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Backend Engineer - Qlik Replicate,Middleware / Product Installation,Configuration - RAPSYS TECHNOLOGIES PTE. LTD.

Backend Engineer

DB2, VSAM, Oracle, SQL Server, MySQL, PostgreSQL). • Familiarity with message broker/streaming integration (Kafka, AWS MSK) as a CDC target or intermediary layer.

About the role

Experience and Skills Required

Middleware / Product Installation &Configuration:

• Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.

• Hands-on experience installing, configuring, and maintaining middleware or data replication products (QlikReplicate, IBM InfoSphere DataStage/CDC, Oracle GoldenGate, Debezium, or similar) in an enterprise environment.

• Practical experience onboarding new source systems into a CDC platform, including endpoint configuration, initial full-load, and incremental change capture setup.

• Working knowledge of source database technologies commonly paired with CDC middleware (e.g. DB2, VSAM, Oracle, SQL Server, MySQL, PostgreSQL).

• Familiarity with message broker/streaming integration (Kafka, AWS MSK) as a CDC target or intermediary layer.

Cloud Knowledge:

• Hands-on experience with AWS core services relevant to CDC architectures (EC2, MSK, RDS, DynamoDB, S3, IAM,VPC/networking).

• Understanding of hybrid connectivity patterns between on-premise mainframe/data center environments and cloud target environments (VPN, Direct Connect, Transit Gateway).

• Familiarity with cloud security fundamentals: IAM least-privilege design, secrets management, encryption in transit and at rest.

• Exposure to Azure or Google Cloud is an advantage but not required, given the AWS-centric target environment.

DevSecOps & Automation (Preferred):

• Experience with Infrastructure as Code tools, particularly Terraform, for provisioning and supporting cloud resources.

• Experience with CI/CD pipelines(GitHub Actions, GitLab CI, Jenkins, ArgoCD) to automate configuration deployment and change management for replication tasks.

• Familiarity with configuration management and scripting (Bash, Python, PowerShell, Ansible) to automate repetitive onboarding and maintenance tasks.

• Understanding of security best practices for CI/CD pipelines and secrets management (HashiCorp Vault, AWS Secrets Manager).

• Experience with monitoring and observability tooling (CloudWatch, Prometheus, Grafana, ELK stack) to build dashboards and alerts for replication health.

• Experience with Git and modern branching workflows for managing configuration-as-code and documentation.