Senior Software Engineer

interstatewaste· Information Technology
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📍 Teaneck, NJ, USOTHER

About this role

Overview

This position has an On-Site Requirement in Teaneck NJ

 

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the greater New York, New Jersey and Connecticut markets with a rail-served landfill in Ohio.  IWS is committed to delivering high-quality waste, recycling and environmental services, while prioritizing the safety of our employees, customers and communities. We cater to a diverse range of industrial, medical and commercial/residential customers.

Founded in 1998, IWS has grown over the years through acquisitions, many of which were family-owned businesses that remain a part of our team today. We’re proud to combine the resources of a large company with the values and care of a family-run business.

 

Essential Job Functions: To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Other minor duties may be assigned.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.  Other duties may be assigned. 

 

  • Design, develop, test, implement, and maintain business-critical applications and workflows using Microsoft .NET technologies.
  • Analyze user and business requirements to define technical specifications and scalable solution designs.
  • Translate functional requirements into intuitive, efficient, and maintainable application workflows.
  • Develop and maintain RESTful APIs and lead integrations across internal and SaaS platforms.
  • Write, optimize, and maintain SQL queries, stored procedures, and relational database structures.
  • Create and maintain system design documentation, technical specifications, and architectural diagrams.
  • Review peer code, architecture, and documentation to ensure quality and adherence to standards.
  • Contribute to development standards including source control, CI/CD, deployment, and environment management.
  • Support performance tuning and scalability initiatives for high-concurrency applications.
  • Assist in maintaining technical artifacts such as data dictionaries and application catalogs.
  • Collaborate cross-functionally with IT and business stakeholders to deliver effective solutions.
  • Monitor emerging technologies and recommend improvements to enhance performance and usability.
  • Maintain detailed documentation and prepare release notes for enhancements.
  • Participate in critical decisions related to architecture, integrations, and software selection.

 

Requirements and Qualifications:

  • Required:
    • Minimum (5) five years of experience in a developer role in full stack environment
    • Robust Experience with  C# programming, and .Net 8+
    • Knowledge on SQL queries, SQL Server, and relational database technology.
    • Experience with Rest API development, integration knowledge and middleware integration expertise.
    • Experience developing critical applications with large concurrent user bases from a performance and scalability standpoint
    • Experience with Azure cloud services.
  • Preferred
    • Experience with Blazor.
    • Experience with CI/CD pipelines, and Azure DevOps.
    • Experience with finance and payment solutions.
    • Experience with mobile app development.
  • Must have experience in the analysis, design, development, testing and implementation of enterprise scale apps.
  • Ability to handle change, multitask and keep up with a fast pace and consistently growing environment.
  • Strong problem solving and creative skills and the ability to exercise sound judgment and make decisions based on accurate and timely analyses.
  • Should have requirement gathering and documentation experience.
  • Should be able to work closely with the business stakeholders and work towards the solutioning of the requirements.
  • Effective written and verbal communication.
  • Experience developing or maintaining customer facing hybrid web applications preferred.

Additional Information

 

This job description is intended to be an accurate representation of the general functions of the job, rather than exhaustive list of duties, responsibilities, or experience. Other duties may be assigned, requested, or required. Aspects of the job may be altered without notice.

 

Interstate Waste Services provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Salary Range Minimum

USD $125,000.00/Yr.

Salary Range Maximum

USD $160,000.00/Yr.

Frequently Asked Questions

Is the salary disclosed for the Senior Software Engineer position at interstatewaste?
The salary for this Senior Software Engineer role at interstatewaste is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Software Engineer position at interstatewaste located?
This Senior Software Engineer role at interstatewaste is based in Teaneck, NJ, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Software Engineer role at interstatewaste full-time or part-time?
This is listed as a OTHER position. It is posted as a Senior Software Engineer role in the Information Technology department at interstatewaste.
Which team or department does the Senior Software Engineer at interstatewaste belong to?
This Senior Software Engineer position is part of the Information Technology department at interstatewaste. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer position at interstatewaste?
Click the "Apply Now" button on this page. You will be redirected to interstatewaste's official application portal hosted on icims where you can submit your application directly.
When was the Senior Software Engineer job at interstatewaste posted?
This Senior Software Engineer position at interstatewaste was posted on Jun 4, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer
interstatewaste
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