Full-Stack Java Developer

We are seeking an experienced Full-Stack Java Developer with expertise in developing telecommunication-grade software. The ideal candidate will have a strong background in Java development, and experience with modern backend and frontend technologies, message queuing systems, database management, containerization, and cloud orchestration tools. A solid understanding of networking basics and the ability to design, implement, and maintain REST and SOAP services is required.

Key Responsibilities:

Design and Development:

• Architect, design, and develop telecommunication-grade application components/modules using Java.
• Implement and maintain RESTful and SOAP web services for integration with other systems.
• Work on both the front-end and back-end to build efficient and scalable solutions.

Front-end Development:

• Good command on front-end development using any of the modern client-side rendering frameworks like Angular or React.js or Vue.js or Bootstrap etc.
• Good command on establishing loosely coupled interface (strictly using REST only) between front-end and back-end.
• Familiarity with designing front-end-back-end interface in such a way that the interface is reusable for development of mobile applications, or the front-end technology can be easily replaced.

Middleware Integration:

• Develop and manage middleware solutions.
• Good command on using WildFly.
• Implement messaging solutions using Artemis Message Queue for asynchronous communication.

Database Management:

• Design, develop, and maintain database schemas for PostgreSQL or MySQL.
• Hand-on experience of ensuring data integrity, optimize database performance and data model normalization.
• Familiarity with database performance optimization using indexing, partitioning is required.

Containerization and Orchestration:

• Develop and manage containerized applications using Docker.
• Deploy, manage, and scale applications using Kubernetes.

Telecommunication Systems:

• Develop applications that meet telecommunication-grade reliability, performance, and scalability standards.
• Work closely with network engineers to integrate software with telecommunication hardware and services.

Networking:

• Utilize basic networking concepts in the development and deployment of applications.
• Collaborate with the networking team to ensure proper communication between services.
• Basic understanding of IPv4 and IPv6 networking concepts is required.
• Basic network level fault-finding capabilities and knowledge of basic networking connectivity testing tools is essential.

Testing and Maintenance:

• Write unit and integration tests to ensure the robustness of applications.
• Perform troubleshooting, debugging, and performance tuning of existing systems.

Collaboration:

• Collaborate with cross-functional teams to define, design, and ship new features.
• Participate in code reviews and provide feedback to other developers.
• Communicate technical concepts to non-technical stakeholders when required.

Required Skills:

• Java: Strong expertise in OpenJDK Java (JDK 8+), with experience in building enterprise-level applications.
• WildFly: Hands-on experience with WildFly application server for hosting Javabased applications.
• Artemis Message Queue: Knowledge of Artemis or similar messaging technologies for asynchronous communication.
• REST & SOAP: Proficiency in designing and consuming RESTful and SOAP web services. Must be hands on with Swagger and open-api definitions.
• Databases: Proficient in PostgreSQL or MySQL for database design, development, and optimization.
• Kubernetes & Docker: Strong experience with Kubernetes and Docker for containerization and orchestration.
• Networking Basics: Understanding of basic networking concepts, such as TCP/IP, DNS, firewalls, and load balancers.
• Version Control: Good command on Git (CLI) for version control and collaboration.
• Agile Development: Experience working in Agile environments with tools like JIRA or Trello.
• Linux: Good knowledge of using Linux system (using bash shell) is required. Ability to be able to write simple bash scripts is a must.

Preferred Qualifications:

• Telecommunication Experience: Prior experience developing software for telecommunication systems.
• Cloud Platforms: Familiarity with cloud infrastructure (AWS, GCP, or Azure) and their container orchestration services.
• CI/CD Pipelines: Experience with CI/CD tools like Jenkins, GitLab CI, or CircleCI for automated testing and deployment.
• Security: Understanding of security best practices in software development, especially in telecommunication-grade systems.

Soft Skills:

• Strong problem-solving skills with the ability to debug complex issues in real-time.
• Excellent communication skills to effectively collaborate with internal teams and stakeholders.
• Ability to work independently and manage multiple projects simultaneously.
• Attention to detail and commitment to delivering high-quality software.