Technical Lead – JavaScript Full Stack Developer

United States Digital Space LLC; Maharashtra; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

United States Digital Space LLC in Maharashtra, India, seeks a Lead Backend Engineer to orchestrate a team of 3–5 engineers and drive delivery of scalable web applications using Node.js and React.js. You will design secure RESTful APIs, mentor engineers, review code and enforce security standards, while collaborating with QA, DevOps, and business stakeholders to shape architecture and ML-enabled features.

Grow into a senior engineering leadership role while staying hands-on with technology and

Qualifications

• 4–5 years of backend development experience.
• Strong expertise in Node.js, Express.js and RESTful API development.
• Experience with JWT/OAuth authentication and API security.
• Hands-on ML experience (1 year) in Recommendation Systems & Predictive Analytics.
• Familiarity with MySQL, MongoDB or DynamoDB.

Responsibilities

• Lead and mentor a team of 3-5 software engineers.
• Plan sprints, allocate tasks, and ensure timely delivery.
• Design, develop, and maintain scalable web applications with Node.js and React.js.
• Build secure RESTful APIs.
• Review code and enforce coding standards and security best practices.
• Collaborate with QA, DevOps, and business stakeholders.
• Participate in solution architecture and technical decision-making.
• Estimate development efforts and monitor progress.
• Troubleshoot production issues and optimize performance.
• Support CI/CD pipelines, deployments, and production releases.

Skills

Team leadership

Sprint planning

Mentoring

Code review

Communication

Education

Bachelor's degree in Engineering/CS

Tools

Node.js

Express.js

RESTful APIs

JWT/OAuth

Asynchronous programming

API security

Logging/Monitoring

Microservices

MySQL

MongoDB

DynamoDB

Python

Scikit-learn

Pandas

Job description

Key Responsibilities

• Lead and mentor a team of 3-5 software engineers.
• Plan sprints, allocate tasks, and ensure timely project delivery.
• Design, develop, and maintain scalable web applications using Node.js and React.js
• Build secure, scalable, and high-performance RESTful APIs.
• Design and optimize relational and NoSQL databases.
• Review code and enforce coding standards, security, and best practices.
• Collaborate with QA, UI/UX, DevOps, and business stakeholders.
• Participate in solution architecture and technical decision-making.
• Estimate development efforts, allocate tasks, and monitor project progress.
• Troubleshoot production issues and optimize system performance.
• Ensure timely project delivery with high-quality code.
• Support CI/CD pipelines, deployments, and production releases.

Mandatory Required Technical Skills

• 4-5 years of experience in Backend development.
• Back end: Strong expertise in Node.js, Express.js, RESTful API development, Authentication & Authorization (JWT, OAuth), Asynchronous programming, API Security, Logging & Monitoring, Microservices Architecture, QMSDatabase: MySQL, MongoDB, Amazon DynamoDBMinimum 1 year of hands-on Machine Learning experience on Recommendation Systems and Predictive AnalyticsML Skills: Python, Scikit-learn, Pandas, NumP...

Preferred Experience

Experience with Campaign Management, Marketing Automation, CRM, Customer Engagement, Loyalty Platforms, Recommendation Engines, or E-commerce platforms is preferred.

Why Join Us?

• Lead a high-impact engineering team building AI-powered products.
• Own technical architecture and project delivery.
• Build scalable backend systems and production-ready ML solutions.
• Work directly with business leaders on innovative customer engagement platforms.
• Grow into a senior Engineering Leadership role while staying hands-on with technology.

Education

Bachelor's degree in Engineering, Computer Science, or related field (Mandatory)