Full Stack .NET Developer

Signature IT World Inc; New York (NY); Presencial; USD 150 000 - 190 000; Tempo integral

Resumo da oferta

Signature IT World Inc in New York is seeking a Technology Architect / Senior Full Stack .NET Developer with 10+ years of experience in ASP.NET, ASP.NET Core, Web API, Oracle, and SQL Server. The role acts as the senior technical authority for development, RESTful services, database ownership, and production support.

The ideal candidate will demonstrated expertise in complex SQL, PL/SQL, and T-SQL, with strong performance tuning in high-volume environments.

Qualificações

• 10+ years of experience in .NET and enterprise-scale app development.
• Expert in ASP.NET, RESTful APIs, and database design.
• Ability to lead production support and performance tuning in high-volume environments.

Responsabilidades

• Design, develop, and enhance applications using ASP.NET and ASP.NET Core.
• Develop RESTful Web APIs for real-time integrations.
• Troubleshoot API and app issues related to security and performance.
• Serve as senior authority for Oracle and SQL Server databases.
• Develop and optimize complex SQL, PL/SQL, and T-SQL queries.
• Perform database and application performance tuning for high-volume workloads.
• Diagnose production issues and lead remediation efforts.
• Ensure changes follow audit, compliance, and governance controls.
• Support release coordination, deployment planning, and rollback strategies.
• Establish standards for REST APIs and database development.
• Collaborate with cross-functional teams to resolve issues.

Conhecimentos

C#

Web API

Oracle DB

SQL Server

Complex SQL

PL/SQL

T-SQL

Query Tuning

DB Performance

Production Support

API Security

Ferramentas

Oracle DB

SQL Server

Descrição da oferta de emprego

We are seeking a Technology Architect / Senior Full Stack .NET Developer with 10+ years of experience in ASP.NET, ASP.NET Core, Web API, Oracle, and SQL Server. The candidate will serve as a senior technical authority for application development, RESTful services, database ownership, SQL performance tuning, and production support.

The ideal candidate will have strong hands‑on expertise in complex SQL, PL/SQL, T‑SQL, database performance optimization, troubleshooting, and production remediation within high-volume operational environments.

Key Responsibilities

• Design, develop, and enhance applications using ASP.NET and ASP.NET Core.
• Develop and maintain RESTful Web APIs supporting real‑time and near-real‑time integrations.
• Troubleshoot API and application issues related to security, performance, scalability, and reliability.
• Serve as a senior technical authority for Oracle and SQL Server database environments.
• Develop and optimize complex SQL, PL/SQL, and T‑SQL queries and stored procedures.
• Perform database and application performance tuning for high-volume operational workloads.
• Diagnose and resolve production issues, including performance degradation during peak loads.
• Lead production fixes, data corrections, reconciliations, and production query execution.
• Ensure all database changes and production fixes follow strict audit, compliance, and governance controls.
• Support database release coordination, deployment planning, and rollback strategies.
• Establish technical standards and best practices for REST APIs, database development, and production support.
• Collaborate with application, database, infrastructure, and business teams to resolve complex technical issues.

Must‑Have Technical Skills

• C#
• Web API / RESTful Web Services
• Oracle Database
• SQL Server
• Complex SQL
• PL/SQL
• T‑SQL
• SQL Query Performance Tuning
• Database Performance Optimization
• Production Support & Troubleshooting
• API Security & Performance

Nice‑to‑Have Skills

• Data governance and production data management
• Data fixes and reconciliation
• Audit and compliance-controlled production environments