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Database DevOps Engineer | CI/CD & ETL Automation I am a Database DevOps Engineer specializing in the automation of mission-critical data environments. I bridge the gap between Infrastructure and Data by implementing CI/CD for Databases, building high-performance ETL pipelines, and managing enterprise-grade Oracle PL/SQL stacks. I transform manual database operations into version-controlled, automated workflows. ✔️ Technical Stack Database DevOps (DataOps): Automating schema migrations using Liquibase/Flyway via GitHub Actions & Jenkins. Infrastructure as Code: Provisioning and scaling database environments with Terraform & Ansible. ETL & Data Engineering: Designing high-volume data pipelines; expert SQL & PL/SQL performance tuning. Cloud & Containers: Scaling stateful workloads using Docker & Kubernetes. Observability: Monitoring pipeline health and DB performance via Prometheus, Grafana, & ELK. ✔️ Enterprise Experience (Safaricom Telecom) Managed high-availability infrastructure for MPESA and core BSS/CRM systems. Automated real-time transaction monitoring and anomaly detection using Python & Bash. Ensured 99.99% uptime for mission-critical API services and database clusters. ✔️ Why Hire Me? Speed: I eliminate the "Database Bottleneck" by automating SQL deployments. Reliability: I treat DB changes as code—tested, versioned, and repeatable. Optimization: I write high-efficiency PL/SQL to reduce compute costs and latency.

Senior Backend Engineer & DevOps Specialist | Scalable APIs • Microservices • Cloud Infrastructure I’m a Senior Backend Engineer & DevOps Specialist with 4+ years of experience building scalable APIs, real-time systems, and cloud-native deployments. I help startups, fintechs, and fast-growing businesses build fast, secure, and production-ready backend platforms. What I Deliver I design systems that are: • Fast — optimized queries, efficient architecture, high-performance services • Scalable — microservices, caching, containerization, horizontal scaling • Secure — strong authentication, RBAC, permission systems, best practices • Reliable — robust error handling, logging, monitoring, HA infrastructure Technical Expertise Backend Development • Node.js, Express, NestJS • REST, GraphQL, gRPC APIs • Real-time systems (WebSockets, Socket.IO) • Event-driven architecture (queues, workers) • Microservices design & domain-driven architecture Databases • MongoDB (advanced schema design, aggregation, sharding) • PostgreSQL / MySQL • Redis (caching, rate-limiters, pub/sub, sessions) DevOps & Cloud • Docker, Kubernetes • CI/CD (GitHub Actions, GitLab CI, Jenkins) • GCP (EC2, ECS, EKS, Cloud Run, Lambda) • Nginx load balancing & reverse proxying • Infrastructure optimization & monitoring Why Clients Hire Me • Clean, maintainable, scalable code • Strong DevOps + backend combined skillset • Fast debugging + solving complex production issues • Clear communication & progress updates • Reliable delivery on time and within scope What You Can Expect • Clear requirements breakdown • Accurate timelines • Production-ready code with documentation • Long-term support (optional) • Professional, transparent collaboration If you need help with backend architecture, API development, real-time systems, microservices, or DevOps infrastructure, I can help you build a platform that’s fast, secure, and built for scale.

