Senior Lead Full Stack Developer

Role Description

• Design, build, and maintain secure backend APIs using C#, .NET Core/.NET 6+, and ASP.NET Core, focusing on authentication, authorization, and secure service communication.
• Implement and support Entra ID/Azure AD authentication flows, including OAuth, JWT, managed identities, and token-based access patterns across backend services and web applications.
• Help modernize existing systems by supporting migration efforts to Entra ID and Azure-based identity solutions, while identifying opportunities to improve API security and application architecture.
• Partner closely with senior architects and engineering teams to align development work with established security standards, cloud architecture patterns, and Azure best practices.
• Actively leverage AI tools to streamline tasks, improve the quality of your work, and share best practices with teammates while continuously seeking new ways to integrate AI into your everyday workflows.
• Collaborate with front-end developers using Vue.js, React, or Angular to support authentication flow design and ensure backend identity patterns integrate effectively with the user experience.
• Develop and enhance secure service-to-service integrations within a distributed or microservices-based environment, ensuring APIs are reliable, scalable, and protected.
• Troubleshoot authentication issues across backend services and front-end applications, helping ensure login, access, token handling, and authorization flows work smoothly for end users.
• Contribute to technical design discussions, code reviews, and system improvements with an emphasis on clean code, secure development practices, and long-term maintainability.

Qualifications

• Consultative approach and problem-solving skills to successfully align digital solutions with long-term business goals of the client.
• Hands-on experience using AI tools to enhance daily work, or a strong desire to do so, including a willingness to experiment, learn, and champion AI adoption within your role.
• Commitment to understanding and exceeding client expectations.
• Ability to perform project oversight and execution of deliverables.
• Flexibility to adapt within a high-growth organization.
• Ability to lead, mentor, and motivate those around them.
• Hunger for continuous learning and professional development.
• Intellectual curiosity to provide creative solutions.
• Full understanding of the software development life cycle.
• Ability to positively impact fellow colleagues through effective leadership, presentations, coaching, etc.
• Desire to work in a team environment.
• Good interpersonal, written, and verbal communication skills.

Requirements

• Regardless of your specific role, we seek individuals who are excited to explore, adopt, and evangelize AI tools and methodologies.
• If you have experience in AI or a proven track record of rapidly learning and mentoring others on emerging tech, you’ll fit right in.

Equal Employment Opportunity Policy

Sparq is proud to offer equal employment opportunity without regard to age, color, disability, gender, gender identity, genetic information, marital status, military status, national origin, race, religion, sexual orientation, veteran status, or any other legally protected characteristic. We are committed to providing equal employment opportunities and believe in an inclusive workplace. If you require reasonable accommodations to participate in the job application or interview process, please let us know by contacting View email address on remotive.com .

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