Fullstack .Net developer

Creative Solutions Services, LLC; Newark (NJ); Hybrid; USD 150,000 - 190,000; Part time

Job summary

Creative Solutions Services, LLC is seeking a Lead Full Stack .NET Developer in Newark, NJ for a hybrid contract position with a major investment firm. You will lead the design, development, and delivery of enterprise applications across the full technology stack, guiding architecture decisions and mentoring developers.

You’ll work hands-on across frontend, backend, cloud, and DevOps, with responsibilities in CI/CD, performance optimization, and security best practices in Agile teams.

Qualifications

• 10+ years of software development experience.
• Strong expertise in C#, .NET Core/.NET 8, ASP.NET Web API.
• Angular or React development experience.
• SQL Server, Entity Framework, and API development.
• Azure cloud services and Azure DevOps.
• CI/CD, Git, automated testing, and Agile methodologies.
• Excellent communication, leadership, and stakeholder management skills.

Responsibilities

• Lead design and development of web applications, APIs, and enterprise solutions.
• Provide technical leadership, code reviews, and mentoring to development teams.
• Develop scalable solutions using C#, .NET Core/.NET 8, ASP.NET, React, and SQL Server.
• Drive architecture, integration, performance optimization, and security best practices.
• Collaborate with Product Owners, Architects, QA, and business partners in Agile teams.
• Support CI/CD implementation, cloud deployments, and production support activities.
• Participate in estimation, sprint planning, and technical roadmap development.

Skills

C#

NET Core/.NET 8

ASP.NET Web API

React or Angular

SQL Server

Entity Framework

API development

Azure cloud services

Azure DevOps

CI/CD

Git

Automated testing

Agile methodologies

Leadership / stakeholder management

Communication

Tools

Azure DevOps

Git

SQL Server

Job description

Hybrid 3days/week in Newark, NJ

contract position with a major investment firm

Lead Full Stack .NET Developer

Position Summary

Lead the design, development, and delivery of enterprise applications across the full technology stack. Responsible for providing technical leadership, mentoring developers, driving architecture decisions, and partnering with business stakeholders to deliver scalable and secure solutions. The role includes hands‑on development across front‑end, backend, cloud, and DevOps functions.

Key Responsibilities

• Lead design and development of web applications, APIs, and enterprise solutions.
• Provide technical leadership, code reviews, and mentoring to development teams.
• Develop scalable solutions using C#, .NET Core/.NET 8, ASP.NET, React, and SQL Server.
• Drive architecture, integration, performance optimization, and security best practices.
• Collaborate with Product Owners, Architects, QA, and business partners in Agile teams.
• Support CI/CD implementation, cloud deployments, and production support activities.
• Participate in estimation, sprint planning, and technical roadmap development.

Required Skills

• 10+ years of software development experience.
• Strong expertise in C#, .NET Core/.NET 8, ASP.NET Web API.
• Angular or React development experience.
• SQL Server, Entity Framework, and API development.
• Azure cloud services and Azure DevOps.
• CI/CD, Git, automated testing, and Agile methodologies.
• Excellent communication, leadership, and stakeholder management skills.

Preferred

• Financial Services / Asset Management experience.
• Experience leading development teams.

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