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$25/hr
100% Job Success
$2K+ earned
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Software developer with a strong foundation in data structures and algorithms, specializing in high‐performance systems, optimization, and purpose‐built engineering solutions. Programming Languages • C, C++, Go • Python, Lua, Bash Libraries • Pandas, NumPy, ezdxf Client‐side • HTML, CSS, JS, TS • HTMX • React, Next.js • Hugo, Astro Server‐side • Node.js, Deno • Django, FastAPI Databases • PostgreSQL • MySQL, MariaDB • SQLite • MongoDB • Redis, DynamoDB Infrastructure • Linux • Docker, Podman • Cloudflare Tools • Git (GitHub, GitLab) • Neovim Documentation • Markdown • reStructuredText • LaTeX • Typst Productivity • Microsoft Office • Microsoft Power BI Computer‐Aided Design • AutoCAD • SOLIDWORKS • Siemens NX
Francis K.
$40/hr
100% Job Success
$500+ earned
Offers consultations
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I help startups and SaaS teams design scalable AWS infrastructure, automate deployments, and reduce cloud costs. I’m an AWS Pro-Certified DevOps Engineer and Solutions Architect with 4+ years of experience, including delivering enterprise-grade solutions at an AWS Partner company. I’ve led 20+ cloud migrations and 25+ modernization projects — consistently achieving zero downtime and measurable performance improvements. Here’s what I can help you with: • AWS migrations (on-prem → cloud or within AWS) with zero downtime • CI/CD pipelines that accelerate releases and reduce deployment risk • Infrastructure as Code using Terraform & CloudFormation • Containerized deployments with Docker, ECS, and Kubernetes (EKS) • Cost optimization strategies that reduce cloud spend by up to 40% Beyond infrastructure, I also build production-ready backend systems using Python (Flask & Django), including REST APIs, authentication systems, and scalable database architectures — allowing me to bridge both application and infrastructure layers seamlessly. Clients typically work with me when they want: ✔ Reliable, production-grade AWS architectures ✔ Faster, automated deployments ✔ Reduced infrastructure costs without sacrificing performance ✔ A DevOps engineer who understands the full system — not just one layer If you’re looking to modernize your cloud infrastructure, improve reliability, or scale confidently on AWS — let’s talk. I typically respond within a few hours.
Atif  N.
$25/hr
100% Job Success
$1K+ earned
Available now
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✅6X Certified DevOps & Cloud Engineer delivering enterprise-grade, production-ready systems ✅Helping SaaS Startups Scale Secure AWS & Kubernetes Infrastructure ✅Transparent, predictable pricing aligned with real scope and outcomes ✅Realistic timelines based on proven delivery, not assumptions ✅Battle-tested solutions designed for reliability, security, and scale ✅Long-term ownership mindset with clean documentation and ongoing support I am a Senior DevOps & Site Reliability Engineer (SRE) with 6+ professional certifications and deep hands-on experience designing, deploying, and maintaining production-grade cloud infrastructure on AWS, Azure, and Google Cloud Platform. My focus is not just “DevOps tasks” I build reliable, scalable, secure, and cost-efficient cloud systems that support real business growth. Clients hire me when they need stable infrastructure, automated delivery pipelines, and long-term operational confidence. 