Linux
JDK 17 Performance Tuning Expert Needed
I'm seeking a specialist with deep knowledge of JVM internals, JDK 17 source code, and middleware technologies like Apache Kafka, RabbitMQ, and Zookeeper. Key Tasks: - Performance tuning for Garbage Collection, Memory Management, and Thread Performance... (Budget: $15 - $25 USD, Jobs: Apache Kafka, Java, Linux, Network Administration, Performance Tuning, RabbitMQ, Troubleshooting, Ubuntu)
JWT Authentication Backend Developer
I’m looking for help adding a solid, production-ready JSON Web Token (JWT) authentication layer to an existing backend and then packaging everything so it can be deployed smoothly through modern DevOps practices... (Budget: $10 - $30 USD, Jobs: Amazon Web Services, API Development, CI/CD, DevOps, Docker, Java, Linux, MySQL)
VPS Redirect for Identity Verification
I need a lean VPS-hosted service that turns a simple link sent by my bot into a full social-login identity check. When the user clicks the link, the server must instantly forward them to the chosen provider—Telegram... (Budget: $250 - $750 USD, Jobs: Debian, JSON, Linux, Node.js, Python, Telegram API, Ubuntu, VPS)
Senior Azure/Java Integration Expert for EESSI Support
(Title):Senior Azure Cloud & Java Integration Expert for EU Social Security System Support (EESSI / JINA)Περιγραφή Project (Project Description):Dear candidates,We are seeking an experienced Azure Cloud Infrastructure & Java/Integration Specialist to act as a key technical subcontractor... (Budget: €12 - €18 EUR, Jobs: Amazon Web Services, Cloud Computing, DevOps, Java, Java Spring, Linux, Microsoft Azure, PostgreSQL)
Cloud security and network configuration optimization
我正在寻找一位能够在云安全环境下完成网络配置与优化的技术伙伴。现有业务已部署在 Linux 服务器与 Docker 容器中，但随着流量增长，网络延迟与安全策略冲突开始出现。我需要你： • 评估现有云端网络架构（子网、路由、ACL、负载均衡等），找出瓶颈与潜在风险 • 制定并实施优化方案，确保通信效率提升的同时不牺牲安全性 • 在关键节点应用最佳实践（如 iptables 规则、Docker... (Budget: $15 - $25 USD, Jobs: Cloud Security, Docker, General Office, Linux, Network Administration, Network Security, Simplified Chinese Translator, System Admin)
Azure & PostgreSQL Specialist for System Support
Azure DevOps & PostgreSQL Database Expert for Enterprise System SupportΠεριγραφή Project (Project Description):We are looking for an experienced Microsoft Azure & PostgreSQL Specialist to act as a technical... (Budget: €12 - €18 EUR, Jobs: Amazon Web Services, Azure, Cloud Computing, Database Administration, Database Management, DevOps, Linux, PostgreSQL)
Bot de trading swing automatizado
Quiero automatizar mis operaciones con criptomonedas mediante un bot que ejecute estrategias de swing trading. El enfoque principal es la creación de la estrategia: definir reglas de entrada y salida, gestión de riesgo y parámetros ajustables... (Budget: $250 - $750 USD, Jobs: Algorithmic Trading, API Integration, Cryptocurrency, Linux, PHP, Software Architecture, Trading Bot Development, Ubuntu)
Complete Deployment of an Existing WooCommerce Store on OVH VPS — Preserve Approved Design
I am looking for an experienced WordPress/WooCommerce developer with Linux server administration skills to complete the installation, deployment and testing of my CBD e-commerce store, Cannora. This is an existing project with prepared source files and an approved visual design... (Budget: $30 - $250 USD, Jobs: eCommerce, HTML, Linux, PHP, Prestashop, VPS, WooCommerce, WordPress)
Tweetbig - Twitter Rocket Fuel
The Greatest Web-based Twitter Software. Tweetbig Is Like Rocket Fuel For Your Twitter Account. You Can Manage Multiple Accounts, Schedule Tweets, Post From Rss Feeds, And Find The Fastest Path To More Followers With Our Keyword And User Gathering Tools
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