Full Stack .Net Developer

Hallmark Systems; Hyderabad; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Hallmark Systems in Hyderabad, India seeks a skilled software engineer to design and implement scalable full stack web applications using C, ASP.NET, JavaScript, and TypeScript. You will build RESTful APIs, modern frontend components, and robust data access layers while mentoring juniors.

Join a cross functional team delivering client solutions with emphasis on performance, security, and reliable production support in a fast paced environment.

Qualifications

• Proficient in C, JavaScript, and TypeScript.
• Experience with ASP.NET MVC 5, Web API, Web Forms, WCF, and OWIN.
• Frontend tech: Razor, cshtml, aspx, jQuery, KnockoutJS, AngularJS.
• Data access with Entity Framework 6.x and ADO.NET, SQL Server.
• API integration using RESTful APIs and RestSharp; WCF services.
• Security and authentication using SAML, OpenID Connect, MSAL.
• Strong debugging, problem solving, and teamwork skills.

Responsibilities

• Collaborate with cross functional teams to analyse business requirements and design scalable solutions
• Act as the primary technical point of contact for client engagements ensuring successful delivery
• Investigate troubleshoot and resolve complex data system and software issues in the production environment
• Architecture Development Design build and maintain scalable full stack web applications using C ASPNET JavaScript and TypeScript
• Technical Leadership Lead code reviews mentor junior engineers and participate in architectural decisions for legacy modernization and framework upgrades

Skills

C

JavaScript

TypeScript

Agile Scrum

Problem solving

Team collaboration

Communication

Tools

ASP.NET MVC 5

Web API

WCF

OWIN

Entity Framework 6.x

ADONET

RestSharp

log4net

Job description

• Collaborate with cross functional teams to analyse business requirements and design scalable solutions
• Act as the primary technical point of contact for client engagements ensuring successful delivery
• Investigate troubleshoot and resolve complex data system and software issues in the production environment
• Architecture Development Design build and maintain scalable full stack web applications using C ASPNET JavaScript and TypeScript
• API Integration Build and consume RESTful APIs and legacy services WCF using ASPNET Web API Rest Sharp and OWIN middleware
• Frontend Enhancement Develop dynamic UI components using Razor pages legacy ASPNET Web Forms jQuery Knockoutjs and AngularJS
• Database Management Optimize database architecture write high performance SQL queries and implement data access layers via Entity Framework 6x and ADONET
• Identity Security Implement secure authentication and authorization flows utilizing SAML OpenID Connect MSAL and Microsoft Identity Model
• Monitoring Support Manage application logging and telemetry using log4net and Application Insights to ensure optimal performance and uptime
• Technical Leadership Lead code reviews mentor junior engineers and participate in architectural decisions for legacy modernization and framework upgrades

Required Skills and Qualifications

• Core Languages C JavaScript TypeScript
• Backend Frameworks ASPNET MVC 5 Web API Web Forms WCF OWIN
• Frontend Technologies Razor cshtml aspx jQuery Knockoutjs AngularJS DevExpress Web Controls AjaxControlToolkit
• Data Access Database Entity Framework 6x ADONET SQL Server
• API Integrations RESTful APIs RestSharp WCF Services
• Security Authentication SAML OpenID Connect MSAL Microsoft Identity Model
• Logging Monitoring Application Insights log4net
• Ability to debug and resolve production issues quickly and efficiently
• Excellent problem‑solving skills and attention to detail
• Familiarity with software development lifecycle methodologies Agile Scrum
• Strong communication skills and ability to work collaboratively in a team environment