Dotec

Dotec is a technology agency specialising in digital solutions, software engineering, E-commerce, system administration, and cybersecurity, combining experience, innovation, and technical expertise to help businesses develop, optimise, and protect their digital operations.

With industry experience dating back to 2004, Dotec was established to provide businesses with comprehensive, customised, and efficient technology solutions, simplifying technical management and allowing clients to focus on their core activities and business growth.

Founded by Daniel Jesus, a technology professional with an academic background in Cybersecurity and Systems Engineering and extensive software development experience, Dotec has evolved from a business specialising in E-commerce platforms into a multidisciplinary technology organisation capable of addressing a wide range of digital challenges.

With a corporate presence in Portugal, the United States, and Estonia, the brand develops projects for national and international clients, combining web development, IT infrastructure, cybersecurity, performance optimisation, and digital communication.

Dotec's philosophy is based on a fundamental principle: technology should simplify processes, solve problems, and create growth opportunities, never become an obstacle to business success.

Web Development & Software Engineering

One of Dotec's primary areas of expertise is the development of websites, web applications, and customised software solutions.

The company creates projects tailored to the specific requirements of each organisation, from corporate websites and institutional platforms to business applications, portals, management systems, and digital services.

Its main capabilities include:

• Custom Web Development: Design and development of websites, applications, and digital platforms tailored to individual technical and functional requirements.

• Software Engineering: Planning, architecture, development, and maintenance of technological solutions, with particular attention to code quality, security, and scalability.

• Full-Stack Development: Implementation of comprehensive applications covering user interfaces, business logic, processing services, and databases.

• System & API Integration: Development of communication mechanisms connecting platforms, enterprise applications, external services, and different infrastructures.

• Microservices & Automation: Creation of independent services and processing mechanisms designed to simplify tasks, distribute responsibilities, and improve operational efficiency.

• Open Source Development: Customisation, integration, and enhancement of solutions based on open-source technologies and platforms.

This approach enables Dotec to build flexible systems designed to evolve alongside the specific needs of each business.

E-commerce Development & Online Stores

E-commerce is one of Dotec's core areas of specialisation and experience.

Throughout its history, the company has developed, customised, and maintained online stores across different industries, working with platforms such as PrestaShop, Magento, OpenCart, WordPress, and WooCommerce, among other technologies.

Its extensive experience allows Dotec to approach E-commerce from a comprehensive perspective, considering not only the development of the online store itself but also business processes, technological infrastructure, user experience, and growth requirements.

Key E-commerce services include:

• Online Store Development: Design and implementation of E-commerce platforms tailored to each company's commercial objectives.

• PrestaShop Development: Store customisation, dedicated module development, system integration, performance optimisation, and ongoing maintenance.

• Enterprise System Integration: Communication between online stores, ERP, CRM, POS, logistics platforms, and external applications.

• Checkout Optimisation: Analysis and simplification of purchasing processes, reducing unnecessary friction and improving the customer experience.

• Internationalisation: Multilingual and multicurrency solutions, geolocation, and adaptation of business processes for different international markets.

• Inventory & Stock Automation: Development of inventory synchronisation mechanisms, multi-warehouse management, and automated data updates.

• Conversion Rate Optimisation (CRO): Analysis of customer journeys, A/B testing, usability improvements, and conversion-focused strategies.

• Continuous Maintenance & Development: Platform updates, debugging, feature development, and ongoing technical support.

Dotec focuses on developing online stores that operate as integrated business systems, combining technology, automation, and user experience.

System Administration & IT Infrastructure

System administration represents another important area of Dotec's operations, complementing software development with the management of the infrastructure supporting applications and digital services.

The company designs and implements customised architectures adapted to the size, complexity, and technical requirements of each project, aiming to balance performance, availability, security, and resource efficiency.

Its main infrastructure capabilities include:

• Server Administration: Installation, configuration, optimisation, and maintenance of Linux and Windows environments.

• Infrastructure Architecture: Planning and deployment of solutions using dedicated servers, VPS, Cloud, and distributed environments.

• Multi-Server Infrastructure: Implementation of communication mechanisms, workload distribution, and resource management across multiple servers.

• Virtualisation & Containers: Deployment of virtualised environments, Docker, and other technologies for service isolation and management.

• Database Management: Administration, maintenance, optimisation, and monitoring of data storage and processing systems.

• Traffic Management & Load Balancing: Implementation of solutions designed to improve request distribution and service availability.

• Backup & Recovery Management: Configuration, monitoring, and testing of backup and recovery systems.

• Continuous Monitoring: Monitoring of infrastructure resources, applications, services, logs, and events to proactively identify potential issues.

By combining development and infrastructure management, Dotec can approach projects from a global perspective, from application code to the servers and services required for reliable operation.

