Senior Data Engineer (ETL, Go, Databricks)

📢 Hiring for React JS Developer

📍 Location: Newtown, Kolkata

🕘 Shift: Day Shift | 🗓️ Working Days: 5 Days a Week (Roster Off)

💰 Salary: Up to ₹50,000/month

Are you a passionate React JS Developer with at least 3 years of experience? We want you to be part of our growing tech team!

✅ Required Skills:

• Strong proficiency in React JS
• Knowledge of C++
• Experience with WebSocket
• Hands-on with Redux and ES6
• 
  

💼 Perks:

• Salary on the 1st of every month.
• 24 paid leaves in a year
• 15 comp offs
• Birthday leave (if choose to work double pay)
• Career Growth Opportunities

👉 Apply now and build something amazing with us!

Tag someone who might be a great fit!

Job Summary:

We are seeking a seasoned Java Backend Developer Lead to drive the design, development, and deployment of robust backend systems. This role requires hands-on coding expertise, architectural vision, and the ability to mentor and lead a team of developers in delivering high-performance, scalable applications.

Key Responsibilities:

• Lead the backend development team in designing and implementing microservices-based architectures using Java (preferably Java 11+).
• Architect and develop RESTful APIs and backend services using Spring Boot, Hibernate, and related frameworks.
• Collaborate with DevOps teams to streamline CI/CD pipelines using Jenkins, Docker, and Kubernetes.
• Ensure code quality through code reviews, unit testing (JUnit/TestNG), and integration testing.
• Optimize application performance and scalability through profiling and tuning.
• Guide team members in adopting best practices in software engineering, including Agile methodologies.
• Work closely with product managers, frontend developers, and QA teams to deliver end-to-end solutions.
• Maintain documentation and ensure knowledge sharing across the team.

Required Skills:

• Strong proficiency in Java, Spring Boot, and REST API development.
• Experience with relational databases (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis).
• Familiarity with messaging systems like Kafka or RabbitMQ.
• Solid understanding of cloud platforms (AWS, Azure, or GCP).
• Experience with containerization and orchestration tools (Docker, Kubernetes).
• Excellent problem-solving, debugging, and analytical skills.
• Strong leadership and communication abilities.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 7+ years of backend development experience, with at least 2 years in a lead role.
• Exposure to security best practices and performance testing tools like JMeter.

Roles and Responsibilities:

1. Contribute in all phases of the development lifecycle
2. Write well designed, testable, efficient code
3. Ensure designs comply with specifications
4. Prepare and produce releases of software components
5. Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
6. Ensure continual knowledge management
7. Adherence to the organizational guidelines and processes

Skills /Competencies: a. Bachelor/Master’s degree with good experience in computer programming b.4+ years working experience in application development using Java

Essential Skills:

1. Hands on experience in designing and developing applications using Java EE platforms
2. Object Oriented analysis and design using common design patterns.
3. Profound insight of Java and JEE internals (Data structure, Algorithm and time complexity, Memory Management, Transaction management etc)
4. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
5. Experience in the Spring Framework
6. Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) and UI technology (Angular/React JS)
7. Ability to operate independently while establishing strong working relationships with co-workers and cross-functional teams
8. Strong organizational and prioritization skills
9. Demonstrate critical attention to detail and deadlines, and are self-motivated
10. Ability to adapt to changes in direction and priorities in a project and deadline-oriented environment
11. Strong written and verbal English communication skills
12. Problem-solving attitude

Preferred skills Good to have –

1. Knowledge in any UI technology (Angular, React, JS)
2. Intermediate level knowledge of Unix environment (User commands, not System Admin commands)
3. Understanding of capital markets and middle/back office processes in the financial services space

What we are looking for:

We are looking for a Full Stack Developer who has a strong understanding of designing and developing Shopify API. Candidate should also have worked on any of the following Frontend frameworks like ReactJS , NextJs and VueJs.

The candidate should be proactive enough to anticipate problems and keeping the team and management informed in a timely manner. You have to work with the Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions.

Requirements

• Minimum 2 years of experience in Full Stack Development.
• Strong Understanding of Shopify API. (Mandatory)
• Experience working with Shopify apps and 3rd party services.
• In-depth experience with Shopify’s Liquid language.
• Deep Knowledge in NodeJS & JavaScript.
• Should have experience in designing with NoSQL Databases such as MongoDB etc.
• Must know either ReactJs, NextJs or VueJs .
• Hands on experience on AWS.
• Proficient understanding of code versioning tools, such as Git.

• Own the delivery of multiple features of the product end to end while hands-on in development as well
• Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
• Adopt security- first approach in the product development and ensure automated and manual security checks in place across the delivery pipeline
• Lead by example and mentor other developers in the team both technically and professionally
• Support other Senior Product Engineers and contribute to their growth professionally
• Work with  tech leads and the team to ensure shared technology vision and develop state of the art design and architecture for any product development
• Work with other functions such as testing, analysis, infra management, support to ensure faster delivery of products
• Ensure timely and accurate communication with broader team in order to share understanding of product functionality, features, and technology vision
• Look out for technology trends across the industry and apply relevant developments to the products
• Work with the decentralised application business owners to ensure their vision is realised through efficient technology and delivery timelines
• Work in a dynamic, collaborative, transparent, non-hierarchical, and ego-free culture where your talent is valued over a role title 
• Develop personally and professional outside of the confinement of a traditional career path by focusing on what you’re passionate about rather than a predetermined one-size-fits-all plan 

• Must have extensive hands on experiencing designing and building mobile applications on Android
• Must have excellent programming, debugging and scripting skills with a solid understanding of Object-Oriented Design principles
• Must have ability to learn/iterate quickly in a rapidly changing technical stack with nascent codebase and developer tools
• Must possess a passion for delivery-focused development, and overcoming challenges through teamwork and self-motivation
• Ability to work in a variety of client settings and in a team-oriented, collaborative environment 
• Ability to communicate technical vision and direction of the product and make significant impacts to technology and design choices

• Architectural design while leading and inspiring software development teams 
• Leading development of large, custom-built object-oriented applications 
• Continuous integration tools and test automation
• Managing systems in production and understands release process, monitoring, and debugging
• Working and developing in agile environment working with XP/Scrum development practices

• Expertise in end to end Android development and release management
• Proficiency in at least two of the following: Java,  NodeJS, Go, JavaScript, Python programming stacks, and passion for software engineering and craftsman-like coding prowess 
• Knowledge of software practices like refactoring, clean code, domain driven design, Encapsulation etc 
• Hands on experience managing databases like MongoDB, Cassandra, Redis
• Exposure to event driven systems and event streaming engines like Kafka
• Good knowledge of DevOps tooling like docker, kubernetes, ansible/chef, AWS.
• Solid OO skills, including strong design patterns knowledge and enterprise integration

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 an advantage as well.

Responsibilities

• Integration of user-facing elements developed by front-end developers with server side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Integration of data storage solutions by using mySQL database.

Skills And Qualifications

• Should have industry experience of at least 1 year.
• Strong proficiency with JavaScript and strong knowledge of Node.js and sails frameworks
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Good understanding of server-side templating languages such as EJS
• Good understanding of front-end technologies, such as HTML5, and CSS3
• 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