Middle ReactJS Developer (Axcient UX migration to Asio)

📍 Job Overview

Job Title: Middle ReactJS Developer (Axcient UX migration to Asio)
Company: Sigma Software
Location: São Paulo, State of São Paulo, Brazil
Job Type: Full-time
Category: Front-end Development / Software Engineering
Date Posted: October 28, 2025
Experience Level: Mid-level
Remote Status: Remote OK

🚀 Role Summary

• Develop and maintain modern user interfaces for a high-performance platform, focusing on the Axcient UX migration to the ConnectWise Asio ecosystem.
• Implement and reengineer UI components using React, TypeScript, and the ConnectWise Front-end framework to deliver a faster, more consistent, and scalable user experience.
• Collaborate with PHP Back-end developers to integrate APIs and ensure seamless client-server communication for automation tools.
• Contribute to the development of automation tools for IT service providers, including data backup, recovery, and security management for SMBs.

📝 Enhancement Note: While the role is listed as a ReactJS Developer, the core responsibilities and context strongly indicate a focus on front-end engineering within a Software Development lifecycle, rather than a direct Revenue/Sales Operations role. The enhancement will cater to a technical developer audience seeking a front-end engineering position with specific platform migration responsibilities.

📈 Primary Responsibilities

• Design, develop, and maintain reusable, maintainable, and testable user interface components utilizing React, TypeScript, and the ConnectWise Asio Front-end framework.
• Integrate Front-end components with PHP Back-end APIs, ensuring robust and efficient client-server communication for core platform functionalities.
• Execute the migration of legacy user interfaces to a modern React architecture, adhering to UX designs, branding guidelines, and accessibility standards.
• Implement responsive and high-performing UI layouts that provide an optimal user experience across various devices and browsers.
• Actively participate in an Agile (Kanban-based) development process, including sprint planning, daily stand-ups, and contributing to technical discussions.
• Collaborate with QA and DevOps teams to facilitate smooth and efficient releases through CI/CD pipelines.
• Engage in code reviews, providing constructive feedback to peers and learning from senior engineers to continuously improve code quality and development practices.
• Debug, test, and optimize Front-end performance, ensuring cross-browser compatibility and adherence to performance best practices.
• Contribute to the development and maintenance of shared UI libraries, promoting component reusability and consistency across the entire platform.
• Proactively identify and propose technical improvements, best practices, and solutions to challenges in collaboration with the customer.

📝 Enhancement Note: The responsibilities emphasize a blend of core React development, API integration, UI/UX implementation, and Agile team collaboration, typical for a mid-level front-end engineer involved in platform modernization.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

Experience:

• 3-5 years of professional experience in Front-end development.
• Minimum of 2 years of hands-on experience developing production-ready applications using React.

Required Skills:

• Proficient in JavaScript (ES6+) and modern front-end development practices.
• Strong command of React.js and its core principles, including hooks, context API, and functional components.
• Expertise in TypeScript for enhanced code quality and maintainability.
• Solid understanding of HTML5 and CSS3, including responsive design principles.
• Experience in building and consuming RESTful APIs, with a preference for working with PHP Back-ends.
• Familiarity with state management libraries such as Redux, Zustand, or Recoil.
• Experience with component-based design, focusing on reusability and modularity.
• Proficiency with Front-end build tools and bundlers like Webpack or Vite.
• Experience with code quality and formatting tools such as ESLint and Prettier.
• Working knowledge of Git-based version control workflows.
• Practical experience with Agile development methodologies, particularly Kanban.
• Basic understanding of front-end performance optimization techniques.
• Familiarity with browser debugging tools for effective troubleshooting.

Preferred Skills:

• Experience with the ConnectWise Front-end framework.
• Familiarity with CI/CD pipelines and deployment processes.
• Experience in migrating legacy UI systems to modern JavaScript frameworks.
• Knowledge of accessibility standards (WCAG) and implementation.
• Experience with unit testing frameworks (e.g., Jest, React Testing Library).

