Freelancers for hire in Brazil
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Hire carlosd178
I’m a results-driven full-stack developer with strong expertise in modern front-end frameworks and backend technologies. I specialize in building elegant, scalable web applications using React, Next.js, Vue, Nuxt, and Tailwind CSS, while delivering robust server-side solutions with Laravel, NestJS, Django, FastAPI and...I’m a results-driven full-stack developer with strong expertise in modern front-end frameworks and backend technologies. I specialize in building elegant, scalable web applications using React, Next.js, Vue, Nuxt, and Tailwind CSS, while delivering robust server-side solutions with Laravel, NestJS, Django, FastAPI and Node.js. My experience includes creating interactive 3D experiences with Three.js and developing decentralized applications powered by Web3 and smart contracts. I enjoy translating complex requirements into clean, efficient code and intuitive user experiences. With a focus on performance, maintainability, and best practices, I help businesses launch high-impact digital products, from responsive websites to blockchain-based platforms, on time and at scale. less -
Hire cleitondev02
I'm Cleiton Carvalho, a Software Engineer with over 15 years of experience in Information Technology, specializing in backend development, API integrations, business automation, and custom software solutions. Throughout my career, I have delivered projects for clients in Brazil, Portugal, Germany, Spain, Switzerland,...I'm Cleiton Carvalho, a Software Engineer with over 15 years of experience in Information Technology, specializing in backend development, API integrations, business automation, and custom software solutions. Throughout my career, I have delivered projects for clients in Brazil, Portugal, Germany, Spain, Switzerland, and the United States, helping businesses automate operations, integrate systems, and improve productivity through reliable software solutions. My experience includes integrating platforms such as Shopify, Bling ERP, Tiny ERP, Kommo CRM, Bitrix24, Jobber, Quo, Xero, Google Sheets, and WordPress, as well as developing custom systems, AI-powered applications, and business automation solutions using Python, n8n, Codex, and Lovable. I have delivered over 30 business automation projects for Brazilian companies and built more than 100 websites using WordPress, Lovable and Codex for clients in Portugal. Most recently, I completed a Freelancer.com project worth over US$5,000 involving Jobber, Xero, Quo, and Google Sheets for an American client, earning a 5-star review. Besides client work, I actively create technical content through my YouTube channel and technical blog, where I share practical tutorials on API integrations, automation, AI, and business systems. If you're looking for a reliable engineer to integrate systems, automate business processes, or build scalable backend solutions, I'd be happy to help. less -
Hire igorc666
Architect with a degree in Architecture and a passion for designing spaces that shape how people live, work, and connect. I work across the full project lifecycle—from concept development, feasibility studies, and master planning to design development, construction documentation, and site supervision—transforming...Architect with a degree in Architecture and a passion for designing spaces that shape how people live, work, and connect. I work across the full project lifecycle—from concept development, feasibility studies, and master planning to design development, construction documentation, and site supervision—transforming ideas into functional, inspiring, and buildable spaces. My core strengths span architectural design, space planning, and 3D modeling using AutoCAD, Revit, SketchUp, Rhino, and ArchiCAD, along with rendering and visualization tools like Lumion, V-Ray, Enscape, and Adobe Creative Suite (Photoshop, Illustrator, InDesign). I have hands-on experience with BIM workflows, parametric design (Grasshopper), and drafting detailed working drawings, sections, and elevations. I bring a solid foundation in building codes and regulations, construction technology and materials, structural systems, building services coordination (MEP), and site analysis. I'm well-versed in sustainable and green building design, passive design strategies, energy-efficient systems, and LEED principles, as well as interior design, landscape integration, and urban design fundamentals. Beyond technical skills, I enjoy solving complex spatial, functional, and structural challenges—balancing aesthetics, budget, and buildability. I collaborate closely with structural and MEP engineers, contractors, consultants, and clients, and I'm experienced in project presentations, client communication, design reviews, and preparing tender and permit documentation. I'm committed to continuous learning and staying current with emerging areas like computational design, AI in architecture, smart buildings, modular and prefab construction, and net-zero design. Always open to connecting with fellow architects and design professionals, and exploring new opportunities to create spaces that make a difference. less -
