.NET Developer

Onset

New York (NY)

On-site

USD 130,000 - 170,000

Full time

4 days ago

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Job summary

Onset is seeking an experienced Full Stack .NET Developer to support the Texas HHSC. You will design, develop, enhance, and support enterprise apps and reporting solutions using modern Microsoft technologies.

Expect extensive work with .NET Core, C#, React JS, SQL Server, Oracle, Power BI, and Azure cloud services in an Agile team. Responsibilities include building APIs, optimizing databases, performing data migrations, and delivering secure, scalable enterprise solutions.

Qualifications

11+ years of full stack development with .NET Core, C#, React JS, JavaScript, HTML, CSS
11+ years of SQL Server experience including data modeling and query optimization
11+ years of Oracle experience including legacy data migration
11+ years of Power BI dashboards, paginated reports, and data transformations
11+ years of Azure cloud services for hosting, storage, deployment, and security
11+ years of transforming legacy apps to modern web-based solutions
11+ years of working with Git, CI/CD pipelines, and DevOps tools
Strong troubleshooting, production support, and enterprise app development skills
Knowledge of accessibility standards (Section 508)
Excellent analytical and collaboration skills

Responsibilities

Design, develop, enhance, and maintain enterprise apps using .NET Core, C#, React JS, JavaScript, HTML, CSS
Develop RESTful APIs and backend services with .NET Core
Design and optimize SQL Server databases and performance tuning
Migrate legacy Oracle data to SQL Server environments
Develop and maintain Power BI dashboards and reports
Build cloud solutions on Microsoft Azure including deployment and security
Troubleshoot and resolve issues across the stack
Perform unit, integration, and system testing; support regression testing
Transform legacy apps into modern web-based enterprise solutions
Ensure accessibility, security, and data integrity across solutions

Skills

.NET Core

React JS

JavaScript

HTML

CSS

SQL Server

Oracle

Power BI

Azure Cloud

REST APIs

Git

CI/CD

DevOps

Data Migration

Tools

Git

CI/CD

DevOps

Job description

Onset is seeking an experienced Full Stack .NET Developer to support the Texas Health and Human Services Commission (HHSC). The ideal candidate will be responsible for designing, developing, enhancing, and supporting enterprise applications and reporting solutions using modern Microsoft technologies. This role requires extensive experience with .NET Core, C#, React JS, SQL Server, Oracle, Power BI, and Azure cloud technologies while collaborating with business stakeholders and cross-functional IT teams to deliver secure, scalable, and high-performing enterprise applications. The developer will perform advanced analysis, application design, coding, testing, deployment, maintenance, and production support activities while working independently in an Agile development environment.

Responsibilities:

Design, develop, enhance, and maintain enterprise applications using .NET Core, C#, React JS, JavaScript, HTML, and CSS.
Develop RESTful APIs and backend services using .NET Core.
Design, develop, and optimize SQL Server databases, including stored procedures, views, functions, and query performance tuning.
Perform Oracle database support and migrate legacy Oracle data into SQL Server environments.
Develop and maintain Power BI dashboards, reports, and paginated reports for operational and business reporting.
Design, implement, and support cloud-based solutions using Microsoft Azure, including deployment, monitoring, storage, and security.
Troubleshoot, diagnose, and resolve application issues across the full technology stack.
Develop and execute unit testing, integration testing, system testing, and support regression testing activities.
Transform and migrate legacy applications and data into modern web-based enterprise solutions.
Monitor application performance, reliability, security, and data integrity while proactively resolving issues.
Create and maintain technical documentation including solution designs, architecture diagrams, technical specifications, and operational procedures.
Utilize Git, CI/CD pipelines, and DevOps tools to automate builds, deployments, and testing.
Collaborate with infrastructure, security, architects, business analysts, and stakeholders to deliver enterprise solutions.
Participate in Agile ceremonies including sprint planning, backlog refinement, development, and release activities.
Contribute to coding standards, solution architecture, and development best practices.
Provide technical guidance and mentorship to junior developers and team members.
Support enterprise initiatives while ensuring compliance with accessibility standards, security policies, and organizational best practices.

Required Experience:

11+ years of full stack application development using: .NET Core C# React JS JavaScript HTML CSS
11+ years of experience with SQL Server including: Data modeling Query optimization Stored procedures Performance tuning
11+ years of Oracle database experience including legacy data migration to SQL Server.
11+ years of experience developing Power BI dashboards, paginated reports, and data transformation solutions.
11+ years of hands-on experience with Microsoft Azure cloud services, including application hosting, storage, deployment, and security.
11+ years of experience converting legacy applications into modern web-based solutions.
11+ years of experience performing legacy data transformation and migration activities.
11+ years of experience with Git, CI/CD pipelines, and DevOps tools.
Strong experience with application troubleshooting, production support, and enterprise application development.
Knowledge of accessibility standards, including Section 508 compliance.
Excellent analytical, communication, collaboration, and problem-solving skills.

Preferred Qualifications:

8+ years of experience performing data migrations within government or highly regulated environments.
8+ years of experience working in Agile/Scrum development environments.
6+ years of experience supporting Texas state agencies, healthcare organizations, or other public sector clients.
Experience designing scalable cloud-native enterprise applications.
Experience with enterprise reporting, technical architecture, and application modernization initiatives.

Preferred Skills: