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Denis Stael Email & Phone Number
Senior Software Developer I
at
Qubika
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Software Developer I
Location
Francisco Beltrão, Paraná, Brazil
Company size
Who is Denis Stael? Overview
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Quick answer
Denis Stael is listed as Senior Software Developer I at Qubika, a with 784 employees, based in Francisco Beltrão, Paraná, Brazil. AeroLeads shows a matched LinkedIn profile for Denis Stael.
Denis Stael previously worked as Ruby On Rails Software Developer at 87Labs and Freelance Software Developer at Seedlang. Denis Stael holds Software Engineering from Universidade Tecnológica Federal Do Paraná.
Company email context
Email format at Qubika
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Qubika
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Profile bio
About Denis Stael
Software engineer, passionate about coding and making things work, I started learning programming in 2016 and since then I have realized that in the world of information technology and data science anything is possible, as far as your imagination can reach. You just need to have patience, persistence and dedication to seek and learn how to do it.I am a person who likes to challenge myself and try to achieve the best results I can with the best I have, and constantly study to improve my skills.Currently working with Ruby On Rails, I've worked with Java and Javascript, I have experience with React and React Native, and I have a good experience with Git, Agile Methodologies and the thing that I care most: Teamwork.
Current workplace
Denis Stael's current company
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Qubika
5 roles
Denis Stael work experience
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Ruby On Rails Software Developer
Maintenance of legacy Ruby On Rails-based web system, code analysis and reverse engineering, integration with distributed systems and development of Rails API for legacy system upgrade.
Freelance Software Developer
Development and improvement of a Rails and React-based project, with a focus on languages translation and internationalization using AI-based services (LLMs), system optimization and testing. Activities included:• Integration of multiple AI-based services to streamline and automate language translation tasks.• Prompt engineering to improve the accuracy of AI-driven responses.• Refactoring and optimizing system components to improve scalability and performance.• Writing unit and integration tests.• Implementation of solutions to automate reporting generation processes.Technologies used: Ruby On Rails, PostgreSQL, RSpec, React, LLMs, GitHub.
Aug 2024 - Sep 2024
Ruby On Rails Backend Developer
Development, maintenance and deployment of APIs for various systems, services and industry sectors. Activities included:• Development of APIs, using agile methodologies for organization, planning and software development.• Communication with clients to define requirements and deadlines.• Management and monitoring of team tasks through daily meetings and sprint meetings.• Writing unit tests and integration tests.• Design and deployment of systems in Linux environments using Systemd Units and Docker.• Use of Git for code version control, organization and preparation of implemented features, code review and refactoring, as well as deployment, continuous integration and maintenance of software in production environments.Technologies used: Ruby On Rails, PostgreSQL, SQLServer, Sidekiq, Redis, RSpec, Docker, AmazonRekognition, Amazon Web Services, Oracle Linux, Nginx, Gitlab, GitHub.
Nov 2020 - Sep 2024
Java Software Developer
Development and maintenance of functionalities in a transport management and invoice control system, as well as the development of automation for digital printing of public accounting documents. Activities included:• Organization and control of tasks based on SCRUM.• Estimation and planning of tasks with the team.• Code versioning.• Code maintenance and development of new features.• Writing tests with JUnit.Technologies used: Java 7 and 8, JSF, AngularJS, Gitlab, Jira, JUnit, PostgreSQL.
Oct 2019 - Apr 2020
2 education records
Denis Stael education
Software Engineering
Bachelor'S Degree In Software Engineering, Software Engineering
FAQ
Frequently asked questions about Denis Stael
Quick answers generated from the profile data available on this page.
What company does Denis Stael work for?
Denis Stael works for Qubika.
What is Denis Stael's role at Qubika?
Denis Stael is listed as Senior Software Developer I at Qubika.
Where is Denis Stael based?
Denis Stael is based in Francisco Beltrão, Paraná, Brazil while working with Qubika.
What companies has Denis Stael worked for?
Denis Stael has worked for Qubika, 87Labs, Seedlang, Null Bug, and Consisa Sistemas.
How can I contact Denis Stael?
You can use AeroLeads to view verified contact signals for Denis Stael at Qubika, including work email, phone, and LinkedIn data when available.
What schools did Denis Stael attend?
Denis Stael holds Software Engineering from Universidade Tecnológica Federal Do Paraná.
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