Senior Security Engineer: Crypto FinTech & Secure Systems

PT Rekeningku Dotcom Indonesia; Jakarta Pusat; On-site; IDR 600,000,000 - 1,200,000,000; Full time

Job summary

PT Rekeningku Dotcom Indonesia is seeking a hands-on Senior Full-Stack Security Engineer to build secure, reliable crypto platform products across backend, web, and mobile components.

You will lead secure architecture reviews, implement controls in CI/CD and cloud environments, and work with AI-assisted tooling to accelerate delivery while ensuring financial integrity, access management, and incident response.

Qualifications

• 5+ years of professional software engineering experience with a security focus.
• Backend development in Go, Java, TypeScript, Python, or similar.
• Experience building modern web apps with secure APIs.
• Knowledge of AWS, GCP, or Azure plus Docker, Kubernetes, and infrastructure-as-code.
• Understanding of authentication, authorization, encryption, and secure SDLC practices.
• Experience with automated testing, CI/CD, observability, vulnerability management, and incident response.

Responsibilities

• Design, build, test, deploy, and operate secure features across frontend, backend, APIs, data stores, and cloud infrastructure.
• Lead secure architecture reviews, threat modeling, and risk assessments for new and existing systems.
• Implement security controls in application code, CI/CD pipelines, cloud environments, containers, and Kubernetes.
• Strengthen authentication, authorization, secrets management, encryption, audit trails, and data protection.
• Identify and remediate vulnerabilities in web, mobile, API, and infrastructure components.
• Build automated security tests, dependency and container scanning, secure deployment checks, and release guardrails.
• Develop monitoring and alerts for suspicious activity, abnormal financial behavior, access violations, and system failures.
• Lead or support incident investigation, containment, remediation, reconciliation, and post-incident improvement.
• Use AI tools for software development, code review, test generation, threat analysis, documentation, and investigation.

Skills

Backend development

API design

Security engineering

Cloud platforms

CI/CD

Kubernetes

Docker

Tools

AWS

GCP

Azure

Docker

Kubernetes

IaC (Terraform)

Job description

PT Rekeningku Dotcom Indonesia is seeking a hands-on Senior Full-Stack Security Engineer to build secure, reliable crypto platform products across backend, web, and mobile components.

You will lead secure architecture reviews, implement controls in CI/CD and cloud environments, and work with AI-assisted tooling to accelerate delivery while ensuring financial integrity, access management, and incident response.