Sr. Backend Developer

What we are looking

• You must have experience in Python, including development of microservices using flask/fastapi/sanic.
• You hold knowledge of at least one Python web frameworks
• You have experience in NoSQL databases such as MongoDB
• You are familiar with relational databases and unstructured data.
• You are familiar with some ORM (Object Relational Mapper) libraries.
• You have prior exposure to code versioning tools such as Git.
• You understand fundamental design principles behind a scalable application

Good to have

• Experience in cloud services such as AWS
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of the threading concepts in Python and multi-process architecture

What you'll do

• Create database schemas that represent and support business processes
• Integrate multiple data sources and databases into one system.
• Develop and integrate RESTful APIs and services for business use cases
• Perform unit and integration tests on developed modules

Job Title: Senior Java Developer

Location: Mumbai (On-site)

Notice Period: Immediate Joiners Preferred / 15 Days or Less

Job Description:

We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.

Key Responsibilities:

• Lead end-to-end design, development, and deployment of Java applications
• Translate functional and technical requirements into detailed design
• Build scalable, secure, and high-performing applications
• Develop and consume RESTful APIs and ensure seamless integration
• Implement microservices architecture and containerized deployments
• Write clean, efficient, and well-documented code
• Perform code reviews, debugging, and performance tuning
• Collaborate with DevOps for CI/CD and production deployments
• Guide junior developers and conduct knowledge-sharing sessions
• Stay updated on new technologies and industry trends

Required Technical Skills:

• Languages & Frameworks:
• Core Java, J2EE
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Hibernate / JPA
• Apache Maven / Gradle
• API Development & Integration:
• RESTful APIs, JSON, Swagger/OpenAPI
• Databases:
• MySQL, PostgreSQL, Oracle
• MongoDB, Redis (preferred)
• Frontend Exposure (Optional but Preferred):
• HTML, CSS, JavaScript, jQuery
• Angular / React
• Tools & Platforms:
• Git, GitHub / GitLab / Bitbucket
• Jenkins, Docker, Kubernetes (basic knowledge)
• SonarQube, Log4j, ELK stack (preferred)
• Cloud & DevOps (Good to Have):
• AWS (EC2, S3, Lambda, RDS), Azure or GCP
• CI/CD pipeline setup
• Architecture & Patterns:
• Microservices, MVC, Design Patterns
• Event-driven architecture (Kafka/RabbitMQ is a plus)
• Testing:
• JUnit, Mockito
• Postman, REST Assured

Soft Skills:

• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to lead and mentor a team
• Time management and task prioritization
• Adaptable and quick learner

Qualifications:

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 5+ years of relevant software development experience
• Relevant certifications (Oracle Java, AWS, PMP) are a plus

Eligibility Criteria:

• Must be currently residing in Mumbai
• Must be able to join within 15 days or less
• Immediate joiners preferred

We are looking for a Node.js 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.

Location Preferences

• Candidates located in Kerala are preferred.

Skills and Qualifications

• Strong proficiency with JavaScript, React, and Redux

• Knowledge of Node.js and frameworks available for it(particularly Express,Loopback)

• Understanding the nature of asynchronous programming and its quirks and workarounds

• Good understanding of server-side templating languages

• Good understanding of server-side CSS preprocessors

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

• User authentication and authorization between multiple systems, servers, and environments

• Integration of multiple data sources and databases into one system

• Understanding Cloud based application deployment.

• 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

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

The key aspects of this role include:

• Design, build, and maintain scalable applications using Python.
• Contribute to the entire implementation process including driving the definition of improvements
based on business need and architectural improvements.
• Act as a subject matter expert for Application Software developers and Engineers.
• Handle server-side code for a production platform and contribute to new features.

To be the right fit, you'll need:
• More than 4+ years of experience as a software developer in Python, with knowledge of at least one
Python web framework such as Django, Flask, etc.
• Good understanding of common design patterns and architecture principles to design reliable and
Scalable applications
• Strong communication skills
• Knowledge of databases line NoSQL or MongoDB
• Good to have AWS and Docker or Web services
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3

• 2+ years of Hands-on experience in Python, Django, Flask, Bottle, Design Patterns, Web Services (SOAP/HTTP, REST APIs)
• 2+ years of hands-on experience with Postgress, MongoDB.
• Experience with cache-store / message broker like Redis / RabbitMQ / Kafka
• Experience with AWS
• Experience in front-end development using react.js is a plus.
• Proficient understanding of code versioning tools, such as Git / Mercurial /bitBucket.
• DevOps knowledge to deploy code in production and hands-on experience with docker / Kubernetes.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Bachelor’s Degree in Engineering from a reputed Institute

• Total of 2 to 8 years experience as a Sails.js/Node.js developer