📝 Enhancement Note: The qualifications are specific to a mid-level React developer, highlighting both foundational web technologies and modern JavaScript frameworks, with a particular emphasis on React and TypeScript, as well as API integration experience.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrated experience in building complex, interactive user interfaces using React. Showcase projects that highlight component reusability, state management strategies, and responsive design implementation.
• Examples of API integrations, showcasing how you've consumed and interacted with back-end services (preferably with PHP) to deliver dynamic content and functionality.
• Case studies or project examples detailing your involvement in UI migration or modernization efforts, illustrating your approach to refactoring legacy code and adopting new architectures.
• Evidence of clean, well-structured, and maintainable code, ideally through links to publicly available repositories (e.g., GitHub) with clear documentation.

Process Documentation:

• Showcase your understanding of Agile methodologies, particularly Kanban, by describing your role and contributions in a team environment.
• If possible, provide examples of how you've contributed to or utilized shared UI libraries, demonstrating an understanding of component standardization and consistency.
• Detail your experience with debugging and performance optimization, including specific tools and techniques used to identify and resolve front-end issues.

📝 Enhancement Note: For a front-end developer role, a portfolio is crucial. The emphasis is on showcasing practical application of React, TypeScript, API integration, and modern development processes, rather than traditional operations metrics.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Middle ReactJS Developer in São Paulo, Brazil, with the specified experience level and remote work arrangement, a competitive salary range is estimated between R$ 8,000 to R$ 14,000 per month. This estimate accounts for the cost of living in São Paulo, the demand for skilled React developers, and the company's likely positioning as an established software services provider.

Benefits:

• Competitive salary package.
• Opportunity to work on a cutting-edge platform migration project.
• Professional development and learning opportunities, including exposure to new technologies and senior engineering mentorship.
• Collaborative and supportive team environment within an Agile framework.
• Potential for international project involvement and client interaction.
• Standard Brazilian labor law benefits (e.g., FGTS, 13th salary, paid vacation).

Working Hours: The standard working hours are 40 hours per week, aligning with typical full-time employment. While the role is remote-friendly, adherence to core working hours for team collaboration and client communication is expected, likely aligning with Brazilian business hours (e.g., 9 AM - 6 PM BRT with a lunch break).

📝 Enhancement Note: Salary is estimated based on current market data for mid-level React developers in São Paulo, Brazil. Benefits are inferred from typical offerings for full-time roles at software companies and the specific project context.

🎯 Team & Company Context

🏢 Company Culture

Industry: Software Development and IT Services. Sigma Software operates within the global IT services sector, providing custom software development, testing, and IT consulting. This involves working with clients across various industries, often on complex technology solutions. Company Size: Sigma Software is a large international IT consulting and software development company with a significant number of employees (likely in the thousands, based on typical industry players). This size suggests a structured environment with established processes, a wide range of projects, and opportunities for professional networking. Founded: Sigma Software was founded in 2004. This long history indicates stability, a well-established client base, and deep experience in the software development market.

Team Structure:

• The project team is likely structured within an Agile framework (Kanban), comprising developers (Front-end, Back-end), QA engineers, a Scrum Master or Team Lead, and potentially a Project Manager or Customer Success Manager.
• Reporting lines will typically flow through a technical lead or engineering manager within Sigma Software’s organizational structure, with direct collaboration with the client's product and engineering teams.
• Cross-functional collaboration is a key aspect, involving close interaction between Front-end and Back-end developers, QA, DevOps, and UX designers to ensure cohesive product delivery.

Methodology:

• The team employs a Kanban-based process, emphasizing continuous flow, visualization of work, and limiting work in progress to optimize efficiency and delivery speed.
• Regular communication with the customer is a core part of the methodology, focusing on technical improvements, best practices, and proactive problem-solving.
• Development practices will likely include code reviews, automated testing, and CI/CD integration for streamlined deployment.

