel (MVVM), Microservices


Full-stack, Code Review, Technical Hiring, Team Management, Domain-driven Design (DDD), API Design, SOLID Principles, Optimization Algorithms, IIS, Source Code Review, SVG, Genetic Algorithms, 3D CAD, System Architecture, Team Mentoring, PDF, PDF Design


SonarQube, Git, SendGrid, CAD, SOLIDWORKS, RabbitMQ


Docker, Azure


MongoDB, PostgreSQL, Microsoft SQL Server, SQLite, LiteDB

2010 - 2014

Bachelor's Degree in Automotive Engineering

Anna University - Trichy, Tamil Nadu, India.


Agile Foundations


Collaboration That Works

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