Backend Developer

Job Title : Python Django Developer

Experience : 3+ Years

Location : Gurgaon Sector - 48

Working Days : 6 Days WFO (Monday to Saturday)

Job Summary :

We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.

The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.

Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.

Key Responsibilities :

• Write efficient, reusable, testable, and scalable code using the Django framework
• Develop backend components, server-side logic, and statistical models
• Design and implement high-availability, low-latency applications with robust data protection and security
• Contribute to the development of highly responsive web applications
• Collaborate with cross-functional teams on system design and integration

Mandatory Skills :

• Strong programming skills in Python and Django (or similar frameworks like Flask).
• Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
• Strong understanding of SQL and NoSQL ORM.
• Solid grasp of data structures, multithreading, and operating system concepts.
• Experience with RESTful API development and implementation of API security.
• Knowledge of JSON/XML and their use in data exchange.

Good-to-Have Skills :

• Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
• Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
• Familiarity with MongoDB and other NoSQL databases.
• Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
• Knowledge in building and integrating statistical learning models.

Job Title : Java Backend Developer

Experience : 3 – 8 Years

Location : Pune (Onsite) (Pune candidates Only)

Notice Period : Immediate to 15 Days (or serving NP whose LWD is near)

About the Role :

We are seeking an experienced Java Backend Developer with strong hands-on skills in backend microservices development, API design, cloud platforms, observability, and CI/CD.

The ideal candidate will contribute to building scalable, secure, and reliable applications while working closely with cross-functional teams.

Mandatory Skills : Java 8 / Java 17, Spring Boot 3.x, REST APIs, Hibernate / JPA, MySQL, MongoDB, Prometheus / Grafana / Spring Actuators, AWS, Docker, Jenkins / GitHub Actions, GitHub, Windows 7 / Linux.

Key Responsibilities :

• Design, develop, and maintain backend microservices and REST APIs
• Implement data persistence using relational and NoSQL databases
• Ensure performance, scalability, and security of backend systems
• Integrate observability and monitoring tools for production environments
• Work within CI/CD pipelines and containerized deployments
• Collaborate with DevOps, QA, and product teams for feature delivery
• Troubleshoot, optimize, and improve existing modules and services

Mandatory Skills :

• Languages & Frameworks : Java 8, Java 17, Spring Boot 3.x, REST APIs, Hibernate, JPA
• Databases : MySQL, MongoDB
• Observability : Prometheus, Grafana, Spring Actuators
• Cloud Technologies : AWS
• Containerization Tools : Docker
• CI/CD Tools : Jenkins, GitHub Actions
• Version Control : GitHub
• Operating Systems : Windows 7, Linux

Nice to Have :

• Strong analytical and debugging abilities
• Experience working in Agile/Scrum environments
• Good communication and collaborative skills

Job Overview :

We are looking for a skilled Node.js Developer to join our team. You will be responsible for developing and maintaining server-side applications, APIs, and services, ensuring high performance, scalability, and reliability.

Responsibility :

-Develop Backend Services: Build and maintain server-side applications using Node.js.

-API Integration: Develop and integrate RESTful APIs.

-Database Management: Work with databases (SQL/NoSQL) for efficient data storage and access.

-Optimize Performance: Ensure the application is optimized for speed and scalability.

-Debugging and Troubleshooting: Identify and resolve issues in the backend system.

-Collaboration: Work with front-end developers to ensure seamless integration between server-          side and client-side systems.

Education :

- Bachelor’s degree in Computer Science, Engineering, or a related field.

Ready to take the next step in your career? Submit your application today and become a part of our innovative team at Rayvat (Jenya) Outsourcing. We look forward to meeting you!

• Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker

• Experience in the development of scalable and extensible systems using Java

• Proficiency in Database technology such as MySQL, Oracle and MongoDB

• Routines Sync & Async

• Solid and fluent understanding of algorithm and data structures

• Excellent software design, problem-solving and debugging skills

• Demonstrated high ownership in previous projects

• Excellent Communication Skills

• Good understanding of Elastic Search, Redis

• Experience working in the cloud environment, preferably AWS*.

