Front-end Developer with three years of experience specializing in the development of user interfaces and screens utilizing React, TypeScript, and Styled Components. Currently dedicated to mastering front-end development through the adoption of industry best practices and clean code principles, with future plans to extend expertise to Node.js upon achieving proficiency in current front-end technologies.

A dedicated Systems Analysis and Development graduate from Uninabuco with a profound interest in technology. Demonstrates a focused, agile, and resilient approach to assignments, coupled with a commitment to continuous learning and staying abreast of advancements in the information technology domain. Exhibits readiness to tackle diverse challenges, with a particular proficiency in Angular and Node.js, while consistently pursuing opportunities for knowledge enhancement and skill development.

Initial exposure to development occurred in 2002, beginning with the creation of hobbyist websites. Extensive knowledge has been acquired over the years, starting as a front-end developer. Subsequently, expertise in Adobe Flash/ActionScript 3.0 was developed to build mobile applications, introducing object-oriented programming concepts. A significant career milestone involved relocating to Berlin to establish a digital marketing platform from the ground up for a startup, transitioning into a full-stack developer with proficiency in Ruby on Rails. Upon returning to Brazil, remote part-time work for the same company continued, allowing for focus on a personal project: an Online Travel Agency platform. This platform features an API built in Ruby and utilizes ReactJS for the front end. With development on this project largely stabilized after five years, a keen interest in exploring new professional opportunities is demonstrated.

An Analyst/Developer with over 15 years of professional experience, specializing in the development and creation of software aimed at optimizing system integration and enhancing functionality.

Web Developer with specialization in front-end development, demonstrating proficiency in crafting web pages and systems using Angular to deliver seamless and contemporary user experiences. Adept in back-end development, deploying C# .Net to construct robust and scalable APIs. Core competencies encompass HTML, CSS, JavaScript, Bootstrap, Angular, TypeScript, Git, C# .Net, .Net Core, and MySQL. Possesses a solid grasp of web technologies with a results-driven approach, consistently pursuing innovative and efficient solutions to challenges and process enhancements. Experienced in agile methodologies, including Scrum, to facilitate collaborative and effective team workflows.

A software developer with over a decade of experience develops robust and resilient applications across the education, finance, and e-commerce sectors. Proficient in technologies including Vue.js, React.js, Serverless, TypeScript, Node.js, and Python.

Specializing in the creation of impactful user interfaces, this professional emphasizes continuous improvement and meticulous attention to detail. With a background in software engineering, the expertise centers on developing user interfaces such as landing pages, dashboards, and platforms, embracing challenges and the opportunity to engage directly with end-users. Recognized for proactivity, curiosity, creativity, organization, punctuality, and strong interpersonal skills, this individual brings a proactive approach to team collaboration and client value generation.

In addition to technical prowess, there is a notable enthusiasm for sharing knowledge and contributing to the community, particularly through open-source projects. There is a fervent interest in design systems, product creation, user experience (UX), and developer experience (DX), currently manifested in a leadership role within a front-end team.

Technical expertise encompasses the React ecosystem, including NextJS, Styled Components, RadixUI, and Redux, with additional skills in Sass, Less, CSS Modules, and methodologies such as RSCSS, ITCSS, and BEM. Experience extends to NodeJS, Express, NestJS, React Native, Postgres, GoLang, agile methodologies, and cloud platforms like AWS and Google Cloud. Proficiency with industry tools such as Datadog, Sentry, and Google Analytics complements an ongoing passion for technical and professional growth, including leadership, design systems, automated testing, SEO, and business studies.

Mobile development professional with four years of experience prioritizing clean code, adherence to design patterns, and implementation of best methodologies to optimize project outcomes. Possesses a solid background in backend and web development.

Twelf is a software tool for specifying, implementing, and proving properties of deductive systems. It supports the development of formal systems such as programming languages and logics through the use of logical frameworks and provides facilities for type-checking, proof checking, and meta-theoretic reasoning.

A Twelf expert must have strong skills in formal logic, type theory, and deductive systems. Proficiency in the LF logical framework and experience with proof assistants are essential. Familiarity with functional programming concepts and experience in specifying and verifying formal systems are also crucial.

How to hire a Twelf expert

Twelf was developed in the late 1990s as a successor to the Elf language. It was created to facilitate the specification, implementation, and verification of deductive systems. The tool aimed to provide a framework for formalizing programming languages and logics, leveraging type theory to ensure correctness and consistency in formal proofs.

About Twelf

Twelf's strengths include its robust support for formal proofs, type-checking, and meta-theoretic reasoning. Its weaknesses lie in a steep learning curve and limited documentation. Competitors include 

, and Isabelle, which offer similar functionalities with varying degrees of usability and community support.

Twelf

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Programming Languages

About Twelf

How to hire a Twelf expert

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