🧠 Results You Can Expect: ✔ Highly available cloud infrastructure ✔ Faster and safer deployments (CI/CD) ✔ Kubernetes environments that don’t break under load ✔ Reduced cloud costs without sacrificing performance ✔ Secure, auditable, and compliant architectures ✔ DevOps automation that actually works in production ☁️ Cloud Platforms: - Amazon Web Services (AWS) – VPC, EC2, EKS, RDS, Lambda, IAM, CloudWatch - Microsoft Azure – AKS, Azure DevOps, VNET, Functions, Cosmos DB - Google Cloud Platform (GCP) – GKE, Cloud Functions, Cloud Monitoring 🔁 CI/CD Pipelines & Automation: I design fully automated, production-ready pipelines with rollback, security scanning, and observability built-in. - GitHub Actions - GitLab CI/CD - Jenkins - AWS CodePipeline - ArgoCD (GitOps) 📦 Containers & Kubernetes: - Docker (multi-stage builds, optimization) - Kubernetes (EKS, GKE, AKS) - Rancher - Kustomize - Helm-based and GitOps-driven deployments 🏗 Infrastructure as Code (IaC): All infrastructure is version-controlled, reproducible, and auditable. - Terraform - AWS CloudFormation - AWS CDK - ARM Templates - Serverless Framework 📊 Monitoring, Logging & Observability: I implement actionable observability, not just dashboards. - Prometheus - Grafana - Loki - AWS CloudWatch - Google Cloud Monitoring 🔐 Security & Networking: - IAM & least-privilege access control - Secure VPC / VNET design - Site-to-Site VPNs - Network segmentation & isolation - Infrastructure security hardening 🧠 Cloud Services & Backend Integration: - AWS Lambda - Azure Functions - Google Cloud Functions 🗄 Databases & Storage: - MySQL - DynamoDB - Amazon Aurora - CloudSQL - Elasticsearch - Cosmos DB 🧑‍💻 Scripting & Automation: - Bash - Python - C++ - HTML / CSS (for infra dashboards & tooling) I don’t just “set things up.” I make sure your infrastructure keeps working tomorrow, next month, and next year. Keywords: Senior DevOps Engineer, Site Reliability Engineer (SRE), Cloud Architect, AWS Expert, Azure Engineer, Google Cloud Engineer, Kubernetes Expert, Docker, Terraform, Infrastructure as Code (IaC), CI/CD Pipelines, GitOps, ArgoCD, Cloud Automation, Cloud Security, Scalable Architecture, High Availability Systems, Cost Optimization, Python Automation
Akrem G.
$45/hr
100% Job Success
$10K+ earned
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5 years of experience as a DevOps and Cloud Engineer, and Kubernetes expert (CNCF Golden Kubeastronaut), with expertise in GCP. extensive experience in automating cloud infrastructure and managing CI/CD pipelines., I excel in using Terraform, GitLab CI, and Jenkins for cloud automation. I specialize in provisioning and automating GCP infrastructure, leveraging tools like Terraform, Helm, ArgoCD, Python, GitLab CI, and Jenkins to streamline deployments across services like GKE, GCE, Cloud Run, Cloud SQL, and more. Additionally, I’m skilled in FinOps, helping organizations optimize cloud costs and improve financial efficiency in cloud operations. Whether you're looking for expert Kubernetes guidance, cloud infrastructure management, FinOps optimization, or leveraging GCP services, I’m here to support your project from start to finish. Communication is key, so I ensure regular updates throughout. 🎓 Google Cloud Certifications: ✅ Professional Cloud DevOps Engineer ✅ Professional Cloud Architect ✅ Professional Cloud Developer ✅ Professional Cloud Security ✅ Professional Database Engineer ✅ Associate Cloud Engineer (ACE) ✅ Google Cloud Digital Leader ✅ Associate Data pratitionner 💡 Kubernetes & IaC Certifications: ✅ Certified Kubernetes Administrator (CKA) ✅ Certified Kubernetes Application Developer (CKAD) ✅ Certified Kubernetes Security Specialist (CKS) ✅ Certified Kubernetes and Cloud Native Associate (KCNA) ✅ Certified Kubernetes and Cloud Security Associate (KCSA) ✅ Certified Terraform Associate 003 ✅ FinOps Engineer
Denis S.
