A seasoned Web Developer with over five years of experience, specializing in the development and maintenance of web systems utilizing technologies such as PHP, ASP, JavaScript, and Python. Accumulated substantial expertise with frameworks including Laravel, Zend, and Node.js. Demonstrates proficiency in cloud environments like AWS and is well-versed in code versioning, control, and deployment through tools such as Docker, Git, and GitHub. Additionally, committed to enhancing leadership skills and team management capabilities to promote a collaborative and efficient work environment.

Specialist in the development of test scenarios and execution of automated testing with proficiency in tools such as Jira, Confluence, Trello, and Miro. Expert in creating detailed diagrams and applying Agile methodologies effectively. Holds advanced skills in programming languages, including Python, Ruby, C++, and Java, with extensive experience using Visual Code. Demonstrates strong capabilities in working with APIs, executing SQL queries, and utilizing Selenium and Junit for testing purposes.

Possesses significant experience in project deployments and continuous improvement processes, including comprehensive As Is and To Be analysis. Skilled in constructing diagrams for process improvement analysis and application monitoring. Expertise encompasses KPI development, data structuring, creating presentations, and managing OKRs.

Commercial experience includes a focus on E-commerce and Marketplace domains, specifically within the scope of digital retail. Proficient in supporting business strategy development in sales, managing commercial demands, spearheading project improvements, and comprehending all aspects related to the digital retail environment and broader business scope.

A Fullstack Developer with expertise in ReactJS and NodeJS, specializing in the creation of mobile-first interfaces and efficient API integration. Proficiency in data fetching is demonstrated through the use of React Query, contributing to enhanced project performance. Experienced in conducting integration testing utilizing frameworks such as Jest and Supertest. As an active member of an organization, significant contributions were made to the development of web and mobile applications leveraging technologies like React, React Native, Expo, and Material-UI. Additionally, played a pivotal role in onboarding and training new members by serving as an instructor and implementing APIs with NodeJS and MongoDB for supporting instructional activities.

Back-end Developer with over a decade of experience in Java web development. Demonstrates solid expertise in functional programming, Object-Oriented Programming (OOP), Java, and JavaScript. Shows a focused interest in application scalability, infrastructure optimization, best development practices, Domain-Driven Design (DDD), and adherence to SOLID principles.

Experienced Web Developer with a demonstrated ability to manage projects involving large data volumes and significant daily traffic. Proficient in technologies such as Ruby on Rails, React, MySQL, Splunk, Jenkins, and Redis. Skilled in development methodologies including Test-Driven Development (TDD) and the Scrum Agile framework.

Full-stack developer with over five years of professional experience specializing in web development and infrastructure. Demonstrates expertise in managing high-traffic applications, with strong proficiency in functional programming, Object-Oriented Programming (OOP), and various development and deployment practices. Commands a deep knowledge of programming languages including PHP, Golang, and JavaScript. Areas of interest and specialization include application scalability, infrastructure optimization, and best practices in development, particularly in Test-Driven Development (TDD) and Behavior-Driven Development (BDD).

Software Engineer specializing in backend development demonstrates extensive expertise in technology and innovation. The role involves developing, researching, and implementing new features within the technological domain. Demonstrates strong knowledge in design patterns, code quality assurance, and collaboration with product teams to ensure projects surpass end-user expectations.

Proficiency spans across technologies such as NodeJS, TypeScript, PostgreSQL, and messaging systems like BullMQ, with substantial experience in blockchain integrations. Contributions include maintaining Continuous Integration/Continuous Deployment (CI/CD) practices using GitHub Actions and facilitating deployments through Kubernetes and Docker. Additional experience encompasses event-driven architecture and working with a suite of AWS services such as Lambda, SNS, SQS, EventBridge, and DynamoDB.

Committed to continuous skill enhancement and pursuing new opportunities in the technology landscape.

A Quality Analyst and Software Testing professional with a specialization in automation, engaged in software testing since 2021, exhibits solid proficiency in both manual and automated testing. Expertise encompasses functional, non-functional, exploratory, and regression testing, as well as test automation for APIs using tools like Restsharp and UI/Web interfaces using Selenium, Cypress, and Playwright. Proficient in performance testing using JMeter, with a background in the banking and financial sector, particularly within a foreign exchange operations system team, emphasizing agile development and collaborative practices.

A champion for quality throughout the development lifecycle, consistently promoting the integration of quality considerations from the initial conception to the final product delivery. Advocates for team-wide awareness and participation in quality-related tasks while continuously seeking new professional challenges.

Technical skills include proficiency in UI automation with Selenium, Cypress, and Playwright; API testing tools such as Restsharp, HTTPClient, RestAssured, and Postman. Familiar with testing frameworks like XUnit, NUnit, JUnit, Cucumber, and SpecFlow, as well as performance testing via JMeter. Language proficiencies include C#, Java, JavaScript, and TypeScript. Experienced in Agile methodologies, Kanban, and tools such as Azure DevOps, Git, SQL Server, RabbitMQ, Graylog, and Swagger.

Projects can be reviewed on the GitHub profile available at: https://github.com/joabecoelho

Strongtalk is a variant of the Smalltalk programming language, designed to offer strong typing and improved performance. It combines the dynamic features of Smalltalk with static type-checking and optimizations, aiming to enhance both development productivity and execution speed.

A Strongtalk expert must have proficiency in Smalltalk, understanding of static type systems, and experience with performance optimization techniques. Additionally, they should be familiar with the Strongtalk virtual machine architecture and debugging tools specific to the language.

How to hire a Strongtalk expert

Strongtalk was developed in the mid-1990s to address performance and type-checking limitations in Smalltalk. It aimed to combine the dynamic nature of Smalltalk with static type-checking for better performance and error detection. The project eventually influenced other languages and virtual machines but did not gain widespread adoption.

About Strongtalk

Strengths of Strongtalk included enhanced performance through static type-checking and optimizations, as well as maintaining 

's dynamic features. Weaknesses involved limited adoption, lack of community support, and being overshadowed by other languages. Competitors included 

, and other statically-typed languages that offered better tooling and ecosystem support.

Strongtalk

Top 5*

Programming Languages

About Strongtalk

How to hire a Strongtalk expert

The Best of the Best Optimized for Your Budget