Web Developer - MEAN/MERN Stack

Job Title: Principal Backend Engineer

Experience: 7+ Years

Location: Panchkula (Onsite)

📍 Office will move to IT Park, Chandigarh from February

Work Mode: Onsite | 5 Days a Week

About the Role

We are looking for a Principal Backend Engineer to architect, scale, and lead the development of robust backend systems. This is a hands-on leadership role where you’ll drive technical decisions, mentor engineers, collaborate closely with clients and product teams, and help modernize platforms using scalable architectures and emerging technologies, including AI/ML where relevant.

Tech Stack

• Backend: PHP (Laravel / CodeIgniter), Node.js
• Databases: MySQL, MongoDB
• Architecture: Microservices / Modular Monolith
• Cloud (Good to Have): AWS / GCP

Key Responsibilities

Backend Architecture & Development

• Own and evolve backend architecture across PHP and Node.js services
• Design and review scalable, maintainable systems (microservices or modular monoliths)
• Manage and optimize integrations across MySQL and MongoDB (data modeling, indexing, performance tuning)

Technical Leadership

• Lead system design discussions, architecture reviews, and code quality initiatives
• Establish backend development standards, best practices, and documentation
• Mentor mid and senior engineers on design patterns, testing strategies, and CI/CD pipelines
• Drive decisions around refactoring legacy systems and platform modernization

Client & Stakeholder Communication

• Act as the technical SPOC for backend architecture and integrations
• Translate business and product requirements into technical solutions
• Explain trade-offs, constraints, and backend workflows to non-technical stakeholders
• Present PoCs and technical approaches confidently to clients

AI & ML Integration (Strategic / Optional)

• Identify backend use cases for AI such as personalization, recommendations, fraud detection, or data enrichment
• Design backend APIs, services, or cron jobs that interact with AI/ML models
• Collaborate with data teams and stay updated on AI tools/APIs (e.g., OpenAI, LangChain)

Scalability, Security & Performance

• Ensure API security, role-based access control, and rate limiting
• Optimize system performance using caching, queues, and query optimization
• Plan and support horizontal/vertical scaling on cloud infrastructure

What We’re Looking For

• 8+ years of backend development experience in PHP and/or Node.js
• Strong expertise in database design (MySQL & MongoDB)
• Proven experience leading architecture decisions and mentoring engineers
• Ability to clearly communicate technical concepts to clients and stakeholders
• Proactive mindset toward scalability, performance, and system resilience
• Bonus: Experience or curiosity around AI APIs and real-world AI integration

Why Join uEngage?

• Work on high-impact systems used by thousands of users
• Collaborate with product, design, data, and client teams
• High ownership and freedom to architect and innovate
• Competitive compensation and a collaborative work culture

Job description

• Database Design & Development:
• Design, implement, and maintain PostgreSQL databases.
• Develop efficient schemas, indexes, and stored procedures to optimize data performance.
• Backend Development:
• Develop RESTful APIs and backend services using Node.js.
• Integrate databases with backend applications for seamless data flow.
• Query Optimization & Performance Tuning:
• Optimize SQL queries for performance and scalability.
• Monitor database health and troubleshoot slow queries or deadlocks.
• Security & Compliance:
• Implement database security best practices, including role-based access control (RBAC) and encryption.
• Ensure compliance with industry standards like GDPR, HIPAA, etc.
• Data Migration & Backup:
• Develop and maintain data migration scripts between different PostgreSQL versions or other databases like mongodb.
• Set up and manage database backup and recovery strategies.
• Write efficient SQL queries and manage database schemas using PostgreSQL.
• Build RESTful APIs and integrate third-party APIs/services.
• Optimize application performance and troubleshoot production issues.
• Ensure data security and protection practices are followed.
• Write clean, maintainable code and participate in code reviews.

Required Skills:

● Expert in Python, with knowledge of at least Django (More web frameworks are a plus)

● Familiarity with some ORM (Object Relational Mapper) libraries

● Able to integrate multiple data sources and databases into one system

● Understanding of the threading limitations of Python, and multi-process architecture

● Good understanding of server-side templating languages (such as Jinja 2, Mako, etc depending on your technology stack)

● Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 (is a plus)

● Understanding of accessibility and security compliance

● Knowledge of user authentication and authorization between multiple systems, servers, and environments

● Understanding of fundamental design principles behind a scalable application

● Familiarity with event-driven programming in Python

● Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform

● Able to create database schemas that represent and support business processes

● Strong unit test and debugging skills

● Proficient understanding of code versioning tools

● Knowledge of application deployment process and server set up

● Integration of data storage solutions

Responsibilities:

● Owning one or more of the web services; adding new features, resolving bugs, and refactoring/ improving code base.

