Senior Backend Engineer

Profile: 𝐍𝐨𝐝𝐞.𝐣𝐬 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

Location: 𝐀𝐧𝐝𝐡𝐞𝐫𝐢 𝐄𝐚𝐬𝐭, 𝐌𝐮𝐦𝐛𝐚𝐢, 𝐌𝐚𝐡𝐚𝐫𝐚𝐬𝐡𝐭𝐫𝐚

Experience: 2+ 𝐘𝐞𝐚𝐫𝐬 𝐄𝐱𝐩

Work Mode: 𝐇𝐲𝐛𝐫𝐢𝐝

𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤:

✅ Node.js & Express.js

✅ MongoDB & Mongoose

✅ RESTful APIs & GraphQL

✅ JavaScript (ES6+) & TypeScript

✅ JWT Authentication

✅ Docker & Containerization

✅ Git Version Control

✅ Postman/Thunder Client

Job Title: Back-End Developer

Department: IT

Experience: 3.5 Years+

Location: Mohali

Shift: Rotational Shifts

Employment Type: Full-time

Job Overview:

The Senior Backend Developer will be responsible for the full lifecycle of our backend services, focusing on architecture, security, and performance.

Key Responsibilities:

• Core API Development & Logic: Design, build, and maintain robust, scalable, and secure RESTful/ GraphQL APIs using Node.js and Python to serve both internal and external consumers.
• System Architecture: Lead the design and implementation of application components, focusing on microservices architecture, ensuring services are loosely coupled and highly available.
• Database Management: Expertly manage and optimize complex database schemas and queries for both SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis) systems, ensuring data integrity and high performance.
• Performance and Scalability: Identify and resolve performance bottlenecks, implement caching strategies, and optimize server-side code and architecture for maximum speed and scalability.
• Code Quality and Standards: Write clean, efficient, well-documented, and testable code. Conduct thorough code reviews and mentor junior developers on best practices, design patterns, and coding standards.
• Security Implementation: Implement security and data protection settings,including authentication, authorization, and encryption protocols.
• DevOps and Deployment: Work with DevOps pipelines (CI/CD, Docker, Kubernetes) for smooth and automated deployment of services to cloud platforms (AWS/Azure/GCP).
• Collaboration: Work closely with cross-functional teams (Frontend, Product, QA) to understand requirements and translate them into technical specifications and deliver high-quality features.

Required Skills & Qualifications:

• Programming Expertise: Deep, demonstrable expertise in Node.js and Python.
• Node.js: Strong command of asynchronous programming, event loops, and related frameworks (e.g., Express.js).
• Python: Extensive experience with web frameworks (e.g., Django, Django Rest Framework, Flask).
• API Design: Proven ability to design and implement highly performant and secure RESTful APIs. Experience with GraphQL is a strong advantage.
• Databases: Expert knowledge of both Relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis, Cassandra). Proficiency in query optimization and schema design.
• Cloud & Tools: Experience with cloud computing platforms (e.g., AWS, Azure, or GCP). Proficiency with Docker and Git.
• Testing: Strong experience with unit, integration, and end-to-end testing frameworks.

Soft Skills & Leadership

• Problem-Solving: Excellent analytical and problem-solving skills with a track record of troubleshooting complex production issues.
• Communication: Strong verbal and written communication skills to articulate technical decisions and collaborate effectively with diverse teams.
• Ownership: Proven ability to take ownership of complex projects, drive them to completion, and manage technical debt.

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

Roles and Responsibility: 

∙ Develop functional and fast-responsive web applications, using markup languages. ∙ Maintain websites. 

∙ Elaborate mobile-based and web-based features. 

∙ Troubleshoot apps for bugs. 

∙ Fix bugs if necessary and improve usability. 

∙ Improve apps for maximum speed. 

∙ Troubleshoot UI and improve its performance accordingly. 

∙ Employ the latest technology in order to re-built legacy apps. 

∙ Integrate UI elements with server-side ones. 

∙ Detect and fulfill front-end and back-end requirements. 

∙ Perform training and support activities. 

∙ Develop reusable code. 

∙ Write comprehensive manuals, guides, and documents. 

∙ Compile prototype and quality mockups. 

∙ Make sure that high-quality graphic standards are met.

•  Past experience working with chatbots.
• Post-academic, real world experience in bring public-facing production projects to completion
• Improve dialog flow to handle those recurring questions / develop new actions

• Help with handling of multilingual support

- Notice Period : 0 to 30 Days
- Experience - 7+ Year's 
- Work from home till pandemic