$45/hr
100% Job Success
$600K+ earned
Available now
Offers consultations
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🚀 Top 1% of Talent in 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & Technology Leadership ⚡ Building 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, enterprise platforms, SaaS solutions, and scalable digital ecosystems 🔧 Using modern AI tools including Cursor, Claude Code, GitHub Copilot, GPT-4/GPT-4o, and Claude Sonnet/Opus 🤖 Experienced in AI agents, LLM integrations, AI automation, and multi-agent development systems 🚀 Accelerating development with 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢, agentic coding, and automation-driven workflows 💻 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐀𝐍𝐃 𝐘𝐎𝐔𝐑 𝐓𝐄𝐀𝐌 𝐆𝐄𝐓 Full-Stack Web Development Master's - high-performance web application development utilizing React, Node.js, and PHP to build scalable SaaS, FinTech, and Enterprise software. AI & Automation Systems Innovators - custom LLM applications, RAG pipelines, and intelligent workflow automations seamlessly integrated into your infrastructure. 📊 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒 𝐈𝐍 𝐍𝐔𝐌𝐁𝐄𝐑𝐒 (𝐁𝐔𝐒𝐈𝐍𝐄𝐒𝐒 & 𝐒𝐘𝐒𝐓𝐄𝐌 𝐈𝐌𝐏𝐀𝐂𝐓) 25+ years, 50,000+ engineering hours, 200+ successful launches delivered as a Senior Full Stack Developer and tech leader across global industries. ◾ Full-Stack Web Development for Enterprise & SaaS Platforms: Engineered and launched custom AI-powered SaaS platforms that scaled to millions of active users with 99.99% operational uptime. Accelerated product development cycles by 40% by deploying optimized React component libraries and agile workflows. Backend Architecture & API Engineering (Node.js & PHP): Reduced server infrastructure costs by 50% by migrating legacy monoliths into scalable microservices using Node.js, NestJS, and PHP. Optimized heavy data-processing pipelines, reducing database latency by 70% via tailored PostgreSQL, MongoDB, and MySQL schemas. ◾ AI App Development & Workflow Automation: Developed and integrated proprietary OpenAI GPT, Claude, and Gemini models into operational CRMs, increasing client workflow efficiency by 180%. Successfully deployed secure, HIPAA-compliant healthcare applications and high-security FinTech platforms with built-in Stripe / PayPal integrations. 🎯 𝐖𝐇𝐄𝐑𝐄 𝐖𝐄 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 (𝐂𝐎𝐑𝐄 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄) As a Full Stack Developer & Solution Architect: I handle the full cycle of Full-Stack Web Development, defining technical roadmaps, designing scalable web applications, and ensuring bulletproof cyber-security protocols. As a Front-End Development Expert: Crafting pixel-perfect, highly responsive user interfaces using React, Next.js, TypeScript, Vue.js, and Angular to ensure maximum conversion rates and premium UX. As a Back-End Development Authority: Designing ultra-fast APIs and core services with Node.js (Express/NestJS), PHP, Python (FastAPI/Django), and modern Serverless Stack architectures. As a Cloud & DevOps Engineer: Implementing enterprise-grade cloud deployments via AWS, Google Cloud, and Azure, utilizing Docker, Kubernetes, and automated CI/CD pipelines. 🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 & 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓𝐔𝐑𝐄 𝐄𝐂𝐎𝐒𝐘𝐒𝐓𝐄𝐌 Frontend Suite: React, Next.js, TypeScript, Tailwind CSS, Vue.js, Angular, Responsive Web Design. Backend Core: Node.js, NestJS, Express.js, PHP, Python, FastAPI, Django. Databases & Caching: PostgreSQL, MongoDB, MySQL, Redis. APIs & Global Integrations: REST APIs, GraphQL, Webhooks, Stripe, PayPal, Twilio, SendGrid. Cloud & DevOps Platform: AWS (Amazon Web Services), Google Cloud, Azure, Docker, Kubernetes, Jenkins, GitHub Actions CI/CD. 🧠 𝐃𝐄𝐄𝐏 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 AI & SaaS Startups: Rapid MVP development, RAG pipelines, AI chatbots, and predictive analytics tools. FinTech & E-commerce: High-load payment gateways, customized checkout solutions, compliance, and ledger systems. Healthcare & PropTech: Automated workflow systems, secure patient portals, CRM platforms, and real-time data visualization dashboards. Enterprise Automation: Heavy B2B platforms, marketplaces, and cross-platform integrations. ⚡ 𝐇𝐎𝐖 𝐖𝐄 𝐖𝐎𝐑𝐊 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑 Strategic Discovery: As a CTO, I align your business goals, success metrics, and timeline constraints before writing a single line of code. Architecture Blueprinting: We map out the core database schemas, React frontend components, and Node.js / PHP API flows to ensure long-term scalability. Agile Iteration: Backed by the senior engineering powerhouse at Onix-Systems, we deliver high-velocity sprints with predictable, production-ready releases every 2 weeks. DevOps & Launch: Secure deployment across AWS/GCP/Azure with ongoing tech partnership and proactive optimization based on product metrics. Looking for a Senior Full Stack Developer and a Full-Stack Web Development team to turn your complex concept into a world-class, scalable web platform? 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭! Send over your project brief, scope, or existing codebase notes, and I’ll provide a high-level strategic roadmap for your next big launch. ☎️
Onix-Systems, LLC
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Onix-Systems, LLC
$30M+
earned
Pereowei D.
