DDAG
High-performance Go gateway dynamically reflecting SQL schemas and exposing PostgreSQL, MySQL, MSSQL, and Oracle databases as secure, governed REST APIs with JWT auth and PgBouncer connection pooling.
Verified production track record, core competencies, and hiring specifications at a single glance.
Bridges the gap between deep database internals (PostgreSQL, MSSQL, Oracle), high-throughput backend microservices (Go, Python, Laravel), and enterprise security governance.
Explore interactive system topologies engineered by Heri Riski Anto. Click on any node to inspect latency, security controls, and design decisions.
Real performance benchmarks and operational metrics achieved across enterprise databases.
Execution plan analysis, composite B-tree indexing, and partition pruning on PostgreSQL & SQL Server.
π 99.5% Latency ReductionAutomated WAL/Binlog shipping, RMAN backups, and automated restoration verification protocols.
β 99.98% High AvailabilityDebezium Kafka streaming from OLTP to ClickHouse columnar database for real-time analytical queries.
π Sub-Second AnalyticsExperience real-world database bottleneck resolution live in the browser. Select a high-load production scenario to inspect raw execution plans vs Heri's index tuning & architectural refactor.
A monthly financial aggregation query on a 10,000,000 row transaction table takes 4,280ms, triggering CPU spikes and locking connection threads.
SELECT tenant_id, DATE_TRUNC('month', created_at) AS tx_month,
SUM(amount) AS total_volume, COUNT(*) AS tx_count
FROM financial_transactions
WHERE tenant_id = 'afpi_node_99'
AND created_at >= '2025-01-01'
AND status = 'COMPLETED'
GROUP BY 1, 2;
Seq Scan on financial_transactions (cost=0.00..428,940.10 rows=14,200 width=48) (actual time=42.10..4280.45 rows=14,198 loops=1) Filter: ((created_at >= '2025-01-01'::date) AND (status = 'COMPLETED'::text) AND (tenant_id = 'afpi_node_99'::text)) Rows Removed by Filter: 9,985,802 Buffers: shared hit=8,201 read=342,100 Planning Time: 0.852 ms Execution Time: 4280.950 ms
Enterprise database engines, real-time CDC streaming pipelines, and fullstack platforms. Click [β‘ Test / Inspect] on any card to run live interactive simulations!
High-performance Go gateway dynamically reflecting SQL schemas and exposing PostgreSQL, MySQL, MSSQL, and Oracle databases as secure, governed REST APIs with JWT auth and PgBouncer connection pooling.
Continuous Change Data Capture streaming pipeline capturing transactional mutation logs from OLTP into ClickHouse columnar storage for sub-second analytical reporting over 50M+ rows.
Single-tenant organization management platform with digital membership ID (KTA), SKP academy credentialing, governance hierarchy, and tamper-resistant cryptographic certificate verification.
Community information system, transparent budget ledger, and digital musyawarah consensus for RT/RW neighborhoods powered by embedded offline-capable WASM PostgreSQL database.
Comprehensive enterprise workforce operations featuring Anti-Mock GPS & Face ID attendance, automated 1-click payroll calculation, KPI appraisal matrix, and multi-branch dashboards.
High-availability Change Data Capture integration synchronizing real-time financial ledger mutations from PostgreSQL to Oracle Database 19c with schema mapping and DLQ replay.
Enterprise zero-credential database port availability & latency probe platform. Features Prometheus Blackbox Exporter, resilient chunked PostgreSQL time-series ingestion daemon, downtime event tracking, and 7-panel Grafana SLA KPI executive reporting.
Real high-stakes database crises diagnosed and resolved under pressure. Zero data loss, fast RTO, and verified root-cause remediation.
Real-time public repositories created and maintained by Heri Riski Anto on GitHub. Search and filter across 49+ projects.
7+ years of consistent production delivery, infrastructure hardening, and high-availability engineering.
Flexible engagement models tailored for fast-moving startups, fintech lenders, and enterprise fleets requiring elite database performance, ISO 27001 compliance, and zero-downtime reliability.
Comprehensive deep-dive analysis of query bottlenecks, buffer cache hit ratios, lock contention, and ISO 27001 / UU PDP data privacy compliance.
Full-lifecycle schema refactoring, PL/SQL to PL/pgSQL translation, cloud cost downsizing, and real-time Kafka/Debezium/ClickHouse OLAP offloading.
Dedicated high-availability operations, Prometheus/Grafana monitoring sentinel, disaster recovery drills, and priority emergency on-call support.
See the direct financial and performance impact of professional DBA optimization on your cloud infrastructure spend (AWS RDS, Aurora, Cloud SQL) and application SLAs.
Open for Senior Database Administrator, Cloud Infrastructure, and Platform Engineering roles, consulting, or technical advisory engagements.
Results-driven Database Administrator (DBA), Cloud Infrastructure, and Backend Platform Engineer with 7+ years of production experience designing, scaling, and securing enterprise data platforms, telecommunication database fleets, and fintech infrastructure. Expert in administering multi-engine database environments (PostgreSQL, MS SQL Server AlwaysOn, Oracle 19c, MySQL, ClickHouse), designing high-availability (HA/DR) failovers, automating real-time CDC/ETL data pipelines, and leading ISO/IEC 27001 Information Security Management System (ISMS) compliance. Proven track record developing high-throughput microservices using Go (Golang) and Python.
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