Open to opportunities

Miftah Regyana

@regyanax

Message

Backend engineer specializing in Node.js/TypeScript, Elasticsearch, and scalable microservices.

Indonesia

Message

What I'm looking for

I seek backend roles where I can build scalable, testable APIs and data platforms, work with TypeScript/Elasticsearch, and influence architecture and reliability.

I am a backend engineer with 4+ years of experience building scalable APIs and data services, focused on Node.js and TypeScript. I design reliable systems that improve search quality, data integrity, and overall performance.

At Ajobthing I led a SQL-to-Elasticsearch migration, designed indices and ingestion jobs, added parity tests, and offloaded significant read traffic to achieve sub-second queries. I also built REST/JSON endpoints around ES and implemented validation and telemetry to detect drift early.

Previously at Lifepack.id I introduced TypeScript and refactoring standards, built microservices using Hexagonal Architecture, DDD, CQRS, and Event Sourcing, and owned integrations to improve data consistency and reduce incidents. I created reusable modules that reduced feature lead time and improved deployment frequency.

Earlier work at PT. Eigen Tri Mathema included building REST APIs for Mini-ERP modules, enforcing ACID semantics, optimizing performance, and piloting microservices adoption. I favor pragmatic engineering, measurable outcomes, and maintainable codebases.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Engineer

Current

Ajobthing Sdn Bhd

Aug 2024 - Present (1 year 3 months)

Led SQL-to-Elasticsearch migration, offloaded ~40–60% read traffic from primary DB and achieved sub-second queries; built REST/JSON endpoints and validation telemetry to improve search quality and integrator onboarding (~30% faster).

TypeScript Elasticsearch REST APIs Data Migration Telemetry

Backend Engineer

Lifepack.id

Jul 2022 - Jun 2024 (1 year 11 months)

Introduced TypeScript and refactoring standards reducing runtime defects ~30%; built hexagonal microservices (DDD, CQRS, Event Sourcing) to double deployment frequency and improve maintainability and data consistency for integrations.

TypeScript Microservices DDD CQRS Event Sourcing On Call

Backend Engineer

PT. Eigen Tri Mathema

Aug 2020 - May 2022 (1 year 9 months)

Built REST APIs for Mini-ERP modules ensuring ACID data integrity and cut latency ~40% through backend/frontend optimizations; reduced sync failures with idempotency and retry logic while piloting microservices adoption.