Randinesia, S.Kom.
Tech Lead · Full-Stack .NET Engineer · Systems Architect
Motivated and dedicated software engineer with a passion for building systems that make organizations more efficient and effective. Experienced across microservices and modular-monolith architectures, leading delivery from client requirements through production deployment. AI-assisted engineer, passionate learner, structured thinker, and confident communicator.
Work experience.
From programming tutor to Tech Lead — a track record of growing responsibility across engineering and business domains.
Tech Lead
- Analyze client BRDs and change requests, building requirements proposals and change analyses
- Supervise code versioning and successive production deployments (CI/CD) on Bitbucket, Jenkins, and SonarQube
- Monitor code quality across backend logic and SQL queries; supervise senior developers' implementations
- Maintain system-change documentation driven by impact analysis
- Work closely with client QA, Business Enablement teams, and Product Owners to complete business analysis
- Own manday effort estimation and calculation for each change request
- Products handled: CONFINS R2 (Bussan Auto Finance), CONFINS R3 (Hyundai Capital Finance Indonesia, Moladin Finance), CONFINS Cloud (Hino Finance Indonesia)
Senior Developer
- Developed requirements from analysts and supervised developers' technical reviews
- Maintained code versioning and successive production deployments (CI/CD)
- Tuned backend logic and SQL queries for performance
- Maintained FSD and SIT system documentation
- Partnered with analysts, client QA, and Business Enablement teams to drive successful UAT and testing
- Products handled: CONFINS R2 (BAF), CONFINS R3 (HCFI), CONFINS Cloud (HFI)
Business Process Improvement Specialist
- Led digitalization of manual forms into e-forms across the organization
- Built a web application with 12 active modules — financial subprocess support, SOP management, supply-chain subprocess, employee data, reporting, and risk — used by offices and store branches nationwide across Indonesia
- Maintained application code and versioning
- Collaborated with IT and business process owners to invent new modules and improve existing ones for measurable efficiency gains
Account Payable Staff
- Processed incoming invoices through to payment
- Worked closely with accountants on other-income invoices
- Coordinated with store branch admins on goods receiving — differences and item returns
Programming Tutor
- Composed and maintained the grade-school syllabus as teaching guidance
- Tutored grade-school through senior-high students in programming
- Taught Java and Python basics for middle school and above; Scratch and Roblox Creator for younger students
Skills & expertise.
Backend Development
C# with .NET Core 6 & 10, ASP.NET Framework. REST APIs, web services, WebSockets, staging pipelines, and architectural design for scalability.
Frontend Development
HTML, CSS, and JavaScript with hands-on Blazor WebAssembly and React experience — plus AI-driven design workflows with Claude Design.
Database Architecture
SQL Server — queries, ERD design, stored procedures, user-defined tables — plus PostgreSQL and Redis. Enterprise-scale database architectural design.
DevOps & Quality
CI/CD pipelines with Bitbucket, Jenkins, and SonarQube. Code-quality monitoring, versioning discipline, and successive production deployments.
Leadership & Analysis
BRD and change-request analysis, requirements proposals, manday estimation, developer supervision, and close collaboration with QA and Product Owners.
AI-Assisted Engineering
Leveraging AI tooling throughout the development lifecycle — a structured thinker who pairs modern acceleration with rigorous review.
Academic background.
S2 Magister Teknik Informatika
Universitas Bunda Mulia
S1 Teknik Informatika
Universitas Bunda Mulia — 3.90 GPA. Head of Informatics Student Committee (2019 – 2021).
Senior High School
SMA Strada Santo Thomas Aquino
Let's build something together.
Reach out through SynkaiTech or connect directly on LinkedIn.