Web Developer for Dynamic E-commerce Platform Development

Freelance Project Description: Web Developer for Dynamic E-commerce Platform Development (São Paulo, Brazil)

Project Overview:

We are looking for an experienced, highly skilled freelance web developer based in São Paulo, Brazil, to join our team and help us build a dynamic, user-friendly, and highly scalable e-commerce platform. This project will involve both front-end and back-end development, integrating various payment solutions, developing user interfaces, ensuring website performance optimization, and building a robust system for product management. Our ideal candidate will have a solid understanding of web development best practices, strong problem-solving abilities, and a passion for creating seamless digital experiences.

As part of this project, you will be working closely with a team of designers, marketers, and other developers to bring our vision to life. We’re looking for someone who is self-motivated, detail-oriented, and committed to delivering high-quality results.

Key Responsibilities:

• Front-end Development:

  • Develop the user-facing side of the platform using HTML, CSS, and JavaScript (React.js or Vue.js are preferred).

  • Create responsive, mobile-first designs that offer a smooth and enjoyable experience across all devices.

  • Work closely with UX/UI designers to implement design concepts, focusing on usability, performance, and accessibility.

• Back-end Development:

  • Develop and maintain server-side logic using technologies such as Node.js, Python (Django/Flask), or PHP (Laravel), and integrate these with front-end code.

  • Build secure, efficient, and scalable APIs to support various functionalities, including product management, customer interactions, and checkout processes.

  • Implement user authentication, authorization, and data protection measures to ensure secure transactions and privacy compliance (e.g., GDPR).

• Database Management:

  • Design and implement a reliable and scalable database structure using SQL (PostgreSQL/MySQL) or NoSQL (MongoDB).

  • Optimize queries for performance and ensure data integrity across various sections of the platform.

  • Collaborate with the team to ensure the database structure meets both current and future scalability needs.

• Payment Integration:

  • Implement seamless payment gateway integrations such as PayPal, Stripe, or local Brazilian payment systems like PagSeguro or MercadoPago.

  • Ensure transactions are secure, fast, and reliable, offering multiple payment methods for users in Brazil and abroad.

• Performance Optimization & SEO:

  • Perform rigorous website performance optimization tasks, including page speed improvements, server-side performance tuning, and code minimization.

  • Ensure the platform is SEO-friendly by implementing necessary tools and features (e.g., schema markup, meta tags, alt attributes for images).

• Testing & Quality Assurance:

  • Conduct thorough testing across different browsers and devices to ensure the website functions flawlessly.

  • Troubleshoot and debug issues in collaboration with the QA team to ensure a bug-free user experience.

  • Continuously monitor the platform’s performance post-launch, addressing any bugs or issues as they arise.

• Collaboration & Communication:

  • Provide regular progress updates and work closely with the project manager to ensure the platform is developed within the specified timeline.

  • Actively participate in team meetings, brainstorming sessions, and feedback rounds.

  • Communicate effectively in both Portuguese and English, with the ability to explain technical issues to non-technical stakeholders.

Ideal Candidate:

We are looking for someone who meets the following criteria:

• Experience & Skills:

  • 3+ years of experience as a web developer, with a strong portfolio of e-commerce websites or complex web applications.

  • Proficiency in front-end technologies such as HTML5, CSS3, JavaScript (React.js, Vue.js, or Angular).

  • Strong back-end development experience with Node.js, Python, PHP, or other similar technologies.

  • Familiarity with version control systems (Git) and GitHub/GitLab/Bitbucket.

  • Experience with database systems such as PostgreSQL, MySQL, or MongoDB.

  • Knowledge of web security practices and how to implement secure systems.

  • Hands-on experience with integrating payment gateways, and familiarity with Brazilian payment methods like PagSeguro or MercadoPago is a plus.

  • Familiarity with AWS, Google Cloud, or other cloud platforms for hosting and scalability solutions.

• Soft Skills:

  • Ability to work independently and deliver high-quality work without constant supervision.

  • Strong problem-solving skills with a keen eye for detail.

  • Effective communication skills in both Portuguese and English.

  • Ability to take initiative and offer creative solutions to challenges.

  • Time management skills, with the ability to prioritize tasks and meet deadlines.

• Preferred but Not Required:

  • Experience working with e-commerce platforms like Shopify, WooCommerce, or Magento.

  • Knowledge of SEO best practices and how to implement them in web development.

  • Familiarity with Agile/Scrum development methodologies.

Project Timeline:

This is a long-term freelance project with an estimated timeline of 3-6 months, with potential for ongoing work or future updates after the initial platform launch. We aim to launch the first version of the website within three months, and after that, there will be ongoing maintenance and feature upgrades.

Location and Availability:

While the project is remote, we prefer freelancers based in São Paulo, Brazil, due to the importance of time zone alignment and the opportunity for occasional in-person meetings or collaboration. Ideally, the candidate should be available for at least 25-30 hours per week and be able to attend team meetings during working hours (Brazilian Standard Time).

Compensation:

The compensation for this project will be competitive and based on experience. We are open to discussing hourly or project-based rates, depending on the candidate’s preference. Payment will be made on a bi-weekly or monthly basis, with clear deliverables for each milestone.

How to Apply:

To apply, please send your updated resume and portfolio of previous e-commerce projects or web applications you have worked on. Include a brief cover letter explaining why you are the ideal candidate for this project, and how you can contribute to its success. Be sure to mention your hourly rate or project-based fee and your availability.

We look forward to hearing from talented developers who are ready to make an impact and help us bring this exciting project to life!