$30/hr
100% Job Success
$1K+ earned
Offers consultations
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Available up to 40 hrs a week. I help you deploy faster, scale reliably, and save money on AWS. Whether it’s setting up Kubernetes clusters, automating CI/CD pipelines, writing backends, or optimising cloud resources. I build infra that doesn’t break at 3 AM. I do my best thinking when I'm away from my desk, so hourly billing doesn't make sense for either of us🤝.
$35/hr
100% Job Success
$100K+ earned
Available now
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DevOps professional with 10+ years of experience in cloud engineering, specializing in AWS and with solid hands-on expertise in Azure and GCP. Currently seeking a long-term, full-time role where I can apply deep technical knowledge and drive continuous improvement across infrastructure and delivery pipelines. Highly experienced in containerization and orchestration using Docker and Kubernetes. Proven track record of optimizing cloud costs and streamlining DevOps processes, achieving up to 40% reduction in operational expenses while improving reliability and scalability. Core Expertise Cloud Platforms: AWS | Azure | GCP Infrastructure as Code: CI/CD & Automation | Terraform Containerization & Orchestration: Docker | Kubernetes ML Model Deployment in Cloud Environments Scalable & Secure Cloud Architecture Design Monitoring & Observability: Grafana | Prometheus | ELK Stack Let’s connect and discuss how I can bring measurable value to your team and projects.
Adil W.
$50/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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𝗝𝗮𝘃𝗮 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 🖥️, 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 🌱, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🛠️, 𝗔𝗪𝗦 ☁️, 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜𝘀 🔗 I help businesses build scalable, secure, and high performance backend systems that handle growth without slowing down. Most applications work well in the beginning. The problems start when traffic increases. APIs become slow, deployments become risky, and maintaining the code becomes expensive. That's where I come in. 𝗔𝘀 𝗮 𝗦𝗲𝗻𝗶𝗼𝗿 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘄𝗶𝘁𝗵 𝟭𝟯+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, I've helped startups and enterprise companies design, build, and optimize backend systems that scale reliably in production. I am not just a Java Developer who writes code. I help businesses create backend architectures that support growth, improve performance, and reduce technical debt. 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝗜'𝘃𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 • Built scalable Java Developer solutions serving thousands of daily users with high availability. • Designed Microservices architectures that reduced deployment risks and improved system reliability. • Developed Spring Boot applications that improved API response times and backend performance. • Helped businesses migrate legacy systems into modern Java Developer architectures. • Delivered production ready backend platforms for startups and enterprise organizations. Every project starts with a business goal and ends with measurable results. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Custom backend application development • Enterprise Java solutions • Legacy application modernization • Backend performance optimization • Secure and maintainable architecture 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • REST API development • Spring Security • Spring Data JPA • Authentication and authorization • Scalable backend services 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 • Distributed systems design • Service decomposition • API Gateway implementation • Event driven architecture • System scalability and resilience 𝗔𝗪𝗦 𝗖𝗹𝗼𝘂𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 • AWS deployment and infrastructure • EC2, ECS, Lambda • Cloud architecture design • Monitoring and optimization • Cost effective cloud operations 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • API design and implementation • Third party integrations • Payment gateway integration • Documentation and testing • Secure API architecture 𝗪𝗵𝗮𝘁 𝗠𝗮𝗸𝗲𝘀 𝗠𝗲 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 Most Java Developers focus only on writing code. I focus on the business impact of the software. 