• Location: New York NY
• Type: Contract
• Job #26562

Company Overview:
A leading financial advisory firm with a legacy as one of the oldest independent investment banks, advising clients on mergers, acquisitions, and capital markets solutions. They are seeking a Backend API Developer to design and implement secure data-access and service layers for full-stack applications.

Job Responsibilities:

• Design, develop, and maintain backend services and data-access layers for business applications.
• Build secure, scalable, and well-documented RESTful APIs and system integrations.
• Define API standards for authentication, authorization, versioning, and error handling.
• Implement application-security controls, including role-based access and encryption.
• Design and optimize relational and non-relational database structures and queries.
• Develop reusable services for data exposure to applications and reporting platforms.
• Integrate applications with third-party platforms, cloud services, and enterprise systems.
• Partner with data engineers and stakeholders to understand data requirements.
• Build automated tests for backend services and optimize API response times.
• Establish application observability through logging, metrics, and monitoring.
• Integrate services into CI/CD pipelines and support automated deployment processes.
• Participate in architecture reviews, code reviews, and production support.
• Create and maintain technical documentation and mentor other engineers.

Qualifications:

• 10–12 years of professional software engineering experience.
• Deep experience in building production backend services, APIs, and data-access components.
• Proficiency in backend development languages such as Python, C#/.NET, Java/Spring Boot, or Node.js/TypeScript.
• Advanced experience with RESTful APIs and microservices-based architectures.
• Strong knowledge of API security, including OAuth 2.0 and JWT.
• Advanced SQL skills and experience with relational databases like SQL Server or PostgreSQL.
• Experience with secure software development practices and data protection.
• Experience with automated testing and CI/CD pipelines.
• Understanding of object-oriented design and distributed-system concepts.
• Experience with Git, containerization, and modern deployment practices.

Compensation:
Pay Rate: $110 – $140/hr