Diversified Systems.com
Programmer (Sr. Full-Stack Web Application Developer)
Diversified Systems.com, Columbus, Ohio, United States, 43224
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Programmer (Sr. Full-Stack Web Application Developer)
role at
Diversified Systems.com
Hybrid (Onsite 3 days/week)
Description DSI is searching for an experienced, skilled, motivated senior Full Stack web application developer with specialization in API integration and developing both front‑end and back‑end components of the web applications.
Responsibilities
Design, build, and maintain full‑stack .NET applications and services for internal and external stakeholders.
Develop, consume, and document RESTful and SOAP APIs, ensuring secure, scalable, and efficient integrations.
Convert and modernize legacy ASP.NET Web Forms applications into reusable Angular components.
Write and maintain SQL queries, stored procedures, and data access logic for complex data transactions and workflows.
Build and manage backend automation using batch jobs, console apps, and Python scripts.
Implement and support CI/CD pipelines in Azure DevOps for continuous integration, delivery, and testing.
Collaborate with QA, business analysts, and product owners to deliver high‑quality software that meets business requirements.
Troubleshoot and resolve performance, scalability, and reliability issues across the application stack.
Ensure secure application development through code reviews, best practices, and integration of security tools.
Participate in Agile methodology and contribute to sprint planning, estimation, and retrospectives.
Requirements
4‑year college degree or equivalent technical study.
10+ years of proven professional experience as a Full‑Stack .NET Developer, including:
Designing, developing, and maintaining enterprise web applications using .NET (ASP.NET MVC 5/Web Forms) and C#.
Building responsive front‑end UIs with Angular 15 or later, HTML5, CSS3, JavaScript, jQuery, and Bootstrap.
Developing and maintaining RESTful and SOAP APIs, including secure implementation with authentication, authorization, and RBAC.
Performing API integrations with internal systems and third‑party services to ensure seamless and secure data exchange.
Creating and maintaining modular Angular components using Angular CLI; converting legacy Web Forms to Angular.
Implementing Entity Framework or similar ORM tools for data access and persistence.
7+ years of experience with:
Oracle 11g/19c and/or SQL Server, including writing SQL scripts, stored procedures, functions, views, packages, and triggers.
Optimizing database performance and ensuring data integrity and efficient retrieval.
5+ years of experience in:
Developing and supporting batch processes and console applications for backend automation and scheduled tasks.
Creating and managing CI/CD pipelines using Azure DevOps.
Writing and running Python scripts for automation or data processing.
Strong experience with:
Version control using GIT, including Git Bash commands (clone, commit, push, branch, etc.).
Browser testing, debugging, and cross‑platform compatibility assurance.
Implementing secure software development practices, including scanning and fixing vulnerabilities.
Building cloud‑ready applications with deployment experience in Azure (preferred), AWS, or Google Cloud.
Developing and consuming APIs in real‑time, event‑driven, or scheduled workflows.
Proven expertise as a Full‑Stack .NET Developer, including deep experience in API development and system integration.
Strong command of Angular 15+, .NET (MVC/Web Forms/Core), and complex SQL scripting.
3+ years of experience with Azure DevOps for CI/CD and environment automation.
Familiarity with cloud deployment and management (Azure preferred).
Exposure to microservices and containerization (Docker/Kubernetes) is a plus.
Experience with ETL processes and supporting data warehousing initiatives.
Knowledge of security scanning tools and fixing vulnerabilities throughout the SDLC.
Desired Skills
Excellent analytical and problem‑solving skills.
Ability to work independently and collaboratively across teams.
Strong communication skills with technical and non‑technical stakeholders.
Experience interpreting business requirements into technical specifications.
Demonstrated ability to deliver results in fast‑paced or unstructured environments.
About Diversified Systems Founded in 1990, Diversified Systems is an award‑winning Technology Services corporation providing all levels of IT project consulting services nationwide. DSI is headquartered in Columbus, Ohio with regional offices in the American Midwest and East Coast. We offer our consultants a number of flexible and competitive compensation benefit packages.
Diversified Systems is committed to the principles of equal employment. We are committed to complying with all federal, state, and local laws providing equal employment opportunities, and all other employment laws and regulations.
Diversity, Equity and Inclusion DSI values authenticity and is committed to making sure our employees and partners are valued and respected. At DSI, we believe building a diverse culture is important because we know when people work together, we can achieve better results as a team. DSI realizes that everyone comes from various backgrounds. We celebrate these differences because our employees are our greatest asset as we strive to best meet the needs of those we serve. As part of our ongoing efforts, DSI is focused on advancing equality, diversity, and inclusion by setting high standards to continually evolve our culture. This includes but is not limited to recruiting, community involvement, client delivery, and career development.
