We are looking for an experienced Java Spring Boot developer to optimize WebSocket connections in our REST API. The goal is to handle up to 5000 concurrent users, with connections scaling up every second.
Project Requirements:
> Implement and optimize WebSocket connections for real-time communication. > Ensure efficient handling of up to 5000 concurrent users. > Optimize performance and scalability to industry standards. > Optimize API services for real-time message broadcasting to all connected users. > Provide comprehensive documentation for the implementation. > Offer maintenance support post-completion.
Technology Stack: > Backend: Java 17, Spring Boot > API: REST API > WebSockets: Persistent connection handling
Artikel Ilmiah Emas dan Bauksit -- 2 Category: Academic Writing, Article Writing, Content Writing, Environmental Science, Geology, Research Writing, Scientific Writing, Technical Writing Budget: $10 - $30 USD
23-Feb-2026 23:04 GMT
Cinematic Car Delivery Film Category: Audio Editing, Audio Services, Cinematography, Film Editing, Sound Design, Video Editing, Video Production, Video Services Budget: ₹1500 - ₹12500 INR
Removable Steel Stop Log with Rubber Seal Category: 3D Design, 3D Modelling, 3D Rendering, CAD / CAM, Manufacturing Design, Mechanical Engineering, Product Design, Prototyping, Structural Engineering, Welding Budget: $250 - $750 USD
23-Feb-2026 23:00 GMT
Medical Centre Owner Research Task Category: Data Analysis, Data Collection, Data Entry, Data Management, Excel, Research, Virtual Assistant, Web Search Budget: $2 - $8 USD
23-Feb-2026 22:57 GMT
DN250 Pipework 3D Modelling & Drawings Category: 3D CAD, 3D Design, 3D Drafting, 3D Modelling, AutoCAD, Mechanical Engineering, Revit Budget: £250 - £750 GBP
23-Feb-2026 22:56 GMT
Cinematic Car Delivery Video Category: After Effects, Cinematography, Color Grading, Film Editing, Lighting Design, Video Production, Video Services Budget: ₹12500 - ₹37500 INR
23-Feb-2026 22:56 GMT
Realistic Night Urban Cityscape Drawing Category: 2D Drawing, 2D Layout, Caricature & Cartoons, Digital Art, Graphic Design, Illustration, Photoshop Budget: min $50 USD
23-Feb-2026 22:55 GMT
Vendedor Home Office Category: Appointment Setting, B2B Marketing, CRM, Lead Generation, Leads, Sales, Telemarketing, Web Search Budget: $2 - $8 USD