Company Website: https://sigma.software/

📝 Enhancement Note: Company context is derived from the provided information and general knowledge of large IT service and software development companies, framing the role within a professional, structured, and client-focused environment.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Middle Front-end Developer, indicating an individual contributor role with a solid foundation in React development and the ability to work independently on defined tasks. It sits between junior and senior levels, requiring proficiency in core technologies and the capacity to contribute meaningfully to project goals. Reporting Structure: The developer will report to a technical lead or engineering manager within Sigma Software. They will work closely with other developers on the project team, including PHP back-end engineers, QA specialists, and potentially a project coordinator or Scrum Master. Direct interaction with client stakeholders on technical matters is also probable. Operations Impact: While not a traditional "operations" role, this developer's impact is crucial to the success of the Axcient platform migration. Their work directly influences the user experience, platform performance, and the overall efficiency of the automation tools delivered to IT service providers. Delivering a high-quality, performant UI is integral to customer satisfaction and the adoption of ConnectWise's services.

Growth Opportunities:

• Skill Specialization: Deepen expertise in React, TypeScript, and the ConnectWise Front-end framework, potentially becoming a subject matter expert for future projects.
• Technical Leadership: Progress to a Senior React Developer or Tech Lead role, mentoring junior developers, contributing to architectural decisions, and driving technical strategy for front-end initiatives.
• Cross-Functional Expertise: Gain further experience in API integration, performance optimization, and potentially explore adjacent areas like DevOps or full-stack development if desired.
• Client Engagement: Develop stronger client-facing communication skills and potentially take on more responsibilities in technical discussions and solution design with clients.

📝 Enhancement Note: Growth analysis focuses on career progression within a software engineering track, emphasizing skill enhancement, leadership potential, and the impact of front-end development on product success.

🌐 Work Environment

Office Type: The role is described as "Remote OK," suggesting a hybrid or fully remote work arrangement is permissible. This indicates a modern work environment that prioritizes flexibility and employee well-being, leveraging technology to maintain team connectivity. Office Location(s): While the primary job location is São Paulo, Brazil, the "Remote OK" status implies that candidates may not need to be in a specific office daily. Sigma Software likely has offices in São Paulo and potentially other locations, but the role is designed to accommodate remote work.

Workspace Context:

• The remote work setup necessitates a self-disciplined approach to managing one's workspace and schedule to ensure productivity and well-being.
• Access to modern development tools, collaboration platforms (like Slack, Teams, Jira), and version control systems is essential for effective remote teamwork.
• Opportunities for virtual collaboration and team engagement through daily stand-ups, code reviews, and virtual social events will be available to foster team cohesion.

Work Schedule: The standard work schedule is 40 hours per week. Given the remote nature and potential for international client interaction, some flexibility might be offered, but core hours for synchronous communication and collaboration are likely expected, aligning with Brazilian business hours (e.g., 9 AM to 6 PM BRT).

📝 Enhancement Note: The work environment description is tailored to a remote-friendly, full-time development role, emphasizing the tools and collaborative practices necessary for distributed teams.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with a recruiter to assess basic qualifications, experience, and cultural fit.
• Technical Interview (React Focus): An in-depth interview with a technical lead or senior developer to evaluate your React.js proficiency, TypeScript knowledge, JavaScript fundamentals, and problem-solving skills. Expect coding challenges or discussions on architecture and best practices.
• Code Review/Take-Home Challenge: You may be asked to complete a small coding task or review a piece of code to demonstrate your practical development skills, code quality, and approach to problem-solving.
• Team/Client Interview: A meeting with potential team members and/or client representatives to assess your collaboration style, communication skills, and alignment with project goals.
• Final Offer: Based on the successful completion of all interview stages.

