Software EngineerSenior Software Engineer

Alex Benavídez.

Building scalable, reliable, and performant systems that solve real-world problems.

PROJECTS GET IN TOUCH

Experience

10+

YEARS

Projects

25+

DELIVERED

Integrations

100+

ENTERPRISE INTEGRATIONS

Platforms

PAYMENTS • MOBILE • WEB

About

Engineering reliable systems with product impact.

Software engineer with 10+ years of experience building enterprise-grade systems, fintech platforms, payment gateways, and secure mobile applications.

Fintech

Enterprise Systems

Payment Platforms

System Integrations

Skills

Technologies I use to build secure and scalable systems.

Backend Development

Building scalable APIs, enterprise integrations, and transactional systems.

.NET CoreNode.jsNestJSJavaSpring BootREST APISOAP+3

.NET CoreNode.jsNestJSJavaSpring BootREST APISOAPJWTOAuth2Oracle Service Bus

Frontend Development

Creating modern web applications with scalable UI architecture.

ReactNext.jsTypeScriptTailwind CSSRedux ToolkitZustand+2

ReactNext.jsTypeScriptTailwind CSSRedux ToolkitZustandMaterial UIShadcn/UI

Mobile Development

Developing secure Android applications with modern native architecture.

KotlinJetpack ComposeHiltCoroutinesFlowRoom+2

KotlinJetpack ComposeHiltCoroutinesFlowRoomDataStoreRetrofit

Database & Data

Designing and optimizing relational databases and enterprise data flows.

OraclePL/SQLPostgreSQLSQL ServerMySQL+1

OraclePL/SQLPostgreSQLSQL ServerMySQLOracle APEX

Cloud & DevOps

Working with modern development workflows and CI/CD pipelines.

GitGitHub ActionsAzure DevOpsDocker+1

GitGitHub ActionsAzure DevOpsDockerSonarQube

Tools & AI

AI-assisted development and testing tools to improve productivity, code quality, and delivery speed.

JestMSTestReact Testing Library+2

JestMSTestReact Testing LibraryCursorGitHub Copilot

Experience

A decade building enterprise systems.

Senior Systems Analyst & Developer

Banpro Grupo PromericaManagua, Nicaragua

2020 — Current

Designing and maintaining enterprise banking systems, integrations, payment solutions, and secure transactional platforms in the financial sector.

Built and maintained enterprise REST and SOAP integrations using Oracle Service Bus (OSB).
Developed internal banking applications using React, .NET Core, and Oracle APEX.
Implemented payment gateway integrations with Cybersource and Visa.
Designed and optimized PL/SQL procedures, packages, and high-volume transactional processes.

OraclePL/SQLOracle Service Bus.NET CoreReactAndroidKotlin

Software Developer

Instituto Nicaragüense de Turismo (INTUR)Managua, Nicaragua

2017 — 2020

Developed and maintained tourism management systems and internal workflow automation solutions.

Built enterprise modules using Spring Framework, Hibernate, and JSF.
Developed backend business logic and database integrations.
Improved internal workflows and reporting systems.
Participated in full software development lifecycle from analysis to deployment.

JavaSpringHibernateJSFPrimeFacesPostgreSQLREST API

Junior Programmer

Central American FisheriesManagua, Nicaragua

2016 — 2017

Customized ERP modules and automated accounting and operational business processes.

Administered Adempiere ERP on Debian Linux servers.
Developed and maintained Java-based modules and reports using iReport.
Oversaw PostgreSQL database backups and performance tuning.
Provided support and training to internal users.

JavaPostgreSQLAdempiere ERPLinux

Projects

Projects built to solve real-world problems.

A collection of projects showcasing technical depth, architectural decisions, and measurable impact across product and infrastructure initiatives.

CompletedPrivate

Payment Gateway Platform

Enterprise multi-tenant payment gateway integrated with Cybersource for secure transaction orchestration.

Role

Senior Full Stack Engineer

Challenge solved

Designed tenant isolation within a monolithic architecture while preserving scalability.

Tech stack

C#.NET 8.NET 9ASP.NET Core MVCRazor Views+6

View Project

CompletedPrivate

Enterprise Integration Platform

Enterprise service orchestration platform built with Oracle Service Bus for banking integrations with government institutions, remittance providers, and external financial services.

Role

Senior Systems Analyst & Integration Developer

Challenge solved

Handled complex XML/JSON transformations between heterogeneous systems.

Tech stack

Oracle Service BusOracle WebLogicSOAPREST APIsXQuery+5

View Project

In ProgressPrivate

Agent Banking Platform

Native Android platform deployed on PAX smart POS devices to enable distributed banking services across commercial agents nationwide.

Role

Senior Android Engineer

Challenge solved

Designing a scalable mobile architecture capable of supporting multiple banking agreements.

Tech stack

KotlinJetpack ComposeMVVMClean ArchitectureHilt+7

View Project

In Progress

Multi-Tenant E-commerce Platform

Multi-tenant e-commerce platform currently being built to help businesses launch branded online stores with custom domains, payments, and merchant administration.

Role

Full Stack Engineer

Challenge solved

Designing tenant isolation across storefronts, admin panels, and payment configurations.

Tech stack

Next.jsReactTypeScriptTailwind CSSshadcn/ui+6

View Project

Contact

Let's build something impactful

I'm open to collaborating on scalable backend systems, enterprise integrations, mobile solutions, and modern web products.

GitHub

View my projects

Connect professionally

samuelxlm0@gmail.com

Quick chat

Software EngineerSenior Software Engineer

Alex Benavídez.

