Responsibilities

• Implement Temporal workflow activities in Go, including HSS adapter, PCRF adapter, and Inventory updates.
• Build and validate unit tests for all workflow activities from day one to ensure high-quality code.
• Create the Inventory Management Database, including designing tables, indexes, and partitioning to manage up to 30 million records efficiently.
• Develop bulk import tooling for CSV to ICCID/IMSI/MSISDN range ingestion from vendors.
• Implement REST API endpoints for the Inventory Database to manage allocation, reservation, release, and querying of SIM records.
• Write integration tests that cover the entire workflow, ensuring successful database assertions.
• Support senior developers in all workflow development tasks, including pair programming.
• Develop an end-to-end test suite to validate the full provisioning flow from SIM activation to order closure.
• Conduct load and stress testing to simulate peak transaction processing systems against all systems.
• Integrate test automation within the CI pipeline for all workflow and API tests.
• Implement HSS synchronization integration to reflect the IMSI allocation state in HSS (from mock to real network elements).
• Incorporate MNP (number portability) hooks into the Inventory Database.
• Provide UAT support by reproducing bugs, writing regression tests, and validating fixes.

Requirements

• 2-4 years of backend software development experience in production environments.
• Proficiency in Go or Java; Go is the primary language for this role, but strong Java fundamentals are acceptable.
• Familiarity with RESTful APIs and database management.
• Experience in testing methodologies and test automation tools.
• Strong problem-solving skills and attention to detail.
• Ability to work collaboratively in a team-oriented environment.
• Excellent communication skills in English.

Benefits

• Competitive salary and performance-based bonuses.
• Flexible working hours and remote work options.
• Opportunities for professional growth and development.
• Dynamic and collaborative work environment with a focus on innovation.
• Comprehensive health insurance and wellness programs.
• Access to the latest technologies and tools to enhance your skills.