Portfolio Review Tips:

• Curate Selectively: Focus on 2-3 of your strongest projects that best represent your React, TypeScript, and API integration skills.
• Highlight Migration/Modernization: Emphasize any projects involving UI modernization, refactoring, or migration from older technologies to React.
• Code Quality & Readability: Ensure your code samples are clean, well-commented, and follow best practices. Provide links to live demos or well-documented GitHub repositories.
• Quantify Impact: If possible, describe the impact of your work, such as performance improvements, user adoption increases, or efficiency gains achieved through your contributions.
• Prepare to Discuss: Be ready to walk through your projects, explain your technical decisions, and answer questions about challenges you faced and how you overcame them.

Challenge Preparation:

• Core React Concepts: Brush up on React hooks, state management (Redux/Zustand), component lifecycle, handling forms, and context API.
• JavaScript Fundamentals: Review ES6+ features, asynchronous programming (Promises, async/await), and common data structures.
• API Integration: Practice scenarios involving fetching data from RESTful APIs and handling responses.
• TypeScript: Ensure you are comfortable with basic to intermediate TypeScript features like interfaces, types, and generics.
• Problem-Solving: Work through coding challenges on platforms like LeetCode or HackerRank, focusing on algorithms and data structures relevant to front-end development.

📝 Enhancement Note: This section provides actionable advice tailored to a developer role, focusing on technical assessments, portfolio presentation, and preparation for coding challenges.

🛠 Tools & Technology Stack

Primary Tools:

• React.js: The core JavaScript library for building user interfaces.
• TypeScript: For static typing and enhanced code quality.
• ConnectWise Asio Front-end Framework: A specific framework for building UI components within the ConnectWise ecosystem.
• JavaScript (ES6+): Fundamental language for web development.

State Management:

• Redux: A popular predictable state container for JavaScript applications.
• Zustand / Recoil: Alternative, more modern state management solutions.

API Integration:

• RESTful APIs: For client-server communication.
• Axios / Fetch API: Common libraries/APIs for making HTTP requests.

Development & Tooling:

• Webpack / Vite: Module bundlers and build tools.
• ESLint / Prettier: Code quality and formatting tools.
• npm / yarn: Package managers.
• Git: Version control system.

Debugging & Testing:

• Browser Developer Tools: For debugging and performance analysis (Chrome DevTools, Firefox Developer Tools).
• Unit Testing Frameworks (e.g., Jest, React Testing Library): For writing and running tests.

Collaboration & Project Management:

• Jira / Trello: For task management and workflow tracking (Kanban).
• Confluence / Notion: For documentation and knowledge sharing.
• Slack / Microsoft Teams: For real-time communication.

📝 Enhancement Note: This section details the specific technologies and tools relevant to a modern front-end development role, emphasizing React, TypeScript, and related ecosystem tools.

👥 Team Culture & Values

Operations Values:

• Collaboration & Teamwork: A strong emphasis on working together effectively within an Agile team, sharing knowledge, and supporting colleagues to achieve common goals.
• Quality & Craftsmanship: A commitment to writing clean, maintainable, and performant code, adhering to best practices in software development.
• Continuous Learning & Improvement: An environment that encourages learning new technologies, adopting better development practices, and proactively seeking ways to enhance product quality and efficiency.
• Customer Focus: Understanding that the ultimate goal is to deliver value to the customer by building robust and user-friendly solutions that meet their needs.
• Proactiveness & Problem-Solving: Encouraging individuals to take initiative, identify potential issues, and propose solutions to technical challenges.

Collaboration Style:

• Agile & Iterative: Working in short cycles with continuous feedback loops, adapting to changing requirements and priorities.
• Transparent Communication: Openly sharing progress, challenges, and ideas through daily stand-ups, code reviews, and direct communication channels.
• Cross-Functional Synergy: Close collaboration between front-end, back-end, QA, and potentially DevOps teams to ensure seamless integration and efficient delivery.
• Constructive Feedback: A culture where feedback is welcomed and given constructively during code reviews and team discussions to foster collective growth.