Cybersecurity & Ethical Hacking

Cybersecurity is one of the fundamental pillars of Dotec's technological approach.

Through specialised knowledge in Cybersecurity, Ethical Hacking, and Penetration Testing, the company develops solutions aimed at identifying vulnerabilities, reducing risks, and strengthening the protection of applications, servers, networks, and digital infrastructure.

Its main security capabilities include:

• Ethical Hacking & Penetration Testing: Authorised penetration testing designed to identify security vulnerabilities in systems and applications.

• Web Application Security: Analysis of application code, configurations, authentication mechanisms, and potential security weaknesses.

• Infrastructure Security: Assessment of servers, networks, services, and infrastructure configurations.

• Vulnerability Assessment: Identification, classification, and monitoring of known or newly discovered security issues.

• API Security: Evaluation of communication mechanisms, authentication, and information protection between services.

• Risk Management: Identification of threats and implementation of measures to reduce system exposure.

• Secure Software Development: Integration of security best practices throughout the Software Development Life Cycle (SDLC).

• Security Monitoring & Preventive Maintenance: Continuous analysis of events and implementation of measures to strengthen security and business continuity.

Dotec believes that cybersecurity should not be treated as a concern limited to the final stages of a project, but as an integral component of the entire development, deployment, and maintenance process.

Performance Optimisation & User Experience

Website and application performance are essential components of a positive digital experience.

Dotec develops analysis, diagnostic, and optimisation solutions aimed at reducing response times, improving resource efficiency, and delivering faster, more intuitive user experiences.

These services cover different technological components, including application code, databases, servers, caching mechanisms, Content Delivery Networks (CDNs), and external services.

Performance optimisation is closely connected to user experience (UX), potentially contributing to higher customer satisfaction, reduced abandonment, and more effective conversion and SEO strategies.

The company combines technical optimisation with expertise in UI/UX Design, Web Design, and usability testing, aiming to develop digital solutions that are efficient, functional, and visually consistent.

Digital Marketing, Communication & Branding

Dotec's multidisciplinary approach also extends to digital marketing, communication, and brand development.

The company provides solutions designed to strengthen businesses' online presence, improve visual identity, and develop communication strategies tailored to different digital channels.

Its services include:

• Web Design & UI/UX: Design of user-focused interfaces and digital experiences.

• Corporate Identity & Branding: Creation of visual elements and communication concepts for businesses and brands.

• SEO & Analytics: Search engine optimisation, traffic analysis, and interpretation of digital performance metrics.

• Digital Marketing: Development of strategies and tools for online communication and promotion.

• Email & SMS Marketing: Implementation of communication mechanisms and automated marketing campaigns.

• Social Proof & Conversion Optimisation: Tools designed to build user trust and encourage meaningful engagement.

This combination enables Dotec to develop projects where technology, design, and communication work together towards common business objectives.

Proprietary Digital Platforms & Tools

Beyond providing services to clients, Dotec also develops its own digital platforms and tools designed to simplify processes and address specific market needs.

Its technology ecosystem includes solutions for link management, profile pages, website notifications, marketing tools, and digital communication services.

Developing proprietary products represents an extension of the experience gained through customised software development, allowing recurring business requirements to be transformed into reusable tools accessible to different organisations.

This approach strengthens Dotec's ability to build not only individual websites and applications but also specialised digital products and services.

Experience & Selected Projects

Throughout its history, Dotec has participated in the development, optimisation, and maintenance of technological projects across different industries and business sectors.

Its portfolio includes companies and brands such as Brazilian Bikini Shop, Concept Fardas, Mundilar Airguns, Estado Líquido, and AddBlocco, alongside other national and international projects.

These projects cover different technological challenges, from international E-commerce platforms to multi-server infrastructures, enterprise integrations, custom development, and system optimisation.

This diversity enables the company to apply technical knowledge gained across different industries, developing solutions tailored to each organisation's individual requirements.

Technology, Customer Relationships & Continuous Evolution

Dotec's philosophy emphasises close customer relationships, understanding business processes, and developing long-term professional partnerships.

Beyond implementing technological solutions, the company aims to understand operational challenges, identify opportunities for improvement, and develop tools capable of simplifying everyday business activities.

This approach enables Dotec to support projects throughout their lifecycle, from initial planning and development to deployment, maintenance, and continuous evolution.

The combination of technical expertise, practical experience, and a comprehensive understanding of business requirements allows the company to develop solutions that balance innovation, efficiency, security, and operational sustainability.

Dotec represents an integrated approach to digital transformation, combining web development, E-commerce, software engineering, system administration, cybersecurity, performance optimisation, and digital communication.

More than simply developing websites or managing servers, Dotec focuses on creating technology solutions that solve real-world problems, simplify processes, and support business growth.

Because technology should work for businesses, not the other way around.