Lélio Cossa Email & Phone Number

Almada, Pt

Maputo City, Mozambique

– Developed innovative product concepts and prototypes, resulting in a 30% increase in user engagement and a 20% decrease in customer support tickets.– Led a team in developing a high-performance web application using cutting-edge technologies. This resulted in a 50% improvement in website performance, which had a positive impact on the user experience.– Collaborated cross-functionally with engineering and marketing teams to successfully launch three new product features ahead… Show more – Developed innovative product concepts and prototypes, resulting in a 30% increase in user engagement and a 20% decrease in customer support tickets.– Led a team in developing a high-performance web application using cutting-edge technologies. This resulted in a 50% improvement in website performance, which had a positive impact on the user experience.– Collaborated cross-functionally with engineering and marketing teams to successfully launch three new product features ahead of schedule, generating a 15% increase in monthly revenue.– Conducted user research and usability testing to identify pain points and improve the user experience, resulting in a 25% decrease in user churn and a 10% increase in customer satisfaction.– Led the development and implementation of a design system, improving collaboration and efficiency among designers and developers, and reducing design production time by 20%.– Implemented Agile software development methodologies in a large-scale software development project. The implementation of Agile methodologies resulted in a 30% reduction in project delivery time, which improved customer satisfaction by 15%. The Agile methodologies also helped to improve communication and collaboration between the development team and the customer, which resulted in a more successful project overall.– Implemented a new SQL database system that addressed the challenges of slow data retrieval and limited storage capacity. The new system included features such as an optimized query engine and a distributed data storage system. This resulted in a 40% improvement in data retrieval efficiency.– Working closely with stakeholders, engineers, and product managers to align on design goals and effectively communicate concepts. Fostering a collaborative work environment. Show less

Maputo, Mozambique

– Increased user engagement by 20% and overall user satisfaction by 15% through the design of innovative user interfaces for web applications.– Developed and implemented a scalable backend architecture that was able to handle the increasing demands of the cloud-based SaaS platform. This architecture enabled seamless integration with third-party APIs and reduced system downtime by 30%.– Led cross-functional teams in Agile software development processes, which resulted in the… Show more – Increased user engagement by 20% and overall user satisfaction by 15% through the design of innovative user interfaces for web applications.– Developed and implemented a scalable backend architecture that was able to handle the increasing demands of the cloud-based SaaS platform. This architecture enabled seamless integration with third-party APIs and reduced system downtime by 30%.– Led cross-functional teams in Agile software development processes, which resulted in the timely delivery of high-quality products. This led to a 25% reduction in time-to-market.– Streamlined the codebase in a high-traffic application that was experiencing performance issues. The streamlining process involved identifying and removing redundant code, refactoring code for improved readability and maintainability, and optimizing database queries. This resulted in a 45% reduction in load time, which improved the user experience and reduced the number of abandoned sessions.– Conducted extensive user research and usability testing, which led to the identification of and implementation of design improvements that decreased user errors by 10% and increased product adoption by 20%. Show less

Maputo, Mozambique

– Managed and executed over 50 outdoor digital campaigns, resulting in an average increase of 30% in brand visibility and customer engagement.– Increased organic website traffic by 60% within six months through the implementation of effective SEO strategies.– Achieved a 40% improvement in website ranking on major search engines like Google, Bing, and Yahoo through keyword optimization and quality backlinking.– Reduced website bounce rate by 15% by improving website… Show more – Managed and executed over 50 outdoor digital campaigns, resulting in an average increase of 30% in brand visibility and customer engagement.– Increased organic website traffic by 60% within six months through the implementation of effective SEO strategies.– Achieved a 40% improvement in website ranking on major search engines like Google, Bing, and Yahoo through keyword optimization and quality backlinking.– Reduced website bounce rate by 15% by improving website navigation and user experience, based on SEO best practices. Show less