Building scalable, reliable, and performant systems that solve real-world problems.

PROJECTS GET IN TOUCH

Experience

10+

YEARS

Projects

25+

DELIVERED

Integrations

100+

ENTERPRISE INTEGRATIONS

Platforms

PAYMENTS • MOBILE • WEB

About

Engineering reliable systems with product impact.

Software engineer with 10+ years of experience building enterprise-grade systems, fintech platforms, payment gateways, and secure mobile applications.

Fintech

Enterprise Systems

Payment Platforms

System Integrations

Skills

Technologies I use to build secure and scalable systems.

Backend Development

Building scalable APIs, enterprise integrations, and transactional systems.

.NET CoreNode.jsNestJSJavaSpring BootREST APISOAP+3

.NET CoreNode.jsNestJSJavaSpring BootREST APISOAPJWTOAuth2Oracle Service Bus

Frontend Development

Creating modern web applications with scalable UI architecture.

ReactNext.jsTypeScriptTailwind CSSRedux ToolkitZustand+2

ReactNext.jsTypeScriptTailwind CSSRedux ToolkitZustandMaterial UIShadcn/UI

Mobile Development

Developing secure Android applications with modern native architecture.

KotlinJetpack ComposeHiltCoroutinesFlowRoom+2

KotlinJetpack ComposeHiltCoroutinesFlowRoomDataStoreRetrofit

Database & Data

Designing and optimizing relational databases and enterprise data flows.

OraclePL/SQLPostgreSQLSQL ServerMySQL+1

OraclePL/SQLPostgreSQLSQL ServerMySQLOracle APEX

Cloud & DevOps

Working with modern development workflows and CI/CD pipelines.

GitGitHub ActionsAzure DevOpsDocker+1

GitGitHub ActionsAzure DevOpsDockerSonarQube

Tools & AI

AI-assisted development and testing tools to improve productivity, code quality, and delivery speed.

JestMSTestReact Testing Library+2

JestMSTestReact Testing LibraryCursorGitHub Copilot

Experience

A decade building enterprise systems.

Senior Systems Analyst & Developer

Banpro Grupo PromericaManagua, Nicaragua

2020 — Current

Designing and maintaining enterprise banking systems, integrations, payment solutions, and secure transactional platforms in the financial sector.

Built and maintained enterprise REST and SOAP integrations using Oracle Service Bus (OSB).
Developed internal banking applications using React, .NET Core, and Oracle APEX.
Implemented payment gateway integrations with Cybersource and Visa.
Designed and optimized PL/SQL procedures, packages, and high-volume transactional processes.

OraclePL/SQLOracle Service Bus.NET CoreReactAndroidKotlin

Software Developer

Instituto Nicaragüense de Turismo (INTUR)Managua, Nicaragua

2017 — 2020

Developed and maintained tourism management systems and internal workflow automation solutions.

Built enterprise modules using Spring Framework, Hibernate, and JSF.
Developed backend business logic and database integrations.
Improved internal workflows and reporting systems.
Participated in full software development lifecycle from analysis to deployment.

JavaSpringHibernateJSFPrimeFacesPostgreSQLREST API

Junior Programmer

Central American FisheriesManagua, Nicaragua

2016 — 2017

Customized ERP modules and automated accounting and operational business processes.

Administered Adempiere ERP on Debian Linux servers.
Developed and maintained Java-based modules and reports using iReport.
Oversaw PostgreSQL database backups and performance tuning.
Provided support and training to internal users.

JavaPostgreSQLAdempiere ERPLinux

Projects

Projects built to solve real-world problems.

A collection of projects showcasing technical depth, architectural decisions, and measurable impact across product and infrastructure initiatives.

CompletedPrivate

Payment Gateway Platform

Enterprise multi-tenant payment gateway integrated with Cybersource for secure transaction orchestration.

Role

Senior Full Stack Engineer

Challenge solved

Designed tenant isolation within a monolithic architecture while preserving scalability.

Tech stack

C#.NET 8.NET 9ASP.NET Core MVCRazor Views+6

View Project

CompletedPrivate

Enterprise Integration Platform

Enterprise service orchestration platform built with Oracle Service Bus for banking integrations with government institutions, remittance providers, and external financial services.

Role

Senior Systems Analyst & Integration Developer

Challenge solved

Handled complex XML/JSON transformations between heterogeneous systems.

Tech stack

Oracle Service BusOracle WebLogicSOAPREST APIsXQuery+5

View Project

In ProgressPrivate

Agent Banking Platform

Native Android platform deployed on PAX smart POS devices to enable distributed banking services across commercial agents nationwide.

Role

Senior Android Engineer

Challenge solved

Designing a scalable mobile architecture capable of supporting multiple banking agreements.

Tech stack

KotlinJetpack ComposeMVVMClean ArchitectureHilt+7

View Project

In Progress

Multi-Tenant E-commerce Platform

Multi-tenant e-commerce platform currently being built to help businesses launch branded online stores with custom domains, payments, and merchant administration.

Role

Full Stack Engineer

Challenge solved

Designing tenant isolation across storefronts, admin panels, and payment configurations.

Tech stack

Next.jsReactTypeScriptTailwind CSSshadcn/ui+6

View Project

Contact

Let's build something impactful

I'm open to collaborating on scalable backend systems, enterprise integrations, mobile solutions, and modern web products.

GitHub

View my projects

Connect professionally

samuelxlm0@gmail.com

Quick chat