𝗕𝗲𝗳𝗼𝗿𝗲 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗮𝗻𝘆𝘁𝗵𝗶𝗻𝗴, 𝗜 𝗮𝘀𝗸: • Will this architecture still work when traffic grows? • Can future developers maintain it easily? • Is it secure? • Is it optimized for performance? • Can it scale without major rewrites? This approach helps clients avoid costly problems later. 𝗪𝗵𝗼 𝗜 𝗪𝗼𝗿𝗸 𝗕𝗲𝘀𝘁 𝗪𝗶𝘁𝗵 • Startups building new SaaS products • Businesses scaling existing applications • Companies modernizing legacy Java systems • Teams adopting Microservices architecture • Organizations migrating workloads to AWS • Businesses needing secure and scalable REST APIs 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 Java, Spring Boot, Spring Security, Hibernate, JPA, Microservices, AWS, Docker, Kubernetes, REST APIs, Kafka, RabbitMQ, PostgreSQL, MySQL, MongoDB, Redis, Maven, Gradle, Git, CI/CD, Jenkins 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 • 13+ years of Java Developer experience • Clean, maintainable code • Scalable backend architecture • Strong communication • Reliable delivery • Long term technical thinking If you're looking for a Java Developer who understands both software engineering and business objectives, let's discuss your project. Send an invitation and I'll respond within a few hours. Keywords: Java Developer, Senior Java Developer, Java Backend Developer, Java Software Engineer, Spring Boot Developer, Spring Boot Expert, Java Application Development, Enterprise Java Developer, Java Web Services, REST API Developer, RESTful API Development, Backend Developer, Backend Engineer, Microservices Developer, Microservices Architecture, Distributed Systems, AWS Developer, AWS Cloud Engineer, Java AWS Developer, Docker, Kubernetes, Kafka, RabbitMQ, Hibernate, JPA, Spring Security, API Integration, Database Design, PostgreSQL, MySQL, MongoDB, Redis, SaaS Backend Development, Scalable Application Development, Cloud Native Applications, Java Consultant, Software Architecture, System Design, Enterprise Application Development, Performance Optimization, CI/CD, Jenkins, Maven, Gradle, Full Stack Java Developer.
Adil W. has worked .
Ivan P.
$25/hr
100% Job Success
$9K+ earned
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🌐 Professional Cloud Engineer with Over 10 Years of Experience 💼 I am a seasoned Cloud Engineer with deep expertise in Linux, network engineering & administration, system engineering, and DevOps. With over a decade in the field, I bring a comprehensive skill set in system management, virtualization, and cloud infrastructure. 📌 Core Skills and Competencies: ✅ Multi-Cloud Architecture & Migration: AWS, GCP, Digital Ocean, Vultr, Hetzner 🚀 Automated Deployment: Ansible, Terraform 📦 Containerization: Docker, Kubernetes 💻 Scripting & Automation: Bash, Python 🔄 Continuous Integration: GitLab CI, GitHub Actions 🌐 Software (ERP/CRM/CMS): WordPress, Laravel, Joomla ⚙️ Linux Systems Administration: RedHat, Debian, Ubuntu 📊 Database Management: MySQL, MariaDB 📧 Mail Servers: Exim, Postfix, Dovecot, Spamassassin, Roundcube 🔧 Web Servers: Apache, Nginx, Varnish, Memcached, Php-fpm 🛠️ Hosting Panels: cPanel, WHM, Plesk, Webmin, VestaCP, ISPManager 📡 DNS Tools, CDN & WAAP: Cloudflare, Akamai 📈 Monitoring Tools: Zabbix, Cacti, Nagios 🌐 Networking: IP tools, Iptables, OpenVPN ⚠️ Note: Currently, I reside in a city affected by daily shelling. I am not accepting large-scale projects at the moment, but I continue to work and remain connected, supported by a generator, battery backup, and multiple internet providers. 🙏 Take care of yourself and your loved ones, and cherish every moment spent together.
Bohdan N.
