Backend Developer

Job Description:

We are looking for a skilled Java Developer with 4+ years of experience. The ideal candidate should have hands-on experience in building scalable and high-performance applications using modern Java frameworks and cloud-based deployments. You will work with cutting-edge technologies, including microservices, reactive programming, and containerized deployments, to develop robust and efficient solutions.

Key Responsibilities:

• Develop, enhance, and maintain applications using Java, Spring, and Spring Boot.

• Implement authentication and authorization mechanisms using Keycloak.

• Design and develop scalable microservices with efficient communication using HTTP and gRPC.

• Utilize WebFlux and reactive programming principles to build non-blocking applications.

• Integrate and work with RabbitMQ for messaging and event-driven architecture.

• Work with PostgreSQL, ensuring optimized queries and database performance.

• Deploy applications on Google Cloud Platform (GCP), leveraging cloud-native services.

• Utilize Docker and containerization techniques for efficient application deployment.

• Implement unit testing and ensure code quality through best practices.

• Collaborate with cross-functional teams to design and develop robust solutions.

• Use Git for version control and participate in code reviews.

• Work with GoLang where needed for microservice or backend functionalities.

Required Skills:

• Strong experience with Java, Spring, and Spring Boot.

• Good understanding of Keycloak for authentication and authorization.

• Experience with HTTP, gRPC, and microservices architecture.

• Hands-on knowledge of WebFlux and reactive programming.

• Experience working with RabbitMQ for message brokering.

• Proficiency in PostgreSQL and writing efficient SQL queries.

• Familiarity with GCP deployment and cloud-native development.

• Experience with Git, Docker, and containerization.

• Strong understanding of unit testing frameworks like JUnit, Mockito, etc.

• Ability to work with GoLang when required.

Nice to Have:

• Experience with Kubernetes for container orchestration.

• Exposure to CI/CD pipelines and DevOps practices.

• Knowledge of security best practices in cloud-based applications.

Job Title - Golang Developer

Experience - 4- 8 years

Location - Bangalore / Gurugram

Primary Skills - Golang

Roles and Responsibilities:

1. Software Development

• Design, develop, and maintain applications using Golang.
• Write clean, scalable, and efficient code by adhering to Go best practices and conventions.
• Develop and deploy microservices, APIs, and backend systems using Go.
• Integrate third-party services, tools, and databases with Golang applications.
• Optimize application performance and ensure high availability and scalability.

2. System Architecture and Design

• Collaborate with architects and lead developers to design the structure and components of the software.
• Participate in designing the overall architecture of applications, ensuring it’s modular, maintainable, and secure.
• Define API contracts and integrate with frontend teams for seamless interaction between services and front-end systems.

3. Code Maintenance and Testing

• Write unit and integration tests to ensure code reliability and maintainability.
• Perform code reviews to ensure code quality and adherence to coding standards.
• Fix bugs and troubleshoot issues in existing Golang-based applications.
• Continuously monitor and refactor the code to improve maintainability and readability.

4. Concurrency and Parallelism

• Leverage Go’s concurrency features, such as goroutines and channels, to write highly concurrent applications that scale efficiently.
• Ensure effective use of resources by implementing parallel processing and handling multiple requests simultaneously.

5. Database Management and Integration

• Work with both SQL and NoSQL databases (such as PostgreSQL, MySQL, MongoDB, etc.) for data storage and retrieval.
• Write efficient queries and design database schemas that meet application needs while optimizing performance.

6. Collaboration with Cross-functional Teams

• Work closely with other developers, product managers, and designers to understand the requirements and deliver high-quality solutions.
• Participate in agile workflows, including sprint planning, stand-ups, and retrospectives.
• Collaborate with DevOps for the deployment and continuous integration (CI/CD) pipelines to ensure smooth application releases.

7. Documentation

• Write technical documentation and detailed code comments to make the codebase more understandable and maintainable.
• Document the design and development processes, API endpoints, and deployment procedures for better team collaboration and knowledge sharing.

8. Performance Optimization

• Analyze and optimize Go applications for better speed and resource consumption.
• Use profiling tools and best practices to identify and mitigate performance bottlenecks.
• Implement caching strategies and use efficient algorithms to improve response time.