About Me: Greetings! I am a seasoned Senior DevOps Engineer, currently making significant contributions to the SAFARICOM migration project at Gebeya. With over 13 years of hands-on experience in the IT domain, my expertise spans cloud computing, networking, and network security. Holding a BSc degree in Computer Science and backed by 28 certifications, including AWS Solution Architect and Azure Solution Architect, I am dedicated to driving innovation and excellence in every project. Professional Journey: My current role at Gebeya allows me to leverage TKG (Tanzu Kubernetes Grid) for optimal DevOps implementation. Simultaneously, I serve as a Cloud Computing Trainer at Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH, a global organization committed to sustainable development. Here, I focus on empowering individuals and teams with the skills needed to harness the full potential of cloud technologies. Extensive Expertise: Beyond my responsibilities at Gebeya, my expertise extends to key DevOps tools and technologies such as Azure, GCP, Kubernetes, Docker, Jenkins, and Ansible. As a Cloud Computing Trainer, I deliver comprehensive training sessions covering fundamental cloud concepts to advanced topics like security, cost optimization, and migration strategies. This dynamic knowledge, coupled with hands-on experience, positions me as a multifaceted professional capable of adapting to emerging technologies. Continuous Learning Philosophy: Throughout my five-year journey in the industry, I've embraced a philosophy of continuous learning. This involves not only obtaining certifications but also staying at the forefront of evolving technical landscapes. By consistently upgrading my skills, I ensure that I navigate the dynamic IT terrain effectively, providing innovative solutions to intricate challenges. A Versatile Professional: My expertise extends beyond the traditional realms of DevOps, encompassing key technologies that are shaping the future of IT. From orchestrating containers with Kubernetes to streamlining automation with Ansible and ensuring robust CI/CD pipelines with Jenkins, I bring a comprehensive skill set to the table. Adaptability as a Core Strength: What sets me apart is not just my proficiency in existing technologies but also my adaptability to new ones. In an industry that evolves rapidly, I pride myself on swiftly mastering emerging technologies. This ensures that my skill set remains cutting-edge, allowing me to bring the latest innovations to every project. Why Collaborate With Me: Proven Expertise: Demonstrated success in implementing DevOps practices and navigating complex cloud environments. Versatility: Proficient in an array of technologies, offering comprehensive solutions tailored to unique project requirements. Adaptability: Adept at quickly mastering emerging technologies, ensuring continuous relevance in a rapidly evolving field. Training and Hands-On Experience: My extensive background in cloud architecture, combined with a commitment to sharing knowledge through training and practical application, makes me an invaluable asset to any team. Let's Forge Ahead Together: If you're seeking a seasoned professional with a holistic skill set, an unwavering commitment to continuous improvement, and a passion for driving success in cloud technology, I am eager to connect and contribute to your projects.

🏆 Top Rated - Top 10% of talent on Upwork 🏆 100% Job Success 🏆 6+ years of experience 💯 Client's satisfaction Thanks for visiting my profile! I’m sure you have many candidates to choose from, but why not take a moment to learn a bit about what I can offer? I might just be the perfect fit for your project. 😊 What I Offer: Over the last 6+ years, I’ve worked across the full stack using React, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, TypeScript, REST APIs, authentication systems, payment integrations, and cloud deployments. ★ Web Technologies: React.js, JavaScript, PHP, Laravel, HTML5, CSS3, Next.js, Node.js. ★ WordPress Ecosystem: Custom Theme Development, WooCommerce, Page Builders (Elementor, Divi), ACF (Advanced Custom Fields), Custom Plugin Setups. ★ Performance & SEO: Technical & On-Page SEO, Page Speed Optimization (50-200% faster loads), Google Search Console, Google Analytics, Rich Snippets. ★ Databases & Hosting: MySQL, PostgreSQL, Web Hosting configurations (cPanel, AWS, DigitalOcean). ★ Environments & Workflow: Proficient in using Git, GitHub, GitLab, Jira, Trello, Asana, Figma to Code. ★ Architectures & Practices: Responsive Web Design, Mobile-First Approach, RESTful APIs, Headless WordPress integrations, UI/UX Best Practices. My Process & The Results You Can Expect Beyond the code, clients love my end-to-end workflow because it is transparent, highly organized, and takes the stress out of web development. We begin with a free 15-minute consultation to deeply understand your goals, followed by a project kickoff featuring clear milestones. During the design and build phase, performance and SEO are baked into the code from day one. This leads directly into rigorous user testing, a flawless launch, and reliable post-launch support. As a result, my clients typically experience massive boosts in page speed and search visibility within weeks. Why Work With Me? With over 100 successful projects delivered, I bring a proven track record and a deep problem-solving mindset to every job; I own challenges until they are fully resolved. I pride myself on strong communication, guaranteeing fast responses and clear updates at every stage. Furthermore, I include lifetime support and consultation to ensure your website continues to grow alongside your business. I am enthusiastic about the prospect of collaborating with you to bring your website to life. Whether you need a complete redesign, a brand-new site from scratch, or targeted performance improvements, my flexibility, dedication, and passion for web development make me an ideal partner for your business. Thank you for considering my profile. I look forward to the opportunity to discuss your project! Sincerely, Lidetu Ketema

