Hire the Best Backend Rest API Freelancers
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Need a reliable senior full-stack developer to build, improve, or scale your web application? I’m a Senior Software Engineer with 7+ years of experience building scalable web platforms, RESTful APIs, distributed systems, and cloud-native applications using PHP, Laravel, React, AWS, Docker, SQL, Kafka, and RabbitMQ. I help businesses turn complex requirements into clean, maintainable, production-ready software. In previous projects, I designed and developed a system that managed 10,000+ policies and impacted 500+ agencies, improving operational efficiency and supporting scalable business growth. Unlike developers who simply copy and paste AI-generated code, I focus on architecture, readability, maintainability, and long-term system health. Every implementation is evaluated for performance, scalability, and future maintenance. What I can help you with • Build scalable Laravel/PHP, Python applications from scratch • Develop RESTful APIs and backend systems • Improve existing legacy applications built with Laravel, CodeIgniter, or PHP • Build modern React interfaces with Material UI or Tailwind CSS • Design SQL databases and optimize slow queries • Deploy and scale applications on AWS • Set up Docker environments and CI/CD pipelines • Implement event-driven systems using Kafka or RabbitMQ • Improve code quality using SOLID principles, clean code, and best practices • Debug performance issues, server problems, and production bugs Technical Expertise Backend: PHP, Laravel, Python, CodeIgniter Frontend: React, Material UI, Tailwind CSS, responsive UI, API integration Cloud & DevOps: AWS, Docker, CI/CD, Linux, Bash, scalable deployments Databases: SQL, database design, query optimization, high-performance data handling Messaging: Kafka, RabbitMQ, asynchronous processing, event-driven architecture Why clients work with me 🏆 Top Rated 💯 100% Job Success ⭐ 5-Star Reviews ✅ Strong problem-solving and analytical thinking ✅ Clear communication with technical and non-technical stakeholders ✅ Focus on clean, readable, and maintainable code ✅ Results-driven mindset with measurable business impact ✅ Long-term thinking, not quick fixes I’m open to long-term collaborations, complex backend systems, SaaS platforms, API development, cloud deployments, and challenging full-stack projects.

🌟 Projects delivered with up to a 70% reduction in operational costs. ⏱️ Refactoring that improved performance by 50%. 🥇 Top 3% of Upwork Talent. 🏆 10+ years of Backend Developer experience. My clients receive high-quality, scalable, and production-ready software solutions, boosting their business efficiency and profitability. This gives them a competitive edge and paves their way towards becoming market leaders. 𝐍𝐞𝐞𝐝 𝐞𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞, 𝐇𝐢𝐠𝐡-𝐈𝐦𝐩𝐚𝐜𝐭 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬? 𝐇𝐞𝐫𝐞'𝐬 𝐰𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐨𝐟𝐟𝐞𝐫: ✔️ API development for seamless integration across platforms. ✔️ Third-party API integration with any external services. ✔️ Custom automation systems built from the ground up for your business processes. ✔️ Cloud infrastructure tailored to your specific requirements and growth plans. ✔️ Scalable database architecture designed for high performance. ✔️ Real-time monitoring and analytics with custom or commercial dashboards. ✔️ Complete CI/CD pipelines automating testing, deployment, and notifications. ✔️ Comprehensive testing coverage including unit, integration, and end-to-end scenarios. 𝐈 𝐜𝐚𝐧𝐧𝐨𝐭 𝐡𝐞𝐥𝐩 𝐞𝐯𝐞𝐫𝐲𝐛𝐨𝐝𝐲, 𝐛𝐮𝐭 𝐰𝐞 𝐦𝐚𝐲 𝐛𝐞 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐟𝐢𝐭 𝐢𝐟 𝐲𝐨𝐮 𝐚𝐫𝐞 𝐭𝐡𝐢𝐧𝐤𝐢𝐧𝐠: ● "I need a solution that I can trust 100% to solve our problems RIGHT.” ● "We have ambitious goals and need a solution architect who can build scalable solutions to match our growth.” ● "I'm not satisfied with out-of-the-box applications. We need an expert who can build custom applications to meet our requirements.” ● "We're willing to invest in premium solutions that adhere to the highest industry standards. That’s why we need the BEST developers who place a premium on quality.” 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐦𝐞, 𝐲𝐨𝐮 𝐰𝐢𝐥𝐥: 🔸 Save money with maintainable, well-architected code that's cheaper to scale and extend than rebuilding from scratch. 🔸 Focus on growing your business while I handle all technical complexities and challenges. 🔸 Have a reliable partner committed to flawless execution, on-time delivery, and transparent communication. 🔸 Get comprehensive support and warranty on every delivered project. I stand behind my work. 🔸 Scale faster with solutions designed for long-term growth and adaptability to changing business needs. 🟢 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐓𝐚𝐤𝐞 𝐭𝐡𝐞 𝐍𝐞𝐱𝐭 𝐒𝐭𝐞𝐩? I'm here to help you succeed. Share your project requirements or technical challenges, and I'll provide honest feedback on the best path forward. Looking forward to connecting! 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 & 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞: Node.js, TypeScript, JavaScript, NestJS, Express.js, Fastify, AWS, Terraform, CloudFormation, PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, RESTful APIs, GraphQL, OpenAPI, Auth0, AWS Cognito, OIDC, CASL, Docker, Kubernetes, EKS, ECR, GitHub Actions, CI/CD, Vitest, Jest, ESLint, Prisma, AWS Lambda, EC2, API Gateway, VPC, Load Balancer, IAM, KMS, S3, CloudFront, Route 53, SQS, SNS, EventBridge, SES, CloudWatch, X-Ray, Athena, Stripe, Google APIs, AWS Chatbot, Infrastructure as Code, Microservices, Serverless Architecture, Backend Development, API Development, API Integration, Database Design, Cloud Architecture, DevOps, Testing, Software Development, Solution Architecture