Maputo, Mozambique

– Led the development of a new front-end interface that increased user engagement by 30% and decreased bounce rate by 20%.– Led a team of developers in redesigning the company's website, improving performance and loading speed by 40%, which led to increased user satisfaction.– Developed a responsive website design that addressed the challenges of small screen sizes and slow data connections. The design included features such as a mobile-friendly navigation bar, a simplified… Show more – Led the development of a new front-end interface that increased user engagement by 30% and decreased bounce rate by 20%.– Led a team of developers in redesigning the company's website, improving performance and loading speed by 40%, which led to increased user satisfaction.– Developed a responsive website design that addressed the challenges of small screen sizes and slow data connections. The design included features such as a mobile-friendly navigation bar, a simplified layout, and larger text. This resulted in a 60% increase in mobile traffic.– Reduced bug reports by 50% and improved website functionality by 25% by implementing coding practices that improved code readability, maintainability, and testability.– Collaborated with designers and developers to ensure that the website was seamlessly integrated and compatible with different browsers, resulting in a consistent user experience across platforms. Show less

Maputo, Mozambique

– Increased customer engagement by 30% and reduced bounce rate by 20% by implementing a custom theme and plugins that enhanced the user experience.– Increased organic traffic by 40% and improved search engine rankings by 35% by optimizing online store for SEO using keyword research, content optimization, and technical SEO best practices.– Automated various business processes by integrating third-party applications to store, saving stakeholders an average of 15 hours per… Show more – Increased customer engagement by 30% and reduced bounce rate by 20% by implementing a custom theme and plugins that enhanced the user experience.– Increased organic traffic by 40% and improved search engine rankings by 35% by optimizing online store for SEO using keyword research, content optimization, and technical SEO best practices.– Automated various business processes by integrating third-party applications to store, saving stakeholders an average of 15 hours per week.– Ensured smooth and uninterrupted operation of store by troubleshooting and resolving over 100 technical issues in a timely and efficient manner, maintaining a 98% client satisfaction rate. Show less

Maputo City, Mozambique

– Streamlined the UI/UX design process, resulting in a 20% increase in user satisfaction, a 15% decrease in customer support inquiries, a 20% improvement in customer satisfaction for the mobile and POS application, and a 15% reduction in customer support costs, leading to increased revenue and efficiency.– Led a cross-functional team of designers and engineers to successfully launch a mobile application that was downloaded over 3,000 times in its first year, exceeding… Show more – Streamlined the UI/UX design process, resulting in a 20% increase in user satisfaction, a 15% decrease in customer support inquiries, a 20% improvement in customer satisfaction for the mobile and POS application, and a 15% reduction in customer support costs, leading to increased revenue and efficiency.– Led a cross-functional team of designers and engineers to successfully launch a mobile application that was downloaded over 3,000 times in its first year, exceeding expectations.– Conducted extensive user research and usability testing to identify pain points and improve the overall user experience, resulting in a 25% decrease in user abandonment rate and a 10% increase in user satisfaction.– Collaborated with product managers and stakeholders to define product requirements, successfully delivered multiple iterations of mobile applications that exceeded client expectations and generated positive user feedback. Show less

Maputo, Mozambique

– Developed and delivered engaging product design workshops, increasing student participation and satisfaction by 20%.– Implemented a hands-on teaching approach using real-world examples, improving student understanding of design concepts by 25%.

Maputo, Mozambique

– Increased online conversions and customer engagement by 30% for over 20 clients by designing and developing responsive and visually appealing websites.– Streamlined business processes and reduced operational costs by 25% for clients by implementing custom software solutions.– Increased online sales and revenue by 35% for clients by developing and integrating e-commerce functionality into websites.– Increased customer satisfaction by 30% by collaborating with… Show more – Increased online conversions and customer engagement by 30% for over 20 clients by designing and developing responsive and visually appealing websites.– Streamlined business processes and reduced operational costs by 25% for clients by implementing custom software solutions.– Increased online sales and revenue by 35% for clients by developing and integrating e-commerce functionality into websites.– Increased customer satisfaction by 30% by collaborating with stakeholders to translate business goals into effective web design and software solutions.– Reduced bugs by 20% and improved overall system stability by conducting thorough testing and debugging of software applications, resulting in a more reliable and user-friendly experience for customers. Show less