Lead Full Stack Engineer

Job Title: SDIII: Full Stack C# Engineer

Senior / Lead Software Engineer – Full Stack Development

Location: Jersey City or Holmdel, New Jersey

Work Arrangement: Hybrid – 2 Days Onsite per Week

Employment Type: Contract-to-Direct Hire

This is a senior or lead-level engineering opportunity requiring strong hands-on expertise across the full technology stack, particularly C#, .NET, SQL, Angular, and AWS.

The successful candidate will contribute to software architecture, backend services, frontend development, database design, API integration, and cloud-based application development. The role also involves working with service-oriented architecture (SOA) or event-driven architecture, collaborating with technical and business stakeholders, and helping deliver reliable, scalable, and high-quality applications.

The engineer will participate throughout the software development lifecycle, provide technical guidance to junior and mid-level developers, and coordinate with onshore and offshore engineering resources.

Key Responsibilities

1.

Full Stack Application Development

Design, develop, enhance, and maintain scalable enterprise web applications.

* Develop backend applications and services using C# and .NET technologies. * Build responsive and maintainable frontend applications using Angular and JavaScript. * Integrate frontend and backend components to deliver end-to-end business solutions. * Apply object-oriented programming principles and enterprise software design practices. * Write clean, reusable, maintainable, and efficient code. *

2. Backend Development and API Integration

Design, develop, and integrate RESTful APIs.

* Build scalable backend services and application components. * Apply service-oriented architecture (SOA) and event-driven architecture concepts. * Support application integration across multiple enterprise systems. * Troubleshoot backend performance, integration, and application issues. * Ensure reliability, maintainability, and scalability of software services. *

3. Database and SQL Development

Develop and optimize SQL queries and database operations.

* Support database design, data access, and application integration. * Identify and resolve database performance issues. * Ensure efficient data processing and reliable application performance. *

4.

AWS Cloud Development

Develop and support applications deployed in AWS environments.

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Utilize relevant AWS services to build scalable and reliable application solutions.

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Participate in cloud application architecture, integration, and deployment.

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Support application performance optimization and troubleshooting in cloud environments.

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5. Architecture and Technical Design

Participate in designing end-to-end application architecture.

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Develop solutions that support speed, scalability, performance, and reliability.

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Apply enterprise software design principles and architectural best practices.

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Contribute to technical design discussions and architectural decisions.

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Evaluate technical approaches and recommend suitable solutions.

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6. Testing, Debugging and Performance Optimization

Develop and execute unit tests and integration tests.

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Identify, troubleshoot, and resolve software defects.

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Perform debugging and application performance optimization.

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Improve application stability, reliability, and code quality.

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Support continuous improvement of development and testing practices.

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7. Agile Development and Deployment

Participate in all phases of the Agile software development lifecycle.

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Contribute to requirements analysis, technical design, implementation, testing, and deployment.

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Collaborate with product owners, business stakeholders, architects, and engineering teams.

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Support delivery schedules and ensure high-quality software releases.

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8. Technical Leadership and Team Collaboration

Provide technical guidance and mentorship to junior and mid-level engineers.

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Support code reviews and promote development best practices.

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Coordinate with onshore and offshore engineering resources.

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Help resolve technical challenges and guide implementation decisions.

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Communicate complex technical concepts clearly to technical and nontechnical stakeholders.

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Support team collaboration and successful project delivery.

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Required Technical Skills

Mandatory Skills:

• C# / .NET – Strong hands-on development experience.
• SQL – Strong database development and query optimization experience.
• Angular – Hands-on frontend development experience.
• AWS – Experience developing or supporting cloud-based applications.
• SOA or Event-Driven Architecture – Practical experience with service-oriented or event-driven application architecture.

Required Qualifications

5–7 years of industry experience developing large-scale software applications.

* Strong experience building enterprise web applications. * Strong programming expertise in C# and .NET.

Java experience may be an additional advantage but does not replace the mandatory C# requirement. * Strong understanding of object-oriented programming and enterprise software design principles. * Hands-on experience with JavaScript and Angular. * Experience designing and integrating RESTful APIs. * Experience with service-oriented architecture concepts and methodologies or event-driven architecture. * Strong SQL and database development knowledge. * Experience working with AWS services. * Experience with unit testing and integration testing. * Excellent debugging and application optimization capabilities. * Ability to design and guide end-to-end systems for performance and scalability. * Experience participating in all phases of Agile software development, including design, implementation, and deployment. * Strong analytical, verbal, written, communication, and presentation skills. * Ability to explain complex technical concepts to nontechnical stakeholders. * Experience providing technical guidance and supporting junior and mid-level engineers. * Prior leadership or management experience coordinating onshore and offshore resources. *

Ideal Candidate Profile

The ideal candidate is a hands-on Full Stack C# Engineer with strong experience in enterprise application development.

The candidate should have practical expertise in C#, .NET, SQL, Angular, and AWS, along with experience designing REST APIs and working with SOA or event-driven architecture.

In addition to technical capabilities, the candidate should demonstrate senior-level engineering judgment, debugging and problem-solving skills, and the ability to guide development teams.

Candidates with strong Java backgrounds but limited or no hands-on C#/.NET experience should not be prioritized.