⭐ 25 years as a professional software developer ⭐ Specialized in full-stack (backend heavy) apps with Node.js & React ⭐ Expert in building fast scripts with JavaScript and Python ⭐ Passionate about web scraping and data automation ⭐ Advanced skills in generating dynamic Excel reports ⭐ Strong background across public, academic, and enterprise sectors ⭐ Committed to delivering smart, scalable, and timely solutions ⭐ Experience working on projects in Brazil, the United States, Canada and New Zealand. With 25 years of full-time experience as a Systems Analyst and Software Developer🧑‍💻, I'm now starting my journey as a freelancer, offering both long-term full-stack development and short-term solutions tailored to client needs. Over the past four years, I've been specializing in full-stack web development using Node.js and React, building scalable and high-performing applications. But I'm also deeply passionate about solving quick, practical problems through custom scripts, especially using JavaScript and Python. I have extensive experience creating powerful web scrapers and transforming raw data into structured Excel tables for business use. Throughout my career, I've worked across diverse sectors including public infrastructure, transportation, education, healthcare, and technology R&D. Some highlights include: - Leading the development of a highway maintenance system for DNIT at LabTrans (UFSC) - Building a cloud cost monitoring system using AWS at UNICAMP's Center for Petroleum Studies - Developing a budget management system for IBM US while working with their New York-based team I'm results-driven, adaptable, and value clear communication and quality delivery. Whether you need a robust web application, a fast automation script, a custom data scraper, or well-formatted Excel reporting, I'm ready to help. Although I currently hold a full-time position as a Full-Stack Developer during standard business hours (Monday through Friday), I've organized my schedule to dedicate 30 hours per week exclusively to freelance projects. I split this time between evenings on weekdays and weekends, ensuring that my focus and performance remain uncompromised. This balanced approach allows me to consistently deliver high-quality work to both my full-time employer and my freelance clients. I take pride in managing my time efficiently to meet deadlines and maintain clear, reliable communication throughout every project. Let's connect🤝 and make your project a success!📈

