TCPQuest

Starting at €20 per mod, feature, or add-on, and €10 for fixes or modifications. Discounts available for multiple small tasks — prices are negotiable.

About Me I am a specialist engineer currently working at the largest company in Latin America, with broad experience in complex international projects. i speak Spanish and English, with working knowledge of Portuguese, I thrive in multicultural environments. Expertise I specialize in Java development, particularly in building and maintaining private game servers for Lineage 2 (L2J) all versios c4, interlude, h5, classic and essence. My deep knowledge includes multithreading, TCP packet manipulation, and runtime modification of Java classes through reflection and reverse engineering. Core Skills Debugging and fixing complex issues causing resource leaks (memory, CPU) Developing custom systems and AI for game servers Direct TCP packet manipulation for efficient network communication Reverse engineering and dynamic class modification for rapid adaptations Applying design patterns (Command, Strategy, State, Mediator) to create robust architectures Integrating with relational databases such as MySQL and MariaDB Git version control with GitFlow for organized development Profiling using Pyroscope and VisualVM Observability with Grafana, Datadog, and other monitoring tools Experienced with Linux, iOS, and Windows environments Looking For Passionate about gaming and development, I am opening opportunities for freelance projects. I offer flexible payment terms for clients with a strong reputation, aiming to build lasting professional relationships. If you need an experienced engineer capable of solving complex problems efficiently, I’m ready to help your project succeed. Outside of the game world, I have expertise in AWS services, distributed web systems, GoLang, C++, C, and frameworks like Angular, Vue, and React, but I’m definitely not a designer! xD If you’re interested, send me a direct message explaining what you need or the problem you’re facing, and I’ll provide you with a quote.

About Me I am a specialist engineer currently working at the largest company in Latin America, with broad experience in complex international projects. i speak Spanish and English, with working knowledge of Portuguese, I thrive in multicultural environments. Expertise I specialize in Java development, particularly in building and maintaining private game servers for Lineage 2 (L2J) all versios c4, interlude, h5, classic and essence. My deep knowledge includes multithreading, TCP packet manipulation, and runtime modification of Java classes through reflection and reverse engineering. Core Skills Debugging and fixing complex issues causing resource leaks (memory, CPU) Developing custom systems and AI for game servers Direct TCP packet manipulation for efficient network communication Reverse engineering and dynamic class modification for rapid adaptations Applying design patterns (Command, Strategy, State, Mediator) to create robust architectures Integrating with relational databases such as MySQL and MariaDB Git version control with GitFlow for organized development Profiling using Pyroscope and VisualVM Observability with Grafana, Datadog, and other monitoring tools Experienced with Linux, iOS, and Windows environments Looking For Passionate about gaming and development, I am opening opportunities for freelance projects. I offer flexible payment terms for clients with a strong reputation, aiming to build lasting professional relationships. If you need an experienced engineer capable of solving complex problems efficiently, I’m ready to help your project succeed. Outside of the game world, I have expertise in AWS services, distributed web systems, GoLang, C++, C, and frameworks like Angular, Vue, and React, but I’m definitely not a designer! xD If you’re interested, send me a direct message explaining what you need or the problem you’re facing, and I’ll provide you with a quote.