📝 Enhancement Note: This section infers team culture and values based on typical practices in Agile software development companies, focusing on collaboration, quality, and continuous improvement relevant to a developer role.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Migration: Navigating the complexities of migrating a legacy UX to a new framework (ConnectWise Asio) while ensuring feature parity, performance, and a seamless user experience.
• Cross-Technology Integration: Effectively integrating React front-end components with a PHP back-end, requiring a solid understanding of both environments and API communication.
• Maintaining Consistency: Ensuring UI consistency across different components and features, especially when working within a large platform and potentially on different modules.
• Remote Collaboration: Effectively communicating and collaborating with a distributed team and client stakeholders, overcoming geographical barriers.

Learning & Development Opportunities:

• Deep Dive into ConnectWise Ecosystem: Gaining in-depth knowledge of the ConnectWise Asio platform and its specific front-end framework.
• Advanced React & TypeScript: Opportunities to master advanced patterns, performance optimization techniques, and complex state management in React and TypeScript.
• Cross-Functional Exposure: Learning more about PHP back-end development, API design, and CI/CD pipelines through collaboration with other team members.
• Agile Methodologies: Further developing skills in Agile practices, particularly Kanban, and contributing to process improvements.

📝 Enhancement Note: Challenges and growth opportunities are framed around the specific project context (migration, technology stack) and general career development for a mid-level developer.

💡 Interview Preparation

Strategy Questions:

• React Architecture: "Describe how you would approach building a scalable and maintainable UI for a large application using React. What state management solution would you choose and why?" (Be prepared to discuss hooks, context, Redux/Zustand, component design patterns).
• API Integration: "Walk me through your process for integrating a front-end application with a RESTful API, including error handling and data transformation. What are common challenges when working with PHP back-ends?"
• Migration Experience: "Tell me about a time you were involved in migrating a legacy system or UI to a modern framework. What were the biggest challenges, and how did you overcome them?"
• Performance Optimization: "How do you identify and resolve performance bottlenecks in a React application? What tools and techniques do you use?"

Company & Culture Questions:

• "What interests you about Sigma Software and this specific project involving the Axcient UX migration to Asio?" (Research ConnectWise and Sigma Software’s offerings).
• "How do you approach collaboration within an Agile team, especially in a remote setting?" (Highlight your communication and teamwork skills).
• "How do you stay updated with the latest trends and best practices in front-end development?"

Portfolio Presentation Strategy:

• Project Deep Dive: Select one or two key projects from your portfolio. Be ready to present them, explaining the problem statement, your technical approach, the technologies used, and the outcome.
• Code Walkthrough: Be prepared to share your screen and walk through specific code snippets, explaining your design choices, logic, and adherence to best practices.
• Problem-Solving Scenario: Demonstrate how you tackled a specific technical challenge within a project, highlighting your thought process and problem-solving skills.
• Quantify Achievements: If possible, present metrics or tangible results achieved through your work (e.g., performance improvements, reduction in bugs).

📝 Enhancement Note: Interview preparation advice is specific to a React developer role, focusing on technical depth, problem-solving approaches, and demonstrating practical experience relevant to the job description.

📌 Application Steps

To apply for this developer position:

• Submit your application through the provided link on SmartRecruiters.
• Resume Optimization: Tailor your resume to highlight your experience with React, TypeScript, JavaScript, API integration, and any relevant front-end tooling. Quantify your achievements where possible.
• Portfolio Preparation: Ensure your portfolio (e.g., GitHub profile, personal website) is up-to-date and showcases your strongest React projects, with clear descriptions and clean code.
• Technical Refresh: Review core JavaScript, React, TypeScript concepts, and common API integration patterns. Practice coding challenges related to front-end development.
• Company Research: Familiarize yourself with Sigma Software and its services, as well as ConnectWise and the Asio ecosystem, to demonstrate your interest and understanding of the project context.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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