williams aguilera

Rejoined as CTO in April 2025 after a Principal Engineer role at Bobsled. Led technical design and co-built Nova Recruiter as one of two engineers, launching alpha in October 2025 and beta/MVP around November. Approximately 720 companies have used or tried the product; it currently supports around 430 active campaigns. Our team has observed recruiting workflows fall from approximately 20 hours of

Founded and built an e-ink photo-frame product that receives photos over WhatsApp. Sold 80+ fully paid units through one friends-and-family campaign without paid advertising; I estimate 40-50 frames remain in daily use. Owned product definition, application, website and backend. Collaborated with my brother, who designed the PCB and 3D enclosure with my product input.

Delivered resilient FTP/SFTP ingestion into Snowflake and Databricks, resolving a critical requirement that helped retain an enterprise customer with a multimillion-dollar contract.
Reworked transfers using chunking, bounded memory, parallelism, retries and resumability; verified 20+ GB files through transfer and successful Snowflake ingestion. The client continued using the integration through my

Helping Nova with the technical design and definition of new features, and any tech related issue they might find

Leading the engineering team in the development of the Nova platform. Defining the architecture, procedures, and overall vision that will help us to provide our users of everything they need to connect, develop, and accelerate their careers.
Working with cutting edge technologies, Shape Up methodology, clean architecture, cloud computing, and data science to take our business one step beyond.
Buil

Leading the engineering team in the development of the Nova platform. Defining the architecture, procedures, and overall vision that will help us to provide our users of everything they need to connect, develop, and accelerate their careers.
Working with cutting edge technologies, Shape Up methodology, clean architecture, cloud computing, and data science to take our business one step beyond.
Buil

Working side to side with the CTO, and helping the company build a strong, reliable, fintech platform. Among my responsibilities, it's the design and development of the company's online accounting ledger to keep track of all transactions that occur in the platform.
Also I'll be involved in the integration of a new payments and cards provider, and the preparation and cleanup needed to do so

Leading the engineering team for CloudIQ in Madrid, and helping the company to move forward from a startup into a more serious and consolidated engineering division that can hold up to the industry standards.
My daily role is to work with the engineers (developers, devops, QAs) and help them set up a robust and resilient infrastructure that can scale and perform properly according to the company r

Working as a freelance developer and consultant, for multiple clients working to solve their requirements. Mainly focused on web development and hybrid application development, using multiple technologies in both Frontend and Backend.

Building clean and scalable APIs to support the load of a global fintech neo bank.

My role is to lead the engineering team in developing and implementing the technologies needed to develop the core of the bank

Full-stack Software Architect working in the BBVA Innovation Center, developing prototypes for the New Digital Business department.

Focusing in the development of hybrid applications with Ionic and nodeJS.

Technical responsible of developing a full-fledged banking infrastructure based on dockerized microservices that communicate through a RabbitMQ messaging queue and orchestrate using kubernetes

Develop of my master thesis for EMSE master, in researching and developing of ways to improve, through the application of IoT platforms, the detection, treatment and analysis of Frailty in elderly population.
By creating early detection tools through a data collection network based on IoT, will permit intervention to prevent or delay the onset of frailty, and also prevent further disability.
My wo

Providing support in the development of a custom web dashboard to show in a graphical way the data gathered from a sensor network for marketing purposes.

Development of Frontend platforms to work with IoT, and also hybrid mobile app development for fintech projects

Co-owner and Director, of a summer camp, currently we are based at a recreational club, with an average atendance of 80 kids per week.

I was in charge of develop and improvement of a web monitoring stock system for BBVA, using technologies such as JQuery, HTML, CSS, among others.

MySQL Database maintenance. Web front-end development (JQuery, AngularJS, CSS, HTML). Web Back-end development and maintenance (PHP)

Develop of a website, with advertising purposes, including a media galleries module, using php, html, javascript, flash and css stylesheets.
Also development of a Social Network module, where campers can stay in touch with each others, and counselors, view photos and videos, among other things (in development)

Full time web based and mobile software developer.

Consulting and assesment to the students of the university in the project development team in the area of technological development, in the work of several projects related with IT

I was part of the evaluating jury for the TEG II, which is the final thesis presented by the students at UNITEC, to get their bachelor degree in engineering.

Developed online web games for the kids section of the museum website, fully based on javascript and html, with PHP interaction.
As part of an AIESEC exchange program.

Development of a website in adobe flash, with advertising purposes, that included animations. Needed to have easily editable text, so XML was used.

Summer Camp recreator and counselor, working with ages between 7 and 15 years. Responsible for the recreation and deliver training workshops for new applicants

Sep 2020

Jan 2017 · Expired Jan 2019

May 2016

Aug 2016

Jul 2016

Scolarship conceded from the BBVA, as an excellence award for the best grades of the 1st year. Sub delegate of students for the EMSE Master.

Oct 2016

Sep 2016

Dec 2015

Dec 2015