Is your game or brand visually telling the story it deserves? I help brands and game studios translate ideas into powerful visuals, combining creativity and strategy to build designs that truly connect with audiences. Whether it’s crafting immersive game assets, creating sleek branding, or translating content for global impact, my goal is to make your project not just look good, but feel unforgettable. Each design I create blends aesthetic appeal with purpose, ensuring your visual identity, game world, or content stands out and communicates clearly. Here’s how I can support your project: – Graphic Design: brand identity, digital assets, and marketing visuals – Game Design: concept art, UI/UX for games, and immersive storytelling – Content Creation: visual content aligned with strategy – Creative Planning: from concept to polished execution – English ↔ Portuguese Translation: accurate, clear, and culturally adapted My work is rooted in clarity, consistency, and creativity. I don’t just “make visuals” I design experiences that strengthen your brand, elevate your game worlds, and help your content speak across languages. TECHNICAL SKILLS ✓ Design Tools: Adobe Photoshop, Illustrator, Figma, Canva Pro ✓ Game Tools: Unity, Unreal Engine (basic), Character & Level Design ✓ Translation: English ↔ Portuguese (marketing, games, documents) ✓ Visual Storytelling: UI/UX, concept art, mockups ✓ Creative Workflow: Notion, Trello, Google Workspace ✓ AI Creative: ChatGPT, MidJourney, Stable Diffusion, Canva AI If you’re ready to upgrade your brand identity, bring your game concept to life, or adapt your content to new markets, let’s talk!

✨ 100% Job Success, 3243+ hours worked, Top Rated Plus - Python (Django and more) Software Engineer | Azure Certified | Full-Stack Web & API Developer | 15+ Years of Expertise ✨ Bringing your vision to life with precision and innovation. I am a highly skilled and versatile software engineer with over a decade of experience in building scalable, secure, and optimized web applications and APIs. I excel in both frontend and backend development, delivering robust, user-centric solutions that align with your business needs. Core Skills & Expertise: Backend Development: Python (Django, FastAPI), Node.js Frontend Development: JavaScript (React, Vue), HTML5, CSS3 Full-Stack: Django, Flask, Full Software Development Lifecycle (SDLC) DevOps & Infrastructure: Docker, AWS (EC2, S3, Lambda), Azure DevOps, CI/CD pipelines Version Control & Collaboration: Git, GitHub, Bitbucket Database Management: PostgreSQL, MySQL, MongoDB API Development: RESTful APIs, GraphQL, WebSockets What I Bring to the Table: Custom Web Applications & APIs: Design, build, and scale custom solutions tailored to your needs. Application Modernization: Upgrade legacy systems with modern technologies and best practices. Scalable Backend Systems: Architect secure, efficient backends for enterprise-grade applications. Automated Deployments: Implement CI/CD pipelines to streamline infrastructure and code deployment. Collaborative Approach: Work closely with clients and teams, ensuring transparency and alignment. Why Work With Me? Proven Track Record: Over 10 years of delivering successful projects across industries. Strong Communication: Clear, consistent updates to keep you involved in the process. Problem Solver: Innovative, out-of-the-box solutions for complex challenges. Results-Oriented: Focused on achieving your project goals with high-quality outcomes. Client-Centric: I prioritize your vision and ensure it reflects in the final product. Let’s take your project from concept to reality. Reach out, and we’ll make it happen!

I build backend systems, APIs and SaaS applications using Python frameworks like FastAPI and Flask. I focus on delivering solutions that are reliable, scalable and built to handle real-world usage. My experience includes developing multi-tenant systems with proper data isolation, structured APIs and backend architectures designed for stability and growth. I can help you: Build complete web applications (frontend + backend) Develop SaaS platforms from scratch Build or improve backend systems Develop and structure REST APIs Fix bugs and optimize existing code Design clean and maintainable architectures I have worked on real projects used in production environments, which means I understand the importance of writing code that works beyond just development. Tech stack: Python, FastAPI, Flask, REST APIs, MongoDB, SQL, Docker, Git, Postman, React, JAVA, C++ If you need a backend developer who can understand your requirements and deliver a working solution without unnecessary complexity, I’m ready to help.