Senior Full-Stack Developer (.NET), New York

Sorry, this job was removed at 12:13 a.m. (CST) on Wednesday, Jul 09, 2025
New York, NY
In-Office
Information Technology
The Role
LAB49 seeking an experienced Full-Stack Developer with a primary focus in 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 Full-Stack Developer at LAB49, you will be at the forefront of driving transformative change for our esteemed Financial Services clients. Operating within an Agile environment, you will tackle complex and challenging projects, leveraging your robust experience in front-end frameworks to design and construct the next generation of technology solutions. 

Required Skills and Experience:

  • 8+ years of commercial-grade web development experience.   
  • 5+ years of solid hands-on experience in either functional coding in C#/.NET development. 
  • Collaborate with designers and other partners to provide input on design & wireframing.   
  • Experience with Agile development methodologies.   
  • Experience in modern JavaScript, ideally TypeScript, building web applications with React.  
  • Strong interpersonal and organizational skills.   
  • Knowledge of, and strong demonstrated 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.  

Nice to Have:

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

If you are ready to take on challenging projects and contribute to innovative solutions in a dynamic environment, we would love to hear from you! 

The base salary range for this role is $160,000 - $200,000. However, the base salary range may vary depending on the individual's job-related knowledge, skills and experience.

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 S9427A when hiring in New York.

Lab49/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.
Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor. 

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The Company
Bertrange
53 Employees
Year Founded: 2002

What We Do

Serving Luxembourg's IT needs since 2002, ION Group has focused its activities on 3 pillars:

ION Home: IT services for home users.
- Computer repair and maintenance
- Network Setup
- Internet Setup
- Email and Hosting Services

ION Pro: Maintenance for small and medium businesses
- Server maintenance and setup
- Network configuration and security
- Workstation
- Server and services hosting and housing

ION Development
- Website design and development
- Custom application development (Web, Mobile, iOS, Android)
- OpenSource software modifications

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