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

Core Competency:

• Extensiveexperiencewith C# and ASP.net/.NETCore 2.0 / .NET WebAPI core framework framework • concept's and fundamentals/ MVC and EF. • REST Web services&API Experience • Strong architectural knowledge with two or more of - MicroServices, 12 FactorApplications and • EventDriven architectures • Messaging knowledge(Topics, Queues & Publish Subscribe) • Knowledge of AWS, Docker and Kubernetes • Experience with database development including relational database design, SQL, and ORM • Agile Delivery experience • Deploying .Net Core web application/API in Windows and Linux • Experience with web developmenttechnologiesincludingASP.NET, MVC3, EF, HTML, JavaScript, • JQuery, AJAX and CSS, LINQ. • Experience with core Microsoft.Net technologies including WCF, LINQ, and EF • Experience designing and developing enterprise-grade software • Experience with source control management systems and deployment environment • Experience with debugging, performance profiling and optimization. • Comprehensive understanding of object-oriented and service-oriented applicationdevelopment,techniques and theories • Internally motivated, able to work proficiently both independently and in a team environment • Strong communication skills with both internal team members and external business stakeholders • Experience with user interface design and prototyping

Integration of user-facing elements developed by front-end developers

Build efficient, testable, and reusable PHP modules

Solve complex performance problems and architectural challenges

work on multiple projects with Product Development team

Contribute in all phases of the development lifecycle

Follow industry best practices

Develop and deploy new features to facilitate related procedures and tools if necessary Skills And Qualifications

Strong knowledge of PHP web frameworks ( Magento 1/2, Wordpress, YII, Laravel, Prestashop)

Understanding of MVC design patterns

Basic understanding of front-end technologies, such as JavaScript, jQuery, HTML5, and CSS3

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

Good knowledge of relational databases, version control tools (like GIT) and of developing web services

Experience in common third-party APIs (Google, Facebook, Ebay etc) (OPTIONAL)

• Managing the interchange of data between the server and the users.
• Development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end 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.
• Writing reusable, testable, and efficient code.
• Design and implementation of low-latency, high-availability, and performant applications.
• Integration of user-facing elements developed by front-end developers with server-side logic
• Implementation of security and data protection.

• Should have worked on the Django REST framework.
• Familiarity with some Pandas, Numpy, text parsing/mining and 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
• Worked on Amazon cloud solutions
• 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
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Proficient understanding of code versioning tool
• Excellent written and verbal communication skills.
• Should know about HDL and LLD.
• Should know about making python packages
• Should have worked on microservice-based Architecture

We are looking for a Ruby on Rails developer responsible for managing the interchange of data between the server and the users. 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 front-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.

Responsibilities

• Design, build and maintain efficient, reusable, and reliable Ruby code
• Integration of data storage solutions 
• Integration of user-facing elements developed by front-end developers with server-side logic
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automatization
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Skills

• Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side templating languages 
• Good understanding of server-side CSS preprocessors 
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools 
• Familiarity with development aiding tool familiarity with continuous integration