Simera Professional Key (SPK)

Jefersson M

Venezuela

Back-end Developer

$ 2,700/month

10 yrs exp

Software Engineer with over 10 years of experience in the Fintech industry, specializing in backend development and cloud infrastructure management. Proven expertise in designing and optimizing high-performance microservices architectures and scalable RESTful APIs. Strong background in Node.js, TypeScript, Laravel, and administration of SQL and NoSQL databases. Focused on building secure payment systems, improving system performance, and implementing DevOps practices (CI/CD, Docker) to enhance s…

Skills

  • Agile
  • AWS
  • Board Development
  • CI/CD
  • Docker
  • Game Development
  • Git
  • GitHub
  • Hardware Development
  • JavaScript
  • Kanban
  • Market Development
  • MongoDB
  • MySQL
  • Node.js
  • PHP
  • PostgreSQL
  • Problem Solving
  • Query Optimization
  • Redis
  • Scrum
  • Software Development
  • Typescript
  • JavaScript ES6
  • Bitbucket
  • Laravel
  • SDLC
  • Software Developer
  • Wed Development
  • Team Collaboration
  • Problem-Solving
  • Performance Optimization
  • Web Performance Optimization
  • Backend Development (Node.js with TypeScript).
  • Database Management (PostgreSQL, MySQL).
  • team development
  • Nuxt.js
  • Agile methodologies (SCRUM, Kanban)
  • Problem-Solving:
  • Agile Methodologies (Scrum, Jira)
  • Problem-solving.
  • Teamwork & Collaboration
  • Nest.js
  • Next.js
  • Next js
  • Sales Development
  • Problem - solving
  • Technical Communication
  • email communication
  • • Process optimization
  • CI/CD Pipelines
  • Technical Issue Communication
  • Microservices Architecture
  • MSQL
  • Amazon Web Services (AWS)
  • o Problem-Solving
  • Git Hub
  • Technical Leadership
  • AI-Assisted Development
  • AI Github Copilot
  • Team Collaberation
  • REST API development
  • Proble solving
  • Type Script
  • SaaS Development
  • Artificial Intelligence (AI)
  • Desarrollo en PHP (POO)

Jefersson M

Venezuela

Back-end Developer

$ 2,700 /month

10 yrs exp

Software Engineer with over 10 years of experience in the Fintech industry, specializing in backend development and cloud infrastructure management. Proven expertise in designing and optimizing high-performance microservices architectures and scalable RESTful APIs. Strong background in Node.js, TypeScript, Laravel, and administration of SQL and NoSQL databases. Focused on building secure payment systems, improving system performance, and implementing DevOps practices (CI/CD, Docker) to enhance s…

Skills

  • Agile
  • AWS
  • Board Development
  • CI/CD
  • Docker
  • Game Development
  • Git
  • GitHub
  • Hardware Development
  • JavaScript
  • Kanban
  • Market Development
  • MongoDB
  • MySQL
  • Node.js
  • PHP
  • PostgreSQL
  • Problem Solving
  • Query Optimization
  • Redis
  • Scrum
  • Software Development
  • Typescript
  • JavaScript ES6
  • Bitbucket
  • Laravel
  • SDLC
  • Software Developer
  • Wed Development
  • Team Collaboration
  • Problem-Solving
  • Performance Optimization
  • Web Performance Optimization
  • Backend Development (Node.js with TypeScript).
  • Database Management (PostgreSQL, MySQL).
  • team development
  • Nuxt.js
  • Agile methodologies (SCRUM, Kanban)
  • Problem-Solving:
  • Agile Methodologies (Scrum, Jira)
  • Problem-solving.
  • Teamwork & Collaboration
  • Nest.js
  • Next.js
  • Next js
  • Sales Development
  • Problem - solving
  • Technical Communication
  • email communication
  • • Process optimization
  • CI/CD Pipelines
  • Technical Issue Communication
  • Microservices Architecture
  • MSQL
  • Amazon Web Services (AWS)
  • o Problem-Solving
  • Git Hub
  • Technical Leadership
  • AI-Assisted Development
  • AI Github Copilot
  • Team Collaberation
  • REST API development
  • Proble solving
  • Type Script
  • SaaS Development
  • Artificial Intelligence (AI)
  • Desarrollo en PHP (POO)

Back-end Developer

GOIAR – Buenos Aires, Argentina
December 2019 - April 2026

• Designed and developed scalable REST APIs using Node.js, TypeScript, and Laravel. • Implemented microservices-based architecture, improving modularity and maintainability. • Managed Docker-based environments for consistent deployments. • Built and maintained CI/CD pipelines, improving deployment efficiency. • Optimized database performance across SQL and NoSQL systems.

Back-end Developer

GOIAR
December 2019 - April 2026

Designed and developed scalable REST APIs using Node.js, TypeScript, and Laravel. Implemented microservices-based architecture. Managed Docker-based environments. Built and maintained CI/CD pipelines. Optimized database performance across SQL and NoSQL systems.

Head of Software Development Line

INCES
August 2017 - February 2018

Led software development teams and managed the full Software Development Life Cycle (SDLC). Implemented Agile methodologies (Scrum/Kanban). Coordinated technical teams and aligned system development with business goals.

Database Administrator

Bank (R4)
May 2013 - November 2016

• Managed and optimized databases (MySQL, Oracle, Sybase, PostgreSQL). • Ensured database performance, availability, and security. • Supported critical systems and resolved production incidents.

Database Administrator

Mi Banco (R4)
May 2013 - November 2016

Managed and optimized databases (MySQL, Oracle, Sybase, PostgreSQL). Ensured database performance, availability, and security. Supported critical systems and resolved production incidents.

Smart Scores

Role Fit
95