Referrals increase your chances of interviewing at Diversified Systems.com by 2x
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Programmer (Sr. Full-Stack Web Application Developer)
role at
Diversified Systems.com
Hybrid (Onsite 3 days/week)
Description DSI is searching for an experienced, skilled, motivated senior Full Stack web application developer with specialization in API integration and developing both front‑end and back‑end components of the web applications.
Responsibilities
Design, build, and maintain full‑stack .NET applications and services for internal and external stakeholders.
Develop, consume, and document RESTful and SOAP APIs, ensuring secure, scalable, and efficient integrations.
Convert and modernize legacy ASP.NET Web Forms applications into reusable Angular components.
Write and maintain SQL queries, stored procedures, and data access logic for complex data transactions and workflows.
Build and manage backend automation using batch jobs, console apps, and Python scripts.
Implement and support CI/CD pipelines in Azure DevOps for continuous integration, delivery, and testing.
Collaborate with QA, business analysts, and product owners to deliver high‑quality software that meets business requirements.
Troubleshoot and resolve performance, scalability, and reliability issues across the application stack.
Ensure secure application development through code reviews, best practices, and integration of security tools.
Participate in Agile methodology and contribute to sprint planning, estimation, and retrospectives.
Requirements
4‑year college degree or equivalent technical study.
10+ years of proven professional experience as a Full‑Stack .NET Developer, including:
Designing, developing, and maintaining enterprise web applications using .NET (ASP.NET MVC 5/Web Forms) and C#.
Building responsive front‑end UIs with Angular 15 or later, HTML5, CSS3, JavaScript, jQuery, and Bootstrap.
Developing and maintaining RESTful and SOAP APIs, including secure implementation with authentication, authorization, and RBAC.
Performing API integrations with internal systems and third‑party services to ensure seamless and secure data exchange.
Creating and maintaining modular Angular components using Angular CLI; converting legacy Web Forms to Angular.
Implementing Entity Framework or similar ORM tools for data access and persistence.
7+ years of experience with:
Oracle 11g/19c and/or SQL Server, including writing SQL scripts, stored procedures, functions, views, packages, and triggers.
Optimizing database performance and ensuring data integrity and efficient retrieval.
5+ years of experience in:
Developing and supporting batch processes and console applications for backend automation and scheduled tasks.
Creating and managing CI/CD pipelines using Azure DevOps.
Writing and running Python scripts for automation or data processing.
Strong experience with:
Version control using GIT, including Git Bash commands (clone, commit, push, branch, etc.).
Browser testing, debugging, and cross‑platform compatibility assurance.
Implementing secure software development practices, including scanning and fixing vulnerabilities.
Building cloud‑ready applications with deployment experience in Azure (preferred), AWS, or Google Cloud.
Developing and consuming APIs in real‑time, event‑driven, or scheduled workflows.
Proven expertise as a Full‑Stack .NET Developer, including deep experience in API development and system integration.
Strong command of Angular 15+, .NET (MVC/Web Forms/Core), and complex SQL scripting.
3+ years of experience with Azure DevOps for CI/CD and environment automation.
Familiarity with cloud deployment and management (Azure preferred).
Exposure to microservices and containerization (Docker/Kubernetes) is a plus.
Experience with ETL processes and supporting data warehousing initiatives.
Knowledge of security scanning tools and fixing vulnerabilities throughout the SDLC.
Desired Skills
Excellent analytical and problem‑solving skills.
Ability to work independently and collaboratively across teams.
Strong communication skills with technical and non‑technical stakeholders.
Experience interpreting business requirements into technical specifications.
Demonstrated ability to deliver results in fast‑paced or unstructured environments.
About Diversified Systems Founded in 1990, Diversified Systems is an award‑winning Technology Services corporation providing all levels of IT project consulting services nationwide. DSI is headquartered in Columbus, Ohio with regional offices in the American Midwest and East Coast. We offer our consultants a number of flexible and competitive compensation benefit packages.
Diversified Systems is committed to the principles of equal employment. We are committed to complying with all federal, state, and local laws providing equal employment opportunities, and all other employment laws and regulations.
Diversity, Equity and Inclusion DSI values authenticity and is committed to making sure our employees and partners are valued and respected. At DSI, we believe building a diverse culture is important because we know when people work together, we can achieve better results as a team. DSI realizes that everyone comes from various backgrounds. We celebrate these differences because our employees are our greatest asset as we strive to best meet the needs of those we serve. As part of our ongoing efforts, DSI is focused on advancing equality, diversity, and inclusion by setting high standards to continually evolve our culture. This includes but is not limited to recruiting, community involvement, client delivery, and career development.
Referrals increase your chances of interviewing at Diversified Systems.com by 2x
#J-18808-Ljbffr