• Write unit tests and run automated tests through CI/CD

• Ability to learn new and existing technologies

• Experience in building cloud SaaS or PaaS solutions/products

#HiringAlert

We are looking ".Net Architect" for Reputed Client @ Permanent Role

Experience: 10+ Years

Skills :

•Good understanding of the cross cutting architectural elements like Security (Authentication, Authorization, Distributed logging, tracing and Audit, Infra as Code, Database Design (SQL Server and MongoDB)

•Deep understanding of architectural concepts, issues and trends

•Expert knowledge in Object Oriented Principles and Design Patterns

•Expertise in n-tiered web architectures, SOA and related technologies (XML, SignalR , WCF, SOAP, REST, JSON, etc.)

•Strong technical expertise in the Relational Databases, No SQL DB (Ex: SQL Server, MongoDB), Web development and object-oriented methodologies.

•Must be a Team player able to work effectively at all levels of an organization with the ability to influence others to move toward consensus.

•Should review design and implementation of junior designers and developers on the quality of technical deliverables and adherence to quality process

•Excellent verbal and written communication skills.

Location : Chennai & WFO

Node JS Developer

Job Description:

• Node JS Developer

  Job Description:

   

  • 1 year development experience in NodeJs(v4 and above)
  • Knowledge in Unit testing frameworks like Mocha
  • Experience in working with any NodeJs web framework(Express or Hapi)
  • Development experience using any persistent store (NoSql or Relational)

   

  • Formal Deliverables
  • Design and development of new and enhance existing applications using Node.JS
  • Collaborate with internal and external team members to ensure projects get delivered as planned
  • Develop Backend services using HapiJs
  • Develop background workers based on cron or rabbitmq messages
  • Support existing and new features via bug fixes, prod support or monitoring scripts
  Unit testing for all the developed modules1 year development experience in NodeJs(v4 and above)

• Knowledge in Unit testing frameworks like Mocha
• Experience in working with any NodeJs web framework(Express or Hapi)
• Development experience using any persistent store (NoSql or Relational)

• Formal Deliverables
• Design and development of new and enhance existing applications using Node.JS
• Collaborate with internal and external team members to ensure projects get delivered as planned
• Develop Backend services using HapiJs
• Develop background workers based on cron or rabbitmq messages
• Support existing and new features via bug fixes, prod support or monitoring scripts

Are you passionate in coding and blockchain? Do you wish to face challenges ahead, develop and deliver features that will be extraordinary towards users? We are looking for experienced talents (React JS / Node JS / MongoDB / Web3.js / Solidity developers) to join our team and start a revolution!

Key Responsibilities and Scope

• Framework development and integration
• Prototype and Proof of concept development
• Creation, configuration, and monitoring Shards sets. Architecture and capacity planning for MongoDB clusters. 
• Assisting senior developers in detecting performance issues in the system by deploying MMS and MongoDB profilers
• Implementation of MongoDB advanced concepts like locking, transactions, indexes, Sharding, replication, schema design. 
• Maintain MongoDB replication with replica set factors, arbiters, voting, priority, server distribution, slave delays. 

Technical Skills

- Database & Languages:  MongoDB, B-tree, MongoDB Profiler, Javascript, MongoDB Compass, Mongo Booster

- Others: Elastic Stack, MMS, MongoDB Management service

Qualifications and Experience location GMT+8 or GMT+5:30

• Ability to work remotely or on-site (if Malaysia)
• Executing elastic stack in production scale Passion for best design, developing, and coding practices
• Creating servers and databases for functionality
• Maximizing application performance, uptime, and scalability, maintaining high standards of code quality and thoughtful application design
• Excellent debugging and optimization skills
• Unit/integration testing experience
• Experience in analyzing and visualizing the data along with data modeling
• Experience in upgrading different databases and also migration of data among multiple databases. 
• Experience in MongoDB installation, patching, troubleshooting, performance, tracking/tuning, backup, and recovery in dynamic environments. 
• Experience in managing the life cycle of MongoDB including sizing, automation, monitoring, and tuning
• Experience in working with MongoDB ops Manager, Cloud Manager, and Atlas Manager
• Experience in analyzing chunk migrations, splitting, and balancing across the clusters.