Senior Full Stack .NET Developer

Solution Street; Herndon (VA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Solution Street is seeking a Senior Full Stack .NET Developer to modernize systems for commercial clients. This role emphasizes deep expertise in .NET, C#, Angular, secure API design, and Azure cloud deployments, with opportunities to mentor others and build scalable software from the ground up.

You will work with a skilled team to design and implement RESTful APIs, integrate with third‑party services, and ensure performance and security across the stack in a remote-friendly, collaborative

Qualifications

• 8+ years of full-stack software development experience.
• Expert-level proficiency with .NET, C#, and SQL Server.
• Strong frontend experience using Angular.
• Experience designing and securing RESTful APIs (JWT, OAuth).
• Solid knowledge of Azure.
• Experience with third-party APIs and message queues.
• Background in application security, performance tuning, and scalability.
• Familiarity with Agile Scrum.
• Excellent communication, collaboration, and mentorship skills.

Skills

Full-stack dev

Angular

RESTful APIs

JWT/OAuth

Azure

Security

Performance tuning

Scalability

Agile Scrum

Mentorship

Communication

Tools

Azure Cloud Services

Job description

At Solution Street, our employees have many opportunities to work on interesting, challenging projects supporting clients one-on-one in various domains primarily in the commercial space. Our company culture thrives on our five core values: Honesty, Respect, Transparency, Dependability, and FUN! They're embedded in everything we do and how we do it!

We are seeking an experienced Senior Full Stack .NET Developer for a modernization project. This position requires deep expertise in full-stack .NET development, Angular, secure API design, and Azure cloud deployments. If you enjoy solving complex problems, mentoring others, and building scalable software from the ground up, this will be a great role for you!

Required Skills & Experience

• 8+ years of full-stack software development experience.

• Expert-level proficiency with .NET, C#, and SQL Server.

• Strong frontend experience using Angular.

• Proven ability to design and secure RESTful APIs (JWT, OAuth).

• Solid knowledge of Azure.

• Experience integrating with third-party APIs and using message queues.

• Background in application security, performance tuning, and scalability.

• Familiarity with Agile Scrum methodologies.

• Excellent communication, collaboration, and mentorship skills.

Preferred Qualifications

• Prior experience with modernization projects.
• Azure certifications.

Why Join Us?

• Collaborate with a talented, experienced team of developers and technical leaders.

• Enjoy flexibility with a remote-friendly environment.

About Solution Street

Solution Street, a software engineering firm, was founded by a software developer who envisioned a safe haven for software engineers who wanted to work on interesting, fun projects. Since 2002, we’ve stuck by this principle and as a result, we’ve developed long, lasting relationships with our clients and have a team of great developers who love what they do.

We enjoy working with cutting edge technologies and providing solutions to complex business problems. Our employees are experts in building large, highly scalable and well performing web applications using many technologies. We are Microsoft and AWS partners.

At Solution Street we value all employees and job candidates as unique individuals, and we welcome the variety of experiences they bring to our organization. As such, we have a strict non-discrimination policy. We believe everyone should be treated equally regardless of race, sex, gender identification, sexual orientation, national origin, native language, religion, age, disability, marital status, citizenship, genetic information, pregnancy, or any other characteristic protected by law.

What's In It for You?

Depending on the position and the candidate’s location, not all roles are available for W-2 employment. In some cases, we may consider engagement through a 1099 contractor arrangement. We offer a relaxed, fun, flexible, working environment with competitive salary + bonus + 100% paid health/dental to employee + life insurance + PTO + long-term and short-term disability + 401(k). Solution Street automatically contributes to employees' 401(k) plans. We are passionate about technology and we share our thoughts and discoveries in our monthly newsletter. To subscribe to our latest blog, please visit: https://us10.list-manage.com/subscribe?u=6a3b68411070f7dab1adb3a8b&id=f0193ac93e. Solution Street is also a sponsor of NOVA SART (Northern Virginia Software Architecture Round Table Group). Please visit www.solutionstreet.comor check out our Face page https://www.facebook.com/solutionstreet for more information regarding our company culture, the charities we support, and the fun events we do together!

As required by law, Solution Street has provided a good-faith estimate of the compensation range for this position. The compensation offered to a selected candidate will be based on a variety of factors, including, but not limited to, relevant skills, experience, education, training, certifications, licensure, and other job-related qualifications. To maintain opportunities for salary growth and reward strong performance over time, new hires are generally not placed at the top of the compensation range. Final compensation is determined based on the specific facts and circumstances of each candidate and the position.