Simera Professional Key (SPK)

Hernan V

Colombia

Full Stack TypeScript Developer

$ 2,500/month

2 yrs exp

I'm a Backend & Full Stack Developer focused on building software that solves real business problems. My experience includes developing REST APIs, SaaS platforms, ERP systems, mobile applications, and business-oriented solutions using technologies such as Java, Spring Boot, Node.js, TypeScript, React, PostgreSQL, and MongoDB. What motivates me most is understanding how businesses operate, identifying inefficiencies, and transforming complex requirements into reliable, scalable, and maintainabl…

Skills

  • AWS
  • Docker
  • Git
  • GitHub
  • Hibernate
  • Java
  • MongoDB
  • Node.js
  • PostgreSQL
  • React
  • Scrum
  • Typescript
  • API Integration
  • BackEnd Developer
  • c# Developer
  • ExpressJS
  • Firebase
  • Full Stack
  • Full Stack Developer
  • Maven
  • NestJS
  • NextJS
  • React Native
  • ReactJS
  • Software Engineer
  • Springboot
  • RESTful APIs
  • Jpa
  • Google Cloud Platform (GCP)
  • Backend Development (Node.js with TypeScript).
  • Database Management (PostgreSQL, MySQL).
  • Fullstack
  • - API Integration: RESTful APIs, SOAP, JSON
  • Integration
  • Java.
  • Express
  • press
  • Git & GitHub
  • Spring boot
  • Java 17
  • AI and frontend using HTML,CSS,JS,react.js
  • Express.js
  • REST APIs
  • Full Stach
  • Fullstack developer
  • Software Engineering
  • IA API Integration
  • Git Hub
  • AI Integration
  • Java / Spring Boot / WebFlux
  • Microservices & Docker
  • React / Angular
  • REST API Integrations
  • Fullstack Development
  • Diseño y consumo de APIs REST
  • Full Stack Development
  • Type Script
  • Agile/Scrum, Solid Principles, Object Oriented Programming, Reactive Programming
  • Waldo, JUnit, Mockito, Espresso, Robolectric
  • Full-Stack Development
  • Typescrtipt

Hernan V

Colombia

Full Stack TypeScript Developer

$ 2,500 /month

Part Time: $ 2,250/month

2 yrs exp

I'm a Backend & Full Stack Developer focused on building software that solves real business problems. My experience includes developing REST APIs, SaaS platforms, ERP systems, mobile applications, and business-oriented solutions using technologies such as Java, Spring Boot, Node.js, TypeScript, React, PostgreSQL, and MongoDB. What motivates me most is understanding how businesses operate, identifying inefficiencies, and transforming complex requirements into reliable, scalable, and maintainabl…

Skills

  • AWS
  • Docker
  • Git
  • GitHub
  • Hibernate
  • Java
  • MongoDB
  • Node.js
  • PostgreSQL
  • React
  • Scrum
  • Typescript
  • API Integration
  • BackEnd Developer
  • c# Developer
  • ExpressJS
  • Firebase
  • Full Stack
  • Full Stack Developer
  • Maven
  • NestJS
  • NextJS
  • React Native
  • ReactJS
  • Software Engineer
  • Springboot
  • RESTful APIs
  • Jpa
  • Google Cloud Platform (GCP)
  • Backend Development (Node.js with TypeScript).
  • Database Management (PostgreSQL, MySQL).
  • Fullstack
  • - API Integration: RESTful APIs, SOAP, JSON
  • Integration
  • Java.
  • Express
  • press
  • Git & GitHub
  • Spring boot
  • Java 17
  • AI and frontend using HTML,CSS,JS,react.js
  • Express.js
  • REST APIs
  • Full Stach
  • Fullstack developer
  • Software Engineering
  • IA API Integration
  • Git Hub
  • AI Integration
  • Java / Spring Boot / WebFlux
  • Microservices & Docker
  • React / Angular
  • REST API Integrations
  • Fullstack Development
  • Diseño y consumo de APIs REST
  • Full Stack Development
  • Type Script
  • Agile/Scrum, Solid Principles, Object Oriented Programming, Reactive Programming
  • Waldo, JUnit, Mockito, Espresso, Robolectric
  • Full-Stack Development
  • Typescrtipt

Full Stack TypeScript Developer

BlackBirdLabs
March 2025 - November 2025

• Developed web and mobile applications using React, React Native, and TypeScript. • Built and maintained RESTful APIs using Node.js, Express, and NestJS. • Designed and managed relational and NoSQL databases, including PostgreSQL, MySQL, MongoDB, and Firebase. • Collaborated in Agile development teams using Scrum, Git, and GitHub workflows. • Contributed to real-world software projects, participating in requirements analysis, implementation, testing, and continuous improvement processes.

Backend / Full Stack Developer

BlackBird Labs
March 2025 - November 2025

Developed and maintained web and mobile applications using React, React Native, and TypeScript. Designed and implemented RESTful APIs using Node.js, Express, and NestJS. Implemented secure authentication using JWT, bcrypt, and role-based access control. Managed PostgreSQL databases and collaborated in Agile teams.

Process and System Analyst

Multidespensas SAS
January 2024 - December 2024

• Analyzed and optimized internal business processes, identifying opportunities for automation and operational improvement. • Gathered and translated business requirements from stakeholders across multiple departments into software solutions. • Designed and implemented an internal ERP system to centralize operational workflows and improve process visibility. • Developed backend services and REST APIs using NestJS and TypeScript to support business-critical operations. • Built frontend interfaces using React, TypeScript, and PrimeReact for internal users. • Designed, managed, and optimized PostgreSQL databases to support application performance and data integrity. • Automated internal processes and improved operational traceability through custom software solutions.

Process and Systems Analyst

Multidespensas SAS
January 2024 - December 2024

Designed and implemented an internal ERP system for inventory and sales. Developed backend services and REST APIs using NestJS and TypeScript. Built frontend interfaces using React and PrimeReact.

BI Analyst

TelSolution SAS
June 2023 - January 2024

• Developed interactive Power BI dashboards to monitor commercial performance and business KPIs. • Automated data processing workflows using Python and Pandas, reducing manual reporting efforts. • Migrated, structured, and managed business data from Excel into PostgreSQL databases. • Implemented customer segmentation models based on purchasing behavior to support commercial decision-making. • Generated analytical reports and sales projections to support strategic planning. • Improved data visibility and reporting processes, enabling more informed business decisions

Smart Scores

Communication
70
Role Fit
90
Adaptability
80
Problem-solving
90

Smart Skills

beta