Sr .NET Core Developer

Job Description

Job Title: Sr .NET Core Developer / Lead
Location: New York City, NY (Hybrid – minimum 3 days onsite)
Contract

Interview Process: Face-to-Face Interview Required
Preference: Local candidates preferred

Job Summary

We are seeking a highly skilled Senior Developer (.NET Core) – Lead to join our engineering team in New York City. The ideal candidate will have strong hands-on experience designing and developing microservices-based applications using .NET Core, along with expertise in cloud-native technologies, AWS, Terraform, containerization, and CI/CD practices.

This role requires a strong technical leader who can drive architecture discussions, build scalable and secure solutions, mentor team members, and collaborate effectively with cross-functional stakeholders. The candidate should also be comfortable leveraging AI-assisted development tools and promoting modern engineering best practices.

Key Responsibilities

• Design, develop, and maintain scalable microservices-based applications using .NET Core.
• Build and optimize RESTful APIs and distributed systems architectures.
• Work extensively with SQL/relational databases; exposure to NoSQL databases is a plus.
• Develop and manage cloud-native solutions using AWS services and Terraform (Infrastructure-as-Code).
• Implement containerization and orchestration solutions using Docker and Kubernetes.
• Create architecture artifacts including system design diagrams, deployment diagrams, sequence diagrams, and integration flows.
• Lead proof-of-concept (POC) initiatives for new technologies and provide technical recommendations with trade-off analysis.
• Design and enhance CI/CD pipelines with automated testing, quality gates, and release strategies such as blue/green and canary deployments.
• Promote Agile/Scrum best practices and collaborate using tools such as Git and JIRA.
• Utilize AI-assisted coding tools for code generation, refactoring, testing, and developer productivity while maintaining secure engineering standards.
• Establish AI governance practices, reusable prompt playbooks, and standards for AI-generated code and POCs.
• Act as an AI enablement champion by conducting demos, sharing best practices, and driving adoption within engineering teams.
• Collaborate closely with engineering teams, product owners, architects, and business stakeholders.

Qualifications

Required Skills & Qualifications

• Strong hands-on experience in .NET Core development.
• Extensive experience building microservices-based architectures.
• Strong experience with SQL and relational databases.
• Experience with AWS cloud services and Terraform.
• Expertise in Docker, Kubernetes, Git, JIRA, and Agile/Scrum methodologies.
• Strong understanding of CI/CD pipeline design and platform engineering concepts.
• Experience implementing automated testing frameworks and deployment strategies.
• Ability to create and present technical architecture and system design documentation.
• Strong analytical, problem-solving, and communication skills.
• Proven ability to work in fast-paced enterprise environments.

Preferred Qualifications

• Experience in the financial services domain.
• Experience with Java and Kotlin development.
• Experience with NoSQL databases.
• Prior experience leading technical teams or mentoring developers.

Additional Information

All your information will be kept confidential according to EEO guidelines.