Backend Developer

Who You Are:

• You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
• You understand event-driven architectures and have hands-on experience building real-time applications.
• You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
• You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
• You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.

Responsibilities:

• Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
• Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
• Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
• Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
• Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
• Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
• Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
• Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
• Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.

Must-Have Skills:

• Strong proficiency in Node.js and NestJS with TypeScript.
• Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
• In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
• Experience with RabbitMQ for message queuing and asynchronous task handling.
• Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
• Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
• Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.

Key Skills:

• TypeScript, NestJS, WebSockets, Socket.io
• Redis, MongoDB, Elasticsearch, RabbitMQ
• API Optimization, JWT, OAuth, RBAC
• Real-time communication, Event-driven architecture

Requirement Analysis

• Programming/Software Development
• Developer Testing
• Code Review
• Client Handling

Key aspects of this role: 

• Maintain, update, and enhance ITSM environment including Incident, Request,  Problem, Change and Knowledge Management, Service Catalog, Service Portals,  SLAs, Discovery, and Integrations 
• Participate in the implementation and configuration of other ServiceNow products outside of ITSM to increase the adoption of the ServiceNow platform. • Responsible for performing daily administration, issue resolution, and  troubleshooting of the ServiceNow platform. Monitor health, usage, and overall compliance of ServiceNow and its applications.

To be the right fit, you will need: 

• Minimum of 2 years of demonstrated experience in ServiceNow development and  configuration.  
• Proficient in developing, integrating and maintaining applications using ServiceNow Platform technology and tools.
• Understanding of and experience working with IT Service Management processes (Incident, Problem, Change, Release, SLM, Service Catalog), PPM/ITBM• Understanding of IT and business requirements with ability to develop, test, deploy improvements, and update Manage and administer lists, filters, forms, platform  interfaces (to other data sources) and the data within tables, import sets and the  CMDB. 
• Preferably certified in ServiceNow 

Designation : Backend - Mobile Application Developer

Location : HSR, Bangalore

About the Company

Making impact driven by Data. 

Vumonic Datalabs is a data-driven startup providing business insights to e-commerce & e-tail companies to help them make data-driven decisions to scale up their business and understand their competition better. As one of the EU's fastest growing (and coolest) data companies, we believe in revolutionizing the way businesses make their most important business decisions by providing first-hand transaction based insights in real-time.. 

About the Role

We are looking to hire a Backend Software Engineer to design and build functional applications and work with our dynamic team of engineers to solve challenges that come with our rapidly evolving technical stack. You should be comfortable working with new technologies and architectures while working with a small team to take ownership of projects to ultimately deliver amazing global user experience. The ideal candidate needs to have experience building products and a firm understanding of web frameworks, APIs, databases, and multiple back end languages. 

 If you have a strong working knowledge of solving the challenges that impact both the front end and back end architecture and are hungry to learn, compassionate about your work and are familiar with the mentioned technical skills, we’d love to speak with you.

What you’ll do

• Building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Help maintain code quality, organization, and automatization of application
• Architect and provide guidance on building end-to-end systems optimized for speed and scale
• Translate application storyboards and use cases into functional applications
• Identify bottlenecks and devise elegant solutions to improve the scope of functionality of the application

• Ensuring quality and performance as per expected specifications.
• Engage with inspiring designers and front end engineers as we create reliable APIs

What you need to have

TECHNICAL SKILLS

• Extensive experience with building web and mobile applications.
• Deep understanding of NodeJS with excellent debugging and optimization skills.
• Experience of designing and integrating RESTful API’s, client communication and product development.
• Understanding of unit/integration testing,  deployment of applications and GCP is a plus.`
• Exposure to IMAP Protocol & mail related applications is a plus
• 2 or more years of working experience as a Backend Developer.

Node  js

Job Description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the client end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Roles and Responsibilities 

• Integration of user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, scalable, and efficient code.
• Design and implementation of low-latency, high-availability, and high-performance applications.
• Implementation of security and data protection.
• Integration of data storage solutions { databases, key-value stores, blob stores, etc.}
• Familiarity with database Technology Such as MySQL, Oracle, and MongoDB. 

Desired Candidate Profile 

• Strong proficiency with JavaScript
• Knowledge of Node.js and frameworks available for it {such as Express etc }
• Knowledge of Micro Services Architecture and API Gateway.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Good understanding of server-side templating languages {such as PUG, Jade, EJS, etc }
• Good understanding of server-side CSS preprocessors {such as SCSS, SASS, etc }
• Basic understanding of front-end technologies, such as HTML5, CSS3, and DOM manipulation.
• Understanding accessibility and security compliance 
• 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
• Strong knowledge of Linux operating systems such as Ubuntu, CentOS.
• Basic knowledge of Cloud machines such as Elastic compute.
• Basic knowledge of Cloud Storage such as AWS S3, etc