Hey there! 👋
I’m Robson Cesar de Siqueira, and I create amazing apps, softwares and games with a clean and efficient code.
Transforming ideas into great digital experiences, one line of code at a time.
12+ years
Development Experience
5+ years
Swift/Android Experience
5+ years
Java Experience
26+
Skills and Competencies
Bringing Your Ideas to Life
Mobile Engineer
Crafting seamless and responsive mobile experiences tailored to your needs. From concept to deployment, we bring your app vision to life.
Game Developer
Creating immersive and engaging game worlds with captivating gameplay. Let’s turn your ideas into experiences that players will love.
Backend Engineer
Building robust and scalable backend solutions to power your applications. Secure, efficient, and ready to support growth.
A Little About Me
I’m Robson Cesar de Siqueira, a dedicated software and game developer passionate about creating clean, efficient code and delivering exceptional user experiences. With a background in System Analysis and Development, I blend technical expertise with a strong understanding of programming principles to bring ideas to life, whether through innovative applications or immersive games. I’m committed to continuous improvement, always focusing on detail and quality in every project I take on. My goal is to craft scalable, engaging solutions that leave a lasting impact.
My Portfolio Highlights
Mobile Engineer in Bradesco
Android / iOS / Backend Developer and Tech Leader
playSTUDIOS: playAWARDS
Android / iOS Developer
Indie Game: Forgenator
Aspreite / Unity C# Developer
MSI Solutions
PHP / Java Developer
Elaborata Informatics
MySQL / Ajax / PHP / HTML / CSS / JavaScript / UML Teacher
Stefanini: HSBC
Java / Shell Script Developer
Have a Project in Mind?
Have a project in mind or just want to chat? Reach out and let’s create something amazing!
Happy Clients , Happy Me
“Beyond technical expertise”
I am pleased to recommend Robson, who has consistently demonstrated exceptional engineering skills, professionalism, and dedication in our team. During our time working together, he has proven to be an invaluable asset, consistently going above and beyond expectations.
Robson possesses outstanding technical skills, especially in SDK development, and he has a unique ability to approach complex challenges with creativity and precision. He has delivered features and fixed challenging defects that have helped stabilize our Android, iOS, and Unity SDKs. In addition, he works closely with the senior engineers to define workflows and refactor codebase.
Beyond technical expertise, Robson is a fantastic team player. Robson’s positivity, can-do attitude, and willingness to support others have greatly contributed to a productive and enjoyable team environment.
I am confident that Robson will bring the same level of excellence to any role he takes on. He is a pleasure to work with. I highly recommend Robson for any opportunities that will further challenge and leverage his remarkable talents.
Ervi Bongso
Director of Tech & Dev at PLAYSTUDIOS
Let’s Craft Your Software, App or Game Together!
Whether you’re launching your first project or looking to refine an existing product, I’ve got the perfect plan to fit your needs and budget. Let’s create something amazing together!
Freelancer per Hour
$26
Initial Consultation
Web & Mobile Development
Code Review
Unit Tests
Bug Fixing & Optimization
Full Time per Month
$4000
Initial Consultation
Web & Mobile Development
Code Review
Unit Tests
Bug Fixing & Optimization
Architecture Design
Database Management
Security Enhancements
Frequently Asked Questions
What services do you offer?
I offer a range of freelance development services, including custom software and app development, database management, API integration, bug fixing, and performance optimization. I can also assist with process automation, security improvements, UX/UI enhancements, code review, and technical consulting to help you achieve your project goals efficiently.
How much do your developer services cost?
My pricing varies based on the scope and complexity of the project. You can find detailed information on my Pricing page. For custom projects, feel free to Contact Me for a personalized quote.
How long does a project take?
The timeline depends on the complexity of the project and the specific requirements. Generally, a basic project can take about a week, while more comprehensive projects can take up to a month or more. I’ll provide a more accurate timeline during our initial consultation.
Can you work on a project with a tight deadline?
I understand that sometimes projects come with tight deadlines. I’m happy to discuss your timeline and see if we can make it work. Please reach out to me as soon as possible so we can plan accordingly.
How can I get started with a project?
Getting started is easy! Just reach out to me via my Contact page, and we can set up an initial consultation to discuss your project goals and requirements.