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Certified Cloud Engineer with 4+ years of experience designing, migrating, and operating secure, highly available, and cost-optimized AWS environments for startups and enterprise clients. I specialize in production-ready cloud systems, not experiments — with strong depth in cloud networking, security, migrations, automation, and monitoring, including SAP workloads on AWS. Having worked with an AWS Advanced Partner, I’ve gained hands-on exposure to both fast-moving startups and complex enterprise environments. This has sharpened my ability to: → Design production-ready architectures, not just demos → Automate infrastructure using Terraform and AWS CloudFormation → Implement CI/CD, backup, DR, and high-availability architectures → Optimize cloud spend without compromising performance or availability → Support SAP on AWS landscapes with enterprise-grade reliability AREAS OF FOCUS 1️⃣ Cloud & Enterprise Migrations ────────────────────── I deliver low-risk, business-aligned migrations planned and executed to meet strict RTO/RPO requirements, minimizing downtime and operational risk. Migration Scope ▶Domains, databases, applications, and production workloads ▶On-prem, Azure, and legacy environments → AWS Tools & Services: ▶Veeam, AWS DMS, DataSync, S3 Sync ▶Migration Evaluator, Application Discovery Service ▶Application Migration Service (MGN) 2️⃣IDENTITY AND ACCESS MANAGEMENT ─────────────────────────── Identity & Access (SSO): End-to-end integration of Active Directory / Microsoft Entra ID with cloud production environments using AWS IAM Identity Center, SAML, and federation, supporting on-prem and cloud-hosted directories. 3️⃣Cloud Networking & VPNs ────────────────── Deliver enterprise-grade VPC architectures with clear environment isolation, private networking, and controlled data access, applying defense-in-depth principles through security groups and routing governance. Implementing site-to-site and hybrid VPNs across MikroTik, Cisco Meraki, FortiGate, and Sophos, including tunnel monitoring, log analysis, security hardening, and failover testing. 4️⃣Monitoring & Observability ────────────────── Extensive use of Datadog and AWS CloudWatch for infrastructure, application, and process monitor 5️⃣Security & Audits: AWS Well-Architected Reviews ──────────────────────────────── I conduct AWS Well-Architected Framework Reviews to identify security gaps, reliability risks, and cost inefficiencies, delivering actionable remediation aligned with AWS best practices 6️⃣AWS Scalable Infra Setup ────────────────── Design and deploy secure, scalable AWS infrastructures built for growth, resilience, and long-term operational efficiency. ▶ What I Deliver ──────────── 🔹 End-to-end AWS architectures 🔹 Cloud & SAP & DOMAIN migrations 🔹 AD / Entra ID SSO integrations 🔹 Infrastructure as Code (Terraform / CloudFormation) 🔹 High availability, DR, and cost optimization Tools & Services (AWS-Centric) ──────────────────── Hands-on experience across a broad range of AWS services, including but not limited to: ✅Compute & Containers: EC2, Auto Scaling, Lambda, ECS, EKS ✅Networking & Edge: VPC, Transit Gateway, VPN, Direct Connect (integration), Route 53, CloudFront, ELB ✅Identity & Security: IAM, IAM Identity Center, KMS, Secrets Manager, AWS WAF, Shield, Certificate Manager ✅Storage & Backup: S3, EBS, EFS, AWS Backup, DataSync ✅Databases & Data Services: RDS, Aurora, DynamoDB, AWS DMS ✅Migration & Discovery: Application Migration Service (MGN), Migration Evaluator, Application Discovery Service ✅Monitoring & Operations: CloudWatch, CloudTrail, Config, Systems Manager ✅Governance & Optimization: Organizations, Control Tower (exposure), Cost Explorer, Budgets ✅Automation & IaC: CloudFormation, Terraform, AWS CLI, SDKs Third-Party & Enterprise Tools ✅Monitoring: Datadog ✅Backup & DR: Veeam ✅Identity: Microsoft Active Directory, Microsoft Entra ID, SAML Federation ✅Networking Appliances: MikroTik, Cisco Meraki, FortiGate, Sophos ✅CI/CD & DevOps: GitHub Actions, Jenkins ✅DNS & Edge: Cloudflare ▶ Certifications ─────────── ☁️ AWS Certified AI Practitioner ☁️ AWS Certified Cloud Practitioner ☁️ AWS Certified Developer - Associate ☁️ AWS Certified Data Engineer - Associate ☁️ AWS Certified Solution Architect - Associate ☁️ AWS Certified CloudOps - Associate ☁️ AWS Certified Machine Learning Engineer - Associate ☁️ AWS Certified Security – Specialty ☁️ AWS Certified Solutions Architect Professional

