Sistema Technologies, Inc.
Austin, TX
Senior Software Developer
- Solicitation#
70126029 Texas Education Agency (TEA) Overview:
We are seeking a highly experienced IT professional with a deep and diverse background in software development and production support, ideally spanning more than 20 years. The ideal candidate will be proficient in maintaining and troubleshooting legacy systems-including classic ASP and ASP.NET applications-and possess advanced database expertise, particularly in SQL and stored procedure analysis. A strong command of front-end technologies such as HTML, CSS, and JavaScript is essential, along with hands-on experience in earlier versions of the .NET framework and Visual Studio. The candidate should also be capable of migrating legacy web applications to modern, compatible frameworks. This role requires exceptional multitasking and prioritization skills, with the ability to manage multiple projects and resolve production issues across various applications under tight deadlines. Strong communication and ownership are critical, including the ability to proactively engage with stakeholders to clarify issues, present solutions, and ensure timely resolution of incidents. Responsibilities: Develop, maintain, and enhance classic ASP and ASP.NET web applications. Architect and optimize database schemas; write and troubleshoot complex SQL queries and stored procedures. Work with Entity Framework, SSRS, and SSIS packages. Build and maintain Web APIs using .NET Core with a solid understanding of RESTful principles. Utilize technologies including C#, Visual Studio, SQL Server (SSMS), TypeScript, CSS, JavaScript, Bootstrap. Modify legacy applications to meet 504 ADA compliance standards. Collaborate with cross-functional teams to define, design, and deliver new features. Troubleshoot and resolve application issues and bugs in a fast-paced production environment. Apply knowledge of DevOps practices and CI/CD pipelines. Work within Agile/Scrum methodologies. Experience with ArcGIS is a plus. Experience Crystal Reports with older as well as newer versions. The working position is Telework, 100% Remote, Work Location With-in the United States.
Minimum Requirements:
Candidates that do not meet or exceed the
minimum
stated requirements (skills/experience) will be displayed to customers but may not be chosen for this opportunity. Actual Years Experience Years Experience Needed Required/ Preferred Skills/Experience 20 Required Proof of hands-on experience in software development, evolving through legacy platforms to current technologies 20 Required Experience with legacy asp and asp.net web applications. Please list project names in your experience. 20 Required Experience with SQL Server and database design, entity framework, schema design, stored procedures, SSRS 15 Required Experience with front-end technologies such as HTML, Typescript, CSS, JavaScript 15 Required Strong knowledge of unit testing frameworks and tools. Proficiency in writing unit tests using nUnit framework. 10 Required Crystal Reports experience to work with older versions along with new. 5 Required Proficiency in ASP.NET Core for building RESTful APIs. 5 Required Experience with redesigning legacy asp and asp.net 3.5 framework applications with (since we have many) 2 Required Experience with making web pages ADA 504 Compliant 2 Preferred Prior experience in working with Texas Education Agency across several projects. Please list the projects. 1 Preferred Arc GIS Software
I need Three References
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End-User Subordinate
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End- User Subordinate
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End- User Subordinate
- Solicitation#
70126029 Texas Education Agency (TEA) Overview:
We are seeking a highly experienced IT professional with a deep and diverse background in software development and production support, ideally spanning more than 20 years. The ideal candidate will be proficient in maintaining and troubleshooting legacy systems-including classic ASP and ASP.NET applications-and possess advanced database expertise, particularly in SQL and stored procedure analysis. A strong command of front-end technologies such as HTML, CSS, and JavaScript is essential, along with hands-on experience in earlier versions of the .NET framework and Visual Studio. The candidate should also be capable of migrating legacy web applications to modern, compatible frameworks. This role requires exceptional multitasking and prioritization skills, with the ability to manage multiple projects and resolve production issues across various applications under tight deadlines. Strong communication and ownership are critical, including the ability to proactively engage with stakeholders to clarify issues, present solutions, and ensure timely resolution of incidents. Responsibilities: Develop, maintain, and enhance classic ASP and ASP.NET web applications. Architect and optimize database schemas; write and troubleshoot complex SQL queries and stored procedures. Work with Entity Framework, SSRS, and SSIS packages. Build and maintain Web APIs using .NET Core with a solid understanding of RESTful principles. Utilize technologies including C#, Visual Studio, SQL Server (SSMS), TypeScript, CSS, JavaScript, Bootstrap. Modify legacy applications to meet 504 ADA compliance standards. Collaborate with cross-functional teams to define, design, and deliver new features. Troubleshoot and resolve application issues and bugs in a fast-paced production environment. Apply knowledge of DevOps practices and CI/CD pipelines. Work within Agile/Scrum methodologies. Experience with ArcGIS is a plus. Experience Crystal Reports with older as well as newer versions. The working position is Telework, 100% Remote, Work Location With-in the United States.
Minimum Requirements:
Candidates that do not meet or exceed the
minimum
stated requirements (skills/experience) will be displayed to customers but may not be chosen for this opportunity. Actual Years Experience Years Experience Needed Required/ Preferred Skills/Experience 20 Required Proof of hands-on experience in software development, evolving through legacy platforms to current technologies 20 Required Experience with legacy asp and asp.net web applications. Please list project names in your experience. 20 Required Experience with SQL Server and database design, entity framework, schema design, stored procedures, SSRS 15 Required Experience with front-end technologies such as HTML, Typescript, CSS, JavaScript 15 Required Strong knowledge of unit testing frameworks and tools. Proficiency in writing unit tests using nUnit framework. 10 Required Crystal Reports experience to work with older versions along with new. 5 Required Proficiency in ASP.NET Core for building RESTful APIs. 5 Required Experience with redesigning legacy asp and asp.net 3.5 framework applications with (since we have many) 2 Required Experience with making web pages ADA 504 Compliant 2 Preferred Prior experience in working with Texas Education Agency across several projects. Please list the projects. 1 Preferred Arc GIS Software
I need Three References
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End-User Subordinate
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End- User Subordinate
Reference Name
( Required ): Title (Optional)
Company Name
( Required ):
Phone Number
( Required include area code): E-mail address (Optional): Professional Relationship (Optional): Peer Co-Worker Supervisor
Customer End- User Subordinate