Senior Java Developer

Shift timings : Afternoon

Job Summary

We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.

Key Responsibilities

● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.

● Migrate the legacy system to Spring Boot while ensuring minimal downtime.

● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.

● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).

● Handle XML file generation, email integrations, and REST API maintenance.

● Database management (SQL Server) including query optimization and schema updates.

● Collaborate with teams to ensure smooth transitions during migration.

● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.

● Document migration steps, deployment processes, and system architecture.

Required Skills & Qualifications

● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.

● Strong expertise in Spring Boot (migration experience from legacy Java is a must).

● Experience with Payara/GlassFish server management and deployment.

● Proficient in Apache, Ansible, and shell scripting (deployer.sh).

● Solid knowledge of SQL Server (queries, stored procedures, optimization).

● Familiarity with XML processing, email integrations, and Maven builds.

● Experience in production deployments, server troubleshooting, and performance tuning.

● Ability to work independently and lead migration efforts.

Preferred Skills

● Knowledge of microservices architecture (helpful for modernization).

● Familiarity with cloud platforms (AWS/Azure) is a plus.

The candidate should have extensive experience in designing and developing scalable data pipelines and real-time data processing solutions. As a key member of the team, the Senior Data Engineer will play a critical role in building end-to-end data workflows, supporting machine learning model deployment, and driving MLOps practices in a fast-paced, agile environment. Strong expertise in Apache Kafka, Apache Flink, AWS SageMaker, and Terraform is essential. Additional experience with infrastructure automation and CI/CD for ML models is a significant advantage.

Key Responsibilities

1. Design, develop, and maintain high-performance ETL and real-time data pipelines using Apache Kafka and Apache Flink.
2. Build scalable and automated MLOps pipelines for training, validation, and deployment of models using AWS SageMaker and associated services.
3. Implement and manage Infrastructure as Code (IaC) using Terraform to provision and manage AWS environments.
4. Collaborate with data scientists, ML engineers, and DevOps teams to streamline model deployment workflows and ensure reliable production delivery.
5. Optimize data storage and retrieval strategies for large-scale structured and unstructured datasets.
6. Develop data transformation logic and integrate data from various internal and external sources into data lakes and warehouses.
7. Monitor, troubleshoot, and enhance performance of data systems in a cloud-native, fast-evolving production setup.
8. Ensure adherence to data governance, privacy, and security standards across all data handling activities.
9. Document data engineering solutions and workflows to facilitate cross-functional understanding and ongoing maintenance.

Role & Responsibilities:

• Handle multiple products/modules simultaneously, lead the team in development and support
• Lead development teams
• Daily updates to customers and Product Managers/Delivery Managers
• Participate in design discussions
• Design and Architect small modules
• Effort estimations for modules, subsystems or use cases.
• Learn new skills and mentor the new team members
• Champion best practices within the team, including code reviews
  
  

Work Experience & Skills:

• B.E/B.Tech or any relevant Masters degree from reputed college.
• Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring JDBC, Jquery, Java script, HTML 5 and CSS
• Strong experience in Postgres or any SQL technology
• Experience with working on Tomcat, Apache, JBoss or any similar application server
• Should have 3+ years of experience in leading team.
• Good experience in JSON / RESTful API / Web Services.
• Experience in working on Agile methodology using Scrum and sprints
• Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
• Experience in cloud technologies, Microservices and frameworks such as AWS or GPC, container technologies like Docker is a plus.
• Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
• Experience in Microservices, SpringBoot and Angular is a plus.
• Experience with tuning deployed applications for scalability and performance.
• Good knowledge of deployment and scripting on Linux/Unix servers
• Strong technical documentation skills.
• Good oral and written communication skills

Technical:

• Advanced working knowledge of Magento, JavaScript/JQuery, HTML5, PHP, CSS3, and MySQL.
• Must have experience with complete eCommerce lifecycle development.
• Must have experience in modules/extensions development/customization.
• Must have experience in Theme and API integration/customization.
• Good communication skills.
• Must have knowledge of SSH, Nginx, and Apache.
• Knowledge in the GIT version is plus.

Non-Technical:

• Interpersonal skills
• Excellent Verbal & Written communication
• Decision maker
• Good Listener
• Ability to work independently

Roles & Responsibilities:

• Develop back-end/frontend new functionality
• Building and configuring Magento 1x and 2x eCommerce websites.
• Coding of the Magento templates.
• Developing Magento modules in PHP using best practices.
• Designing themes and interfaces.
• Setting performance tasks and goals.
• Troubleshooting integration issues.

Position: Senior Java Developer / Tech Lead

Work Location: Bangalore; India

Type of Employment: Full-time, Permanent

Experience: 6 to 10 years of Experience

• Proficient in Java/J2EE , core java, full stack development experience ( Database to UX)
• Must be proficient with integration with third-party applications within the enterprise and outside the organizations (API)
• Must be good in writing highly optimized code.
• Must be good at abstracting solutions - reduce time and cost to build
• Experience with Workflow Engines like Activiti will be an advantage
• Good understanding of native Android code/interface with Android apps, if preferable
• Must be an expert in managing data at the application database level - Transaction and Reporting database design
• Must be good in coding & product development
• Experienced with monitoring and observability
• Experienced with production support and debugging (heap dumps, thread dumps etc)
• Experience in Logistics domain is desirable
• Prior startup experience is preferred

Requirements:

• Bachelor’s or equivalent degree in Computer Science / BE
• Ability to handle the team of 7 to 8 members and giving guidance to the team
• Strong problem-solving skills
• Ability to respect deadlines and will to perform in an accelerated learning environment.

Key Skills: Java, J2EE, JSP, Spring, Angular, Apache, MySQL, SQL Queries,LinuxEnviroment, HTML, JQuery, Java Script, Version Control, .Net, Activiti, IBatis, Maven – Build, Git Hub, J Bos, CSS, HTML 5, JIRA, Selenium,AWS – Server Handling, Android, React JS

Note: Hiring from logistics and Ecommerce company only and 30-45 days’ notice is ok and can also buy back notice if required.