Senior Full-Stack Software Developer – Finance & ERP Integration

Senior Full-Stack Software Developer

About SAYDAR

SAYDAR is entering an exciting stage of growth, and we are looking for a Senior Full-Stack Software Developer to help expand the capabilities of our platform. This is an opportunity to join a highly motivated engineering team with a strong, well-maintained codebase, reliable infrastructure, and a solid technical foundation already in place. You will focus on building scalable solutions that support core platform operations, helping teams manage complex processes more efficiently within one system. Working across the full technology stack, you will design and develop modules, reporting tools, dashboards, APIs, and integrations using ASP.NET, .NET Core, C#, SQL, Entity Framework, Angular, and NGRX. You will work closely with engineering, product, and leadership to translate complex business requirements into practical technical solutions. We are looking for someone who enjoys owning projects from database to user interface, solving complex technical challenges, mentoring other developers, and building systems designed to support continued growth.

Responsibilities:

• Design, develop, and maintain full-stack web applications using ASP.NET, .NET Core, C#, SQL, and Entity Framework across SAYDAR's platform
• Architect and build features that enable internal teams to manage core operational workflows directly within the SAYDAR platform
• Develop and maintain RESTful APIs and backend services that power both internal operations and external integrations
• Build and enhance responsive front-end interfaces using Angular and NGRX, with a focus on dashboards, reporting tools, and operational workflows
• Integrate front-end components with backend APIs to deliver seamless, intuitive experiences for end users
• Translate complex business requirements into scalable, maintainable technical solutions
• Collaborate with cross-functional teams including product and operations to define requirements, architecture, and technical solutions
• Conduct code reviews and contribute to raising development standards and best practices across the engineering team
• Troubleshoot and resolve issues across the full application stack including database, API, and UI layers
• Participate in Agile development processes including sprint planning, standups, and retrospectives
• Serve as a technical resource and mentor for mid-level and junior developers on the team

MUST HAVE: Required Technical Stack / Hands-On Experience

This role requires strong hands-on experience with the existing technology stack:

• Angular for frontend development
• NGRX for state management
• C#/.NET for backend services
• SignalR or similar real-time communication frameworks

Qualifications:

• Must be able to work fully onsite in Mahwah, New Jersey, five days per week. This position is not remote or hybrid.
• 7+ years of professional software development experience with strong hands-on expertise in full-stack or backend development
• Strong proficiency in ASP.NET, .NET Core, C#, SQL, and Entity Framework
• Experience building and consuming RESTful APIs, including third-party integrations
• Experience developing front-end applications using Angular and NGRX
• Familiarity with Git and modern version control workflows
• Strong problem-solving skills, attention to detail, and the ability to own projects end-to-end with minimal oversight
• Excellent communication and collaboration skills — you can speak clearly to both engineers and non-technical stakeholders

Preferred:

• Experience working on supply chain, logistics, inventory, or operational platforms
• Experience integrating with third-party APIs and external platforms
• Experience in a startup or high-growth environment where ownership and adaptability are essential

Please Note: Chefman is unable to provide visa sponsorship for this position. Candidates must be legally authorized to work in the United States on a permanent and ongoing basis without the need for current or future employer-sponsored visa support, including H-1B, OPT, STEM OPT, or any other work authorization requiring sponsorship. Applications from candidates requiring sponsorship now or in the future will not be considered.