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Samson Belario

Samson Belario

Fullstack Engineer & Cyber Security Specialist

Abuja155000 NGN/hourMember since April 27, 2026
Next.jsReactNode.jsExpressTypeScriptTailwind CSSPythonGoC#RESTful APIsGraphQL APIsLLM IntegrationOpenAILangChainPrompt EngineeringVector DatabasesRetrieval-Augmented Generation (RAG)PostgreSQLMongoDBMySQLRedisRed Team ToolingPentestingOWASP Top 10Shufti Pro KYC IntegrationWeb Security AuditingRailwayDockerGit/GitHubLinuxKali LinuxUbuntuCI/CD
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About

Highly disciplined Fullstack Web Developer with over 5 years of experience and a unique background in Military Intelligence. Specialized in building secure, 'human-first' applications using Next.js, Node.js, and Python. Expert in integrating AI/ML models, AI (OpenAI), Fintech security (Shufti Pro KYC), and developing custom Red Team tools. Proven track record as an independent contractor, delivering end-to-end products that balance high-level security with seamless user experiences.

Experience

Fullstack Developer & Security Consultant at Self-Employed (2020-01 – Present)

Independent contractor architecting end-to-end web products for private clients with focus on security and performance.

  • Architected end-to-end web products for private clients, managing the full lifecycle from system design to secure deployment.
  • Engineered security-first backends, implementing complex authentication (JWT/OAuth) and identity verification (Shufti Pro) to protect user assets.
  • Architected and optimized relational databases using PostgreSQL, implementing indexing and query optimization to handle high-concurrency client data.
  • Engineered AI-driven features by integrating OpenAI APIs and local ML models to automate user workflows and support systems.
  • Developed proprietary security tools in Go and Python for vulnerability scanning and automated network reconnaissance.
  • Optimized application performance, consistently improving SEO and load speeds through modern SSR/ISR techniques in Next.js.
  • Maintained a 'Human-First' design philosophy, ensuring technical complexity never compromised user accessibility.

Education

B.Sc. in Military Intelligence – ISCOM University (2021-06)

Skills

Fullstack Engineer & Cyber Security Specialist

Reviews

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