Simera Professional Key (SPK)

Alvaro V

Nicaragua

Specialist, Engineering

$ 4,200/month

10+ yrs exp

Full Stack Software Engineer with 10+ years of experience building scalable web and mobile applications, specializing in Node.js, TypeScript, and JavaScript, alongside C# and .NET Core. Expert in designing RESTful APIs, high-performance backend services, secure Stripe payment gateway integrations, and unified full-stack architectures with React. Extensive hands-on experience implementing comprehensive automated testing strategies across frontend and backend layers using Jest, Vitest, Cypress, Pl…

Skills

  • AWS
  • Google Ads
  • Google Apps
  • JavaScript
  • Node.js
  • React
  • Typescript
  • JavaScript ES6
  • BackEnd Developer
  • c# Developer
  • ExpressJS
  • Full Stack Developer
  • React Native
  • ReactJS
  • Responsive Design
  • HTML/CSS
  • Responsive Web Design
  • RESTful APIs
  • Performance Optimization
  • Web Performance Optimization
  • Process Optimization
  • Nuxt.js
  • Nest.js
  • Next.js
  • Express
  • Next js
  • Tanstack Query
  • press
  • Content Design
  • Express.js
  • REST APIs
  • Fullstack developer
  • Fullstack Development

Alvaro V

Nicaragua

Specialist, Engineering

$ 4,200 /month

10+ yrs exp

Challenge Interview

Full Stack Software Engineer with 10+ years of experience building scalable web and mobile applications, specializing in Node.js, TypeScript, and JavaScript, alongside C# and .NET Core. Expert in designing RESTful APIs, high-performance backend services, secure Stripe payment gateway integrations, and unified full-stack architectures with React. Extensive hands-on experience implementing comprehensive automated testing strategies across frontend and backend layers using Jest, Vitest, Cypress, Pl…

Skills

  • AWS
  • Google Ads
  • Google Apps
  • JavaScript
  • Node.js
  • React
  • Typescript
  • JavaScript ES6
  • BackEnd Developer
  • c# Developer
  • ExpressJS
  • Full Stack Developer
  • React Native
  • ReactJS
  • Responsive Design
  • HTML/CSS
  • Responsive Web Design
  • RESTful APIs
  • Performance Optimization
  • Web Performance Optimization
  • Process Optimization
  • Nuxt.js
  • Nest.js
  • Next.js
  • Express
  • Next js
  • Tanstack Query
  • press
  • Content Design
  • Express.js
  • REST APIs
  • Fullstack developer
  • Fullstack Development

Specialist, Engineering

Zilker Trial Consulting
January 2024 - December 2025

Developed web and mobile applications using React, Next.js, React Native, and TypeScript. Built frontend solutions for restaurant ordering and delivery platforms. Integrated geolocation, trip tracking, feature flags, and analytics services. Contributed to frontend architecture, code reviews, and engineering best practices. Collaborated with cross-functional Agile teams to deliver scalable products.

Fullstack developer

Builder
February 2022 - February 2024

Contributed to the development of a financial mobile application using modern frontend technologies. Built reusable UI components and translated Figma designs into production-ready interfaces. Implemented backend services with a focus on performance and reliability. Collaborated with cross-functional Agile teams to deliver iterative product enhancements.

Full Stack Developer

Dominion Global
December 2019 - December 2021

Developed a full-stack web platform with a strong focus on frontend architecture and user experience. Built reusable React components following clean architecture principles. Integrated backend services and APIs to support dynamic application workflows. Collaborated with design teams to deliver consistent and intuitive user experiences.

Full Stack Developer

Kind Humans & Freelance Projects
December 2018 - December 2019

Developed multiple web and mobile applications using modern JavaScript frameworks. Built e-commerce platforms, CMS solutions, MLM systems, and mobile applications. Integrated payment gateways including PayPal, credit/debit cards, and cryptocurrency payments. Worked in Agile/Scrum environments focused on continuous delivery and iterative improvements. Designed scalable, user-centered frontend experiences with strong UX/UI focus.

Software Developer

Datapro Inc
December 2017 - December 2018

Developed and maintained an integrated banking system. Improved core modules with a focus on reliability, performance, and financial operations. Worked across backend services and database integrations. Supported enterprise-level systems following industry standards and best practices.

Full Stack Developer

OOQIA
December 2014 - December 2017

Developed scalable web applications using .NET Core and modern frontend technologies. Built offline-first social collaboration platforms integrated with multiple social APIs. Implemented predictable state management and SEO-friendly architectures. Developed cross-platform mobile applications with a focus on UX and performance. Designed and implemented multi-tenant solutions supporting high user concurrency. Integrated payment gateways and third-party platforms.

Smart Scores

Communication
68
Role Fit
100
Adaptability
78
Problem-solving
80

Smart Skills

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