Senior Backend Developer – Java

Job not on LinkedIn

🕒 March 26

🇵🇭 Philippines – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 45%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Quantrics Enterprises Inc.

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 2016

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

Quantrics Enterprises Inc. is a provider of world-class customer solutions, combining exceptional customer care and IT services to help businesses grow at scale. The company emphasizes a people-first culture, community engagement, and career development, with multiple offices across the Greater Manila Area. Quantrics positions itself as a partner to businesses seeking outsourced customer support and technology-enabled service solutions.

📋 Description

• 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, 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.

🎯 Requirements

• 5+ years of experience building, validating, and maintaining enterprise backend services and RESTful APIs. • Proven ability to design, test, and troubleshoot real-time event processing, message reliability, and integration workflows using Apache Kafka and Kafka Streams. • Hands-on experience with containerized service deployment using Docker, OpenShift, and Kafka. • Experience with Oracle PL/SQL, PostgreSQL, and NoSQL, including data validation, performance tuning, and database behavior across integrated services. • Ensure compliance with TMF OpenAPI standards for service, data, and process modeling in telecom ecosystems. • CI/CD & Test Automation Experience with Jenkins and GitLab CI to automate build, test, and deployment pipelines for backend services. • Hands-on experience with ElasticSearch, Grafana, and Dynatrace (or equivalents) to monitor service health. • Advanced experience with Apache Kafka, including topic design, producers/consumers, and event flow validation. • Working knowledge of Google Cloud Platform (GCP), including managed services such as Cloud SQL. • Strong experience with JUnit and service-level testing frameworks for unit, integration, and contract testing. • Experience deploying and validating services using Docker and OpenShift.