I bridge the gap between enterprise-grade backend architecture and cutting-edge AI capabilities. With over 10 years of experience engineering scalable, mission-critical systems across fintech, e-commerce, and education domains, I specialize in building secure microservices and integrating advanced AI features—including production-ready RAG (Retrieval-Augmented Generation) pipelines and MCP (Model Context Protocol) implementations. Whether you need to optimize a high-throughput event-driven system or connect your enterprise data securely to Large Language Models (LLMs), I deliver clean, production-ready code optimized for performance and scale. My expertise includes: 🤖 AI & LLM Integration: Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP), Vector Databases, LLM Orchestration & Context Window Optimization. ☕ Languages & Frameworks: Java (8+), Kotlin, Spring Boot, Quarkus, JPA (Hibernate, EclipseLink), JAX-RS, GraphQL, gRPC. 🌐 Frontend & UI: Angular 12+, HTML5, CSS3, SCSS, JavaScript, TypeScript (building responsive, data-driven user interfaces). ☁️ Cloud & DevOps: AWS (EC2, S3, SQS, RDS, Glue, Athena), Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI/CD). ⚡ Architecture & Messaging: Microservices, Event-Driven Architecture (Kafka, RabbitMQ, ActiveMQ, AWS SQS). 🗄️ Databases & Search: PostgreSQL, MySQL, Oracle, MongoDB, Elasticsearch, Cassandra. 🛠️ Tools & Testing: Git, JIRA, Slack, JUnit, Mockito, Redis, ETL, Cube.js.

Experienced software engineer with 2 years of hands-on experience in software development and IT support. Background in information technology with a strong foundation in setting up computers, troubleshooting, software installation, database administration, website development, and management. Skilled in developing scalable and maintainable software applications using various programming languages and frameworks. Demonstrated ability to work effectively in a team and manage projects from start to finish, delivering high-quality software solutions. Passionate about utilizing technology to solve complex business problems. A self-motivated and results-driven software engineer eager to contribute to the success of your organization and grow my skills and advance my career.

I turn messy data and manual workflows into AI and automation systems that actually ship to production. 💰 $300K+ earned · ✅ 500+ projects delivered · ⭐⭐⭐⭐⭐ maintained across clients. 🏆 Top-Tier AI Solution Architect Senior full-stack engineer focused on getting AI systems out of the prototype stage and into production where they actually have to work. I handle the full stack, covering database modeling, API design, scalable architecture, CI/CD, and monitoring, to ensure that what is deployed holds up under real load. A bulk of my expertise covers AI/ML integration (LLM features, APIs, RAG pipelines, agentic workflows) and digital health, where I build FHIR-based interoperability to move clinical data securely between systems and meet the standards healthcare actually requires. I am open and available to discuss your project idea and support you in the implementation. What I build: 🏅 RAG & LLM Applications - Production chatbots, document Q&A, and internal knowledge assistants built on OpenAI, Anthropic, and open-source models. My focus is real retrieval accuracy and grounded responses you can trust. 🏅 API Integration & Development - Custom integrations connecting your CRM, payment systems, internal tools, and third-party services. I build and consume REST and GraphQL APIs, handle authentication and rate limits correctly, and unify disconnected systems into one clean workflow so data moves automatically instead of by copy-paste. 🏅 Process Automation Specialist / No-Code / Low-Code Automation - Rapid, cost-effective automation using n8n, Make, Zapier, and Odoo. Ideal when you need results fast without a heavy custom build. I connect the tools you already use, automate repetitive operations, and deliver workflows your team can adjust without touching code - with the option to layer in custom logic wherever no-code hits its limits. 🏅 Data Pipelines & Snowflake - Clean ingestion, transformation, and warehousing so your AI is built on trustworthy data rather than garbage in, garbage out. What working with me looks like: ✅ Clear scope and timelines before we start ✅ Production-ready solutions with documentation your team can maintain ✅ Direct communication and regular progress updates ✅ Reliable delivery under real-world conditions Have a RAG project, a data pipeline, an API integration, or an automation you keep putting off? Send me a message describing what you are trying to accomplish, and I will review and discuss the implementation plan with you. My Skills Summary: ✅ AI Automation (OpenAI, Anthropic, Claude, MCP, OpenClaw, Hermes AI) ✅ Backend Systems ✅ Automation using No-Code Tools(n8n, Make, Zapier) ✅ Data Engineering Tools(Dbt, SQLMesh, Airflow, Snowflake) ✅ Databases(PostgreSQL, MySQL, Supabase) ✅ Data Analytics Dashboards ✅ Interoperability, Webhooks and API Integration ✅ Digital Health Technologies(FHIR) ✅ Machine Learning Implementation

