India - Backend Lead -

Role Summary
We are seeking a highly experienced and motivated Backend Lead Engineer with 5-7 years of hands-on development expertise in , to lead the design, development, and deployment of high-performance, scalable applications. The ideal candidate will have extensive experience with serverless architectures (AWS Lambda), NoSQL databases (DynamoDB/MongoDB), and microservices principles. This role involves leading a small team, setting technical direction, and ensuring the stability and responsiveness of our core systems.

Key Responsibilities
Technical Leadership & Development :

• Lead the development, maintenance, and enhancement of all server-side network components using and its associated frameworks, primarily Express.
• Develop high-performance, testable, reusable, and efficient code, adhering to functional programming and object-oriented design principles.
• Ensure optimal performance of the central database (DynamoDB/MongoDB) and high responsiveness to front-end requests across the application portfolio.
• Design and implement user authentication and authorization solutions across multiple systems, servers, and environments to ensure robust security.
• Implement effective security protocols, data protection measures, and reliable storage solutions.
• Run diagnostic tests, repair defects, and provide critical technical support for production systems.

Architecture & Strategy

• Lead the adoption and execution of Serverless architecture (AWS Lambda) and maintain existing Microservices infrastructure.
• Apply a deep understanding of fundamental design principles behind scalable and resilient applications.
• Document all processes, including detailed database schemas and API specifications, and prepare technical reports.
• Recommend and implement continuous improvements to development processes, tools, and technologies.
• Keep informed of advancements in the field of development, JavaScript, web stacks, libraries, and frameworks, championing best practices within the team.

Collaboration & Quality Assurance

• Collaborate closely with front-end developers on the seamless integration of user-facing elements with server-side logic.
• Implement automated testing platforms, comprehensive integration tests, and robust unit tests to ensure code quality and stability.

Required Skills & Qualifications
Must-Have Technical Expertise (5-7 Years) :

• Extensive hands-on experience (5+ years) with development.
• Proven expertise with core frameworks, especially Express.
• Deep experience with Serverless architecture and services, specifically AWS Lambda.
• Hands-on experience with DynamoDB and MongoDB, including schema design, performance tuning, and scaling.
• Proficiency in data manipulation and modeling using Mongoose (for MongoDB).
• Thorough understanding of Microservices architecture and experience designing and implementing services from scratch.
• Extensive knowledge of JavaScript (ES6+), web stacks, libraries, and best practices.

General Skills

• Strong understanding of security best practices, including OAuth, JWT, and data encryption.
• Experience with version control systems (Git) and CI/CD pipelines.
• Knowledge of front-end technologies such as HTML5 and CSS3 for effective collaboration and API definition.

Leadership & Soft Skills

• Superb interpersonal, communication, and collaboration skills, capable of mentoring junior engineers and communicating technical strategy to non-technical stakeholders.
• Exceptional analytical and problem-solving aptitude for debugging complex distributed systems.
• Demonstrated ability to drive projects to completion and take ownership of critical system components.

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