Jesús Martínez Entrepreneur & Educator | Machine Learning Expert

Machine Learning Engineer

Blue Orange Digital

Apr 2020 - Jul 2022 (2 years 4 months)

Machine Learning Engineer

Mahisoft

Aug 2018 - Apr 2020 (1 year 9 months)

- Developed a data ingestion pipeline that breaks down legal documents stored in diverse formats, generating multiple artifacts along the way to facilitate future and further experimentation. - Built a RESTful framework to train models on a variety of NLP tasks, such as text classification, clustering and named entity recognition. - Automated the Integration between our systems and multiple third-party machine learning solutions, such as Google's AutoML.

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Founder

DataSmarts

Nov 2017 - Jul 2022 (4 years 9 months)

- DataSmarts is focused on deep learning and, in particular, in computer vision. I post tutorials, reviews, essays and resources on a weekly basis, mainly in Spanish. I've experimented with state of the art algorithms, techniques and tools such as Semi-Supervised GANs, Batch Normalization and PyTorch. I've also explored more traditional approaches like Haar Cascades. My goal with this blog is to share my experience and love for computer vision in a more down-to-earth, easy to understand way, especially with the Spanish speaking community. Relevant technologies: Python, OpenCV, Keras, PyTorch, TensorFlow, Mahotas.

Senior Software Engineer

Mahisoft

Oct 2017 - Apr 2020 (2 years 7 months)

- Developed a customizable password policies feature in an authentication microservice that is being used in the production environment of 4 major clients. . - Developed and co-designed a flexible, generic, multi-channel notifications microservice that was adopted in multiple client's production systems. - Worked intensely on 4 important microservices of the company's flagship product, which contributed to the acquisition of several new, big and important clients. - Created written and multimedia documentation of multiple parts of the internal architecture of our main product, which reduced the ramp-up time of new hires by 50%. - Provided intensive and detailed training for a new team member, which resulted in a seamless role transitio

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Backend Software Engineer

Wivo Analytics | Analítica de Retail

Aug 2016 - Oct 2017 (1 year 3 months)

- Worked on the development of a new version of the company's main product, replacing the monolithic architecture of the application with a microservices oriented one, which reduced the maintenance time by 50%. - Participated in the screening and interview process of dozens of potential candidates, which resulted in the hiring of four new, highly-skilled key members for the backend, frontend, and infrastructure teams. - Designed a sandbox-like architecture of microservices based on Docker and configurable templates that allowed the company to set up new client's systems in a fraction of the time that was needed before. - Documented the most relevant parts of the backend ecosystem, which greatly improved the effectiveness and productiven

Senior Software Developer

Mesfix - Mercado de Recursos Financieros

Dec 2015 - Aug 2016 (9 months)

- Imparted a series of workshops focused on learning quickly the basics of Python, which increased the productivity of the team. - Lead a team of 3 members focused on backend development endeavors. - Migrated the previous monolithic architecture to a microservices oriented one, which increased the scalability, response time and overall quality of the company's product. - Scaled and maintained the CI, test, development and production environments. Relevant technologies: Python, PostgreSQL, Scala, Play! Framework, RabbitMQ, Jenkins, MongoDB.

Software Engineer

Seven4n

Feb 2014 - Sep 2015 (1 year 8 months)

- Imparted a series of workshops focused on the fundamentals of Functional Programming. - Participated in the development of a the flagship product of a very important client, which consisted ina secure, cloud-based, vault-like storage system. - Elicited the key requirements of a new system for the biggest national insurance company, which bridged the gap between the stakeholders and the development team, leading to a higher client's satisfaction and development speed. - Created and designed key features in both the backend and frontend of the aforementioned system. Relevant technologies: Scala, Akka, PostgreSQL, MongoDB, Java.

Backend Integration Engineer

Synergy-gb

Sep 2013 - Jan 2014 (5 months)

Integration and adaptation of a generic middleware located between the communication and presentation layers of each application, and the transactional backend of every financial institution, with the sole purpose of customize and align each product with the specific needs of the clients. This process was supported strongly by RESTful and SOAP Web Services; by technologies related to J2EE Platform, as well as on the interaction with SQL Databases such as Oracle, and No-SQL like CouchDB. Great communications skills were acquired due to the constant interchange of ideas and information between the development team and product owners, stakeholders and teams outside the organization. Some notions about deploying applications in web servers like

Intern

Synergy-gb

Apr 2013 - Sep 2013 (6 months)

I developed a SaaS web application called Banca Móvil + Configuration Manager, aimed at the optimization and automation of configuration and deployment process of a wide range of bank software over diverse platforms. This app was mounted on Ruby on Rails framework, and relied on Puppet for the automation process. For the frontend, basic Twitter's Bootstrap library was used. The methodology used was a derivation of Scrum, with four weeks sprints and a bit more documentation, constituted by Use Case diagrams, Deployment diagrams and ER-E diagrams.

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Mantenimiento de vivero, plantación

Guardabosques USB

Jan 2013 - Sep 2013 (9 months)

Jesús Martínez

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