Senior Full Stack Web Developer

Cozen O'Connor; Philadelphia (Philadelphia County); Hybrid; USD 80,000 - 100,000; Full time

Job summary

A leading law firm is seeking a motivated Senior Full Stack Web Developer for its Philadelphia office. This hybrid role requires expertise in .NET frameworks and SQL Server, along with 5+ years of software development experience. The candidate will work closely with various teams to develop and enhance web applications while participating in the Agile development process. Commitment to quality and collaboration is essential.

Qualifications

• 5+ years of hands-on software development experience.
• Experience developing .NET web applications and services.
• Proficiency in SQL Server and familiarity with cloud environments.

Responsibilities

• Develop and maintain .NET web applications and services.
• Participate in all phases of the software development lifecycle.
• Collaborate with teams to ensure application security and performance.

Skills

C#

ASP.NET

SQL Server

Blazor

Agile methodologies

Problem-solving skills

Collaboration

Education

Bachelor’s degree in Computer Science or related field

Tools

Azure DevOps

SSIS

SSRS

Job description

Join to apply for the Senior Full Stack Web Developer role at Cozen O'Connor

Overview

The Philadelphia office of Cozen O'Connor is seeking a motivated and detail-oriented Full Stack .NET Web Developer to join our Development Operations team. This is a hybrid role, onsite in our Philadelphia headquarters 3 days per week.

Responsibilities

• Develop, maintain, and enhance .NET web applications and services using C#, ASP.NET, SQL Server, and modern front-end frameworks (e.g., Blazor).
• Participate in all phases of the software development lifecycle (SDLC): requirements gathering, design, coding, testing, deployment, and maintenance.
• Support, maintain, and update legacy .NET applications critical to business operations.
• Assist in implementing development processes, including automated builds, deployments, and change control.
• Collaborate with security and database teams to ensure application security, compliance, and performance.
• Apply secure coding practices.
• Work closely with business stakeholders and team members to translate requirements into technical solutions.
• Participate in Agile planning and delivery, contributing to timely and high-quality releases.
• Contribute to code reviews, follow design patterns, and adhere to clean architecture and SOLID principles.
• Document code, processes, and technical decisions for future reference and team knowledge sharing.

Competencies

• Solid understanding of .NET (C#, ASP.NET) and modern front-end frameworks (Blazor or similar).
• Familiarity with Azure DevOps, automated build/deployment pipelines.
• Experience with SSIS/SSRS and SQL Server packaging and processes.
• Strong problem‑solving skills and attention to detail.
• Ability to work collaboratively in a team environment.
• Good communication skills for interacting with team members and stakeholders.
• Willingness to learn new technologies and continuously improve technical skills.
• Experience with business intelligence, data mining, or reporting solutions is a plus but not required.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience).
• 5+ years of hands‑on software development experience.
• Experience developing .NET web applications and services and APIs.
• Proficiency in SQL Server and familiarity with cloud environments (Azure is a plus).
• Exposure to SDLC processes and Agile methodologies.
• Prior experience in a law firm or professional services environment is a plus, but not required.
• Strong organizational, analytical, and interpersonal skills.
• Hybrid schedule, onsite in our Philadelphia headquarters 3 days per week.

About Us

Cozen O'Connor is known for its commitment to action and tangible results, offering full‑service expertise in litigation, business law, and government relations. The firm serves a diverse clientele, including global Fortune 500 companies, growing middle‑market firms, startups, and high‑profile individuals. Cozen O'Connor is dedicated to excellence and fosters greater inclusion in the legal profession, welcoming applicants from all backgrounds.

Cozen O'Connor is an Equal Opportunity Employer, including disabled and veterans.