𝗔𝗯𝗼𝘂𝘁 𝗠𝗲 Hello! 🌟 I’m Mark, a versatile developer who specializes in backend systems, automation, and scalable solutions. I believe in creating technology that grows with your needs—whether it’s crafting APIs, building robust data pipelines, automating your most repetitive of tasks, or designing cloud-based applications. My approach is simple: listen to your goals, understand your challenges, and deliver solutions that are not just efficient but future-proof. With a knack for problem-solving and a deep love for clean code, I’m here to turn your ideas into reality. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: 🔧 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: • Secure, scalable systems using Python and JavaScript for seamless operations. 🤖 𝗖𝘂𝘀𝘁𝗼𝗺 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: • Reduce manual effort and save time with Python-based automation tools. 🌐 𝗔𝗣𝗜 𝗗𝗲𝘀𝗶𝗴𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: • Build and integrate RESTful and GraphQL APIs that ensure smooth communication between systems. 📂 𝗗𝗮𝘁𝗮 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴: • Efficiently process, store, and manage large datasets for better decision-making. ☁️ 𝗖𝗹𝗼𝘂𝗱-𝗕𝗮𝘀𝗲𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁𝘀: • Set up, manage, and optimize systems on AWS, Google Cloud, or Azure. 🛠️ 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀: • Design modular services to handle complex workflows and high traffic. 𝗖𝗼𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀: 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: Python, JavaScript, TypeScript, C 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀 & 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀: Flask, Django, Node.js, NestJS, Angular, AngularJS 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: HTML5, CSS3, jQuery, Responsive Design, API Integration 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: MySQL, PostgreSQL, MongoDB, SQLite, Redis 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗔𝗱𝗺𝗶𝗻𝗶𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻: Bash Scripting, Networking, Server Management, Virtualization & Containerization 𝗗𝗲𝘃𝗢𝗽𝘀 𝗧𝗼𝗼𝗹𝘀: Docker, Kubernetes, Puppet, Git, Datadog 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀: 𝟭. 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗮𝘁 𝗛𝘂𝗮𝘄𝗲𝗶 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 (𝗝𝘂𝗹 𝟮𝟬𝟮𝟯 - 𝗣𝗿𝗲𝘀𝗲𝗻𝘁): Spearheading the architecture and implementation the largest fintech systems in Sub-Saharan Africa. I enhance user experiences by designing customer journeys and transaction processes, ensuring a seamless interface. My role involves interfacing directly with clients to gather feedback and align our solutions with their strategic goals. 𝟮. 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗮𝘁 𝗭𝘂𝘆𝘂 (𝗦𝗲𝗽 𝟮𝟬𝟮𝟯 - 𝗦𝗲𝗽 𝟮𝟬𝟮𝟰): Collaborated with a diverse global team using agile methodologies to develop a moneyless sharing mobile app that fosters community engagement and sustainability, reflecting my commitment to social impact through technology. 𝟯. 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘀𝘁 𝗮𝘁 𝗦𝗛𝗢𝗙𝗖𝗢 (𝗝𝘂𝗻 𝟮𝟬𝟮𝟭 - 𝗦𝗲𝗽 𝟮𝟬𝟮𝟭): Analyzed COVID-19 data to formulate strategies for increasing vaccine acceptance. I was instrumental in developing an innovative rumour-tracking system, enabling community members to report misinformation and receive factual updates, leading to over 440,000 SMS interactions. 𝗟𝗲𝘁'𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲: I am excited to partner with you to create seamless, secure, and innovative solutions that drive success. 👉 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼𝗱𝗮𝘆, 𝗮𝗻𝗱 𝗹𝗲𝘁’𝘀 𝗴𝗲𝘁 𝘀𝘁𝗮𝗿𝘁𝗲𝗱!

With over 5 years of experience in the IT industry, I am an accomplished Cloud Engineer, specializing in the design, development, and deployment of highly available, scalable, and secure infrastructure solutions utilizing the AWS platform. My proficiency in various AWS services enables me to optimize performance and reduce costs for clients, consistently delivering successful project outcomes. My experience spans various industries, including small startups and large enterprise companies, providing me with a diverse set of skills and a proven track record of success. I possess a strong aptitude for learning new technologies and best practices within the cloud engineering field. In my free time, I am active in the community, participating in hackathons and staying current with industry trends to enhance my professional abilities. I welcome the opportunity to connect and discuss my work in AWS and Cloud Engineering in further detail.