Hire melopgabriel
I'm a Full-Stack Web, Mobile, Blockchain & AI Expert with extensive experience building modern, scalable, and high-performing digital products from concept to deployment. I specialize in building AI-powered chatbots and conversational agents — from customer support and lead-qualification bots to RAG-based knowledge...I'm a Full-Stack Web, Mobile, Blockchain & AI Expert with extensive experience building modern, scalable, and high-performing digital products from concept to deployment. I specialize in building AI-powered chatbots and conversational agents — from customer support and lead-qualification bots to RAG-based knowledge assistants — integrating LLM APIs (OpenAI, Claude) into production-ready backends. I help startups, agencies, and businesses transform ideas into production-ready applications by combining clean development practices with the latest AI and automation technologies. Whether you need a custom web platform, mobile application, AI-powered solution, or workflow automation, I deliver reliable, maintainable solutions focused on performance, scalability, and user experience. ⭐⭐⭐⭐⭐What I can help you with ⭐ AI Chatbots & AI Agents ⭐ AI Integration (OpenAI, Claude, Gemini, LangChain, MCP) ⭐ Workflow Automation (n8n, Make.com, Zapier) ⭐ Full-Stack Web Development (React, Next.js, Vue.js, Laravel, Node.js, PHP) ⭐ REST APIs & Third-Party API Integrations ⭐ Mobile App Development (React Native, Flutter, Android, iOS) ⭐ Database Design (PostgreSQL, MySQL, Supabase, Firebase) ⭐ Blockchain Development (Solidity, Go, Flutter) and ICO handling ⭐ WordPress & WooCommerce Development ⭐ Shopify Store Development & Customization ⭐ AWS, Vercel, DigitalOcean & Cloud Deployments ⭐ Performance Optimization & Bug Fixing ⭐⭐⭐⭐⭐Why clients work with me ⭐ Clean, scalable, and well-documented code ⭐Strong communication and regular progress updates ⭐ Detail-oriented with a focus on quality ⭐Fast turnaround without compromising reliability ⭐Long-term support after project delivery ⭐Problem-solving mindset for complex technical challenges I believe great software is more than just writing code—it's about understanding business goals and building solutions that create measurable value. I take ownership of every project and work closely with clients to ensure the final product exceeds expectations. If you're looking for a dependable developer who can build, improve, or automate your business with modern web, mobile, blochain and AI technologies, I'd be happy to discuss your project. less -
Hire joaov210
✔️Verified✔️ Versatile Software Engineer with expertise in AI-powered applications, web and mobile development, backend engineering, and data solutions. Experienced in designing and building scalable, production-ready applications that combine modern AI technologies, robust backend systems, and data-driven...✔️Verified✔️ Versatile Software Engineer with expertise in AI-powered applications, web and mobile development, backend engineering, and data solutions. Experienced in designing and building scalable, production-ready applications that combine modern AI technologies, robust backend systems, and data-driven architectures. Additionally experienced in PHP and Laravel, Modern building and maintaining backend systems, RESTful APIs, and web & mobile applications. Skilled in designing scalable server-side architectures, integrating third-party services, and supporting data-driven features within full-stack applications. Solid background in ETL/ELT processes, extracting data from APIs, relational databases, and files (Parquet/CSV), transforming data with PySpark/Spark, and designing semantic and analytical layers for BI and data-driven applications. Experienced in building robust data architectures, automating infrastructure with Terraform and Cloud Functions, and applying data engineering best practices. Hands-on experience building data pipelines on Azure Databricks, as well as developing Python APIs to serve Machine Learning model outputs directly from NoSQL databases. Led the evolution of this solution into an inference-focused API, capable of interpreting request data and applying heuristics by combining model inference with rule-based logic sourced from external databases. Experience structuring data for Business Intelligence using Cube.js, Metabase, Looker, and Superset, ensuring reliable, well-modeled data for analysis and visualization. Core Skills: AI & Machine Learning: Python, AI Applications, ML Integration, Model Inference, Intelligent APIs Web & Backend: PHP, Laravel, Python, RESTful APIs, Scalable Backend Architecture Mobile & Full-Stack: Web Applications, Mobile Applications, Third-Party Integrations Data & Cloud: GCP, Azure, Databricks, PySpark, ETL/ELT, Data Pipelines, NoSQL Analytics & Infrastructure: Terraform, Cube.js, Looker, Metabase, Superset Passionate about building intelligent, scalable, and data-driven software solutions that connect AI, cloud infrastructure, modern web and mobile technologies, and robust backend engineering. less -
