Senior .NET Developer Lead

RarefiedIT; King of Prussia (PA); Ibrido; USD 120.000 - 170.000; Tempo pieno

Descrizione del lavoro

RarefiedIT in King of Prussia, PA is seeking a Senior .NET Developer to drive enterprise-grade solutions and mentor a development team. The role requires hands-on expertise in .NET Core, C#, Web API, and modern frontend tech like React.

You will modernize legacy systems, design scalable architectures, and lead cloud-native implementations. The ideal candidate has 12+ years of full-stack experience, strong collaboration skills, and a track record of delivering secure, scalable web applications in

Competenze

• 12+ years of professional software development experience.
• Strong hands-on with .NET Core / ASP.NET Core, C#, and Web API development.
• Proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.

Mansioni

• Drive enterprise-grade .NET solutions from concept to deployment, providing technical leadership and mentoring in a fast-paced Agile environment
• Design, development, and delivery of scalable .NET applications while guiding a development team and ensuring adherence to coding standards and architectural best practices.
• Modernize legacy systems by migrating applications from .NET Framework to .NET Core, aligning with modern design and cloud practices.
• Oversee full-stack development using .NET Core and Angular/React, ensuring high-performance web applications and seamless integration across layers
• Lead the development of secure, cloud-native applications using .NET Core and Azure, while ensuring CI/CD and DevOps best practices.
• Lead database solution design and implementation with MS SQL, including complex query and stored procedure development.
• Oversee ETL process development and deployment using SSIS.
• Implement reporting solutions using SSRS to meet organizational requirements.
• Provide technical leadership, mentorship, and conduct code reviews to ensure adherence to architectural standards and best practices.

Conoscenze

Full Stack Developer

React.js

JavaScript ES6+

HTML5

CSS3

C#

NET Core

ASP.NET Core

Web API

SQL Server

OOP

Design Patterns

RESTful services

Microservices

Azure

AWS

CI/CD

Git

Strumenti

SSIS

SSRS

Descrizione del lavoro

Senior .NET Developer

Location: King of Prussia, PA, onsite (3 days, 2 days remote); locals only; no relocation

Mode of client interview: face-to-face at client office

Client: Direct

Years of exp: 12-14 Years only, not more than that

***Must be an individual contributor and should be able to handle a team ***

Job Duties

• Drive enterprise-grade .NET solutions from concept to deployment, providing technical leadership and mentoring in a fast-paced Agile environment
• Design, development, and delivery of scalable .NET applications while guiding a development team and ensuring adherence to coding standards and architectural best practices.
• Modernize the legacy systems by migrating applications from .NET Framework to .NET Core, aligning with modern design and cloud practices.
• Oversee full-stack development using .NET Core and Angular/React, ensuring high-performance web applications and seamless integration across layers
• Lead the development of secure, cloud-native applications using .NET Core and Azure, while ensuring CI/CD and DevOps best practices.
• Lead database solution design and implementation with MS SQL, including complex query and stored procedure development.
• Oversee ETL process development and deployment using SSIS.
• Implement reporting solutions using SSRS to meet organizational requirements.
• Provide technical leadership, mentorship, and conduct code reviews to ensure adherence to architectural standards and best practices.

Required Skills & Qualifications

• 12+ yearsof professional experience as a Full Stack Developer.
• Strong hands‑on experience with .NET Core / ASP.NETCore, C#, and Web API development.
• Proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.
• Experience with SQL Serverand relational database design.
• Strong understanding of object-oriented programming (OOP)and design patterns.
• Experience with RESTful services, microservices architecture, and cloud integration(Azure or AWS preferred).
• Familiarity with Agile/Scrum methodologies and DevOps practices (CI/CD pipelines, Git).
• Excellent problem-solving, analytical, and communication skills.