gregory mujica

As a senior full-stack JavaScript developer with a passion for innovation and delivering high-quality code, I believe in the power of networking and collaboration within our industry.

With over 8 years of experience, I have had the privilege of working on a wide range of projects, from social network platforms for athletes and sports competitions to e-commerce and marketplace solutions. My technical skills span technologies such as NodeJS (NestJS, Express), ReactJS, TypeScript, PostgreSQL, Docker, AWS, GitLab, microservices, and more.

I have a proven track record of successfully leading the development of complex projects, and collaborating closely with cross-functional teams to deliver scalable and efficient web applications. I am constantly seeking new challenges and opportunities to expand my skill set, and I actively participate in tech communities and stay up-to-date with the latest industry trends.

Dacodes, Ciudad de Mexico (rermote) - Backend Developer

sep 2022 - may 2023

At Dacodes, I played a pivotal role as a Backend Developer in the creation of the asdeporte social network. Utilizing a robust tech stack including Node.js, NestJS, GraphQL, and Apache Kafka, I designed and implemented API architecture, enabling seamless communication through Apache Kafka. I managed GitLab for codebase and version control, and led the transition to an advanced microservices structure, adopting NestJS for microservices development. Collaboration and code optimization were key, resulting in impactful contributions to athlete engagement and sports technology.

Key Skills: nodejs (nest), typescript, postgres, docker, typeorm, graphql, apache kafka, gitlab, microservices, scrum, jira, aws, tdd, ddd, typescript.

Acid Labs, Santiago de Chile (remote) - Full-Stack Developer

oct  2021 - jun 2022

My time at Acid Labs was characterized by my role as a Full-Stack Developer in the transformative CENCOSUD Pim Marketplace project. I contributed extensively to both backend and frontend development using Node.js, NestJS, ReactJS, AWS services, Docker, GitLab, and more. My focus on microservices, integration, and user experiences resulted in the creation of systems empowering users and consortium members to efficiently manage products. The use of AWS services enhanced scalability and GitLab CI/CD pipelines ensured code quality. My engagement showcased adaptability and collaboration in a dynamic, cutting-edge environment.

Key Skills: nodejs (nest), reactjs, docker, postgres, aws, typescript (sns, sqs, s3), lamdas, gitlab (ci/cd) pipelines, kira, microservices.

Grupo Avanza ,Santiago de Chile (remote) - Backend Developer

july 2021 - oct  2021

During my tenure at Grupo Avanza, I significantly impacted the Falabella Insurance projects as a Backend Developer. I spearheaded the creation of an API tailored for bulk fee returns, streamlining the refund process and leveraging AWS services for efficiency. The integration of Lambda Functions, CI/CD pipelines, and technologies like Terraform and Docker facilitated seamless project execution. Cross-functional collaboration, database management, and infrastructure configuration were key aspects, leading to successful project deliveries and enriched expertise.

Key Skills:  nodejs (express - koa), typescript, postgres, docker, mongodb, microservices, git, jest, jira.

Soaint , Lima - Peru (remote) - Backend Developer

sep 2020 - mar 2021

At Soaint, my role as a Full-Stack Developer encompassed impactful contributions to both backend and frontend development. I designed APIs for bulk fee returns, ensuring seamless project management through Scrum, JIRA, GitLab, and CI/CD pipelines. My proficiency in Node.js, NestJS, ReactJS, and AWS services enhanced backend and frontend solutions, optimizing user experiences. My engagement showcased versatility, collaboration, and innovation across projects.

Key Skills: reactjs (hooks), redux, styled components, azure, git, react google recaptcha v3, browserstack, nodejs, sql server, codescan.

Evol, Lima - Peru (hybrid) - Frontend Developer  

dec  2019 - july 2020

At Evol, I excelled as a Frontend Developer, delivering user-centric front-end applications using React.js and Material UI. I provided essential backend support for the ODC project, streamlining credit card origination. My versatility extended to backend support and involvement in the quotation application. My proficiency in React.js, Redux, .Net Core, and AWS services resulted in engaging interfaces, streamlined development, and improved user experiences.

Key Skills: reactjs, redux, axios, materialui, git, azure devops, sonarqube, gitlab, sql server, .core(crud), nodejs (express)

IT Secure ,Lima - Peru (on site) - Functional alalyst - QA

april 2019 - sep  2019

My role at IT Secure involved meticulous preparation of functional analyses, fostering efficient application evolution across organizations. By employing tools like Lucidchart and Figma, I communicated complex ideas effectively. Embracing Agile Scrum, I adapted to distinct contexts, optimizing digital landscapes and ensuring peak performance of applications.

Key Skills: lucidchart, figma, scrum, sql server.

Aviant Travel, Porlamar - Venezuela (on site) - Frontend Developer  

July  2018- Dec 2019

As a Frontend Developer at Aviant Travel, I crafted engaging user experiences using React.js and Material UI. I provided crucial backend support for the credit card origination project, ensuring seamless workflow. My contribution extended to designing the company website, showcasing proficiency in HTML, CSS, Redux, and Git. My engagements enriched digital presence and user interactions.

Key Skills: reactjs, redux, git, materialui.

Grupo Red M, Porlamar - Venezuela (on site) - Full-Stack developer

august 2017- feb 2018

  At Grupo Red M, I showcased Full-Stack Developer expertise by leading the development of CRM brainy app modules. I created responsive interfaces, managed PostgreSQL databases, and used Apache for deployment. My involvement highlighted adaptability, technological proficiency, and contribution to streamlined operations.

Key Skills: php, bootstrap 3, javascript

Spartan Tech´s, Porlamar - Venezuela (on site) - Full-Stack developer

Dec 2014- dec 2016

In my role as a Full-Stack Developer at Spartan Tech´s, I demonstrated leadership by spearheading the POS project, utilizing Yii2 and Enyo for PHP and JavaScript development. I integrated ERP systems, optimized databases, and adhered to MVC pattern for structured code. My versatility spanned from responsive interfaces to efficient databases, reflecting my commitment to impactful development practices.

Key Skills: php (yii2), enyo, java, nginx, apache tomcat, postgres, css, mvc, jquery, ajax.

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