Tesso Martins Costa Email & Phone Number

Calgary, Ab, Ca

Calgary, Alberta, Canada

As the primary interface between development teams, product teams, and stakeholders, I ensure that technical solutions align seamlessly with business objectives. By closely collaborating with product managers, I define product roadmaps, translate business requirements into actionable technical tasks, and prioritize features using Kanban and Scrum methodologies.Key responsibilities include:• Technical Leadership: Providing guidance and career coaching to team members, advocating best practices such as Clean Code, TDD, and SOLID principles to foster professional growth.• Architectural Strategy: Leading architectural discussions and making strategic decisions to maintain system scalability, security, and performance.• Stakeholder Engagement: Regularly communicating progress, gathering feedback, and managing stakeholder expectations while mitigating technical risks.• Agile Facilitation: Leading sprint planning, retrospectives, and daily stand-ups to drive continuous improvement and promote an Agile mindset within the team.• Process Optimization: Utilizing Kanban and Scrum frameworks to streamline development processes, manage workload, and enhance delivery metrics.• Quality Assurance: Ensuring high software quality by enforcing code reviews, unit testing, and performance monitoring standards.• CI/CD Management: Overseeing infrastructure and deployment pipelines, ensuring smooth, continuous integration and delivery processes.• Innovation Culture: Cultivating a culture of innovation, encouraging experimentation, and supporting initiatives that explore new technologies and enhance existing workflows.

Calgary, Canada

As a Senior Java Developer, I played a crucial role in developing, optimizing, and maintaining backend systems, focusing on feature development for courier onboarding. I collaborated closely with product teams to ensure that technical solutions met business needs and supported system scalability and performance.Key Achievements & Responsibilities:Feature Development: Spearheaded the design and development of core backend features for courier onboarding, using Java and the Spark Framework. Delivered high-impact solutions that enhanced user experience and streamlined the onboarding process.Performance Optimization: Identified and implemented critical improvements in the microservices architecture, resulting in a 25% increase in system efficiency and reduced latency in API response times.Advanced Monitoring Solutions: Developed a custom Grafana dashboard for monitoring user activity and system health in production, enabling real-time data analysis and improving issue resolution times by 20%.Automation Expertise: Built a custom automation tool for front-end testing, increasing test coverage by 40% and reducing manual testing efforts. This improvement led to faster releases and higher-quality software.DevOps & CI/CD Management: Managed infrastructure using AWS and automated deployment processes with Terraform, ensuring seamless integration and deployment pipelines. Improved deployment times by 30% through optimized CI/CD workflows.Documentation & Code Quality: Authored comprehensive technical documentation, a critical resource during product expansion cycles, reducing onboarding time for new team members by 15%.Mentorship in Best Practices: Actively supported the team’s adherence to best coding practices like Clean Code and Test-Driven Development (TDD), enhancing the maintainability and quality of the codebase.

Uberlândia Area, Brazil

Contributed to developing innovative software solutions for the Human Resources department, focusing on enhancing internal processes and efficiency within a hospital environment.Project Development: Designed and developed software architecture for critical projects, ensuring scalable and maintainable solutions tailored to the hospital's needs.Key Projects:Developed a tracking system for sterilizable materials used in surgeries, improving inventory management and compliance processes.Built additional software tools to streamline HR processes, optimize workflows, and boost departmental productivity.Technical Expertise: Served as a key resource for Java-related issues, providing support to team members in the use of technologies like J2EE, Spring, and REST APIs.Database Management: Worked with DB2 and PostgreSQL databases, ensuring data integrity and smooth integration with software applications.

Uberlandia, Minas Gerais, Brazil

Established and led the first Hackerspace in the Triângulo Mineiro region, fostering a collaborative environment for innovation, creativity, and technology. Worked closely with other members to promote and expand the maker culture in the community, encouraging hands-on learning, DIY projects, and knowledge-sharing.

Uberlandia, Minas Gerais, Brazil

Developed and maintained internal applications to enhance operational efficiency within the hospital environment, leveraging Java EE technologies.Application Development: Focused on building and optimizing internal applications for hospital use, utilizing Java 7, REST APIs, and PrimeFaces to ensure a seamless user experience.Technology Stack: Employed JBoss WildFly as the application server to ensure reliable performance and scalability across all deployed solutions.System Integration: Integrated various internal systems to streamline processes and improve the overall efficiency of hospital operations.

Uberlandia, Minas Gerais, Brazil

Uberlandia, Minas Gerais, Brazil