
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

About NeoGenCode Technologies Pvt Ltd
About
Welcome to Neogencode Technologies, an IT services and consulting firm that provides innovative solutions to help businesses achieve their goals. Our team of experienced professionals is committed to providing tailored services to meet the specific needs of each client. Our comprehensive range of services includes software development, web design and development, mobile app development, cloud computing, cybersecurity, digital marketing, and skilled resource acquisition. We specialize in helping our clients find the right skilled resources to meet their unique business needs. At Neogencode Technologies, we prioritize communication and collaboration with our clients, striving to understand their unique challenges and provide customized solutions that exceed their expectations. We value long-term partnerships with our clients and are committed to delivering exceptional service at every stage of the engagement. Whether you are a small business looking to improve your processes or a large enterprise seeking to stay ahead of the competition, Neogencode Technologies has the expertise and experience to help you succeed. Contact us today to learn more about how we can support your business growth and provide skilled resources to meet your business needs.
Candid answers by the company
IT & Engineering Talent Staffing
- Provides full-time and contract-based hiring, delivering handpicked, pre‑screened developers across tech stacks—ranging from web, mobile, AI/ML, Web3/blockchain.
- Maintains a bench o vetted candidates, offering fast delivery of interview-ready profiles—often within 24 hours.
- Offers payroll management, handling compliance, tax, attendance, and documentation for both contractors and full-time employees.
2. End-to-End Project Delivery
- Delivers full-stack development solutions: web, mobile, cloud, AI/ML, Blockchain/Web3.
- Manages entire project lifecycle—requirements gathering, design (UI/UX), development, deployment, and ongoing support .
3. Additional Offerings
- Expands into cybersecurity consulting, digital marketing, and cloud platform services (like AWS, GCP, Azure) .
- Provides strategic IT consulting to align technology solutions with business objectives
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• Experience in Reactjs.
• Experience in Celery, RabbitMQ/Kafka.
• Experience in Unit Testing Tools.
• Experience in working with SQL & NonSql databases such as MySQL, Mongo DB.
• Exposure to cloud technologies.
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• Nice to have: Experience developing products containing machine learning use cases.
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- Managing Design and development of the product
- Ensuring code quality, security and extensibility
- Following the agile development cycles
- Conducting performance tests and optimization of the code based on the results.
- Debugging and troubleshooting of technical issues
- Helping the support team to resolve external user issues
Desired Candidate Profile
What you need to have:- B.Tech /B.E.; M.Tech; MCA
- Strong at OOPS, Java/ J2EE, JAX-RS, JDBC, RESTful Web Services, Data Structures, Queues, Multi-Threading etc.
- MySQL and Mongo database knowledge
- Basic understanding of AWS Cloud
- Must have worked on highly scalable and available systems
- Good at adapting and understanding architecture and overall design of the system
- Exposure to design patterns is a plus
- Must have exposure to agile development
- Experience of creating and maintaining system documentation such as architecture, design, deployment plan etc.
- The candidate must have excellent technical skills and must be willing to learn
- new technologies on the go.
- Good at communication
- Good Exposure to Kafka and Redis
Responsibilities:-
- Produce clean, efficient code based on specifications
- Integrate software components and third-party programs
- Verify and deploy programs and systems
- Troubleshoot, debug and upgrade existing software
- Gather and evaluate user feedback
- Recommend and execute improvements
- Ensure highest standard of performance, quality, and responsiveness of the applications.
Requirements:-
- Overall 3-7 years of software engineering experience working with web applications and backend systems.
- At least 2 years of experience in production environment working with Ruby on Rails along with common libraries such as RSpec, Sidekiq, Redis.
- Strong understanding of concepts like MVC, ORM, and RESTful
- Strong understanding of Object Oriented Programming fundamentals.
- Strong understanding of server-side templating languages like SLIM and CSS pre-processors like SASS.
- Basic understanding of front-end technologies such as JavaScript, HTML5, and CSS3.
- Strong experience working with Linux like Operating Systems and shell environments like Bash, ZSH.
- Strong knowledge of integrating multiple databases into one system.
- Basic understanding of systems architecture and fundamental design principles behind a scalable web application.
- Ability to understand business requirements, derive database schemas and translate them into technical specifications and code.
- Strong hands on experience of Relation Databases like PostgreSQL, MySQL with ability of benchmarking and performance optimisation.
- Strong knowledge of any NoSQL database like MongoDB.
- Strong experience practicing TDD and writing test cases to achieve highest code coverage.
- Experience working with search engines like Elasticsearch, Solr is a plus.
- Experience integrating third party software and payment gateways is a plus.
- Experience deploying applications to cloud and setting up CI/CD is a plus.
- Experience building container images using tools like Docker is a plus.
- Experience with any popular JavaScript frameworks like React JS, Angular JS is a plus.
- Ability to learn new languages and technologies.
- Strong knowledge of PHP web frameworks such as Laravel, CI,
- Understanding the fully synchronous behaviour of PHP
- Understanding of MVC design patterns
- Basic understanding of front-end technologies, such as JavaScript,
- Knowledge of object oriented PHP programming
- Strong knowledge of the common PHP or web server exploits and their solutions
- Understanding fundamental design principles behind a scalable application
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes
Role and Responsibilities:
- As a backend developer, your primary focus will be the development of all server-side systems
- A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
- Work experience on Node.js is a must along with a server-side framework like Express.js
- Strong proficiency in JavaScript
- Writing reusable, testable, and efficient code
- Experience and proficiency integrating with REST APIs
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- Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
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- At least 2 years of experience developing backends using NodeJS should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Good knowledge of MongoDB(Must) & any other MySQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience developing and deploying REST APIs.
- Knowledge and working experience in Cloud environment - AWS or Azure
- Good knowledge of Unit Testing and available Test Frameworks.
- Should be a fast learner and a go-getter without any fear of trying out new things







