Job Title: Senior Full Stack Developer (Contract ) - Job#5527

Location: Windsor, CT hybrid- onsite M- Th, Friday remote option

Job Description:

Our client is seeking a highly experienced and motivated Senior Full Stack Developer Leader to lead the development and delivery of robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in .NET Core, C#, and modern software architecture practices, with a strong ability to mentor team members and drive technical excellence. You will mentor a team of developers, set coding standards, and play a key role in delivering high-quality software solutions.

Responsibilities

• Lead the design, development, and implementation of enterprise-level .NET Core applications
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure code quality through unit testing, code reviews, and automation
• Drive continuous improvement in performance, scalability, and maintainability
• Mentor and guide junior and mid-level developers, fostering a culture of learning and growth
• Participate in sprint planning, stand-ups, and technical discussions
• Stay up to date with the latest development trends and best practices in .NET technologies
• Design and implement high-performance, scalable backend systems using C# and .NET Core
• Conduct code reviews and enforce coding standards across the team
• Guide team members in problem-solving and troubleshooting
• Ensure application security, performance, and maintainability

Required:

• 7+ years of professional experience in software development, with at least 5 years in a leadership role

Technology Expertise

• Strong expertise in .NET Core / ASP.NET Core, C#, and RESTful APIs
• Strong understanding of DevOps practices, CI/CD pipelines, and containerization (Team City and Octopus)
• Experience with source control systems like Git and CI/CD pipelines

Process & Methodology

• Strong grasp of Agile/Scrum or Waterfall methodologies
• Experience with Git, branching strategies, and pull request workflows
• Familiarity with continuous delivery/deployment pipelines and automated build systems

Leadership & Team Skills

• Proven ability to mentor junior and mid-level developers
• Experience leading code reviews, architecture discussions, and technical planning
• Ability to communicate complex technical concepts to non-technical stakeholders
• Excellent problem-solving skills and a proactive attitude
• Experience with agile ceremonies and delivery cycles
• Skilled at cross-functional collaboration with Business, QA

Strategic & Business Awareness

• Experience aligning development work with business goals and KPIs
• Ability to identify technical debt and prioritize refactoring when needed
• Participation in technical roadmap planning

Desired:

• Background in managing offshore or cross-functional development teams.
• Experience with cloud platforms like Azure or AWS
• Proficient in SQL and Entity Framework Core

Additional Information:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

About Delphi-US

Delphi-US is a national recruiting firm based in Newport, Rhode Island. We specialize in IT, Engineering and Professional Staffing services for organizations across the United States of America. Our mission is simple: We are Peacemakers in the Talent War. Delphi attracts our nation’s best and brightest Technical & Professional Talent and position our nation’s finest employers to further their competitive advantages. We accomplish this with a proprietary skill-based and cultural matching process that results in higher qualified submissions, hiring with purpose, and employer/employee mutual success. You’ll find our team is supremely experienced, friendly, professional and ready to advocate on your behalf. Armed with best in class talent, Delphi has an indelible understanding of employer expectations and we deliver lasting results.