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Building and running infrastructure for crypto exchanges, NFT marketplaces, and DeFi/stablecoin products that's my core work, not a side skill. 🏅 AWS Certified Cloud Practitioner + Certified Kubernetes Administrator (CKA), 8+ years DevOps and backend engineering ✅ Hands-on with real crypto exchanges: M2 Global Wealth, MultiBank Group (FX + crypto), stablecoin minting/redeeming flows with Fireblocks 🌟 Blockchain dev experience: Solidity, Web3.js, Cardano NFT marketplace (led team), smart contract testing (Hardhat, Truffle) ✅ Crypto compliance stack: FIX protocol / FSRA delivery, KYC/AML with Jumio, Elliptic, Softledger 🏅 Full CI/CD and cloud automation: Terraform, Kubernetes, Docker, GitHub Actions, Jenkins, GitLab CI/CD I specialize in the infrastructure and backend layer crypto platforms actually run on: exchange systems, stablecoin flows, wallet integrations, and the compliance/monitoring stack regulators expect. Also fluent in general DevOps and Rails/Node backend work for fintech and SaaS clients. Services I Offer ✓ Crypto Exchange Infrastructure CI/CD, Kubernetes, monitoring, and compliance pipelines for exchange and trading platforms. ✓ Blockchain & Smart Contract Development Solidity smart contracts, Web3.js integrations, NFT marketplace builds, wallet/Fireblocks integrations. ✓ Stablecoin & DeFi Backend Minting/redeeming flows, KYC/AML integration (Jumio, Elliptic, Softledger), FIX protocol compliance. ✓ DevOps Engineering CI/CD pipelines, cloud infrastructure (AWS/GCP/Azure), Terraform IaC, Docker/Kubernetes orchestration. ✓ Backend Development Ruby on Rails, Node.js, NestJS backend systems for fintech and SaaS platforms. ✓ Monitoring & Compliance Prometheus, Grafana, Datadog, ELK plus regulatory-grade logging and alerting for financial systems. 𝐓𝐨𝐨𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 Blockchain: Solidity, Web3.js, Fireblocks, Cardano, Hardhat, Truffle Crypto Compliance: FIX protocol, Jumio, Elliptic, Softledger Cloud: AWS, GCP, Azure CI/CD: GitHub Actions, Jenkins, GitLab CI/CD, Capistrano, ArgoCD Containers: Docker, Kubernetes, Helm Backend: Ruby on Rails, Node.js, NestJS Monitoring: Prometheus, Grafana, Datadog, ELK, New Relic IaC: Terraform, AWS CloudFormation, Ansible Databases: PostgreSQL, MySQL, MongoDB ✅ Keywords: crypto exchange, blockchain, DevOps, Solidity, Web3.js, NFT marketplace, stablecoin, DeFi, Fireblocks, FIX protocol, KYC AML, Kubernetes, AWS, Terraform, CI/CD, fintech

I stop infrastructure bleeding. If your AWS/K8s setup is burning cash or failing deployments, I stabilise, secure, and automate your architecture to slash costs by 40% fast, backed by 9+ years of enterprise experience. As a Senior DevOps & DevSecOps Engineer and former Deloitte tech lead, I don't just spin up environments. I architect resilient, zero-trust, production-grade cloud infrastructures engineered for massive scale and strict security audits. If your current infrastructure is manual, fragile, or bleeding money, I can step in to automate and stabilize it. High-Impact Results I Deliver: • Optimized complex environments to slash AWS infrastructure costs by 40% while maintaining maximum performance SLAs. • Streamlined deployment pipelines to accelerate delivery cycles and cut deployment duration by 40%. • Integrated advanced automated tooling (SAST/DAST/SCA) directly into pipelines to hit 95% vulnerability detection coverage. Core Bottlenecks I Solve For You: ▸ Fix Broken Pipelines: Repair failing CI/CD infrastructure and speed up lagging release tracks. ▸ Production Kubernetes: Design, deploy, and debug rock-solid cluster environments (EKS, AKS, GKE). ▸ Automate via Code: Eliminate manual human errors by building clean, dry, maintainable Terraform and Terragrunt configurations. ▸ Security & Secrets Hardening: Implement zero-trust access, secure