Senior Fullstack Engineer
Wavemaker Labs ~ Los Angeles, California, USA | Feb 2022 - PRESENT
Worked with fleet of robots web application management.
Jim Well Balatero
Software Engineer
hello@jimbalatero.comPhilippines
✔ More than 7 years of experience in web development focused on creating scaleable, performant, and secure web applications.
✔ I've worked with companies from Sweden, USA, Malaysia, Indonesia, Singapore, Australia, Germany, UAE, Denmark & Philippines.
✔ I've successfully developed and deployed multiple web apps and services online into production environment.
✔ I've managed multiple developers remotely for more than 4 years.
✔✔ Experienced dropping all database table in production thinking it was the test server.
✔✔ Experienced removing all user uploaded files resulting to client needs to re-upload the files manually.
✔✔ Experienced shutting down a live EC2 instance thinking it was the test instance.
Experiences
PHP Web Developer
TravelFreely.net ~ Colorado, USA | March 2020 - Feb 2022
✔ Worked with Vagrant, Codeigniter, VestaCP, and MySQL
✔ Worked with ActiveCampaign and MailGun
✔ Proper error handling implementation
✔ Improved website performance by using the best practices
✔ Worked with Google Tag Manager, Google Analytics, ActiveCampaign Site Tracking
✔ Worked Email Automation using MailGun and ActiveCampaign
✔ Worked with ActiveCampaign and MailGun
✔ Proper error handling implementation
✔ Improved website performance by using the best practices
✔ Worked with Google Tag Manager, Google Analytics, ActiveCampaign Site Tracking
✔ Worked Email Automation using MailGun and ActiveCampaign
Full-Stack Web Developer
Platformizer ~ Herning, Denmark | July 2021 - PRESENT
Developed and maintain web app features of a school survey system using Symfony & ReactJS.
Backend Web Developer
MIIT ~ Brisbane, Australia | May 2020 - PRESENT
Developed and maintain backend API features of a social media web app using CakePHP.
From Upwork - "Jim has been a long term hire for us and will continue to be. The only reason the contract was ended was because we upgraded him to a new one. Cannot recommend highly enough."
"Jim is possibly the best contractor we have worked with on Upwork. His skills and standard of work are high and he is extremely easy to work with.
We have worked with him over a long period so far and will continue to do so going forward. Highly recommended."
From Upwork - "Jim has been a long term hire for us and will continue to be. The only reason the contract was ended was because we upgraded him to a new one. Cannot recommend highly enough."
"Jim is possibly the best contractor we have worked with on Upwork. His skills and standard of work are high and he is extremely easy to work with.
We have worked with him over a long period so far and will continue to do so going forward. Highly recommended."
Senior Web Developer
ZenepalHR (Kensington Insurtech Limited) ~ Dubai, United Arab Emirates | May 2020 - PRESENT
Developed and maintain features of a HR management system using Laravel.
From Upwork - "I work on a very complex project with Jim and our clients have sometimes quite demanding and urgent requirements - he is very helpful, we communicate on slack and he also is always recording his phone working hours! I will continue to use Jim and happy to let other people know how great he is.."
From Upwork - "I work on a very complex project with Jim and our clients have sometimes quite demanding and urgent requirements - he is very helpful, we communicate on slack and he also is always recording his phone working hours! I will continue to use Jim and happy to let other people know how great he is.."
Head Of Development/Solutions Architect
OptiDig.com ~ Sweden | Feb 2016 - June 2020
✔ Developed an architecture to increase the throughput of sending millions of emails per hour. Using Golang, RabbitMQ, PowerMTA, producer-consumer strategy, I was able to reach 10M/hr from the client's requirement which is 5M/hr.
✔ Rewrote a PHP console app for importing multiple CSV files with millions of rows into MySQL database using Golang and saw an increase in throughput. I was able to leverage Golang's concurrency model and MySQL concurrency and it's multi-threading to maximize the server's performance.
✔ Developed and managed more than 40 plugins and applications for Mailwizz, an email marketing application, and managed more than 5 developers remotely.
✔ Developed Shopify app using ReactJS and Laravel that integrates with an Email Marketing app.
✔ Developed monitoring web app using Laravel that alerts me via Slack and Email if a Cronjob, Hostname, or a Service in a Linux server, is not running as expected.
✔ Developed payment gateway integration using Stripe and Mangopay.
✔ Developed SMS gateway integration using 1s2u, Clickatell, and Easysendsms, Alibaba, AWS SNS, Interactive Digital Media, others)
✔ Developed integration of GitLab and Trello for managing project issues.
✔ Implemented email authentication using DKIM, SPF, and DMARC to
✔ Experienced in test automation frameworks such as Codeception for implementing Acceptance, API, Functional, and Unit Tests.increase the inbox delivery rate.
✔ Experienced in software architectural patterns such as Clean Architecture, CQRS, DDD (Domain-driven design), MVC, Multitier architecture.