9. Security Implementation

• Ensure secure coding practices and follow security guidelines when developing Go-based applications.
• Protect against common security threats, such as SQL injection, XSS, and CSRF.
• Implement proper encryption and authentication mechanisms (e.g., OAuth, JWT).

10. Version Control and Collaboration Tools

• Use version control systems like Git to manage code and collaborate with other developers.
• Engage with project management and communication tools like JIRA, Slack, or Trello for efficient project tracking.

11. Continuous Learning

• Stay updated with the latest developments in the Go language and related technologies.
• Continuously enhance programming skills and explore new libraries, tools, or frameworks to improve the software development process.

12. Deployment and Cloud Integration

• Experience with cloud platforms (such as AWS, GCP, Azure) for deploying Go-based applications.
• Ensure that applications are containerized using Docker and managed with Kubernetes.
• Set up automated deployment pipelines and continuous integration for efficient delivery.

Job Title - Java Developer

CTC - 15LPA

Experience - 5+ years

Location - Pune Only

Work Mode - Onsite

Good to Have- Java , spring Framework , Spring Boot.

Qualification - Bachelor’s or master’s degree in computer science 

Roles and Responsibilities:

∙Design, develop, test, and maintain high-quality Java applications                               

∙Implement and optimize Microservices architecture using Spring Boot                      

∙Utilize Hibernate for efficient data management and database interactions              

∙Implement and optimize asynchronous communication using technologies such as 

Active MQ, Google Cloud Pub/Sub, Apache Kafka, etc.                                    

∙Write unit tests using Junit and Mockito for robust code coverage                              

∙Collaborate with cross-functional teams to define and implement features              

∙Perform code reviews to ensure code quality and adherence to coding standards                 

∙Utilize SQL for effective database querying and manipulation                                        

∙Work with GIT for version control and code collaboration                                               

∙Track and manage tasks using JIRA            

We are looking for a focussed, energetic and motivated Senior Java Developer. You must have sufficient experience in Java Development, Spring, Spring Boot, AWS and SQS, S3. You will be challenged with complex and robust product development.

As a Senior Java Developer, you will be the most senior developer within the company working alongside other Java Developers, the Engineering Manager, and the CTO.

Senior Java Developer requirements

Solid development experience using Java, Springboot, SQS, S3 and Microservices

Experience working in Swing Java framework

Revises, updates, refactors, and debugs code

Write clear, concise and efficient code and ensure it is fully tested

Service and develop features using Java with AWS, JUnit, SQL and Spring framework

You have a good knowledge of Cloud technologies (ideally AWS)

Participate in peer coding reviews and work in a collaborative, agile environment

Demonstrate technical knowledge and expertise with a clear understanding on the products' technical composition

Senior Java Developer responsibilities

7-9 yrs minimum work experience

Excellent analytical, troubleshooting, and communication skills

Excellent attention to detail and time-management skills

Serves as an expert on developed applications

Ability to adapt and learn new product/technology is key

Collaborates with internal teams to produce software design and architecture

Knowledge of Agile frameworks (i.e. Scrum) and has worked with Jira or Spira

Attend daily stand-up meetings alongside the Scrum Master

A self-starter, hardworking and committed individual

Work UK hours - ideally 9.00am - 6pm with the expectation to work out of ours when needed

Context for the Candidates:

Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.

Key Discussion Points:

• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?

• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.

• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?

• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?

• Share best practices for gas optimization, contract upgradability, and backend scalability.

Evaluation Criteria:

1. Technical Knowledge:

• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.

• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).

• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.

2. Problem-Solving and Integration Skills:

• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.

• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.

3. Experience and Expertise:

• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.

• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.

4. Innovation and Critical Thinking:

• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.

• Discussion on the future potential of blockchain technology and how the tech stack can evolve.

5. Communication and Team Collaboration:

• Clear articulation of technical challenges and how to address them in a team setting.

• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.

• 3-5 Years of experience in Backend Development.
• Must have experience in Python (FLASK framework).
• Have a Deep understanding of how RESTful APIs work.
• Familiar with various design and architectural patterns that can work at scale.
• Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
• Strong experience with at-Cloud technology, preferably AWS or GCP, or Azure.
• Core experience in developing complex backend systems.
• Communicating complex technical concepts to both technical and non-technical audiences.
• Passionate about application scalability, availability, reliability, and security.