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Senior Software Developer

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: T&M Associates
Full Time position
Listed on 2025-12-05
Job specializations:
  • Software Development
    C# / Unity Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 104500 - 135000 USD Yearly USD 104500.00 135000.00 YEAR
Job Description & How to Apply Below

Join to apply for the Senior Software Developer role at T&M Associates

T&M Associates is excited to welcome a highly motivated Senior Software Developer to our growing Technology Department. This is a HYBRID opportunity with three required in‑office days each week. A person in this role could support any of our three office locations in Pennsylvania – Philadelphia, King of Prussia or Bethlehem. We’re looking for someone who is eager to contribute, collaborate, and grow with us as we continue expanding our digital capabilities.

The ideal candidate will have extensive experience with C#, ASP.NET, SQL Server, and JavaScript. This individual will be responsible for designing and developing software applications, mentoring junior developers, and providing technical leadership.

Key Responsibilities
  • Design and develop software applications that align with business requirements.
  • Mentor junior developers and offer technical leadership.
  • Collaborate with cross‑functional teams to develop new features and applications.
  • Participate in code reviews to ensure quality and maintainability.
  • Develop and maintain technical documentation.
Qualifications
  • 7+ years of relevant experience in application development, or a combination of education and experience.
  • Proficiency in C#, JavaScript, HTML, CSS, SQL, IIS, Azure, XML, REST, Entity Framework, and Visual Studio.
  • Strong understanding of the application lifecycle, full‑stack development, databases, and application services.
  • Experience with Blazor, MVC, React, and Bootstrap is a plus.
  • Familiarity with Git, CI/CD pipelines, and Azure Dev Ops (or equivalent tools).
  • Familiarity with Agile principles and Scrum framework (certifications are a plus).
  • Familiarity with AI‑assisted development tools (e.g., Git Hub Copilot) and the ability to leverage these tools responsibly in day‑to‑day engineering tasks.
  • Microsoft Certified Solutions Developer (MCSD) certification and industry certifications in Microsoft technologies (.NET, SQL Server, Azure, etc.) are a plus.
  • Strong organizational, analytical, and communication skills.
  • Ability to manage multiple priorities and tasks effectively.
  • Willingness to travel as needed for projects and opportunities.

T&M Associates is committed to pay transparency and equitable compensation practices in compliance with applicable laws, including the New Jersey Equal Pay Act. T&M estimates that the salary range for this position will fall between $104,500 and $135,000. The actual salary offered may vary within this range, depending on a variety of factors including the candidate’s experience, educational qualifications, specific skills and knowledge, as well as internal pay equity and geographic location.

T&M Associates offers a competitive and comprehensive benefits package designed to support the health, well‑being, and professional growth of our employees. Benefits include comprehensive insurance (medical, dental and vision), a 401(k) with company match, paid time off, flexible work schedules, wellness programs, and professional development opportunities—all within a people‑first, award‑winning hybrid work environment.

If this sounds like a company you want to be part of, then apply now!

New hires must have documents indicating they are eligible to work in the United States. EEO/AA Employer.

For California‑based applicants, our CCPA‑CRPA Privacy Notice can be found on our Careers page at

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Position Requirements
10+ Years work experience
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