Senior Backend Developer - NodeJs, Express Js

Ultimez Technology Pvt Ltd; Hubli; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Ultimez Technology Pvt Ltd is seeking a skilled Backend Developer with 2+ years of experience. The role focuses on building scalable backend architectures using Node.js, Express, and TypeScript, with MongoDB for NoSQL storage and BigQuery for analytics.

Secondary work includes supporting frontend integration with Next.js and React, optimizing performance, ensuring code quality, and applying Prompt Engineering for AI features. Strong testing and security practices are expected.

Qualifications

• Minimum 2 years of professional backend development experience.
• Strong proficiency in JavaScript/TypeScript and Node.js ecosystem.
• Experience with MongoDB NoSQL and BigQuery for analytics.
• Ability to design scalable RESTful APIs and real-time features with WebSockets.

Responsibilities

• Design and maintain scalable backend systems using Node.js, Express.js, and TypeScript.
• Develop secure RESTful APIs and integrate third-party services.
• Manage MongoDB databases and leverage BigQuery for analytics.
• Apply Prompt Engineering to integrate AI capabilities into backend workflows.
• Write automated tests with Jest and perform thorough manual testing.
• Collaborate with frontend teams using Next.js/React for seamless integration.

Skills

JavaScript

TypeScript

Node.js

Express.js

WebSockets

MongoDB

BigQuery

Prompt Engineering

RESTful APIs

Tools

Git/GitHub

VS Code

Redis

Jest

Postman

Talend API

Job description

Recruitment Process

Assesment Round

After submitting the application, candidates are required to complete this assessment. This is to evaluate candidates skill set required for this role.

Interview Round

Shortlisted candidates are requested to appear for this round in order to qualify for the interview rounds. This is to evaluate candidates communication, writing and other important skills.

Job Description

About the Job

We are looking for a skilled Backend Developer with at least 2 years of experience to join our engineering team. The ideal candidate is a specialist in Node.js, Express, and MongoDB, with a strong grasp of TypeScript and modern data technologies like BigQuery.

While your primary focus will be building scalable backend architectures and robust APIs, you will also leverage your secondary skills in Next.js and React to support frontend integration. You will play a critical role in optimizing application performance, ensuring code quality, and implementing AI-driven features through Prompt Engineering

Key Responsibilities

• Backend Architecture & Development: Design and maintain scalable backend systems using Node.js, Express, and TypeScript. Build and manage complex API routes and real-time features using WebSockets.
• Database Management: Architect and manage NoSQL databases (MongoDB) for high availability and performance. utilize BigQuery for data warehousing and analytics tasks.
• API & Integration: Develop secure RESTful APIs and integrate third-party APIs. Handle Next.js API routes to support frontend requirements.
• AI Integration: Apply Prompt Engineering techniques to integrate LLM/AI capabilities into the backend workflow.
• Testing & Quality Assurance:
  • Write and maintain automated unit tests using Jest.
  • Perform comprehensive manual testing, including Functional, API, Performance, and Security testing.
• Performance Optimization: Monitor and optimize application performance using tools like New Relic and Clarity. Implement caching strategies using Redis.
• Frontend Collaboration: Collaborate on frontend tasks using Next.js, React, and Tailwind CSS to ensure seamless integration between server and client..

Technical Requirements

Primary Stack (Must Have)

• Languages: Strong proficiency in JavaScript (ES6+) and TypeScript.
• Frameworks: Expert-level knowledge of Node.js and Express.js.
• Database: Deep understanding of MongoDB (NoSQL) and experience with BigQuery.
• Key Concepts: Real-time communication (WebSockets) and Prompt Engineering for AI applications.

Secondary Stack (Good To Have)

• Frontend: proficiency in React.js and Next.js.
• Styling: Experience with Tailwind CSS.

Tools & Environment

• Version Control: Git & GitHub.
• IDE: VS Code.
• Caching: Redis.
• Testing: Jest (Automation), Postman / Talend API (Manual API Testing).
• Monitoring: New Relic, Microsoft Clarity.

Candidate Profile

• You have a minimum of 2 years of professional experience in backend development.
• You are detail-oriented with a strong focus on Code Quality and security best practices.
• You are comfortable wearing multiple hats—primarily a backend engineer, but capable of handling frontend tasks when required.
• You have a problem-solving mindset and can troubleshoot complex performance issues.