.NET Full Stack Developer - Onsite

Req : 359720

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a .NET Full Stack Developer - Onsite to join our team in Parispanny, New Jersey (US-NJ), United States (US).

• Provide application maintenance, technical support, and enhancements for a portfolio of internal and customer-facing web applications. Work closely with operations, security, and product teams to support feature updates, interface migrations, disaster recovery exercises, security remediations, and CI/CD improvements.

• Maintain and support multiple web applications and backend services (enrollment, account management, rate‑quoting, customer events repository, contact‑center backup).
• Provide tier 2/3 technical support for application issues, perform incident troubleshooting and root cause analysis.
• Deliver development tasks and backlog items (bug fixes, enhancements, integration work).
• Participate in Dev Ops/CI‑CD activities to improve release pipelines, automation, and test coverage.
• Execute security vulnerability remediation and respond to automated scan findings.
• Support disaster recovery (DR) planning and exercises, including failover and temporary operations in alternate datacenters/cloud regions.
• Coordinate with infrastructure teams on patching, OS/DB upgrades, and certificate management.

• Migrate legacy interfaces to modern APIs (e.g., SOAP → REST, or legacy web services → modern service endpoints).
• Perform yearly password rotations across databases, Linux jobs, cloud services, and API credentials.
• Participate in scheduled DR exercises.
• Requesting and installing SSL/TLS certificates on application servers as required.
• Implement periodic business configuration updates (e.g., country activations, pricing/declared value updates, dimension/weight rules).
• Run and remediate results from periodic web vulnerability scans (quarterly).
• Monitor and maintain scheduled jobs, Windows services, and background workers that support application integrations and email alerts.

• Migrate authentication and identity systems (e.g., internal login systems → Azure AD / modern identity providers).
• Migrate access management from legacy provisioning tools to modern identity governance solutions.
• Plan and execute SQL Server upgrades, and migrate workloads off end‑of‑service OS or application servers.
• Maintain and update ETL/SSIS packages, and support Windows services or background processes written in C#.
• Verify and test changes in interfacing applications; provide impact analysis and estimates for production changes (PID/impact evaluation).
• Participate in capacity/peak planning with support and operations teams.
• Prepare infrastructure change requests and coordinate upgrades.

• Implement small feature changes or new flows for account creation, UUID generation, fraud‑validation integration, contact preference handling, and similar features.
• Convert and migrate source control and CI pipelines (e.g., VS source control → Git / Azure Dev Ops).
• Implement or improve automated quality and security testing (unit tests, integration tests, security scans).
• Support tiered application support, resolve issues escalated from first‑line teams.
• Deliver small project items and reduce technical debt in backlog.

• Experience in GCP Platform - Firebase Firestore and No
  
  SQL.
• Strong development experience with C# and .NET Core (or later).
• Proficient in front‑end technologies: HTML, CSS, JavaScript, Type Script, and Angular (modern versions).
• Experience with web services: SOAP and REST APIs.
• SQL experience:
  Microsoft SQL Server and familiarity with SSIS packages.
• Experience with background services and Windows Server hosted apps.
• Familiar with CI/CD tooling:
  Azure Dev Ops (ADO) pipelines, Git‑based source control.
• Familiarity with static analysis and security tooling:
  Sonar Qube, web vulnerability scanners (e.g., Netsparker / Invicti).
• Knowledge of logging and artifact management (e.g.,…