✔ Implemented Serverless architecture using AWS Lambda, S3, API Gateway, DynamoDB, CloudFront, SQS, SNS, and CloudWatch for an Email and SMS Marketing app.
✔ Developed web applications that are PHP standard(PSRs) compliant.
✔ Implemented a GraphQL API in PHP using Doctrine entity objects as a replacement for the legacy PHP API.
✔ Rewrote a PHP console app for importing multiple CSV files with millions of rows into MySQL database using Golang and saw an increase in throughput. I was able to leverage Golang's concurrency model and MySQL concurrency and it's multi-threading to maximize the server's performance.
✔ Developed and managed more than 40 plugins and applications for Mailwizz, an email marketing application, and managed more than 5 developers remotely.
✔ Developed Shopify app using ReactJS and Laravel that integrates with an Email Marketing app.
✔ Developed monitoring web app using Laravel that alerts me via Slack and Email if a Cronjob, Hostname, or a Service in a Linux server, is not running as expected.
✔ Developed payment gateway integration using Stripe and Mangopay.
✔ Developed SMS gateway integration using 1s2u, Clickatell, and Easysendsms, Alibaba, AWS SNS, Interactive Digital Media, others)
✔ Developed integration of GitLab and Trello for managing project issues.
✔ Implemented email authentication using DKIM, SPF, and DMARC to
✔ Experienced in test automation frameworks such as Codeception for implementing Acceptance, API, Functional, and Unit Tests.increase the inbox delivery rate.
✔ Experienced in software architectural patterns such as Clean Architecture, CQRS, DDD (Domain-driven design), MVC, Multitier architecture.
✔ Implemented Serverless architecture using AWS Lambda, S3, API Gateway, DynamoDB, CloudFront, SQS, SNS, and CloudWatch for an Email and SMS Marketing app.
✔ Developed web applications that are PHP standard(PSRs) compliant.
✔ Implemented a GraphQL API in PHP using Doctrine entity objects as a replacement for the legacy PHP API.
API Developer
CuriousLab.sg ~ Singapore | Jun 2019 - Dec 2019
✔ Developed RESTful API for singaporebiennale.org CMS using Directus 7
✔ Managed production server live deployments and updates using AWS and Plesk
✔ Implemented Instagram API
✔ Managed production server live deployments and updates using AWS and Plesk
✔ Implemented Instagram API
App Developer
Samdhana.org ~ Indonesia | Jul 2019 - Oct 2019
Developed a desktop app using ReactJS and Laravel, where a user can import large Excel files and generate a printable PDF file based on the records from the file.
Software Developer
Cleversoft, Inc. ~ Philippines | Dec 2015 - May 2016
Ported a legacy project from PHP to Python from scratch and saw an increase in throughput using the same server hardware specs.
Full Stack Web Developer
JumixDesign.com ~ Penang, Malaysia | Apr 2015 - Jul 2015
Developed a full-stack web application project developed for International Islamic Information & Daawah Centre(IIDAC) from Malaysia.
Software Engineer
Codeitat Software ~ Philippines | Jan 2013 - Dec 2015
✔ Web Development - PHP (CodeIgniter II & III, Yii Framework), JavaScript, CSS
✔ Database Engineering - Couchbase Server, Couchbase Mobile, Sync Gateway, MySQL
✔ Ubuntu Server System Administration
✔ Android Development
✔ Database Engineering - Couchbase Server, Couchbase Mobile, Sync Gateway, MySQL
✔ Ubuntu Server System Administration
✔ Android Development
Web Development Intern
City Accounting Department, Government of Cagayan de Oro City ~ Philippines | Apr 2014 - May 2014
Developed an accounting information system - web application for the accounting department for our City Government during our On-The-Job Training and I'm the one who lead the project. Used Yii 1.1 and Bootstrap
Accomplishments
400+ reputation in Stackoverflow.com
1st Runner Up - 1st DevCon Java Hackathon
Publication: Library Augmented Reality Assistant (Lara): an Assistive Augmented Reality System for Library Users
Passer of ICT (EDP) Proficiency Examination for Computer Programming
Professionally licensed development tools
Open Source Contribs
github.com/directus/directus
yiiframework.com/extension/jbalpanelmenu
Education
BS Computer Science
Xavier University, PH
2011 - 2015
Skills
PHP Frameworks
LaravelLumenYiiCodeIgniterSlimZend FrameworkZend Expressive/MezzioSymfonyCakePHPJavaScript
VueJSReactJSVanilla JSjQueryTypeScriptDatabases
MySQL/MariaDbMongodbSQLiteCouchbase/LiteAWS DynamoDbDevOps
AnsibleAWSLinux(Debian, CentOS, Ubuntu)VagrantDockerKubernetesTest Automation
SeleniumSelenoidCodeceptionPHPUnitCMS
WordpressDirectusPayloadCMSAnalytics
Google AnalyticsGoogle Tag ManagerActiveCampaign Site TrackingFacebook PixelLanguages
PHPJavaScriptGoPythonMobile
React NativeExpoIonicBlog Posts
Coming Soon