Diego

Latin Americas
Colombia

$65

English
About me

As a Lead Engineer with over a decade of experience, I specialize in JavaScript technologies, including Node.js, React, Angular, and TypeScript. I have experience leading high-performing teams to deliver scalable, high-quality software solutions. My expertise spans front-end, back-end, and DevOps, focusing on mentorship and innovation.At HeroDevs, I spearheaded a gradual migration from AngularJS to Angular, ensuring a seamless user experience without downtime. This transition resulted in a 25% reduction in time-to-market and garnered the "Top Performance Project" award. My leadership and strategic planning were key in managing a team of four engineers, where I balanced business needs with technical strategies to meet seasonal deadlines.At Team International, I developed and launched important features using React, Python, Node, AWS, and PostgreSQL, boosting the company's main revenue-generating product. I also worked on integrating third-party services like DocuSign and Salesforce, creating effective solutions for challenging problems, reducing development time by 50%, and enhancing department teamwork.I also created and maintain the OSS project ngx-deploy-npm, simplifying NPM package publication and having over 330K monthly downloads. Angular's official documentation featured this project, and it is one of the most popular community Nx plugins.Skills:JavaScript (Node.js, React, Angular, TypeScript)Python, AWS, DevOps, CI/CDTDD, PostgreSQL, SQL, NoSQL, GraphQL, RestAPIDataDog, Sentry, Nx, NPMI always seek to connect with passion-driven professionals. Feel free to contact me at dianjuar@gmail.com or connect with me on LinkedIn. Top skills Team Leadership • JavaScript • TypeScript • Architecture • Software Systems Engineering

Skills
Skill React.JS React.JS
80.0%
(6yrs)
Skill Node.JS Node.JS
100.0%
(8yrs)
Skill Typescript Typescript
100.0%
(8yrs)
Skill PostgreSQL PostgreSQL
70.0%
(10yrs)
Skill AWS AWS
60.0%
(3yrs)
Skill MongoDB MongoDB
60.0%
(4yrs)
Skill graphQL graphQL
70.0%
(3yrs)
Skill Python Python
70.0%
(3yrs)
Skill Angular JS Angular JS
80.0%
(8yrs)
DevOps
70.0%
(3yrs)
Experience
n
Core Maintainer | Backend Engineer (NodeJs) | ngx-deploy-npm · Self-employed
Aug 2019 - Present

- Engineered a streamlined NPM package publishing solution for monorepos, earning the trust of over 600 OSS projects.

- Implemented wide set of testing techniques using Jest, such as TDD, e2e, integration, and cross-platform testing, ensuring the stability and reliability of the tool for the users

- Collaborated with @jscutlery/semver team to streamline versioning and CHANGELOG generation processes, driving innovation in versioning and releases in the monorepo ecosystem, resulting in a 70% increase in release efficiency.

- Managed a large user base, and developed expertise in maintenance practices

Lead Engineer | HeroDevs · Full-time
Dec 2021 - Oct 2023

- Led the architectural design and implementation of a hybrid framework solution, allowing both AngularJS and Angular to coexist within the same code base, ensuring a phased migration with zero downtime and user experience continuity.

- Managed a team of 4 engineers in a fast-paced client-facing environment, overseeing project execution from inception to completion with minimal supervision, resulting in meeting all seasonal deadlines with 100% client satisfaction.

- Engineered a solution to streamline communication between frameworks using Redux and the facade pattern, enhancing productivity, reducing complexity, and minimizing migration and onboarding time by 20%.

- Coordinated weekly meetings with product, design, and engineering teams to streamline project requirements and allocate tasks effectively, resulting in a 60% development efficiency.

- Developed and maintained a comprehensive component library using Storybook to streamline the frontend development process, resulting in a 30% reduction in time spent on UI development tasks.