secrets management (HashiCorp Vault), and prepare systems for strict compliance (ISO 27001, PCI-DSS, HIPAA). Deep Technical Toolbox: ◦ Cloud Platforms: AWS (Advanced) , Azure , GCP. ◦ Containers & Orchestration: Kubernetes (CKA Certified) , Docker , Helm. ◦ Infrastructure as Code (IaC): Terraform , Terragrunt , Ansible. ◦ CI/CD & GitOps: GitLab CI , GitHub Actions, Jenkins , Azure DevOps , Argo CD. ◦ DevSecOps & Secrets: SonarQube , Snyk , PrismaCloud , HashiCorp Vault. ◦ Observability: Prometheus , Grafana , ELK Stack , Datadog. Why Clients Hire Me: ✦ Production-First Mindset: Everything is built cleanly with real-world traffic, high availability, and security in mind. ✦ Elite Certifications: Credentialed as an AWS Certified DevOps Professional , Azure DevOps Engineer Expert , and Google Cloud Professional DevOps Engineer. ✦ Fast Execution: Based out of Dubai (UAE Golden Visa Holder) , operating on flexible hours to fully support global team schedules. Let's build a secure, scalable system together. Click the "Message" or "Invite to Job" button, share your current infrastructure pain points, and I'll outline a clear technical approach for you.

🏆 Among Top 1% Expert-Vetted Talent on Upwork🏆 Result-oriented DevOps & Gen AI Engineer with over 10 years of experience, I excel in creating and applying effective DevOps practices for high-traffic applications. I build practical GenAI solutions that solve real business problems. My focus is on making systems efficient, reliable, and scalable, aligning closely with your business needs. ⏱ General availability UTC: 10am-11pm, ET: 6am-7pm, PST: 3am-3pm. After working with MNCs like TCS, Fico, AutoDesk, and VISA Inc., Now I've shifted to full time freelancing. My goal is to help businesses use cloud technology effectively and affordably. I am committed to leveraging my skills to provide a real impact on your business. Insights of my recent work: ☞ Single-handedly designed and developed the infrastructure and implemented robust DevOps practices for many applications serving more than 100 millions of users a month. ☞ AWS 4x Certified Cloud Solutions Architect.     ↳ AWS Certified Solutions Architect – Professional     ↳ AWS Certified Solutions Architect – Associate     ↳ AWS Certified Developer – Associate     ↳ AWS Certified SysOps Administrator – Associate ☞ Over 10 years of hands-on experience with AWS, Google Cloud, and Azure. ☞ Extensive experience in Infrastructure as Code (Terraform, CloudFormation, CDK). ☞ Expert in securing infrastructure and achieving compliance like HIPAA, PCI-DSS, GDPR, ISO, and additional regulatory frameworks. ☞ Highly skilled in migrating legacy applications to AWS, Azure, and GCP. ☞ Proficient at setting up CI-CD pipeline for various application such as MERN, Python, PHP and etc. ☞ Expert in building Serverless application using ServerLess Framework, SAM and SST. ☞ Experienced in Dockerizing complex applications and running them on orchestrators such as EKS, GKE, and AKS. ☞ Experienced in AWS GEN AI services such as Textract, Comprehend, Kendra, Bedrock and Sagemaker ☞ Designed and delivered 10+ GenAI-powered services covering document intelligence, conversational AI, and automated support ticket workflows ☞ Proficient in implementing monitoring solutions including New Relic, Datadog, Prometheus, Grafana, and more. ------------------------------------------------------------------------------------------------------ Skills : ------------------------------------------------------------------------------------------------------ ♚ Build, Configure, and Troubleshoot the AWS environment. ♚ Migration, Deployment of existing websites, and application to the Aws cloud. ♚ Linux Server Administration. ♚ Dockerizing application, Setting up CI-CD for Automatic Deployment. ♚ Chef and Terraform configuration, deployment, and Orchestration. ♚ Experience in Writing