
Zerozilla Infotech Pvt Ltd is a team of highly creative professionals creating seamless
web solutions ranging from web designing and development, mobile application,
custom software development, and digital marketing services for businesses.
We work with B2B, B2C companies, government bodies, institution-led and independent start-ups to generate value and give them a competitive edge.
We are experts with over Six years of experience in providing comprehensive and
unified solutions to your business challenges. With over 120 active clients and 150
projects to our credit, we continue creating innovative solutions to drive business
growth. Our working process involves four crucial steps- research, brainstorming
ideas, optimization, and achieving the target.
We deliver cutting-edge technology-driven solutions for your business including
ROI-driven marketing campaigns, online branding, and communications,
customized mobile application development, and more which are designed bearing
in mind your business requirement.
Job Description: Node JS Developer ( JD 102)
No of Position : 45
• Programming in Node.js
• Experience with server-side templating languages
• Experience with Express.js, Loopback, Sails JS, Meteor.js or other
frameworks.
• Experience consuming and building robust, SOAP and REST ful APIs
• Experience with Relational Databases like Mongo DB, MySQL
• Solid understanding and extensive experience with version controltools like
Git, SVN or Mercurial
• Exceptional problem solving and ability to work independently
• Exceptional learning skills
• Understanding of Agile methodologies
• Knowledge of writing efficient codes.
• Understanding front-end applications.
• Working with authorization and authentication of the user.
• Having error-handling skills.
• Creating database schemes and many more.
• Using third party with services with developed system.
Basic Requirement
• A Bachelor’s Degree in computer Science, Computer Engineering, Electrical
Engineering or equivalent.
• Minimum of 2+ years’ Experience in Software Development Organisation
required.
• Strong Communication skill and problem solving skill
• Ability to take ownership of work stream, operate without close supervision
and work across the organisation
• Self-discipline in order to finish work on a timely basis.

About Zerozilla Infotech Pvt Ltd
About
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Full stack Developer (Ref.ID: VRPL-FSD-Chn-0326)
No. of Positions: 2 Nos. Senior 1 No. Junior 1 No.
API Development & Architecture:
Design and develop scalable RESTful APIs using Node.js & TypeScript
Build modular, reusable, and clean backend architecture
Implement authentication & authorization (JWT / OAuth / Role-based access)
Ensure API security best practices
Write well-structured documentation (Swagger / Postman)
Real-Time Communication (Sockets):
Develop real-time features using WebSockets / Socket.io
Implement:
Live tracking
Real-time notifications
Status updates
Chat systems
Optimize socket performance and reconnection handling
Ensure scalability under concurrent user load
Database & Data Layer (PostgreSQL):
Design scalable and optimized database schemas
Write complex SQL queries & joins
Implement indexing & query optimization
Handle transactions and concurrency control
Work with ORMs like Prisma / TypeORM (preferred)
Maintain database security and backup strategies
Ensure data security and backups
Performance & Scalability:
Optimize API response times
Implement caching strategies (Redis preferred)
Design rate limiting and throttling mechanisms
Ensure system reliability & fault tolerance
Handle background jobs & queues
Deployment & DevOps Collaboration:
Deploy applications on AWS / GCP
Work with Docker containers
Implement CI/CD pipelines
Monitor logs & performance metrics
WhatsApp Business Integration:
Integrate WhatsApp Business API (Cloud / On-Premise)
Work with providers like Exotel / Twilio (preferred)
Implement Template messaging
OTP authentication
Notifications & alerts
Two-way communication
Manage webhook events and delivery tracking
Ensure compliance with WhatsApp policies
Required Skills:
Strong proficiency in Node.js
Hands-on experience with TypeScript
Strong experience in PostgreSQL
Experience building RESTful APIs
Experience with WebSockets / Socket.io
Good understanding of system design & architecture
Git version control
Knowledge of API security best practices
Preferred Skills:
Experience in real-time platforms (ride-hailing, delivery, chat systems)
Redis for caching
Message queues (Kafka / RabbitMQ / BullMQ)
Microservices architecture
Payment gateway integration
Cloud infrastructure knowledge
Soft Skills:
Strong analytical, problem-solving skills, and debugging skills
Startup mindset & ownership attitude
Ability to work in fast-paced startup environment and work independently
Good communication skills in all aspects
About Company:
Our client is a luxury home decor brand. It's nothing less than a revolution in the home decor industry- where technology enables world-class home interior design. We use technology combined with internationally trained designers to help our customers achieve the style they want to express.
Our services include unique technology-driven processes and analytics, consulting, execution, and supervision – all within schedule and planned budget, so they can relax and enjoy their space transformation with peace of mind.
We encourage our consumers to explore and discover their own self-expression while amazing their senses with new cultures and design techniques, tasteful décor, and ambiance.
Role and Responsibilities:
• Write code and tests, build prototypes, solve issues, profile, and analyze bottlenecks
• Design performance gauging, building robust APIs to support mobile and desktop clients
• Manage and optimize scalable distributed systems on the cloud
• Optimization of web applications for performance and scalability
• Develop automated tests to ensure business needs are met and allow for regression testing
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server[1]side logic
. • Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use.
