Information Technology Solution With
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Transforming Concepts into Seamless User Experiences
Hi! I'm Raka Janitra, a Software / Platform & Security Engineer based in Jakarta 🇮🇩
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My work experience
Software Engineer - Kelas Pintar Indonesia
Data Engineer - Bank BTPN
(TL) Platform Engineer - PT Pharos Indonesia
(Part-Time) Red Team Offensive - PT PLN Energi Primer Indonesia
Sr. Platform and Security Engineer (L3) - A1C LTE. PTD
A Selection of
Professional
Certifications
(CCSP-AWS) - Certified Cloud Security Practitioner
Certified Cloud Security Practitioner (CCSP-AWS) demonstrates a foundational understanding of how cloud systems on Amazon Web Services (AWS) are secured, focusing on protecting data, applications, and infrastructure in cloud environments.
(CCSP-AWS) - Certified Cloud Security Practitioner
Certified Cloud Security Practitioner (CCSP-AWS) demonstrates a foundational understanding of how cloud systems on Amazon Web Services (AWS) are secured, focusing on protecting data, applications, and infrastructure in cloud environments.
(CNSP) - Certified Network Security Practitioner
Certified Network Security Practitioner (CNSP) is a foundational certification that demonstrates an understanding of how computer networks are protected from common threats, helping ensure data and systems stay safe in everyday digital environments.
(CNSP) - Certified Network Security Practitioner
Certified Network Security Practitioner (CNSP) is a foundational certification that demonstrates an understanding of how computer networks are protected from common threats, helping ensure data and systems stay safe in everyday digital environments.
(CCEP) - Certified Cybersecurity Educator Professional
Certified Cybersecurity Educator Professional (CCEP) demonstrates the ability to both understand cybersecurity concepts and effectively teach them to others. This certification highlights expertise in protecting digital systems, managing security risks, and guiding individuals or teams to follow best security practices in real-world environments.
(CCEP) - Certified Cybersecurity Educator Professional
Certified Cybersecurity Educator Professional (CCEP) demonstrates the ability to both understand cybersecurity concepts and effectively teach them to others. This certification highlights expertise in protecting digital systems, managing security risks, and guiding individuals or teams to follow best security practices in real-world environments.
(CRTOM) - Certified Red Team Operations Management
Certified Red Team Operations Management (CRTOM) demonstrates expertise in building and managing threat-led red team programs, including adversary emulation, cloud red teaming, detection validation, and executive-level risk reporting. The certification emphasizes operational safety, governance, and measurable security improvement rather than exploit-driven testing.
(CRTOM) - Certified Red Team Operations Management
Certified Red Team Operations Management (CRTOM) demonstrates expertise in building and managing threat-led red team programs, including adversary emulation, cloud red teaming, detection validation, and executive-level risk reporting. The certification emphasizes operational safety, governance, and measurable security improvement rather than exploit-driven testing.
SQL (Advanced) - Certified
SQL (Advanced) Certification from HackerRank, demonstrating strong proficiency in advanced SQL concepts such as complex joins, subqueries, window functions, data aggregation, and performance-oriented querying. This certification reflects my ability to work with complex datasets, optimize queries, and support data-driven decision making in production environments.
SQL (Advanced) - Certified
SQL (Advanced) Certification from HackerRank, demonstrating strong proficiency in advanced SQL concepts such as complex joins, subqueries, window functions, data aggregation, and performance-oriented querying. This certification reflects my ability to work with complex datasets, optimize queries, and support data-driven decision making in production environments.
Software Engineer - Certified
Software Engineer Certification from HackerRank, demonstrating strong proficiency in backend software engineering fundamentals, including relational database design and advanced SQL using PostgreSQL, backend development with Go, RESTful API design, and algorithmic problem solving. This certification reflects my ability to build reliable, efficient, and scalable systems, apply sound data modeling practices, implement well-structured APIs, and reason through complex problems with performance and maintainability in mind.
Software Engineer - Certified
Software Engineer Certification from HackerRank, demonstrating strong proficiency in backend software engineering fundamentals, including relational database design and advanced SQL using PostgreSQL, backend development with Go, RESTful API design, and algorithmic problem solving. This certification reflects my ability to build reliable, efficient, and scalable systems, apply sound data modeling practices, implement well-structured APIs, and reason through complex problems with performance and maintainability in mind.
Go (Intermediate) - Certified
Go (Intermediate) Certification from HackerRank, demonstrating strong proficiency in core Go concepts such as functions, pointers, file handling, structured error handling, and building web services. This certification reflects my ability to develop reliable backend services, write maintainable code, and apply Go effectively in real-world, production-oriented environments.
Go (Intermediate) - Certified
Go (Intermediate) Certification from HackerRank, demonstrating strong proficiency in core Go concepts such as functions, pointers, file handling, structured error handling, and building web services. This certification reflects my ability to develop reliable backend services, write maintainable code, and apply Go effectively in real-world, production-oriented environments.
Latest docs & projects
Welcome to raka.docs
This blog contains notes, experiments, and personal documentation around backend engineering, cloud infrastructure, and security.
OpenTelemetry 101: Understanding the Foundation of Modern Observability
OpenTelemetry is an open standard for generating, collecting, and exporting telemetry data like traces, metrics, and logs.
Observability 101: Why Logs Aren't Enough
Observability helps engineers understand what's actually happening inside a system, rather than just knowing something is broken.
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