Company culture :
Cnexia Tech is driven by a culture strongly focused on performance and competitiveness, where ambition, challenge and measurable results are key drivers of success. This dynamic is complemented by a collaborative dimension, promoting trust, teamwork and close managerial support. It also integrates an innovation component that encourages initiative, adaptability and experimentation in a fast-evolving technological environment. Finally, a structured organizational culture underpins the whole by ensuring process rigor, reliability and operational efficiency.
Job : Strong experience building, validating, and maintaining enterprise backend services and RESTful APIs
Proven ability to design, test, and troubleshoot realtime event processing, message reliability, and integration workflows
Hands-on experience with containerized service deployment, scaling, and environment consistency
Experience validating data integrity, performance tuning, and database behavior across integrated services
Ensure compliance with TMF OpenAPI standards for service, data, and process modeling in telecom ecosystems
Required profile :
Main Job Responsibilities:
- Develop, enhance, and maintain backend services and APIs using Java 21, Spring Framework 5/6, and Spring Boot 3/4, following industry best practices.
- Design, implement, and document RESTful APIs, ensuring reliable integration with downstream and upstream systems.
- Build and maintain event-driven and streaming solutions using Apache Kafka, including Kafka Streams for real-time data processing and Kafka Connect for system integration.
- Ensure service interoperability and standardization by implementing TMF Forum OpenAPI specifications for service, data, and process modeling.
- Work extensively with containerized applications, leveraging Docker and deploying to OpenShift platforms in cloud-native environments.
- Design, develop, and optimize database schemas and queries using PostgreSQL, including performance tuning and index optimization.
- Deploy and manage applications in Google Cloud Platform (GCP), utilizing Cloud SQL and aligning with cloud security and resilience best practices.
- Apply Secure Software Development Lifecycle (SSDLC) practices to produce clean, maintainable, scalable, and secure code.
- Implement automated testing strategies, including unit tests, integration tests, and service-level testing, to ensure reliability and quality of deliverables.
- Participate actively in Agile delivery practices, including sprint planning, daily stand-ups, backlog refinement, reviews, and retrospectives.
- Troubleshoot, diagnose, and optimize application and platform performance, including messaging throughput, database performance, and resource utilization.
- Monitor and support application observability and operational health, using tools such as ElasticSearch, Grafana, Dynatrace (where applicable), and platform-native monitoring solutions.
- Collaborate closely with cross-functional teams, including architecture, QA, platform, and operations, to ensure successful end-to-end service delivery.
Skills:
1. Java & Spring-Based Service Development
2. EventDriven Architecture & Messaging (Apache Kafka, Kafka Streams)
3. Microservices & Containerization (Docker, OpenShift, Kafka)
4. Database Expertise (Oracle PL/SQL, Postgres, NoSQL)
5. TMF Forum Standards (OpenAPI, SID, eTOM)
