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Cristiano Vagos

@cristianovagos

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Experienced software engineer specializing in scalable, high-performance solutions.

Portugal

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What I'm looking for

I am looking for a role that fosters innovation, encourages team collaboration, and offers opportunities for professional growth.

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

Current

Staff Software Engineer

Current

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.

Kotlin Spring Boot Quarkus Scala Go AWS Kubernetes Apache Kafka RabbitMQ

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.

Kotlin Spring Boot Quarkus Scala Go AWS Kubernetes Apache Kafka RabbitMQ

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.

Go gRPC AWS Kubernetes NATS

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.

Go gRPC Google Cloud Kubernetes Apache Kafka

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.

Linux Docker Proxmox VE Ansible Cisco OpenStack

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.

Angular JavaScript Java Android Node RS 232