4Bell Technology

Job Description

Backend Technologies: Java, Spring Boot, Hibernate/JPA
• Architecture: RESTful APIs, gRPC-based inter-service communication, microservices
architecture
• Databases: PostgreSQL preferred; strong expertise in SQL-based relational databases
(MySQL or equivalent)
• Caching: Distributed caching / in-memory data grids (Hazelcast or equivalent)
• Deployment & DevOps Exposure: Docker, Apache Tomcat, Nginx; CI/CD pipelines
• Logging & Monitoring: Working exposure to ELK stack (Elasticsearch, Logstash, Kibana)
• Security: Authentication, authorization, data protection, audit logging
• Agile / Scrum: Strong working experience in Scrum-based Agile development
• Open Source: Exposure to open-source frameworks, tools, and libraries used in backend
development.

Roles and Responsibilities:
o Design and deliver scalable, high-availability backend systems aligned with defined
architecture guidelines
o Prepare and own Low-Level Designs (LLDs) and contribute to High-Level Designs (HLDs) and
API documentation
o Define detailed backend designs for modules and data flows; conduct design reviews for
critical components
o Develop and review RESTful and gRPC-based backend services and service interactions
o Ensure implementation adheres to approved coding and design standards
o Ensure adequate code coverage, including new and relevant legacy backend components
o Prepare, review, and support deployment scripts, releases, and environment configurations
o Provide inputs for estimation, planning, and release execution
o Conduct design walkthroughs for development teams
o Oversee backend development and perform code reviews to ensure quality and architectural
compliance
o Implement distributed caching, database optimization, and performance tuning 
o Use logging and monitoring tools to analyze issues and support production environments
o Integrate backend services with external systems and third-party platforms
o Drive Proof of Concepts (PoCs) and evaluate new backend technologies, open-source tools,
and utilities
o Mentor backend developers and collaborate closely with frontend, DevOps, and QA teams
o Ensure adherence to security, reliability, resiliency, and accessibility-related backend support
requirements.