Front-end developer possessing a decade of professional experience, with the last five years dedicated to e-commerce solutions. Demonstrates proficiency in platforms including Salesforce Commerce Cloud, VTEX, and VTEX.IO.

Front-end Developer with over five years of web development experience. Skilled in handling customer-facing applications with daily traffic reaching approximately 200,000 visits, and proficient in JavaScript, TypeScript, React, Vue, and UI/UX design using Figma. Demonstrates extensive expertise in performance optimization and web vitals, particularly through work on a project dedicated to SEO utilizing Vanilla JavaScript and Razor Asp.NET for server-side rendering. Currently, functions as the sole front-end developer within a team of seven, focusing on internal projects and boards for CRM and CX teams, serving a user base of around 800 employees.

A graduate in Systems Analysis and Development from UNIP, currently pursuing postgraduate studies in Systems Architecture at PUC-PR. Brings four years of back-end development experience with a focus on service squads and financial operations, gamification, authentication/authorization systems, and Marketplace environments. Responsibilities have included developing new services, maintaining legacy applications, and migrating systems from mainframe to lower platforms. Proficient in PHP, Cobol, and Kotlin, with a primary focus on Java development, particularly using the Spring framework.

A back-end developer with one year of experience in web applications, specializing in Node.js and adept in libraries and frameworks such as Express, Sequelize, MySQL, and EJS. Demonstrates solid programming logic skills and a foundational understanding of project management principles. Proficient in applying SCRUM and Kanban methodologies for effective task management and prioritization. Currently focused on expanding expertise into NestJS, showcasing a strong commitment to continuous learning and professional growth.

Experienced in managing technology projects and optimizing customer journey initiatives, including the implementation of voice portals and web applications. Collaborated with multidisciplinary teams within sectors such as finance, insurance, and contact centers. Employed agile methodology to oversee the entire project lifecycle, from initial planning through to implementation.

Responsibilities included gathering requirements, drafting specifications, executing tests, managing schedules, evaluating architectural designs, overseeing the development and technical implementation of new applications—encompassing environment preparation and configuration—and tracking change management (GMUD). Additionally, contributed to the resolution of production environment incidents to enhance customer experience success.

Software Developer with six years of experience in delivering quality and secure systems across various business sectors. Skilled in developing CRM SaaS, Kanban, Payroll Management, Real Estate, Vehicle Rental, CMS, Bank Reconciliation, and Internal Process Management systems alongside bespoke backoffice tools. Demonstrates proficiency in understanding business rules and excels in teamwork, proactive problem solving, and maintaining a positive work environment.

Proficient in software development using PHP, both vanilla and object-oriented within frameworks such as Laravel and Symfony, and experienced in backend JavaScript with Node.js, TypeScript, Express, NestJs, and Jest. Capable of creating, consuming, and integrating API services while ensuring proper documentation and contract validation through Swagger. Expertise in unit testing and familiar with frontend technologies like HTML5, CSS3, Bootstrap, JavaScript, and jQuery. Applies various design patterns, including MVC, Singleton, ActiveRecord, and DTO, and adept in version control with GIT, including GitHub, Git Flow, Bitbucket, and Git Actions Workflows. 

Possesses strong database management skills with MySQL, in-depth knowledge of Docker, Linux/WSL, and Ubuntu environments, and experience in maintaining legacy systems by adding features, fixing bugs, and enhancing functionality. Familiar with messaging solutions using RabbitMQ and template engines such as Smarty and Blade. Employs Agile methodologies, specifically Scrum, and holds a passion for VBA in Excel for accounting solutions, automation, and macro creation with AutoIt as a hobby.

Beginning with expertise in VBA (Excel) and VB around 2006 and transitioning to self-taught proficiency in PHP by 2008, my career has been dedicated to web development. Throughout my professional journey, I specialized in serving web systems and related software for various companies. In 2017, I fully transitioned to the private sector, driven by the challenge of finding reliable partners for larger projects. My passion lies in architecting comprehensive solutions and enhancing application performance. Residing in São Paulo, Brazil, for 13 years before moving to the countryside, I am currently married and a proud parent of a young daughter.

Possesses over 17 years of experience in the technology sector, focusing on software development, systems analysis, coordination, and management. Since 2012, serves as a technical course instructor in systems development. Expertise covers Computer Science with a strong emphasis on projects, systems analysis, software development, and databases, as well as Administration with a focus on financial management, costs, transport, and logistics. Holds an MBA in Business Management and a degree in Computer Science, supplemented with a technical degree in industrial computing.

Alef is a concurrent programming language developed for the Plan 9 operating system. It facilitates the creation of efficient, parallel software by providing constructs for managing processes and communication between them.

An Alef expert must have strong knowledge of concurrent programming concepts, proficiency in the Plan 9 operating system, experience with process management and inter-process communication, and familiarity with low-level system programming.

How to hire a Alef expert

Alef was a concurrent programming language developed in the early 1990s for the Plan 9 operating system from Bell Labs. It aimed to simplify the creation of parallel software by providing efficient constructs for process management and inter-process communication. Alef was eventually phased out in favor of other languages like Limbo.

About Alef

Alef's strengths included efficient concurrency support and seamless integration with the Plan 9 operating system. Its weaknesses were limited adoption, a small user base, and eventual obsolescence. Competitors included languages like 

, which replaced Alef in Plan 9 development.

Alef

Top 5*

Programming Languages

About Alef

How to hire a Alef expert

The Best of the Best Optimized for Your Budget