Web Designer/Developer III – .NET / Front-End

Designer Jobs; United States; Remote; USD 125,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) retirement plan

Paid time off

Paid parental leave

Life and disability insurance

Flexible spending accounts

Commuter benefits

Tuition reimbursement

Job summary

Koniag Government Services is seeking a Remote Web Designer/Developer III to design, build, and secure federal applications using .NET technologies, with emphasis on UI/UX and API integration. You will work across the full Agile lifecycle, collaborating with security, cloud, and GIS teams to deliver compliant, scalable solutions for government customers.

The role requires strong React/ front-end capabilities, experience in Azure and AWS environments, and a commitment to secure coding practices.

Qualifications

• Demonstrated experience in Agile web and database application development.
• Strong proficiency in .NET/C# and modern front-end development.
• Experience with UI/UX design and implementation.
• Experience developing and integrating APIs, including RESTful APIs.
• Experience architecting or developing applications in Azure and AWS.
• Knowledge of secure software development practices and web application security standards such as OWASP.
• Strong troubleshooting, debugging, and analytical skills.
• Ability to independently design and own technical solutions with limited oversight.
• Strong written and verbal communication skills; ability to work with technical and non-technical stakeholders.
• Bachelor's degree or equivalent.
• Application Development certification (.NET required).
• Secure development certification.
• Federal government or FISMA-regulated environment experience preferred.
• GIS/ESRI integration experience preferred.
• Experience leveraging AI-enabled capabilities within applications or business processes is a plus (heavy AI/ML development not required).

Responsibilities

• Design, develop, test, maintain, and document secure web and database applications using .NET technologies.
• Create responsive, user-focused front-end solutions grounded in sound UI/UX principles.
• Execute work across the Agile lifecycle: requirements, design, development, testing, deployment, and ongoing maintenance.
• Collect and translate customer and stakeholder requirements into technical solutions.
• Develop and securely integrate APIs, databases, and external data feeds.
• Apply secure development practices aligned to OWASP coding standards.
• Develop and support cloud-based applications in Azure; leverage Azure and AWS development experience as required.
• Maintain source code, technical documentation, configuration information, and deployment artifacts in approved repositories.
• Participate in code reviews, perform vulnerability scanning and remediation, and support troubleshooting and root-cause analysis.
• Collaborate with systems, security, database, cloud, and administrative teams.
• Support GIS/geospatial integrations where applicable, preferably using ESRI/ArcGIS technologies.
• Contribute to testing, stakeholder feedback cycles, knowledge transfer, and continuous improvement.

Skills

Agile development

.NET/C#

UI/UX design

APIs

RESTful APIs

Azure

AWS

OWASP

GIS/ESRI integration

AI-enabled capabilities

Secure development practices

Education

Bachelor's degree or equivalent

Application Development certification (.NET required)

Secure development certification

Tools

Azure

AWS

ESRI/ArcGIS

Job description

Remote Web Designer/Developer III role focused on secure federal application development and modernization, supporting KOS and a government customer.

Responsibilities

• Design, develop, test, maintain, and document secure web and database applications using .NET technologies
• Create responsive, user-focused front-end solutions grounded in sound UI/UX principles
• Execute work across the Agile lifecycle: requirements, design, development, testing, deployment, and ongoing maintenance
• Collect and translate customer and stakeholder requirements into technical solutions
• Develop and securely integrate APIs, databases, and external data feeds
• Apply secure development practices aligned to OWASP coding standards
• Develop and support cloud-based applications in Azure; leverage Azure and AWS development experience as required
• Maintain source code, technical documentation, configuration information, and deployment artifacts in approved repositories
• Participate in code reviews, perform vulnerability scanning and remediation, and support troubleshooting and root-cause analysis
• Collaborate with systems, security, database, cloud, and administrative teams
• Support GIS/geospatial integrations where applicable, preferably using ESRI/ArcGIS technologies
• Contribute to testing, stakeholder feedback cycles, knowledge transfer, and continuous improvement

Requirements

• Demonstrated experience in Agile web and database application development
• Strong proficiency in .NET/C# and modern front-end development
• Experience with UI/UX design and implementation
• Experience developing and integrating APIs, including RESTful APIs
• Experience architecting or developing applications in Azure and AWS
• Knowledge of secure software development practices and web application security standards such as OWASP
• Strong troubleshooting, debugging, and analytical skills
• Ability to independently design and own technical solutions with limited oversight
• Strong written and verbal communication skills; ability to work with technical and non-technical stakeholders
• Bachelor's degree or equivalent
• Application Development certification (.NET required)
• Secure development certification
• Federal government or FISMA-regulated environment experience preferred
• GIS/ESRI integration experience preferred
• Experience leveraging AI-enabled capabilities within applications or business processes is a plus (heavy AI/ML development not required)

Technologies

• .NET
• C#
• Azure
• AWS
• OWASP
• RESTful APIs
• ESRI
• ArcGIS
• Agile

Benefits

• Medical, dental, and vision insurance
• 401(k) retirement plan
• Paid time off
• Paid parental leave
• Life and disability insurance
• Flexible spending accounts
• Commuter benefits
• Tuition reimbursement

Salary: USD 125,000 - 150,000 per year

Location: Remote