Skills:
• Good communication skill to communicate with stakeholders, project managers, quality assurance teams, Regularly and other developers regarding progress on the long-term technology roadmap
• Curious and progressive mind to Create and maintain workflows with teams to provide visibility and to ensure workload balance for consistent visual designs
• Good technical knowledge to Produce quality code, raising the bar for the whole team on quality and speed
• Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
Requirements.
• Experience with core AWS web-enabling technologies
• Growth mindset, challenging status quo to find new solutions and out-of-the-box ideas
• Experience designing RESTful APIs, specifically for mobile apps
• Computer science degree or equivalent experience
• Experience leading a team is a bonus.
• 3+ Years of relevant experience.
• PHP Laravel Framework, PHP Design Patterns.
•Proficient in MySQL. MongoDB knowledge is plus.
•APIs, REST API, API Security.
• Laravel Events, Queue, Observers.
• Excellent foundation in computer science, algorithms, and web design
• Experience writing highly secure web applications.
Company Overview-
A venture-backed funded startup valued at 30.5 Million Dollars.
The team co-founders are both IIT-IIM Alumni with a strong professional background and are backed by some of the leading global and Indian funds and entrepreneurs.
Role Overview
As a Backend Engineer, you will be working closely with our core team in building products from scratch into large-scale platforms and solving business problems leveraging new and innovative technology. More than anything, we are looking for engineers that are eager to learn and build a meaningful company. We are a small team and encourage engineers to wear many hats
Responsibilities
- Design and build highly reliable and performant applications that deliver a great user experience.
- Own large technical deliverables and execute in a structured manner. - Take accountability for the overall health of the applications you build. - Platform components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly
Skills & Requirements
▪ Work Experience between 1-3 years in large scale applications with the desire to work in fast-paced startups
▪ Experience/Knowledge of Node.JS, Express.JS, AWS, MongoDB.
Deep understanding of your tools: Languages, frameworks, systems.Skills:
We would prefer it if the candidate has 1 + years of experience.
- Node.js - must have knowledge and experience
- MySQL/MongoDB - must have knowledge and experience
- GIT
- Any JS backend framework
Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Gather and understand technical and design requirements
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Qualification:
- Bachelors in IT Engineering (Preferred)
- Master in Computer Applications
- M.Sc IT
Other Information:
Location:
Mumbai, Malad.
Age group:
22 years to 27 years.
Working Days:
Monday to Friday only, Saturdays and Sundays fixed off.
Working Timings:
10:30 am to 7:30 pm
👋🏼We're Nagarro.
We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!
REQUIREMENTS:
- Experience: 13-15 years
- Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques
- understanding of different components such as web server, storages, integrations
- should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
- Good knowledge of functional and Object-Oriented Programming
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
- Familiarity with Azure pipeline
- Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
- Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
- Fundamental knowledge of design patterns
- Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
- Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
- Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.
RESPONSIBILITIES:
- Writing and reviewing great quality code
- Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
- Determining and implementing design methodologies and tool sets
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs.
- Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs
- Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.
Responsibilities:
- Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
- Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
- Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
- Responsible for architecture and design decisions
- Own stability and performance of the service that you work on
- Work with the Engineering Manager to ship stable software on time
- Contribute to the vision and long-term strategy in your area of expertise
Requirements:
- 2+ years of experience in a technical lead role designing and building complex backend systems
- 5+ years of professional software development experience
- Excellent knowledge of best practices and coding patterns
- Deep knowledge of backend programming languages like Python and web application frameworks like Django
- Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
- Extensive experience with Linux/UNIX production environments
- Strong sense of quality in terms of both program architecture and code style
- Passion to dig into technically complex problems to troubleshoot and figure out a solution
- Desire to continuously improve and ship the best quality product
- Pragmatic approach to make sure technical decisions align with actual business needs.
- Good understanding of the trade-offs when building for product value, reliability, or performance
- Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
- An engineering degree is a must(B.E. CS preferred)
Responsibilities
- Plan, develop and implement large-scale projects from conception to completion.
- Interface with clients and gather business requirements and objectives.
- Translate clients’ business requirements and objectives into technical applications and solutions.
- Understand and evaluate complex data models.
- Design, develop and implement new integration.
- Execute system development and maintenance activities.
- Develop solutions to improvise performance and scalability of systems.
- Mentor junior and mid-level engineers.
Minimum Requirements
- 3-5 years of relevant experience, working in Java related technologies.
- A Good Engineering or Masters degree from a reputed university
- Should have strong technical skills with a good grasp of OO concepts and design patterns
- Good knowledge of SQL database ( MySQL, Oracle, etc )
- Good understanding of frameworks like Spring, Hibernate, etc.
- Good understanding of spring boot and microservices.
- Exposure to AWS services - S3, SQS, Lambda, DynamoDB, API Gateway, etc.
Good to have
- Knowledge of No-SQL DBs like mongo, dynamoDB, etc.
- Knowledge of message brokers/queuing services like SQL, rabbitMQ, Kafka, etc.
- Good Analytical and Communication skills.
- Strong proficiency with JavaScript - Knowledge of Nodejs and frameworks available for it such as Express, etc.
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Good understanding of server-side templating languages such as Jade, EJS, etc.
- Good understanding of server-side CSS pre-processors such as SCSS, Stylus, Less, etc.
- 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









