
Job Title : Senior Node.js Developer
Experience : 5 to 10 Years
Location : Gurugram (5 days WFO) | Initial 15 days in Udaipur (expenses covered)
Notice Period : 1 Month or less
Role Overview :
We are hiring a Senior Node.js Developer to lead and deliver scalable solutions, drive best practices, and mentor engineers. Strong Node.js expertise is mandatory (MERN experience welcome with Node.js depth).
Mandatory Skills :
Node.js, Express.js, Data Structures & Algorithms, System Design (HLD/LLD), CI/CD, Git, Agile, Async programming, Debugging & Performance Optimization.
Key Responsibilities :
- Lead development and ensure high‑quality delivery.
- Gather requirements, design (HLD/LLD), and implement solutions.
- Optimize performance, scalability, and integrations.
- Mentor team members and support hiring.
- Collaborate in Agile teams and enforce coding best practices.
Required Skills :
- 5 to 10 Years in backend with Node.js/Express.js.
- Strong in DSA, problem‑solving, and system design.
- Experience with CI/CD, Git, and Agile methodologies.
- Expertise in async programming, debugging, and performance tuning.
- Excellent communication and collaboration skills.
Nice to Have : MERN stack exposure, cloud (AWS/Azure/GCP), Docker, caching/queues.
Interview Process :
- AI Technical Interview
- System Design Round (HLD & LLD)
- Data Structures & Algorithms
- HR Interview
Location :
- Primary : Gurugram (Digital Greens, Sector 61)
- Initial 15 days : Udaipur (A‑square, Shobhagpura)
Note : Preference for Gurugram/NCR candidates. Stable profiles only.

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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Job description
🔧 Key Responsibilities:
- Design and implement robust backend services using Node.js.
- Develop and maintain RESTful APIs to support front-end applications and third-party integrations
- Manage and optimize SQL/NoSQL databases (e.g., PostgreSQL, MongoDB, Snowflake)
- Collaborate with front-end developers to ensure seamless integration and data flow
- Implement caching, logging, and monitoring strategies for performance and reliability
- Ensure application security, scalability, and maintainability
- Participate in code reviews, architecture discussions, and agile ceremonies
✅ Required Skills:
- Proficiency in backend programming languages (Node.js, Java, .NET Core)
- Experience with API development and tools like Postman, Swagger
- Strong understanding of database design and query optimization
- Familiarity with microservices architecture and containerization (Docker, Kubernetes)
- Knowledge of cloud platforms (Azure, AWS) and CI/CD pipelines.
You will be building using C/C++ and related technologies on mainly Windows platforms.
● Manage priorities, deadlines, and deliverables with your technical expertise
● Research solutions and decide the best and practical solution for complex problems
● Lead designs of major product components, and features
● Design, develop, test, maintain and enhance the product
● Analyze issues reported by customers
● Mentor and train team members on design techniques and technologies
Desired Keyskills -
Relevant experience of 4-7 years in C/C++ development on any platform (Linux, Windows, macOS)
● Experience and skills in designing components and modules
● Experience in the mentoring team for technical skills
● Experience in guiding team for technical needs
● Working proficiency and communication skills in verbal and written English
● Experience in XML, STL, Win32 SDK, Dynamic Library / Shared Library, Process, Multithreading, Windows Messages, ATL, COM, HTTP, File I/O, Memory Mapping, API Hooking, and Memory
Management on Windows or Linux platform
● Experience in Windows System Programming
● Experience in debugging and troubleshooting with using tools like Sysinternals Tools, Debuggers / windbg, API Monitoring / Tracing
● Experience in MS Office & Outlook Object Model
● Experience in Cryptography, Data Security, Information Security and Security Technologies
● Experience in Cross-Platform development
● Experience in building of Desktop software
• Proven working experience in backend app development and experience with Node JS.
• Build advanced ecommerce backend applications for the multiple client platforms (both React and Android).
• Understanding of design principles and good architecture patterns.
• Proper Data Structures and Algorithm knowledge is a must.
• Graph QL and Apollo Server knowledge.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and APIs like the one of Unicommerce.
• Create Unit-test code for robustness, including edge cases, usability, and general reliability.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Translate designs and wireframes into high quality code.
• Have a good understanding of CI/CD tools (any).
• Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;
• Knowledge about AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus.
MUST HAVE
• CI/CD
• 3+ years in Node JS
• HTML, CSS, JavaScript
• MongoDB, Elastic Search, DynamoDB, Redis
• AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus.
• Data Structures and Algorithm knowledge is a must.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 1+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.
Skills And Qualifications
- Strong proficiency with JavaScript and TypeScript
- Knowledge of Node.js and loopback 4 frameworks
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Basic understanding of front-end technologies, such as React
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
-
Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.
-
Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
▪ Distributed Cloud Native Computing including Server less Functions
▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
▪ Micro services Architecture, API Modeling, Design, & Programming -
3+ years of hands-on development experience in Apache Spark using Scala and/or Java.
-
Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.
-
In-depth knowledge of standard programming languages such as Scala and/or Java.
-
3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.
-
3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.
-
Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.
-
Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.
-
Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.
-
Perform benchmarking/stress tests and document the best practices for different applications.
-
Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.
-
Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.
-
Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.
Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.
-
Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.
-
Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.
-
Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.

- You’ve been building web applications professionally for 4+ years
- You’re proficient in NodeJS, TypeScript, MySQL, and MongoDB
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experience with TDD (Test Driven Development)
- You have the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- Frontend experience; (Good to have) Angular
- Start-up experience, preferably a tech start-up
- Open-Source contributor
- You have experience with other programming languages -- e.g., Python, Ruby, PHP, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering, or related field, or equivalent training, fellowship, or work experience
Qualifications
- BE/ B. Tech/ MSc/MTech
- Candidate should possess the degree from a recognized University/ Institution only

We are seeking Sr. Software Engineers with hands-on C++/C# programming and unit testing skills. This person will be responsible to design, develop, troubleshoot and debug software programs for laboratory medical device new product development. The incumbent practices code quality, refactoring and unit testing.
Responsibilities
- Prototype, design, implement, unit test and maintain Windows based software applications
- Participate in cross-functional project teams to develop medical device software
- Work with multi-discipline teams on new production introduction project while adhering to software development and source control processes
- Document software, write technical specifications for interfaces and testing
Qualifications
- Bachelor’s degree in Software Engineering, Computer Science or related field with no less than 6+ years of experience
- Experience designing and developing C++/C# based solutions and experience with any user interface development (UWP / WPF)
- Expert in Unit Testing, OOA/OOD development methodologies and design principles
- Experience in Agile development processes and philosophies
- History of timely delivery while ensuring a quality focus
- Ability to work well with people and be both highly motivated and motivating
- Ability to work in a fast-paced, and often ambiguous environment where continuous improvement is a way of life
- Ability to work independently and proactively with minimal direction.
Nice to Have
- Experience in medical device design & development is a plus
- Experience in IVD instrumentation, such as clinical chemistry, immunoassay, hematology, urinalysis, molecular, microbiology or flow cytometry systems is a plus
- Understanding of software development processes for a regulated environment (ISO9000/FDA) is a plus
- Experience in software code and build management is a plus
- Web development using PHP & experience in coding on MVC architecture of Laravel
- REST API knowledge is a must with oAuth security
- Understanding of mobile apps with REST API integration, firebase & google analytics is important
- Need to have knowledge of querying MySQL & NoSQL databases like MongoDB
- Experience with Node Js for our notification system
- Understanding of cloud services like Google cloud & AWS ec2 instance is a bonus for the profile