- Coached team to improve seniority, rectify bad practices, and cultivate self-awareness, optimizing decision-making and meeting deadlines, resulting in enhanced team productivity and improved code quality, reducing code reviews by 15%

- Achieved "Top Performance Project", showcasing the efficacy of leadership strategies and driving substantial operational improvements

Full Stack Engineer | TEAM International · Full-time
Dec 2019 - Nov 2021

- Engineered and deployed innovative features using React, Node.js, AWS, and GraphQL in a micro-service ecosystem to automate a complex loan process, resulting in a 40% decrease in processing time, driving the company’s most significant revenue product.

- Contributed to multiple architecture decisions and proposals to scale the web application, resulting in migrating the entire backend system to a newer technology, reducing costs and complexity.

- Engineered a custom tool to automate repetitive tasks related to complex database migrations, saving the team an average of 10 hours per week and improving overall productivity by 80%.

- Collaborated with cross-functional teams to develop System Design Documents that clearly outlined project requirements and timelines, leading to a better expectation setting and increase project efficiency.

- Implemented a successful migration of all infrastructure for one microservice to Terraform, streamlining processes and reducing manual efforts by 75%.

- Conducted interviews for mid, senior, and lead positions, demonstrating a discerning eye for talent aligned with the organization's culture and essential soft skills, with an effective rate of 70%.

- Mentored for continuous improvement of team members, guiding them in enhancing their seniority, addressing recurring bad practices, fostering self-awareness, improving decision-making, and optimizing their work.

Technical Lead | Yuxi Global · Full-time
Sep 2019 - Dec 2019

- Developed and implemented an innovative locker system for a supply chain company using Angular, NodeJs, and blockchain database.

- Developed and implemented a mentorship program for junior/min developers, resulting in a 30% increase in their technical skills proficiency.

Sr Frontend Developer | Domicilios.com · Full-time
Feb 2018 - Sep 2019

- Collaborated with cross-functional teams to develop a custom Angular component library seamlessly into the existing Restaurant Portal, resulting in a 40% increase in development efficiency.

- Spearheaded the integration of SonarQube into the CI/CD pipeline, enabling automated code quality checks, security vulnerability identification, and testing results for all PRs, resulting in a 40% increase in overall code quality.

- Implemented interactive user interface enhancements to streamline key workflows, resulting in a 15% decrease in user errors and a 15% increase in user satisfaction ratings.

- Performed in-depth web app accessibility analysis, identifying key areas for improvement and developing a comprehensive improvement plan, resulting in a 40% increase in overall site usability.

- Engineered a custom web solution to seamlessly transition a legacy application to read-only mode during acquisition, resulting in a smooth migration process for the acquiring company.

Full Stack Engineer | Kangoo - On Demand Courier Service
Jul 2017 - Jan 2018

- Developed an interactive web dashboard to expand mobile app functionality, enabling customers and business owners to perform transactions seamlessly and increasing user engagement.

- Developed and deployed a Progressive Web App (PWA) to provide customers with a lightweight mobile app option.

- Utilized Docker to create a standardized and scalable environment for all developers, reducing onboarding time for new team members by 40%.

- Developed and launched a customized WordPress WooCommerce Plugin to seamlessly integrate Kangoo services into e-commerce stores, resulting in 10 new business-to-business connections in 6 months.

F
WordPress Plugin Developer | Freelance
Mar 2015 - Jan 2017

- Developed innovative WordPress websites for unique marketplaces, including a pet adoption platform and a teacher-student connection marketplace, using WordPress beyond typical “blog” use cases.

- Developed custom WordPress and Woocommerse plugins for more than ten clients, utilizing PHP coding skills to increase website functionality and user experience.

- Developed and integrated custom WordPress plugins to enhance the user experience of WooCommerse customers.

O
Content Generator - Basic HTML Course | Oja.la
Nov 2013 - Feb 2014

- Created a 10-hour HTML5 course in which I explained all the fundamentals of this markup language.

This course was the most requested on the platform.