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Alex Samuel

@alexsamuelbz

Senior Full-Stack Engineer building APIs, integrations, and scalable systems with Node.js, TypeScript, React, and PostgreSQL.

Nicaragua

Message

What I'm looking for

I'm looking to build AI-enabled and business-critical products where I can own end-to-end delivery, solve complex integration and architecture challenges, and collaborate across product and engineering teams.

Senior Full-Stack Software Engineer with 10+ years of experience designing, developing, and supporting scalable web applications, backend services, RESTful APIs, enterprise integrations, and business-critical production systems, with a strong backend focus. Experienced with Node.js, TypeScript, React, PostgreSQL, Oracle, SQL Server, .NET, Java, and Python, working in high-volume transactional environments where reliability, performance, security, and maintainability are critical. Strong background in system design, API development, database optimization, production troubleshooting, and enterprise integrations. Experienced collaborating with cross-functional teams throughout the full software development lifecycle, taking ownership of complex technical initiatives and contributing to architecture decisions, code reviews, and continuous improvement.

Experience

Work history, roles, and key accomplishments

Senior Systems Analyst & Developer

BANPRO (Bank of Production)

Mar 2020 - Aug 2026 (6 years 5 months)

Designed and developed full-stack enterprise applications, backend services, RESTful APIs, SOAP services, and integration solutions supporting high-volume transactional banking systems. Led technical analysis and solution design with a focus on scalability, reliability, performance, security, and maintainability. Built integrations across web, mobile, internal platforms and third-party providers.

TypeScript React Next.js REST APIs SQL Server Pl SQL Kotlin Jetpack Compose Android CI CD Docker Azure Oracle Database Java .NET C#ASP.NET Blazor Razor Pages Apex Development RESTful API Design SOAP APIs XML JSON

Software Developer

Nicaraguan Tourism Board (INTUR)

Feb 2017 - Mar 2020 (3 years 1 month)

Developed backend services, application features, and business logic using Java, Spring Framework, and PostgreSQL for the national Tourism Information System. Designed and implemented database-driven functionality for internal, external, and public-facing applications. Developed and optimized SQL queries. Participated in requirements analysis, technical design, development