Lead Backend .Net Developer

We are seeking a skilled Lead Backend Developer to play a pivotal role in the modernization of our legacy SOAP/WCF APIs to modern REST-based services. This position is crucial for enhancing our backend architecture, ensuring scalability, and maintaining backward compatibility with existing systems. The ideal candidate will lead the migration efforts, design and implement REST adapter layers, and develop OpenAPI specifications, all while ensuring seamless integration with our existing Supply Chain Management systems.

Responsibilities

As a Lead Backend Developer, you will be responsible for:

• Leading Legacy Migration: Spearhead the migration of legacy SOAP/WCF services to RESTful APIs, ensuring that the transition is smooth and maintains backward compatibility with existing systems.
• Architecting Solutions: Design and develop scalable solutions using .NET Core, focusing on performance, reliability, and maintainability.
• Implementing REST Adapter Layers: Create REST adapter layers that facilitate communication between new RESTful services and existing systems, ensuring data integrity and consistency.
• Developing OpenAPI Specifications: Create and maintain OpenAPI specifications for all new and existing APIs, ensuring clear documentation and ease of use for frontend developers and third-party integrations.
• Ensuring API Security: Implement API security best practices, including OAuth 2.0, OpenID Connect, and Multi-Factor Authentication (MFA), to protect sensitive data and ensure compliance with industry standards.
• Collaboration: Work closely with cross-functional teams, including frontend developers, DevOps, and product management, to ensure alignment on project goals and deliverables.
• Mentorship: Provide guidance and mentorship to junior developers, fostering a culture of learning and continuous improvement within the team.
• Integration with Supply Chain Management Systems: Ensure seamless integration of new services with existing Supply Chain Management systems, addressing any challenges that arise during the process.

Requirements

Must-Have Skills

• C# : Proficient in C# programming language, with a strong understanding of object-oriented programming principles and design patterns.
• .NET Core: Extensive experience with .NET Core framework for building scalable and high-performance applications.
• Microservices: Architect scalable microservices using .NET Core and RESTful principles.
• RESTful API Design: Expertise in designing and implementing RESTful APIs, with a focus on best practices for API design and usability.
• SOAP/WCF Services Architecture: Strong background in working with legacy SOAP/WCF services, understanding their architecture and how to effectively transition to REST.
• OpenAPI/Swagger Specification: Experience in developing and maintaining OpenAPI specifications, ensuring comprehensive documentation for APIs.
• Entity Framework Core: Proficient in using Entity Framework Core for data access, including knowledge of database migrations and LINQ queries.
• OAuth 2.0: Familiarity with OAuth 2.0 for authorization, ensuring secure access to APIs.
• OpenID Connect: Understanding of OpenID Connect for user authentication and identity management.
• Multi-Factor Authentication (MFA): Experience implementing MFA solutions to enhance security for API access.
• JWT Tokens: Knowledge of JSON Web Tokens (JWT) for secure data transmission and user authentication.
• API Security Best Practices: Strong understanding of API security best practices, including rate limiting, input validation, and secure data handling.
• Legacy System Modernization: Proven experience in modernizing legacy systems, with a focus on minimizing disruption and ensuring continuity of service.
• Adapter Pattern Implementation: Ability to implement the adapter design pattern to facilitate communication between different systems and services.
• File-Based Interface Development: Experience in developing file-based interfaces for data exchange between systems.
• IVR System Integration: Familiarity with integrating Interactive Voice Response (IVR) systems with backend services.

Nice-to-Have Skills

• Bachelor's Degree in Computer Science: A degree in Computer Science or a related field is preferred but not mandatory.
• Cloud Platforms (Azure): Experience with cloud platforms, particularly Azure, for deploying and managing applications.
• Containerization Technologies (Docker, Kubernetes): Familiarity with containerization technologies for application deployment and orchestration.
• Message Queuing Systems (RabbitMQ, Azure Service Bus): Understanding of message queuing systems for asynchronous communication between services.
• API Gateway Solutions: Experience with API gateway solutions for managing and securing API traffic.
• Finance Experience: Background in the finance industry is a plus, providing insight into domain-specific challenges and requirements.

Location: We are seeking talents from Peru, Colombia, Argentina, Brazil and Costa Rica.

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OAuth2.0

RESTful API

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