I'm a software developer with more than a decade of professional experience. I'm well-versed in a variety of programming languages, but I'm most proficient in PHP and JAVA.I've worked on projects of various sizes and complexity, from small-scale applications serving 10+ users to large-scale ones with up to 10 million users.Early in my career, I started working on server administration and cybersecurity, then I gained experience software development. However, I eventually found my passion in software development and focused on this area.Though I am capable of doing frontend and backend development the latter is where I want to focus my attention.I've had some years of experience leading development teams, using DevOps tools like, Azure's and GitLab's CI/CD, and AWS for cloud technologies.I do great in environments that are dynamic and push me to pick up new skills.I love sharing my knowledge either as a mentor or being the go-to person on any technical issue for my coworkers.Overall, my experience and abilities have prepared me to take on difficult tasks and contribute to the success of any development team.
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Technical LeadArkusnexusGuayaquil, Guayas, Ec -
Technical LeadArkusnexus Apr 2023 - PresentTijuana, Baja California, MexicoHelp with planning activities and leading the development team to ensure the successful delivery of projects, and contribute to the overall improvement of the software development process. -
Senior Software EngineerCivicplus Feb 2020 - Mar 2023Manhattan, Kansas, United StatesI Help maintaining CivicPlus’s Park and Recreation Management software, in PHP we used an internallydeveloped framework mainly based on Symfony's Core and ORMAnd was part in the refactoring of the Docker containers that were implemented to be able to add Redis,MongoDB, Elasticsearch and OpCacheWe use Azure CI/CD to Test and Deploy Code -
Senior Software EngineerJobsity Feb 2020 - Jan 2023New York, United StatesStaff Augmentation Agency -
Software Development LeadGea Internacional Dec 2017 - Mar 2020EcuadorI was in charge of leading and planning the development of the software for the Financial and Operations departments of the company, with a group of developers who are divided into 3 products.• Cash-Management financial software, currently is processing near 700k invoices in one day twice a month.• GeoLocation & Communications with the various service providers, Tow trucks, Plumbers, Locksmiths, etc.• ERP-CRM that’s integrated with an Asterisk SIP to provide assistance via the company’s call center. -
Senior Software DeveloperGea Internacional Jan 2016 - Dec 2017EcuadorStarted out as a Senior developer, upon arrival I noticed some quality-of-life improvements could be made regarding the way the code was being versioned and the way it was being deployed.• I improved the code versioning environment by using GitLab’s platform positively improving the development process.• Established DevOps policies, reducing the number of errors during the deployment to production and speed up the time that took to do it from 2-3 hours to minutes instead.• Designed and developed a replacement API for Google's Geolocation services using OpenStreetMap’s data reducing the amount paid in Google services by 40%.• Designed and developed the central RESTful API used for the communication between the internal software and the commercial Apps developed by the iOS/Android Teams allowing them to fetch data in a more secure and reliable way.• Redesigned the old Invoice processing gateway, from taking 2 full days to process 100k invoices to less than 30 minutes by decoupling different process to a microservice architecture with an orchestrator to handle the jobs.
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Software Development Lead & Backend ArchitectAgrobizsa Mar 2015 - Dec 2015Ecuador• Carried out the planning and architectural design of the API for the ERP software for internal use of the company and defined the deploy pipeline for it. • Helped to improve some the processes that were in place to manage the sales.• I Was part in the implementation of agile development methods (SCRUM) within the team.
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Lead Software DeveloperConsultoria Y Desarrollos Tecnologicos S. A. Condetecsa Dec 2012 - Mar 2015Guayaquil, EcuadorI started working in this company as a software developer during the early stages of the development process of its commercial ERP software, which allowed me to develop my skills in the area of software for business processes.• Contributed extensively in the design and planning of the ERP software.• Headed the software development and implementation teams.Some of the clients were:• MMG TRUST ECUADOR S.A. (Member of the Morgan & Morgan Group)• Holcim Group Ecuador (Employees Association)• Plastigama - Mexichem Ecuador (Employees Association)• Crystal Chemical (Employees Association) -
Junior Software Developer | HelpdeskTacom May 2009 - Dec 2012EcuadorSoftware Developer at the Technological Integrator and Accounting Operator of the "Metro-via" Mass Transit System in the city of Guayaquil, Ecuador.• Automated tasks that were done by the IT department, this way the operational load was cut by 80%• Developed a small software that allowed the Operations Control Center to speed up the response times to the eventualities that occurred at the stations to a matter of seconds instead of minutes.• Gained a lot of experience on server administration, infrastructure and IT security.
Frequently Asked Questions about Frank Sierra
What company does Frank Sierra work for?
Frank Sierra works for Arkusnexus
What is Frank Sierra's role at the current company?
Frank Sierra's current role is Technical Lead.
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