Alex Martins Email & Phone Number

New York, Ny, Us

London, England, Gb

New York, Ny, Us

● Managed the engineering team implementing Ro's data platform, mentoring and coaching them to improve technical and leadership skills, fostering their professional growth, resulting in one promotion to staff software engineer.● Built relationships with key stakeholders ensuring effective communication and collaboration on roadmap creation, technology strategy, and project execution.● Implemented an event streaming platform using Kafka and Protobuf, enabling complex event-driven workflows and reducing dependency on the main monolith application.● Used Airflow, Kubernetes, and GitHub Actions to build a scalable orchestration platform, improving team autonomy in building data products from development to deployment.● Introduced CI/CD practices, reducing software release time and production issues,leading to improved quality and faster time-to-market.● Recruited and onboarded a new staff engineer, improving team performance.

New York, Ny, Us

● Expanded my organization from 1 to 3 software engineering teams.● Mentored and coached engineers and managers to foster their professional growth,aligning their career goals with the company objectives, resulting in the promotion of 6engineers.● Led the implementation of a machine learning-based content recommendation productfor marketing campaigns, increasing digital subscribers by 12%.● Delivered a data processing platform for batching and streaming operations usingPython, Apache Beam, Kafka, and Terraform, enhancing team autonomy and velocity.● Partnered with data governance and security teams to deliver data governance capabilities, ensuring data quality, resusability, and compliance.● Introduced OKRs and guided teams within the Data organization to define meaningful objectives with outcome-based metrics.

New York, Ny, Us

● Developed a GraphQL-based Content API and content aggregator, centralizing business logic and reducing complexity of front end implementations, resulting in faster releasecycles and fewer production bugs.● Reduced network bandwidth use by 80% and improved response time by only returningspecified data in the GraphQL query.● Implemented fault-tolerant integration clients with retries, timeouts, circuit breakers, andtracing. Built a robust cache mechanism from CDN to query and raw data caches usingRedis.● Implemented a plugin mechanism allowing teams to independently onboard new datasources and implement query resolvers, supported by documentation and training. This effort reduced by ~40% the time for a new data source to be available for querying.

Rio De Janeiro, Rio De Janeiro, Br

● Led scalability and stability improvements for Globo's live video streaming platform, successfully handling tens of millions of users during the 2014 World Cup and 2016 RioOlympics.● Introduced test-driven development and continuous integration practices, increasingteam velocity and reducing production bugs.● Coordinated the project execution, which involved 4 other teams, from the teamresponsible for the video encoders, the player team, infrastructure, and Globoplay, theflagship product.● Implemented geo-based content streaming, enabling region-specific content display andfull rollout of the streaming platform nationwide.● Scaled the Cassandra cluster across different regions, improving availability, andresponse time.● Used ELK improving video processing observability, identifying and solving bugsaffecting the streaming experience.

Rio De Janeiro, Rio De Janeiro, Br

● Led the implementation of a user identity system, transitioning to a microservices architecture using Scala and Golang, enhancing registration, authentication, andauthorization processes.● Reduced the codebase by over 40% by deprecating dead features, and introduced testautomation and continuous integration, improving team velocity and system reliability.● This work was mentioned in Joshua Kerievsky's book, 'The Joy of Agility.● Led the implementation of the eye witnessing mobile app and content review system for G1, Brazil's largest online news product. This app allowed users to submit content from their mobile phones for potential news coverage.● Achieved an average review and publishing time of under 10 minutes. The tool was also adopted by journalists for external event coverage.● Led the implementation of the largest cooking recipe product in Brazil, Receitas.com, with more than 6 million users, responsible for the roadmap, planning, design and implementation.

Chicago, Il, Us

● Defined architecture, standards and delivered high-quality systems for clients in Australiaand Asia.● Mentored engineering teams in testing, continuous integration and deployment, agilesoftware delivery, and managing technical debt.● Successfully delivered a new portfolio management system for IOOF, enhancingextensibility and maintainability.● Designed and implemented SOA Governance capability for Macquarie Bank, improvingservice governance and reusability.● Martin Fowler, ThoughtWorks Chief Scientist, shared the work in his article'HumaneRegistry,' influencing the adoption of service registries as a capability.

Rio De Janeiro, Rio De Janeiro, Br

● Implemented various systems using Java and J2EE, including a high-traffic votingsystem and a popular fantasy game with over 5 million users.

London, Gb

Worked on the developed of the market campaign simulator for British American Tobacco, which allowed them to simulate the impact of different marketing campaigns, on different types of retailers.

Executive Certificate, Management And Leadership

Executive Certification, Business

Management Development, Management

Apg Middle, Business Administration And Management

Bachelor'S Degree, Computer Science