Senior Full Stack Developer

Rethink First is on a mission to inspire hope and power potential. Founded in 2008 and headquartered in NYC, Rethink First is a pioneer and market leader in behavioral and mental health technology.  

Developed by nationally recognized experts in the field, Rethink’s award-winning online solutions feature comprehensive video-based training and education programs and sophisticated behavior intervention planning tool for individuals and caregivers. Rethink’s offerings include individualized assessments, online skills-based activities, access to remote clinician-led consultations and more.  

The Rethink First platform is used by Fortune 500 companies, school districts, government agencies, public and private behavioral health providers, and families caring for individuals with developmental disabilities worldwide.  

We are looking for a seasoned Sr. Full Stack .NET Developer with a strong background in software engineering to join our dynamic team. The ideal candidate will have an extensive experience in .NET development, a deep understanding of the object-oriented approach, and a focus on producing high-quality, efficient, and ergonomic code. They will play a key role in both front-end and back-end development, ensuring the creation of robust and scalable web applications.

Key Responsibilities:

• Develop and maintain high-quality web applications using .NET Core, .NET Framework, and Angular 13+.
• Apply object-oriented principles, SOLID principles, and design patterns to create modular and maintainable code.
• Participate in the full application lifecycle, focusing on coding, debugging, testing, and troubleshooting.
• Work closely with the UI/UX team to implement responsive and interactive front-end features.
• Design and implement backend APIs using Web API.
• Ensure code quality, performance optimization, and the application of best practices.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Integrate with databases such as MS SQL and Cosmos DB.
• Utilize version control systems, primarily Git, to manage codebase and collaborate with team members.
• Stay updated with the latest industry trends and best practices to ensure the applications remain relevant and competitive.

Qualifications:

• Minimum of 6 years of experience in software engineering.
• Proven expertise in .NET development.
• In-depth knowledge of C#, T-SQL, JavaScript, HTML & CSS, and TypeScript.
• Solid experience in web development frameworks such as .NET Framework, .NET Core, Entity Framework Core, and Angular 13+.
• Familiarity with web technologies and tools like Specflow, Docker, nginx, OAuth, and SAML, Unit Tests
• Proficient with version control systems, especially Git.
• Experience in database technologies including MsSQL, ServiceBus, and Cosmos DB.
• Strong problem-solving skills, with an ability to quickly understand complex systems and identify areas of improvement.

Core Competencies:

• .NET Core, .NET Framework
• LINQ, Entity Framework Core
• MS SQL
• JavaScript, TypeScript, Angular 13+
• Plus to have: Familiarity with web technologies and tools like Azure DevOps Pipelines, Specflow, Docker, nginx, OAuth, SAML, Azure, Functions, ServiceBus,

Benefits:

• Generous health, dental & vision benefits package
• Paid time off
• 11 paid company holidays 
• 401k + matching
• Parental leave
• Professional development assistance

Location: Remote opportunities are only available to candidates who reside in the following states: AL, AZ, CT, FL, GA, IL, IN, KY, LA, MA, MD, MI, MO, NC, NH, NJ, NV, OH, PA, TX, VA, WA, WI 

Our commitment to an inclusive workplace 

RethinkFirst is an equal opportunity employer and is committed to providing a workplace free from harassment and discrimination. We celebrate the unique differences of our employees because that is what drives curiosity, innovation, and the success of our business. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, gender identity or expression, age, marital status, veteran status, disability status, pregnancy, parental status, genetic information, political affiliation, or any other status protected by the laws or regulations in the locations where we operate. Accommodations are available for applicants with disabilities. 

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Recruiting Fraud Alert: Job applicants should be aware that there are external parties posing as RethinkFirst recruiters and/or making offers of employment with RethinkFirst. These scams may include fraudulent communications via social media platforms (such as Linkedin), phone interviews, fake offer letters, or requests to fill out fabricated employment applications or make monetary payments.  Note that any recruiting related communication you receive from RethinkFirst would come from an @rethinkfirst.com e-mail address, @applytojob.com email address (via our talent acquisition system),  ‘careers@rethinkfirst.com’ email address, and/or be found on the Rethinkfirst.com website.  Please also note that at no point during our recruitment process will we request any form of monetary payment.  If you believe that you have been a victim of job recruiting fraud, you should file a report with your local law enforcement. 

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