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Need a hands-on technical lead to stabilize, ship, or scale a SaaS product? I am a CTO and senior full-stack engineer with over a decade of experience delivering production SaaS, Stripe billing systems, AI-enabled applications, and cloud platforms. I work directly across Next.js, React, TypeScript, Node.js, PostgreSQL, Stripe, Azure/AWS, and CI/CD—from technical audit and architecture through implementation, deployment, and reliable handoff. Clients hire me to: • Take ownership of existing products with unclear architecture, broken integrations, or delivery risk• Build and ship complete SaaS features across frontend, backend, database, infrastructure, and deployment• Design and migrate Stripe billing systems: Checkout, subscriptions, webhooks, Customer Portal, and payment-state logic• Strengthen authentication, account isolation, APIs, cloud reliability, and long-term maintainability• Provide CTO-level technical judgment while remaining fully hands-on in the codebase Relevant experience: • CTO & Co-Founder, Klimado — owned architecture, infrastructure, APIs, and frontend delivery for an ESG/CSRD SaaS platform; shipped multiple production applications.• CTO, KEAZ — lead technical direction and end-to-end product delivery.• Senior Full-Stack & Cloud Engineer, hey circle — hands-on delivery across Node.js, TypeScript, React, Azure, CI/CD, Shopify, and WooCommerce integrations.• Founder, Chays N Dreams LLC — fractional CTO and senior engineering delivery for startups and scale-ups.• Recent billing and authentication API migration for a live SaaS product. I work especially well with founders, product leaders, and engineering teams who need clear technical ownership, predictable communication, and production-quality execution.

🌟 I’m currently offering reduced rates on Upwork as I build my portfolio. 🌟 🔎 Troubleshooting and Technical Diagnostics 🏗️ Architecture Review and Recommendations 💰 Cost Review and Optimization 🚀 DevOps and CI/CD Troubleshooting ☁️ Focused Cloud / AWS Advisory and Training With 15 years of experience in Software Development and IT Operations, I help teams troubleshoot production issues, review architecture decisions, reduce costs, and improve cloud and DevOps delivery. I’m a good fit when a project is stuck: deployment failures, infrastructure behavior, CI/CD problems, cloud architecture questions, cost concerns, or unclear technical tradeoffs. My background includes AWS professional-level certification, including Solutions Architect Professional and DevOps Engineer Professional. I’m passionate about helping clients reduce costs, optimize delivery processes, and make technical systems simpler, more reliable, and easier to operate. Services I Offer: ▸ 🔎 Troubleshooting and Technical Diagnostics: Investigate production issues, deployment failures, infrastructure behavior, CI/CD problems, and unclear technical symptoms. Provide a concise diagnosis, likely root causes, and practical next steps. ▸ 🏗️ Architecture Review and Recommendations: Review your software, cloud, or infrastructure architecture to identify reliability risks, scaling limits, operational gaps, and unnecessary complexity. Provide actionable recommendations aligned with your business goals. ▸ 💰 Cost Review and Optimization: Analyze cloud, infrastructure, or delivery-related costs to uncover waste and optimization opportunities. Recommend practical ways to reduce spend without compromising reliability, performance, or security. ▸ 🚀 DevOps and CI/CD Troubleshooting: Help debug pipelines, deployment workflows, automation problems, release bottlenecks, and operational handoffs. Recommend improvements that make delivery simpler, safer, and more predictable. ▸ ☁️ Focused Cloud / AWS Advisory and Training: Provide focused cloud guidance, AWS architecture input, and short training sessions for teams that need practical answers rather than long consulting engagements. If your project is unclear, stuck, too expensive, or difficult to operate, I’m happy to start with a short diagnostic session and produce a concise action plan.

Greetings! Are you looking for an automatic passive inflow that brings you cashflow every month? You just knocked on the right door! Im Alex, financial trader since 2018 and Cloud Engineer (AWS) with a Master's Degree in Cloud Computing. Throughout the years, I've gained experience on the Cloud and Trading environment, going from A to Z in many personal and client projects. I provide solutions for automation on investments and trading environment, so if you identify any of the listed services we have as being your objective, call me or send me a message! Automated Trading: * Provide automated systems (on Crypto, Gold and Forex) with an average return per month of ~1.5%-5% with minimal drawdowns as ~10%; * Support on Prop Firm space; * Investment strategies that meet your requirements and long-term goals; * Real Tick Data delivery from our partner broker ICM (CFDs) direcly from source; ⚙️ Softskills: * Good comunicator * Humble * Problem solver * Ambitious CHECK OUT MY PORTFOLIO FOR MORE INFO OF "CRYPTOBOTICS" SERVICES

I am a DevOps engineer with experience in AWS and GCP since 2019, prior to that only legacy technologies. This experience includes roles as developer, architect and leading. Since 2025, I specialized with agentic AI tools, from vibe coding websites and apps (with proper processes) to build an agentic AI platform from scratch. For the time being, I have worked with many cloud native apps and integrated them with open source tools, such as Jenkins, ArgoCD, Terraform and many others. In the AI space, I have worked with Cursor, Claude Code, solo.io tools and others. Also I have multiple certifications, such as: AWS Developer and Solutions Architect, Hashicorp Terraform associate and Azure Architect

Paying too much for AWS but still shipping slow? I turn bulky monoliths into lean serverless apps that deploy in minutes and cut cloud spend by ≈ 40 %. Backed by 10 years of hands-on AWS expertise and a 100 % Job Success Score. Why me: 🥇 Top 1 % on Upwork • $1 M+ earned • 80 K+ tracked hours Serverless architect for startups and enterprises in FinTech, IoT, AI/ML Proven record of weekly fixed and retainer projects with > 30 % margin for clients AWS toolbox: Lambda • Step Functions • API Gateway • DynamoDB • S3 • CloudFront • Glue • Batch • ECS Fargate • Auto Scaling • CloudFormation / CDK • Route 53 • CodeBuild / Deploy / Pipeline • IoT • RDS Aurora• AWS Bedrock

I help startups and teams ship faster by optimizing CI/CD pipelines, modernizing build systems, and deploying scalable cloud infrastructure. With 12+ years of experience and as an AWS Certified Solutions Architect, I focus on reducing friction and improving developer velocity. Strengths: • CI/CD with GitHub Actions & GitLab CI • Bazel migrations for reproducible builds • Kubernetes on AWS EKS & GCP GKE • IaC with Pulumi & Terraform • Local dev environments aligned with production Highlights: • Migrated a large monorepo to Bazel, cutting build/test times • Automated deployments with GitHub Actions + Bazel • Led Kubernetes adoption with Istio for safe rollouts • Transitioned infra from Terraform to Pulumi for faster iteration If you need a DevOps engineer who can improve reliability and speed, let’s connect.