Cristiano Vagos
@cristianovagos
Experienced software engineer specializing in scalable, high-performance solutions.
What I'm looking for
I am a highly motivated software engineer with over 7 years of experience, including 3 years in a Technical Lead role. My expertise lies in delivering scalable, high-performance solutions and leading development teams to achieve project goals. I am passionate about innovation and problem-solving, and I am eager to contribute my skills to drive technical excellence in a dynamic organization.
Currently, I serve as a Staff Software Engineer at Wellhub, where I lead the Integrations Team, responsible for designing and maintaining APIs and systems that enhance user experiences. My previous roles include Senior Software Engineer and Head of Engineering, where I successfully optimized logistics operations and developed critical backend systems. I take pride in my ability to mentor junior developers and drive integration success through innovative solutions.
Experience
Work history, roles, and key accomplishments
Staff Software Engineer
Wellhub
Mar 2024 - Present (1 year 3 months)
Led the Integrations Team, responsible for designing, developing, and maintaining APIs and systems used by partners, ensuring a seamless user experience for wellness activities within the app. Served as the primary point of contact for stakeholders, overseeing a team of 6 engineers and ensuring alignment between business needs and technical execution.
Senior Software Engineer
Wellhub
Nov 2021 - Mar 2024 (2 years 4 months)
Joined the Check-in and Booking team, taking ownership of one of the app's critical paths, and later established and led the Integrations team. Developed a custom internal integration platform, replacing a 3rd-party IPaaS, which improved booking acceptance rates by 15% and enhanced observability.
Head of Engineering
LUGGit
Sep 2020 - Oct 2021 (1 year 1 month)
Optimized logistics operations by developing and implementing several algorithms for fleet management and research & development, improving operational efficiency. Led the Backend team as the core maintainer of cloud-based microservices, ensuring system scalability, reliability, and high performance.
Full Stack Developer
LUGGit
Aug 2019 - Sep 2020 (1 year 1 month)
As the first employee, developed a Master's thesis on driver fleet optimization, laying the foundation for key product features. Maintained and improved the company's backend MVP, leading the migration from Google Cloud to AWS and re-architecting to Golang microservices for improved performance and scalability.
Researcher
Instituto de Telecomunicações
Jun 2018 - Dec 2018 (6 months)
Analyzed and configured cloud mechanisms (Openstack, Proxmox VE), optimizing resource allocation and ensuring efficient infrastructure management. Performed sysadmin tasks, including installation, configuration, and migration of Linux servers, as well as containerizing microservices using Docker.
Software Developer Intern
Ubiwhere
Jun 2017 - Sep 2017 (3 months)
Developed an Android app module to retrieve weight data from a scale via RS-232 communication, enabling seamless data integration for a greenfield project. Contributed to multiple Backend projects using Node.js and developed Java-based app tools to improve internal workflows.
Education
Degrees, certifications, and relevant coursework
Universidade de Aveiro
Master in Computer and Telematics Engineering, Computer and Telematics Engineering
Completed a Master's degree in Computer and Telematics Engineering. Focused on advanced topics in computer science and telecommunications.
Externato Dom Fuas Roupinho
IT Management Technician, IT Management
Studied IT Management, gaining foundational knowledge in information technology and management principles.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Job categories
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