infrastructure as a code so that you will get the full benefit of automation. ♚ Serverless (Node.js, Python ). ♚ Code development in python and AWS SDK. ♚ Textract, Comprehend, Kendra, AWS Recognition ♚ Python Automation Expert. ♚ Monitoring setup using Prometheus, Grafana. ------------------------------------------------------------------------------------------------------- Toolkit ------------------------------------------------------------------------------------------------------- ⓵ AWS (EC2, RDS, S3, CloudFront, ECS, Lambda, IAM, network routing, VPC, Route 53, API Gateway, KMS, Certificate Manager, SSM, etc) ⓶ CloudFormation, Terraform ⓷ Docker, ECS, EKS, GKE, AKS and On-Prem Kubernetes. ⓸ CI/CD, Code Build, Code Commit, Code Deploy, Jenkins, Travis CI ⓹ Linux (Ubuntu/RedHat/Centos/Amazon Linux) ⓺ Amazon Bedrock, Anthropic Claude, LangChain, Weaviate, Hugging Face ⓻ MySQL, PostgreSQL, NoSQL/DynamoDB ⓼ Agile Methodologies ⓽ DevOps principles.

Founders usually bring me in when the product has outgrown its engineering. I help startups and growing companies architect, build, and scale AI platforms, financial infrastructure, trading systems, and enterprise SaaS products where reliability, scalability, and execution matter more than simply writing code. My role is rarely just backend development. I own technical architecture, engineering direction, production reliability, code quality, and delivery while remaining deeply hands-on with implementation. Over the past 9+ years I've helped founders build systems that process millions of events, support real-time decision making, integrate AI into production workflows, and move financial data safely and reliably at scale. What I Build AI Platforms & Agentic Systems - AI-native SaaS platforms - LLM integrations (OpenAI, Anthropic, Gemini) - Multi-agent workflows - AI automation platforms - RAG and knowledge systems - AI infrastructure and backend architecture Financial Infrastructure - Payment platforms - Ledger systems - Stripe, ACH, Plaid and financial integrations - Risk engines - Reconciliation systems - Trading infrastructure - Market intelligence platforms Real-Time Systems - High-volume event processing - WebSocket infrastructure - Streaming architectures - Distributed systems - Low-latency APIs - Event-driven microservices - Kafka, Redis, RabbitMQ and SQS Cloud & Platform Engineering - AWS and GCP - Kubernetes & Docker - Terraform & CI/CD - PostgreSQL, ClickHouse, TimescaleDB, Redis - Observability, monitoring, and production hardening Recent Projects CoinQuant.ai AI-powered quantitative trading platform allowing traders to create trading strategies through natural language, perform tick-level backtesting, and analyze real market data using institutional data providers including Kaiko, Financial Modeling Prep, and CoinGecko. Responsibilities included: - AI architecture - Backend systems - Financial data infrastructure - Strategy engine - Production platform design DeepVue Technical Lead responsible for the migration of a large real-time market intelligence platform from Node.js to Go. Highlights: - SEC financial data ingestion - XBRL and fundamental data processing - High-frequency market data - Formula and screening engine - ClickHouse architecture - Performance optimization - Real-time analytics MoonShot MAGAX Blockchain infrastructure including: - Smart contracts - Token issuance - Vesting - Claims - Backend settlement services - Production AWS infrastructure SoLo Funds Financial platform supporting: - Stripe payments - Subscription infrastructure - Risk systems - Event-driven financial workflows - Production backend architecture Where I Add the Most Value Companies typically bring me in to: - Design scalable platform architecture - Build AI-native products - Rescue struggling engineering projects - Review AI-generated code and improve engineering quality - Lead engineering teams - Design financial infrastructure - Build real-time trading and market data systems - Scale SaaS platforms from MVP to production - Modernize legacy systems - Reduce technical debt without slowing delivery Selected Results - Scaled backend platforms from 10,000 to over 1 million daily transactions - Reduced AWS infrastructure costs by approximately 40% (~$15,000/month) - Migrated £2.4M in active subscriptions with zero downtime - Built highly concurrent Go services capable of processing thousands of parallel workloads - Designed systems targeting 99.99% availability - Led migration of production systems from Node.js to Go - Built AI-powered engineering agents for automated issue investigation, root-cause analysis, ticket generation, and validated code fixes How I Work I believe great engineering starts with good architecture. Every engagement begins with understanding the business problem, identifying technical risks early, and designing systems that remain maintainable years after the first release. I work closely with founders, product teams, and engineering organizations to balance delivery speed with long-term scalability. Whether I'm joining as a Founding Engineer, Fractional CTO, Technical Lead, or Senior Backend Engineer, my objective is always the same: Build the right foundation so the business can scale without constantly rebuilding its technology.

I am a Senior Software Engineer and founder with a proven track record in designing, developing, and optimizing complex back-end systems. I specialize in Java, microservices, cloud solutions, and financial software development. My goal is to build scalable, secure, and efficient systems that meet the diverse needs of modern businesses. What I bring to the table: Back-End Development Expertise: Extensive experience with Java (8-21), Spring Boot, and Node.js in building scalable, high-performance applications. Financial Systems & Data Processing: I've led back-end development for financial market websites and banking systems, including core banking, instant payment systems, and data analytics. Founder & Product Builder: I built Ledgiq Ltd (UK-incorporated) from the ground up — an AI-powered payment reconciliation SaaS for UK SMEs, integrating Open Banking APIs, Stripe, and Xero with a machine learning matching engine. Sole engineer across the full stack: backend, API integrations, infrastructure, and CI/CD. Cloud & DevOps Knowledge: Proficient in cloud-native development on AWS and Azure, coupled with a strong understanding of CI/CD pipelines using Jenkins, Docker, and Kubernetes. Scalable Architectures: Deep knowledge in microservices, RESTful APIs, and event-driven systems, ensuring your applications are scalable, maintainable, and future-proof. Team Leadership: I've mentored teams, conducted code reviews, and implemented best practices in software engineering, from development to deployment. Active Contributor on StackOverflow: With +3K points and a positive impact on 3.4 million users, I regularly contribute to solving technical problems and sharing knowledge with the community. Notable Achievements: Founded Ledgiq Ltd, an AI-powered fintech SaaS — built solo end-to-end, UK-incorporated, with ICO registration and Open Banking integration in progress. Led major projects for companies like Glovo, ING, and British Petroleum, delivering high-impact, secure solutions. Contributed to open-source projects like IBAN4j and wrote technical articles for Baeldung. Passionate about clean code, and consistently improve the development process through automation and agile methodologies. If you're looking for a seasoned software engineer who understands the intricacies of building and maintaining robust back-end systems — and who has also walked the path of building a product from zero — I would be thrilled to help you turn your vision into reality.

