Plexil (Plan Execution Interchange Language) is a high-level programming language designed for autonomous systems, particularly in space missions. It facilitates the creation, execution, and monitoring of plans for robotic and spacecraft operations, ensuring they perform tasks reliably and efficiently under various conditions.
About Plexil
Plexil was developed by NASA in the mid-2000s to address the need for a unified, reliable language for autonomous system operations in space missions. It aimed to streamline the creation and execution of plans for robotic and spacecraft activities, ensuring they could perform tasks autonomously and adapt to changing conditions.
Plexil's strengths include its robustness in handling autonomous operations, ease of integration with various systems, and strong support for real-time decision-making. Its weaknesses involve a steep learning curve and limited adoption outside specialized fields. Competitors include languages like TDL (Task Description Language) and PRS (Procedural Reasoning System), which also support autonomous system operations.
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How to hire a Plexil expert
A Plexil expert must have strong programming skills in high-level languages, experience with autonomous systems and robotics, proficiency in real-time system programming, and familiarity with space mission operations. They should also be adept at plan execution and monitoring, as well as integrating Plexil with various hardware and software platforms.

Allan G.
Skills
Frontend Engineer with over three years of experience in VueJS, HTML, CSS (SASS), JavaScript, and TypeScript. Specializes in developing web systems of varying complexity from the ground up. Adept at collaborating within multidisciplinary, agile teams to create seamless user experiences, often working closely with Designers to ensure the delivery of high-quality systems.

Vitor H.
Skills
Senior Software Engineer with five years of expertise in web and mobile development, with a focus on JavaScript frameworks including React, Angular, Vue, and Nest.js, as well as PHP (Laravel) and MySQL. Recognized for constructing scalable web and mobile infrastructure and for improving the efficiency and security of websites and applications. Demonstrates proficiency in HTML, CSS, JavaScript, JQuery, Bootstrap, PHP (Laravel), MySQL, React, React Native, Angular, Vue, NodeJS, Express, NestJS, TypeScript, and MongoDB. Knowledgeable in microservices architecture and containerization tools such as Docker, and experienced in agile methodologies like Scrum and Kanban. Skilled in using Git, GitHub, and Bitbucket for CI/CD pipelines. Additionally versed in Python and R. Proficient in English.

João M.
Skills
Product designer with a recent degree from the Federal University of Santa Catarina, possessing a proven record in innovation and design. Instrumental in securing victory for the team at the SENAI Innovation GP in Biodiesel in 2019, demonstrating a solid foundation in both interface and industrial design.

Leandro A.
Skills
A developer with over two decades of expertise, specialized in PHP, Laravel, MVC architecture, and RESTful APIs. Proficient in handling JSON, relational databases such as MySQL, MariaDB, and PostgreSQL, as well as NoSQL databases like DynamoDB. Knowledgeable in version control using Git, with additional experience in Python, FastAPI, TypeScript, microservices architectures, and cloud platforms including AWS and Azure. Competent in containerization technologies, notably Docker, and skilled in utilizing observability tools such as Datadog and Prometheus/Grafana for system monitoring.
Full Stack capabilities encompass front-end technologies including HTML, CSS, JavaScript, jQuery, Bootstrap, and Vue.js. Dedicated to promoting and implementing best development standards and practices, emphasizing SOLID principles and Clean Code. Experienced in agile methodologies, particularly Scrum and Kanban, to enhance project management and development workflows.

Murilo D.
Skills
Software Developer with over a decade of experience specializing in the delivery of scalable and efficient solutions across diverse technological stacks. Demonstrates expertise in enhancing team productivity through effective collaboration, notably in pair-programming scenarios. Proficient in analyzing and assessing the feasibility of new requirements and facilitating seamless integration with third-party platforms. Possesses advanced skills in TypeScript, Node.js, and React.js, which are employed to develop RESTful Web APIs and robust back-end functionalities aligned with business objectives and user needs. Additionally experienced in event handling and messaging via Apache Kafka, AWS SQS, and SNS, and adept in implementing observability infrastructures utilizing Prometheus and Grafana. Driven by a commitment to leveraging technology to address complex problems and enhance business performance.

Vinícius F.
Skills
A graduate in Systems Analysis and Development, with four years of experience in the technology sector, currently specializing in developing prevention solutions. Competence in API development is demonstrated through proficiency in Node, C#, and TypeScript. Additional expertise includes creating Zendesk applications and building chatbots using Botpress, Rasa, and Blip. Demonstrated skills extend to Python, robust database management, and cloud development utilizing AWS and Azure. A detailed portfolio is available at https://vinifsouza.github.io/portfolio/.

Tiago B.
Skills
Web Developer with a robust programming background since 2014, holding a diploma in Computer Science and currently advancing a degree in Systems Analysis and Development. Complementary studies in Marketing enhance proficiency in English communication. Active in the software industry since August 2020, functioning as a lead programmer with responsibilities involving the coordination of application development in collaboration with Marketing and Design teams. Demonstrates expertise in core web technologies such as HTML/CSS, JavaScript, SQL, PHP, and GIT, along with proficiency in tools, libraries, and frameworks including Bootstrap, jQuery, Laravel, MySQL, and BitBucket. Specializes in the continuous development and maintenance of code.

Gabriel C.
Skills
An accomplished full-stack developer with two years of extensive experience in Java development utilizing Spring Boot for backend services, Angular for frontend interfaces, and Oracle for database management. Demonstrates proficiency in managing the complete application lifecycle, incorporating continuous integration and continuous deployment (CI/CD) processes, and deploying applications on Google Cloud Platform (GCP). Additionally, possesses expertise in developing data processing modules using Google DataFlow. Skilled in various other technologies including MySQL, Python with Flask, and Vue.js, along with programming languages such as C, Delphi, and PHP. Complemented by a robust background in electronics, boasting eleven years of professional experience, with three years specifically focused on hardware development.
*Estimations are based on information from Glassdoor, salary.com and live Howdy data.
USA
$ 224K
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$ 127K
Employer Cost
$ 97K
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