● Design and implementation of low-latency, high-availability, and performant applications

● Translating product requirements into functional, maintainable, extensible software that is in-line with company objectives.

● Good knowledge of software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, & agile development.

● Work on cutting-edge web technologies to make a powerful impact on 1M+ enterprise users

● Be part of a growing team that will design, develop, and test software and cross-product applications which span across different Planview products

● Work in an agile engineering team writing maintainable and scalable code for software components and influencing team decisions

● Contribute to the product’s architecture vision and execution, working closely with cross-product teams and other leaders within the R&D department

● Collaborate with stakeholders to imagine, design, develop, test, and launch software that impacts our customers and inspires your peers

● Drive continuous improvement of software quality, CX and maintainability of features

● Continuous learning of technology trends, tools, and approaches, including sharing this knowledge with your team

Roles and Responsibilities:

1.Build high-performance applications by writing testable, reusable, and efficient code.
2. Strong knowledge in Nodejs, Javascript & Typescript

3.Develop and maintain all server-side components.

4.Develop high-performance and scalable APIs to serve clients.

5.Collaborate with front-end developers on the integration of well written APIs.

6.Implement effective security protocols, data protection measures, and storage solutions.

7.Investigate issues by reviewing/debugging code, provide fixes and workarounds, and review changes for operability to maintain existing software solutions.

8.Develop and manage well-functioning databases and applications

9.Run diagnostic tests, repairing defects, and provide technical support.

10.Be our NodeJS champion by keeping an eye out for emerging technologies and recommending improvements.

11. You will work within a team, collaborate and add value through participation in peer code reviews, provide comments and suggestions, and work with cross functional teams to achieve goals.

12. Design back end services for various business processes

13. You will assume technical accountability for your specific work products within an application and provide technical support during solution design for new requirements.

14. Design server side architecture

We are a fast-growing startup based in Gurgaon, and have just raised our Pre Series A! We are happy to offer the right compensation, the right ESOPs, and the right freedom and autonomy to the right candidate! 

We are looking for a Senior Backend Developer to take our product to the next level. 

* Development with NodeJS and front-end languages/frameworks (jQuery, ReactJS/AngularJS, CSS3, HTML5)
* 4+ years of SQL experience (MySQL preferred)
* Experience developing RESTful Web Services, Web APIs, and micro-services.
* Integrating with a third-party system via RESTful APIs.
* 4+ years of solid experience with SQL and NoSQL-based solutions.
* Experience with AWS deployments.
* Troubleshoot and resolve issues in production and non-production environments.
* Ability to write clean, modular, reusable code (using design patterns) and experience with a unit-test-driven approach to development.

* Familiarity with Elasticsearch is an advantage
* Experience with Redis is an advantage

• Required Skills, Qualifications, and Benefits:

  • Core Knowledge of PHP, HTML, CSS3, MySQL & JavaScript.

  • Basic understanding of code versioning tools, such as Git.

  • Ability to communicate effectively with the team and clients.

  • Proficient logical ability and flexibility to learn new technology.

  • Good in designing and problem-solving abilities

  • Overall Strong coding skills, good analytical and problem-solving skills.

  Good to have:

  • Familiar with React, Redux

  • Knowledge of backend for any CMSs like WordPress, Joomla, Magento etc

  Qualifications:

  • B.Tech, MCA

  Experience:

  • 0 - 2 years.

  Job Type:

  Full-Time (Immediate Joiner)

  Interview Type:

  Walk-in, Google Meet (for remote location)

  Work Salary:

  Decent hike on current salary.

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

• Bachelor's degree in computer science, information science, or similar.
• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

• 2+ years of experience with Node.js
• Expertise in Typescript, AWS, Firebase, MongoDB, and Express

You will be bringing:

• Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
• Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
• Proficiency in application deployment on Linux or Ubuntu environments
• Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
• Experience in server-client architecture project(s)
• Ability to prioritize in a chaotic and ambiguous environment
• An open, growth mindset when giving and receiving feedback