🏆 Top-Rated Database Architect & Multi-Cloud Specialist with 16+ Years of Experience Delivered 50+ enterprise-scale database and cloud transformation projects across telecom, government, banking, retail, and transport industries, specializing in migrations, HA/DR architectures, and performance tuning for Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Redis and Apache Cassandra. I am a seasoned Database Architect and Cloud Specialist with over 16 years of experience, delivering high-impact solutions across telecom, government, banking, transport, and retail industries. My expertise spans multi-database ecosystems (Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Redis) with a strong focus on performance tuning, HA/DR architectures, and enterprise-scale migrations. Beyond databases, I bring deep experience in multi-cloud environments (OCI, AWS, Azure, GCP) and DevOps practices, leveraging Kubernetes, Docker, Ansible, Jenkins, and CI/CD pipelines to design and automate resilient, scalable infrastructures. Over the years, I have led critical modernization projects including Oracle RAC/Data Guard, PostgreSQL Patroni clusters, MySQL InnoDB clusters, SQL Server Always-On, and GoldenGate microservices replication, all aligned with compliance, cost optimization, and business continuity. I specialize in cloud-native architectures, database modernization, and containerized deployments, ensuring secure, high-performing, and future-ready platforms for enterprises across multiple sectors. 🔹 Database Expertise High Availability & DR: Oracle RAC/Data Guard/GoldenGate, PostgreSQL Patroni/repmgr/EFM, MySQL Group Replication/ClusterSet, SQL Server Always-On, MongoDB ReplicaSets & Sharding, Redis Sentinel & Cluster. Performance Tuning: Advanced SQL optimization, query indexing, connection pooling, and OS-level tuning (CPU, memory, I/O, networking). Clickhouse DB optimization and performance tuning. Migrations: End-to-end cross-platform migrations (SQL Server → Postgres/Oracle, MySQL → Snowflake/OCI/Azure, on-prem → multi-cloud). I have hands-on experience designing and implementing Oracle Fusion API integrations using Oracle Integration Cloud (OIC), connecting Fusion Cloud with multiple external systems. My work includes building and optimizing REST and SOAP-based services, handling complex data mappings, and improving integration performance and reliability. I’ve also maintained existing integrations to ensure high availability and seamless data flow while collaborating closely with cross-functional teams to identify needs, streamline workflows, and deliver well-documented, reusable integration solutions. Automation: Backup/recovery orchestration, PITR, monitoring, and administration via shell scripts, Ansible, Jenkins, and IaC. 🔹 Cloud Architecture Certified in OCI, AWS, Azure, GCP, and Alibaba Cloud, with deep experience in hybrid & multi-cloud setups. Skilled in OCI Exadata Cloud@Customer, AWS RDS/Aurora, Azure SQL Database, Databricks, and multi-region failover. Migrated enterprise systems (DB + middleware) to cloud with zero-downtime cutovers and automated DR. 🔹 DevOps & Modern Platforms Proficient with Docker, Kubernetes, and OpenShift for containerized DB + application deployments. Extensive experience in building, optimizing, and maintaining Oracle Integration Cloud (OIC) processes, adapters, and orchestration for enterprise-scale clients. VBCS (Visual Builder Cloud Service): Skilled in designing and developing responsive, low-code applications integrated with Oracle SaaS and PaaS ecosystems. Strong background in CI/CD (Jenkins, GitLab, Ansible, Terraform). Experience securing secrets with Vault, integrating monitoring stacks (Prometheus, Grafana, ELK). 🔹 Odoo & Application Layer Odoo deployment, backend DB optimization, and module customization. Report building & tailoring business workflows for performance and usability. Tomcat, Apache, IBM WebSphere, Oracle WebLogic, and Bitnami stack administration. 🔹 Data & AI Solutions Data Engineering & Warehousing: Azure Data Factory, Databricks, Oracle OBIEE, Snowflake. AI Agent Development: Built agents for self-healing DBs, N8N automation, and natural language querying. Supabase Consultation: Connect Supabase with AI agents to simplify backend management for non-developers. Automate project provisioning, query execution, function creation, and API management. Enable natural language interaction with data, making database operations accessible to entire teams. ✅ Key Certifications: Oracle 19c OCP DBA | PostgreSQL Advanced v11 | MySQL 8.0 OCP | MongoDB Associate DBA | Redis Certified Developer | Microsoft Azure Administrator | OCI 2025 Certified Multicloud Architect | OCI GenAI | Oracle GoldenGate Implementation Specialist | WebLogic 12c OCP | YugabyteDB DBA