Principal .NET Developer

Principal .NET Developer, New York at ION

Lab
49 (a partner of ION) is seeking an experienced Principal .NET Developer focused on back‑end technologies such as C#/.NET. This is a unique opportunity to elevate your career and gain unparalleled experience in one of the world’s most dynamic business hubs.

As a Principal .NET Developer at Lab
49, you will be at the forefront of driving transformative change for our financial services clients. Operating within an Agile environment, you will tackle complex, challenging projects, leveraging robust experience in front‑end frameworks to design and construct next‑generation technology solutions.

• 10+ years of commercial‑grade web development experience.
• 5+ years of hands‑on experience in .NET development.
• Collaboration with designers and partners to provide input on design & wire‑framing.
• Experience with Agile development methodologies.
• Experience in modern JavaScript/Type Script, building web applications with React.
• Strong interpersonal and organizational skills.
• Knowledge of, and interest in, global financial markets and financial products is a strong plus.
• Bachelor’s or Master’s degree in Computer Science, Engineering, Physics, Math, or related work experience.

• Experience working in a microservices setup.
• Familiarity with Material UI, Terraform, Entity Framework, and SQL queries.
• Cloud experience (AWS preferred).
• Exposure to CI/CD tools (Team City and Jenkins preferred).

The base salary range is:

• Senior to Leadership level – $180,000 – $220,000.

Base salary is only one component of our total compensation package. Employees may be eligible for a discretionary bonus, which is determined upon company and individual performance.

Salary range disclosure as required by NYS S9427A.

Seniority level:
Mid‑Senior level.

Employment type:

Full‑time.

Job function:
Engineering and Information Technology.

Industry: Software Development.

Lab
49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business.

Lab
49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.