Hire itazedo
I am a network administrator with a degree in Information Security, bringing nearly 20 years of experience in computer networks, virtualized environments, and Linux systems. My expertise spans a wide range of technologies, from VPN and security configurations to network virtualization, cloud infrastructure, and IT...I am a network administrator with a degree in Information Security, bringing nearly 20 years of experience in computer networks, virtualized environments, and Linux systems. My expertise spans a wide range of technologies, from VPN and security configurations to network virtualization, cloud infrastructure, and IT service operations. My Specialties: Designing and implementing medium and large-scale enterprise networks to ensure scalability, security, and optimal performance. Expertise in pfSense and OPNsense for firewall, VPN, L2TP, IPSec, DHCP, DNS, NAT, and other network services. Proficient in WireGuard VPN for secure, high-performance connections in diverse environments. In-depth knowledge of XCP-NG and Proxmox VE for virtualization, container management, and cloud infrastructure. Extensive experience with Oracle Linux, ensuring stable and secure enterprise Linux environments. Skilled in FreePBX (VOIP) and IVR (Interactive Voice Response) solutions for scalable voice services. Advanced understanding of switching technologies, including VLANs, TRUNK, LACP, and other essential network protocols. Integration and management of Kimai time tracking system for accurate activity billing and productivity monitoring. Implementation and customization of Zammad helpdesk system for streamlined support and ticketing workflows. Configuration and deployment of Ubiquiti equipment (UniFi, EdgeRouter, airMAX, UISP) for reliable wireless backhauls, point-to-point links, and enterprise-grade Wi-Fi solutions. Skills and Hands-on Experience: Proficient in working with Cisco routers and switches, ensuring high availability and network optimization. Experience with Synology NAS for network storage solutions. Expertise in AWS Lightsail, including cost optimization for EC2, Route53, RDS, VPC, Gateway, Load Balancer, and VPN setup. Oracle Cloud Infrastructure (OCI): Deployment and management of compute instances, VCNs, subnets, Internet Gateways, routing, security lists, and firewall policies, enabling secure, high-performance cloud-based infrastructures. Strong capabilities in network documentation to provide detailed, accurate infrastructure layouts for management and troubleshooting. less -
Hire samirsauma
I architect and deliver secure, enterprise-grade SaaS platforms with a focus on scalability, performance, and GDPR compliance. Over the years, I’ve built systems that enable clients to operate with confidence — because in technology, trust is the glue that holds every partnership together. My work goes beyond writing...I architect and deliver secure, enterprise-grade SaaS platforms with a focus on scalability, performance, and GDPR compliance. Over the years, I’ve built systems that enable clients to operate with confidence — because in technology, trust is the glue that holds every partnership together. My work goes beyond writing code. I partner with clients from the discovery phase (understanding requirements, compliance needs, and business objectives) through to system architecture, development, deployment, and long-term support. Each delivery includes structured documentation, CI/CD pipelines, and observability to ensure that systems remain reliable under real-world conditions. My expertise combines Node.js, Redis, PostgreSQL, Docker, and Kubernetes to design infrastructures that are not only performant, but also resilient, auditable, and future-proof. I believe excellence is not a one-time achievement — excellence is a habit, the result of what we consistently do. That mindset drives every line of code, every architecture decision, and every deployment I deliver. Recently, I developed a $6,000+ Internal SaaS Accounting Request Platform for a French client, who rated me 5.0 ⭐️ and described me as their “#1 freelancer in 12 years on this platform.” Beyond the numbers, what matters most is that clients can rely on me to transform complex requirements into sustainable systems — because without data, all we have are opinions. Tech Stack Backend & Languages – Node.js, TypeScript, Fastify, Express.js, WebSocket, REST, AMQP (RabbitMQ), Redis Streams Infrastructure & Databases – PostgreSQL, Redis, Docker, Kubernetes (HPA, Helm, Calico), Systemd, NGINX, PM2 Security & Networking – WireGuard, OpenVPN, FortiVPN, iptables, ip rule, PBR, UFW, Fail2Ban, DNS leak protection, Linux netns (namespaces + veth) Frontend & UX – React.js, HTML5, CSS3 (responsive, modular, i18n-ready) Blockchain & Web3 – Solidity, Web3.js, WalletConnect v2, Chainlink, IPFS, Smart Contracts CI/CD & Observability – GitHub Actions, Prometheus, Grafana, logging pipelines, automated release workflows How I Work Clients trust me because I combine deep technical expertise with disciplined delivery practices. Every project follows a proven cycle: Requirements & architecture design Infrastructure provisioning & automation Secure coding & integration CI/CD pipeline setup with testing & rollback Observability & monitoring (metrics, logging, alerting) Knowledge transfer, documentation, and long-term support Though I work independently, I deliver with the rigor and reliability of a full engineering team. From real-time APIs to Kubernetes clusters, every solution is designed with the principle that responsibility outweighs privilege. As Peter Drucker once said: "Rank does not confer privilege or give power. It imposes responsibility." This principle guides my work — every project, every client, every line of code. less -
Hire jessicanandes
From concept development and space planning to 3D modeling, technical documentation, and photorealistic visualization, I can support your project at the stage where you need it most. I work with architects, interior designers, homeowners, and developers on residential and commercial projects, helping turn ideas,...From concept development and space planning to 3D modeling, technical documentation, and photorealistic visualization, I can support your project at the stage where you need it most. I work with architects, interior designers, homeowners, and developers on residential and commercial projects, helping turn ideas, floor plans, and design concepts into cohesive, functional, and visually compelling spaces. With over 6 years of experience in interior design and 3D visualization, I can adapt to your workflow, design standards, and project requirements. Services I Offer: ✅️ Interior design concepts and mood boards ✅️ Space planning and furniture layouts ✅️ Kitchen and bathroom design ✅️ Custom millwork and cabinetry design ✅️ Construction drawings and technical documentation ✅️ 3D modeling and renderings ✅️AI-assisted concept visualization and design development Software: 3ds Max + Corona Renderer | SketchUp + V-Ray or D5 | AutoCAD | SketchUp Layout | Revit | Rayon Have a project in progress or just an idea you'd like to develop? Send me the floor plan, brief, or project details, and let's discuss how I can contribute to the next stage. less less -
Hire blasto2
Portuguese Translator, Portuguese (Brazil) Translator, Translation, English (US) Translator, Spanish TranslatorHi! I'm Brazilian and I have been working as English-Portuguese and Spanish-Portuguese translator since 2006. Over the years, I have worked with individual clients and agencies around the world in several areas of knowledge and different medias, such as websites, mobile apps, manuals, technical material, financial...Hi! I'm Brazilian and I have been working as English-Portuguese and Spanish-Portuguese translator since 2006. Over the years, I have worked with individual clients and agencies around the world in several areas of knowledge and different medias, such as websites, mobile apps, manuals, technical material, financial markets, Forex, cryptocurrencies, legal documents, contracts, marketing material, etc. I also have a Bachelor's Degree in Information Systems / Translation and a great experience with mobile apps, web development and technology content in general, so I can handle coding, HTML tags and any IT-related material. I can work with strict deadlines and I'm constantly available to chat and discuss any details with my clients. I'm a Top Rated freelancer with a lot of long term clients, so I can guarantee full commitment and a high quality job at all times. less -
Hire elbr
I’m a music producer and audio engineer specialized in turning ideas into professional, release-ready tracks. Since 2021, I’ve been working with artists from Brazil, the US, and Europe across different genres. My main focus is mixing and mastering, where I apply precision, clarity, and attention to detail to deliver...I’m a music producer and audio engineer specialized in turning ideas into professional, release-ready tracks. Since 2021, I’ve been working with artists from Brazil, the US, and Europe across different genres. My main focus is mixing and mastering, where I apply precision, clarity, and attention to detail to deliver a clean and balanced sound. I also have strong experience in beat production, vocal recording and editing, and song arrangement, which allows me to support the entire creative process, from the first idea to the final master. My goal is always to enhance the artist’s vision while making the track sound competitive on all platforms. If you’re looking for someone who understands both the technical and creative side of music, I can help bring your track to the next level. less
