Sérgio Oliveira

CTO & Senior Full Stack Engineer
Porto, PT.

About

Highly accomplished CTO and Full Stack Developer with over 15 years of experience in architecting and delivering scalable web and mobile solutions for Portugal's largest companies, including 10 years in leadership roles. Proven expertise in developing over 500 websites and 100 applications, leveraging advanced skills in AWS, Google Cloud, Node.js, React, and React Native to drive performance, scalability, and cost-effectiveness. Adept at leading cross-functional teams, optimizing complex systems, and conceptualizing innovative platforms like Bondlayer to solve critical business challenges and deliver high-impact digital products.

Work

LOBA
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Full Stack Developer

Porto, Porto, Portugal

Summary

As a Full Stack Engineer at LOBA, led the technical transition of Bondlayer technology and ensured team readiness for achieving strategic goals.

Highlights

Led the technical transition of the Bondlayer platform, ensuring seamless integration and preparing the team to achieve defined business objectives.

Provided critical support in technological and business decision-making processes, aligning development with strategic company goals.

Ensured rigorous compliance with business development procedures, contributing to streamlined project execution and delivery.

Managed and oversaw a portfolio of web and mobile projects, maintaining high performance and reliability standards.

Developed and optimized key integrations and imports within the Bondlayer platform, enhancing its functionality and user experience.

Bondhabits
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CTO & Lead Full-Stack Developer (React, Node.js, Backend, AWS)

Porto, Porto, Portugal

Summary

Leveraged the Bondlayer platform to deliver high-performance digital solutions for major Portuguese clients, overseeing infrastructure, scaling, and complex project demands.

Highlights

Spearheaded the delivery of high-performance digital solutions for Portugal's largest clients across diverse industries, leveraging the Bondlayer platform.

Architected and scaled robust infrastructure, ensuring high reliability and efficiency for complex projects with high-demand enterprise clients.

Collaborated with multi-disciplinary teams (designers, marketers, business strategists) to implement seamless integrations and custom developments tailored to client needs.

Successfully delivered robust multilingual, data-rich, and scalable web and mobile solutions, proving Bondlayer's efficacy as a powerful no-code enterprise tool.

Developed numerous web and mobile projects for top Portuguese brands including Vodafone, NOS, Sonae, Galp, and Continente, significantly expanding market reach and digital presence.

Bondlayer
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CTO & Lead Full-Stack Developer (React, Node.js, Backend, AWS)

Porto, Porto, Portugal

Summary

Led the technical vision and development of Bondlayer, a powerful no-code platform, architecting scalable solutions for multilingual web and mobile-native applications.

Highlights

Directed the technical vision and development of the Bondlayer no-code platform for 9 years, positioning it as a strong competitor to Webflow.

Architected and implemented scalable solutions enabling users to build multilingual websites and mobile-native applications with advanced data capabilities.

Developed powerful data filtering, sorting, and search features, providing highly dynamic and customizable user experiences.

Supported complex integrations and native mobile functionalities, making Bondlayer a versatile tool for developers and designers.

Guided and mentored development teams, optimizing performance and fostering innovation to maintain Bondlayer's leadership in no-code technology.

Conceptualized and built Bondlayer as the sole developer, empowering users to create web and mobile native applications without programming knowledge.

Triglabs
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Full Stack Developer

Porto, Porto, Portugal

Summary

Developed and maintained full-stack applications, contributing to project delivery and system functionality.

Highlights

Contributed to the full development lifecycle of web applications, including frontend and backend components.

Implemented new features and maintained existing codebases, ensuring high performance and responsiveness for various projects.

Collaborated effectively with team members to troubleshoot issues and optimize application performance, reducing downtime by an estimated 10%.

AppGeneration
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Lead Developer

Porto, Porto, Portugal

Summary

Led development initiatives, guiding technical teams in creating and enhancing applications.

Highlights

Led development projects, overseeing the technical design and implementation of new applications from concept to launch.

Mentored junior developers and provided technical guidance, improving team productivity by 15% and ensuring adherence to best practices.

Managed project timelines and deliverables, ensuring efficient execution and timely completion of development tasks within budget.

Inetum
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Full Stack Developer

Porto, Porto, Portugal

Summary

Developed comprehensive full-stack solutions, contributing to various client projects.

Highlights

Designed and implemented full-stack web solutions for diverse client requirements, enhancing system capabilities and user experience.

Optimized application performance and scalability, ensuring robust and reliable system operations for critical business functions.

Collaborated with cross-functional teams to integrate new features and resolve technical challenges, improving system efficiency by 5%.

Ideias com Pernas - Creative Films
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Full Stack Developer

Porto, Porto, Portugal

Summary

Developed web applications for a creative film company, supporting digital presence and operational needs.

Highlights

Developed and maintained web applications to support the digital presence and operational needs of a creative firm.

Implemented user-friendly interfaces and robust backend functionalities, enhancing online engagement and content delivery.

Ensured efficient data management and system reliability for various creative projects, contributing to seamless operations.

Freelancer
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Full Stack Developer

Porto, Porto, Portugal

Summary

Provided independent full-stack development services, delivering custom web solutions for various clients.

Highlights

Delivered custom full-stack web development solutions for diverse clients, managing projects from conception to deployment.

Designed and implemented responsive user interfaces and scalable backend systems, meeting specific client requirements and increasing user satisfaction.

Managed client communication and project scope, ensuring successful delivery of multiple freelance engagements within agreed timelines.

Seara.com
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Web Developer

Porto, Porto, Portugal

Summary

Developed and maintained web applications, contributing to the company's digital projects.

Highlights

Developed and maintained various web applications, contributing to the company's digital presence and client projects.

Implemented new features and resolved technical issues, ensuring optimal functionality and user experience for web platforms.

Collaborated with design and content teams to deliver integrated web solutions, supporting marketing campaigns and online initiatives.

Languages

English
Portuguese

Skills

Programming Languages

JavaScript (ES5, ES6+), TypeScript, Node.js.

Frontend Development

React.js, React Native, HTML5, CSS3, Responsive Design, Single-Page Applications.

Backend Development

REST APIs, Microservices Architecture, Serverless Functions.

Cloud Platforms

AWS (EC2, S3, RDS, SQS, Lambda), Google Cloud, Firebase, Cloudflare.

Databases

PostgreSQL, JSONB, Sqlite, Redis, NoSQL Databases, Relational Databases, Non-Relational Databases.

Containerization & Orchestration

Docker, Kubernetes, Linux.

Methodologies & Tools

Scrum, Agile, CI/CD, DevOps, Code Review, Project Management, Version Control (Git).

System Design & Architecture

Scalable Architecture, Fault-Tolerant Systems, System Optimization, Microservices.

No-Code Platform Development

Bondlayer Platform Development, No-Code Solutions.

Business Acumen

Strategic Planning, Stakeholder Management, Technical Leadership, Product Development.