🚀 Experienced Mobile App Developer | Flutter & Frontend web Specialist Warm regards! I am a passionate and experienced mobile app developer with over 3 years of expertise, specializing in Flutter and frontend web development. My journey has been shaped by delivering high-quality applications through clean architecture, innovative designs, and seamless performance across platforms. I excel in both solo projects and collaborative team environments, ensuring projects are executed from conception to completion with success. ✨ Key Qualities: Flutter Expertise: Proficient in building robust and user-friendly mobile applications using Flutter and Dart. Frontend Proficiency: Skilled in designing interactive web interfaces with HTML, CSS, JavaScript, React.js, and Vue.js. Backend Mastery: Experienced in Node.js, RESTful API design, and database management using MongoDB. Problem-Solver: Adept at troubleshooting complex challenges and implementing scalable solutions. Strong Communication: Clear, concise communication that fosters smooth team collaboration and project execution. 💻 Technological Proficiency: Mobile Development: Flutter (Dart) for cross-platform apps. Expertise in state management, navigation patterns, and advanced UI/UX implementation. Backend integration with Firebase and REST APIs. Web Development: Proficient in frontend frameworks like React.js and Vue.js. Focused on responsive and visually appealing designs. Backend Development: Skilled in building robust backends with Node.js and Nestjs. Experienced in database solutions like MongoDB and MySQL. Cloud Services: Firebase for seamless integration (authentication, database, analytics). Version Control & Project Management: GitHub, GitLab for code collaboration. Trello, Asana, and Jira for effective project tracking. Software Architectures: Proficient in MVC, MVP, MVVM, and Clean Architecture principles to deliver maintainable and scalable codebases. 🌐 Eager to Collaborate: I am always enthusiastic about contributing to innovative projects. With my technical expertise and commitment to continuous learning, I aim to bring exceptional value to every project I undertake. ⏰ Availability: As a dedicated developer, I am ready to contribute to your project at any time. Let’s connect to discuss how I can help you bring your vision to life with reliable, high-quality development. Let’s create something extraordinary together! Feel free to reach out, and let’s start building.

I am a DevOps Engineer with proven experience in designing, automating, and managing scalable, secure, and high-availability infrastructure for enterprise and government systems. I specialize in Kubernetes, Docker, CI/CD pipelines, and both cloud and on-premise environments. I have delivered production-grade solutions for banking platforms, government services, and high-traffic applications where reliability, security, and performance are critical. My Expertise Includes: • Kubernetes cluster setup, optimization, and troubleshooting (RKE2, Rancher) • CI/CD pipeline design and automation (Jenkins, GitLab CI, ArgoCD) • Infrastructure as Code (Terraform, Ansible) • Docker containerization and deployment • Monitoring & logging (Prometheus, Grafana, ELK Stack, Zabbix) • High availability, failover, and system resilience design • Reverse proxy and load balancing (Nginx, HAProxy) • Database setup, replication, backup, and performance tuning (MySQL, PostgreSQL) • Identity & access management with Keycloak (SSO integration) Experience : • Built and managed infrastructure for mobile banking and USSD platforms • Worked on government systems including MoWSA and EDRMC under OpenG2P • Managed production environments requiring high availability and zero downtime