$35/hr
100% Job Success
$30K+ earned
Available now
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⭐⭐⭐⭐⭐ Top Rated Plus on Upwork 100% Job Success Score I'm a Java developer with 8+ years delivering production-grade systems from serverless AWS architectures to distributed microservices serving healthcare and fintech clients. 𝗪𝗵𝗮𝘁 𝗜'𝘃𝗲 𝗕𝘂𝗶𝗹𝘁 ➡ As lead Java developer at my current company, managed a team of 8 engineers over 7 years — delivering 4 production systems across healthcare, fintech, and AI verticals. ➡ Designed serverless AWS infrastructure for a US longevity and healthcare platform as an AWS developer — Lambda, AppSync, DynamoDB, Cognito, SNS/SQS, Stripe, HubSpot currently in production. ➡ Led migration from monolithic Spring apps to distributed microservices — reducing deployment complexity and enabling independent scaling per service. ➡ Built a PDF/UA accessibility compliance platform as backend developer using Java 21, iText 7, PDFBox, veraPDF processing and remediating documents of hundreds of pages against international accessibility standards. ➡ Delivered an AI-powered workflow automation platform as an AI developer integrating Spring AI, Azure cloud, and automated Stripe subscription workflows. ➡ Shipped a medical practitioner dashboard integrating 3rd-party hardware APIs and clinical toolkits as backend developer and tech lead serving real patients and practitioners in production. Core experience as a Java developer and Backend developer As a Java developer with 8+ years in production systems, my core is Java 8 through Java 21 with the full Spring ecosystem Boot, Cloud, Security, WebFlux, Batch, and Spring AI for AI-integrated backends. I work across both relational (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB, Redis) databases, selecting the right store based on access patterns not habit. As a backend developer I've optimised slow MongoDB queries to cut response times, redesigned DynamoDB access patterns for a high-throughput healthcare API, and built Redis caching layers that kept latency flat under load. As an AWS developer, my hands-on stack covers Lambda, AppSync, DynamoDB, Cognito, SQS, SNS, SES, S3, API Gateway, Route 53, and CloudFormation built and maintained in a live US healthcare platform. I design serverless pipelines end-to-end, not just deploy to them. For async workloads I wire event-driven systems using Kafka, RabbitMQ, or AWS SNS/SQS depending on durability and throughput requirements. On the container side: Docker, Kubernetes, Helm, OpenShift, Terraform, and Jenkins full IaC from infrastructure definition to CI/CD pipeline. As an AI developer, I've shipped Spring AI integrations for workflow automation backends, built document intelligence services capable of processing and remediating hundreds-of-pages PDFs against accessibility standards, and connected GraphQL APIs via AWS AppSync for mobile and web AI-driven applications. I also have production experience integrating medical hardware APIs, Stripe subscription billing, and HubSpot CRM sync into Java backends the kind of third-party integration work every backend developer eventually owns in a real product. AWS Developer & 𝗖𝗹𝗼𝘂𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 ✅ Currently operating as AWS developer on a live healthcare platform Lambda, AppSync, DynamoDB, Cognito, SQS/SNS/SES, S3, API Gateway, Route 53, CloudFormation ✅ Experience as AWS developer across serverless, containerized (ECS/K8s), and IaC (Terraform, CloudFormation) environments ✅ Also experienced across Azure (AKS, Azure DevOps) and GCP as multi-cloud backend developer ✅ Kubernetes, Helm, Docker, OpenShift, Jenkins, Terraform the full DevOps chain every AWS developer deploys through AI developer 𝗖𝗮𝗽𝗮𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀 ✅ Delivered AI-powered backend services as AI developer using Spring AI automated content generation and workflow orchestration at scale ✅ AWS AppSync + DynamoDB + Cognito pipeline for a live healthcare platform: the architecture an AI developer builds when latency and data integrity are non-negotiable ✅ Experienced AI developer integrating third-party AI tooling with enterprise Java backends designing event-driven pipelines that handle async AI workloads via Kafka and SQS ✅ As AI developer, built document intelligence features automated PDF tagging, structure remediation, and accessibility validation across large document corpora 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 Healthcare · Fintech · SaaS · E-commerce · Logistics · Telecom · IoT · Blockchain · Automotive · Media 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗥𝗼𝗹𝗲𝘀 ✔ Senior Java Developer · Java Spring Boot Developer · Java Backend Developer ✔ AWS Cloud Engineer · AWS DevOps Engineer ✔ Azure Cloud Engineer · Google Cloud Engineer ✔ AI Backend Developer · Full-Stack Developer (Spring Boot + React) ✔ AI Backend Developer · Full-Stack Developer (Spring Boot + React) Need a Java developer, backend developer, AWS developer, or AI developer who ships production systems — not prototypes? Drop me a message. 04/06/2026