5BAC: Back-end Engineer - AI & Automation Foundational Platform

1\. : Back\-end Engineer \- AI \& Automation Foundational Platform 1\. **Location**: Remote 1\. Rate\- Rate as per market for medium\-level candidate 1\. Duration\- Atleast 6 months and more. 1\. Language\- Bilingual (english and portuguese) **Job Description:** We are seeking a highly motivated and self\-driven back\-end Engineer. You will play a pivotal role in designing, implementing and delivering a foundational platform for AI and Automation, leveraging Microsoft Azure as the primary technology stack. This platform will power next\-generation AI enabled business processing services, focusing initially on creating robust user interfaces enabling advanced data capabilities—including ingestion, mapping, and extraction for structured, semi\-structured, and unstructured data as well as building agentic AI intelligent interfaces. **Key Responsibilities** * Design, develop, and deploy scalable, secure, and robust back\-end solutions on Azure, with an emphasis on back\-end components. * Ensure software engineering best practices across design, code, and testing across node.js APIs and maintain high quality documentation. * Troubleshoot, debug, and upgrade existing back\-end components and services as the platform grows. * Experience working in an integrated DevOps and CI/CD environment and awareness of practices for streamlined deployment and platform reliability * Work independently with minimal supervision, proactively identifying and addressing challenges and opportunities. **Required Skills \& Qualifications** * Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. * 5\+ years of experience in back\-end development, with hands\-on expertise in both back\-end technologies. * Proficiency in Node.js, Azure App Services, API development * Understanding of front\-end application integration and deployment architecture * Experience working with relational (PostgreSQL) and NoSQL databases (CosmosDB/Azure Data Lake), Azure Blob Storage. * Experience building AI agents involving Python programming, LLM APIs * Strong understanding of Agentic AI * Hands\-on experience with LangChain * Familiarity with handling structured (e.g., databases, CSV), semi\-structured (e.g., JSON, XML), and unstructured data (e.g., documents, images, text). * Solid understanding of RESTful APIs, microservices architectures, and cloud\-native design patterns. * Experience with source control (e.g., Git), CI/CD pipelines, and DevOps practices. * Excellent problem\-solving skills, attention to detail, and a proactive, self\-starting attitude. * Strong communication skills, with the ability to work effectively in cross\-functional teams. **Good to have / Preferred Qualifications** * Experience with Building and optimizing data pipelines for ingesting, mapping, and extracting data from a variety of sources and formats (structured, unstructured, and semi\-structured). * Strong experience with Microsoft Azure services and building data pipelines, including (but not limited to) Azure App Services, Azure Functions, Azure Storage, and Azure Data Factory. * Demonstrated experience in building data ingestion, mapping, and extraction workflows for diverse data formats. * Knowledge of data security, privacy, and compliance best practices on Azure. * Exposure to business processing services or enterprise transformation projects. * Experience with containerization (Docker, Kubernetes) and Infrastructure as Code (IaC).