Backend roles, Node js,
Looking for a job
Dean Villamia
@deanvillamia
I like coding
PhilippinesWhat I'm looking for
Tech lead who has led engineering teams since 2021 — currently a team of six at OPUS (UK), a
mobile squad at a licensed digital bank, and an interim lead before that. 6+ years full-stack across
fintech, enterprise and startup, owning architecture from database schema through APIs to frontend
on systems where security and correctness are non-negotiable.
Experience
Work history, roles, and key accomplishments
OP
Tech Lead
OPUS
Jan 2025 - Aug 2026 (1 year 7 months)
Lead a team of 6 engineers and QA, shipping weekly releases through sprint planning, architecture decisions, and code review. Architected scalable distributed systems, built core APIs including geofencing, and integrated third-party event and smart-door access systems. Developed Operator, an AI assistant for 2,000+ founders, using LLM reasoning and tool-calling for matching, semantic search, and CRM sync.
UB
Lead Applications Developer
Union Digital Bank
Feb 2024 - Jun 2026 (2 years 4 months)
Built core banking and loan-servicing features for a licensed digital bank that acquired 1.7M customers, with a focus on security and correctness. Led 4 mobile developers, practicing TDD and owning CI/CD and mobile DevOps to stabilize Android and iOS release pipelines.
DT
Full-Stack Developer
Decode Technologies
Jun 2023 - Feb 2024 (8 months)
Architected data and full-stack systems across the product, owning schema design and service structure. Led a database migration between data models, built via custom scripts to move and reshape data safely.
DE
Tech Lead · Full-Stack Engineer
DeanVillamia
Tech lead who has led engineering teams since 2021, currently leading a team of six at OPUS (UK), a mobile squad at a licensed digital bank, and an interim lead before that. With 6+ years of full-stack experience across fintech, enterprise, and startup, owning architecture from database schema through APIs to frontend on systems where security and correctness are non-negotiable.
ReactNext.jsNestJSTypeScriptJavaSpring BootHibernateJPASpring SecurityPostgreSQLMongoDBFirestoreRedisPrismaTypeORMSQLNoSQLFlutterReact NativeSwiftNative AndroidVector SearchMakeN8nClaudeCursorAWSGCPFirebaseDockerKubernetesCI CDREST APIsMicroservicesClean ArchitectureGitAgile ScrumOWASPGDPRTeam LeadershipSprint PlanningRoadmappingCode Review
Education
Degrees, certifications, and relevant coursework
UM
University of Makati
Bachelor of Science, Computer Science
Pursued a Bachelor of Science in Computer Science with a major in Application Development, graduating in 2021.
Availability
Looking for a job
Location
PhilippinesAuthorized to work in
Website
deanvillamia.vercel.appPortfolio
deanvillamia.vercel.appSalary expectations
120k-150k PHP
Job categories
Full Stack DeveloperAPI DeveloperFull Stack EngineerBackend EngineerMobile Software DeveloperSoftware ArchitectEngineering ManagerTech Lead ManagerTechnical LeaderTechnical Engineering LeadIT Technical LeadTechnical Lead ManagerTechnical Team LeadLead TechnologistTechnical Development LeadTechnical Lead Engineer
Skills
Next.jsJavaSpring BootAWSReactNode.Js DevelopmentNestJSTypeScriptHibernateJPASpring SecurityPostgreSQLMongoDBFirestoreRedisPrismaTypeORMSQLNoSQLFlutterReact NativeSwiftAndroidOrchestrationVector SearchMakeN8nClaudeCursorGCPFirebaseDockerKubernetesCI CDREST APIsMicroservicesTest Driven DevelopmentTesting AutomationClean ArchitectureGitAgileScrumOWASPGDPRTeam LeadershipSprint PlanningRoadmappingCode ReviewMentorStakeholder CommunicationNodeJSiOSStack OverflowVercelAgentic AI
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