Principal Software Engineer - Application Development | Hybrid - 1 day | Secaucus, NJ

Principal Software Engineer - Application Development .NET and JavaScript/TypeScript | Hybrid - 1 day | Secaucus, NJ We are looking to hire a candidate with the mentioned skill sets and experience for one of our clients within the transportation/finance Industry. This is a Contract-to-Hire opportunity with expectations of becoming a full-time employee. This is a HYBRID role in Secaucus, NJ. (1 day per week) The ideal candidate will: Work Authorization : Only U.S. Citizens and Green Card holder s will be considered. Be available to work from the Secaucus, NJ office at least 1 day per week (Wednesday) or as requested. This is subject to change and likely to be more frequent at the start of the assignment as needed. Pass background check requirements. Job Summary: We are seeking an experienced Principal Software Engineer/Architect to architect, design, and lead the development of core software platforms and enterprise applications. This role will provide technical leadership across the full software development lifecycle while driving cloud-native architecture, modernization initiatives, AI/GenAI adoption, and engineering best practices across the organization. Key Responsibilities: Architect, design, and develop scalable, reliable software platforms and applications Provide technical leadership throughout the SDLC Drive software engineering best practices , coding standards, testing, CI/CD, and security Design and implement AI/GenAI solutions and AI-powered applications Work with business stakeholders, architects, and development teams to deliver technical solutions Solve complex challenges involving architecture, integrations, performance, and data processing Remain hands-on with development, code reviews, troubleshooting, and implementation Create architecture diagrams, technical documentation, and design specifications Mentor engineers and promote knowledge sharing Drive continuous improvement in software quality, reliability, and developer productivity Required Skills & Qualifications: 10+ years of software development experience Strong C#/.NET and JavaScript/TypeScript Experience with APIs, Node.js, backend services, and scalable web applications Strong Azure and/or AWS cloud experience Experience with Docker, microservices, and cloud-native applications Strong knowledge of software architecture, design patterns, event-driven systems, DDD, and API-first design Hands-on AI/GenAI/LLM integration and AI-powered development Experience with SQL and NoSQL databases .NET modernization and cloud migration experience Understanding of security, networking, hybrid cloud, and system integrations Strong Agile experience Proven technical leadership, architecture, mentoring, and stakeholder collaboration Kubernetes/DevOps is a plus, not a primary requirement Other Job Details: Duration: 6+ Month Contract-to-Hire (Opportunity to convert to a full-time employee based on performance) Pay Rate: $80/hr. on C2C. or $70/hr. on W2. (Negotiable) Interviews: Video interviews/In-person Docs required: ID proof will be required. Be available to work from the Secaucus office at least 1 day per week (Wednesdays) or as requested.