Photon (is a fast growing global technology company, leading the industry in Digital Transformation for Enterprise. Photon is known for creating amazing mobile-first digital customer experiences and designs; and delivers technical expertise across all levels of corporate infrastructure.Note: Work from Office (All 5 days)Backend Developer – Webhook & Preference SyncRole SummaryThis role focuses on implementing webhook ingestion, HMAC verification, publishing vendor callbacks to Pub/Sub, and supporting preference synchronization across Listrak, MDM, and internal systems.Key Responsibilities- Build secure webhook receivers with signature validation and request authentication. - Publish vendor delivery, engagement, and opt-out events into Pub/Sub topics. - Archive raw webhook payloads to Cloud Storage for auditing. - Implement preference synchronization logic for email/SMS consent updates. - Integrate with internal preference, profile, and MDM services. - Handle retries, DLQ, and graceful degradation during vendor outages.Required Skills & Experience- 3–6 years backend engineering experience. - Experience developing webhook-based integrations. - Familiarity with Pub/Sub, schema-based payloads, and secure API patterns. - Understanding of HTTP security concepts (HMAC, TLS, replay protection). - Experience in e-commerce/retail domainPreferred- Experience with preference/consent systems or ESP callback handling.
Job Title
Back End Developer