Hire the Best AWS AppSync Developers

Clients rate our AWS AppSync Developers
Rating is 4.8 out of 5.
4.8/5
Based on 163 client reviews
Dawid G.

Dover, Delaware

$99/hr
5.0
52 jobs

If your AWS bill keeps climbing, production breaks under load, or a compliance deadline is getting close - the problem is rarely just AWS. It’s the architecture. I step into fragile systems and fix both: cloud infrastructure, and the application design running on it. Because even perfect AWS setup cannot save software that wasn’t designed to scale, isolate failures, or handle real production traffic. Most teams I work with are stuck in one of these situations: - AWS costs rising every month with no clear reason - Systems that pass tests but fail under real traffic - Compliance pressure from regulators or auditors - Constant firefighting instead of controlled releases Hiring more engineers or adding more monitoring increases complexity. I simplify the architecture - both infrastructure and code-level design - so the problems stop repeating. Recent outcomes: - Avoided a $5M federal penalty by delivering a critical federal platform before deadline, focusing only on what was required for compliant launch - Cut hosting costs from $96K to $14K per year by eliminating architectural waste across infrastructure and services - Designed and delivered a FedNow-ready, Federal Reserve-compliant real-time payments system scaling to 60,000 transactions per second using horizontally scaled services built specifically for cloud behavior What changes after I’m done: - Infrastructure and software designed to scale together - Predictable AWS costs - Systems that stay stable under load - Clear documentation and runbooks - A team that can operate it independently I build boring, predictable systems on purpose. Boring systems survive audits, scale events, and 3am incidents. If you’re dealing with cost pressure, reliability issues, or compliance risk, send me your biggest concern. I’ll tell you exactly what I would fix first and whether it’s worth doing. If it’s not a fit, I’ll say so.

  • AWS AppSync
  • Amazon DynamoDB
  • Node.js
  • API Development
  • AWS Lambda
  • API
  • Startup Company
  • Amazon ECS
  • AWS IoT Core
  • Socket Programming
  • AWS CloudFormation
  • AWS CodeDeploy
  • CI/CD
  • AWS Fargate
  • AWS CloudFront
Wajid Z.

Tallinn, Estonia

$50/hr
4.6
54 jobs

🥇 10,000+ hours with 100% Job Success 🥇 Upwork Top-Rated Plus Developer 🥇 100% client recommendation 💎 Full Stack Engineer ✅ React, Next, Django, Node and AWS ✅ Amazon Web Services: ▪ Amplify, AppSync, Serverless Lambda and S3 ▪ Database (RDS, DynamoDB, Mongo) ▪ Terraform, CloudFormation and Ansible ▪ Docker and Kubernetes ▪ EC2, ECS, Load Balancing, Cognito and IAM ▪ CloudFront and Route 53 Launch and Configure Serverless Applications, Static and Dynamic websites. Monitor with CloudWatch and Audit with CloudTrail

  • AWS AppSync
  • Amazon Web Services
  • React Native
  • Node.js
  • Python
  • React
  • AWS Amplify
  • GraphQL
  • MongoDB
  • PostgreSQL
  • MySQL
  • Vue.js
  • Next.js
  • Docker
  • Django
Nikunj B.

Surat, India

$20/hr
5.0
107 jobs

🚀 Full-Stack SaaS Engineer | AI Integration Specialist | Technical Lead 👋 Welcome to my profile! I am a Full-Stack Developer with 7+ years of experience building scalable web applications, SaaS platforms, mobile applications, and AI-powered solutions. As a Technical Lead, I have successfully delivered projects from architecture design and development to deployment and long-term maintenance. I specialize in creating high-performance, secure, and scalable applications that solve real business challenges. My expertise spans modern frontend frameworks, robust backend systems, cloud infrastructure, and AI integrations that help businesses automate workflows and accelerate growth. 💡 What I Bring ✔ Full-stack application development ✔ SaaS platform architecture and development ✔ AI-powered applications and workflow automation ✔ Cloud-native and serverless solutions ✔ REST API & GraphQL development ✔ Mobile application development ✔ Real-time applications and dashboards ✔ Scalable database design and optimization ✔ CI/CD, DevOps, and cloud deployment 🖥️ Frontend Technologies ✔ React.js ✔ Next.js ✔ Angular ✔ Vue.js ✔ React Native ✔ Redux ✔ TypeScript ✔ JavaScript ✔ HTML5 ✔ CSS3 ✔ Tailwind CSS ✔ Bootstrap ✔ Chart.js ✔ Plotly.js ⚙️ Backend Technologies ✔ Node.js ✔ NestJS ✔ Express.js ✔ Microservices Architecture ✔ REST APIs ✔ GraphQL 🗄️ Databases ✔ PostgreSQL ✔ MySQL ✔ MongoDB ✔ DynamoDB ✔ Firebase ✔ Supabase 🤖 AI & Automation I actively leverage modern AI technologies and development tools to build intelligent applications and accelerate development workflows. AI Expertise ✔ OpenAI API Integration ✔ Claude AI Integration ✔ AI Assistants & Chatbots ✔ LLM-Based Applications ✔ AI Workflow Automation ✔ AI Content Generation ✔ AI-Powered SaaS Platforms ✔ Intelligent Search & Recommendation Systems AI Development Tools ✔ Claude Code ✔ Cursor AI ✔ GitHub Copilot ✔ OpenAI ✔ Anthropic Claude ☁️ Cloud & DevOps ✔ AWS Lambda ✔ EC2 ✔ S3 ✔ CloudFront ✔ AppSync ✔ DynamoDB ✔ Amplify ✔ Route53 ✔ Serverless Architecture ✔ Docker ✔ GitHub Actions ✔ CI/CD Pipelines Mobile Development ✔ React Native ✔ Android ✔ iOS 🛠️ Services I Offer ✔ SaaS Development ✔ AI Application Development ✔ Full-Stack Web Development ✔ Mobile App Development ✔ API Development & Integration ✔ Real-Time Applications ✔ Cloud Infrastructure Setup ✔ Performance Optimization ✔ Bug Fixing & Maintenance ✔ System Modernization & Scaling 🎯 My Approach I believe clients are not simply looking for software developers—they are looking for trusted technology partners who can deliver solutions that create measurable business value. My focus is on building reliable, scalable, and user-friendly products while maintaining high standards for code quality, security, performance, and maintainability. If you're looking for a developer who combines strong technical expertise with AI-driven productivity and a business-oriented mindset, I'd be happy to discuss your project. Let's build something great together.

  • Amazon Web Services
  • Full-Stack Development
  • TypeScript
  • React
  • Next.js
  • Node.js
  • NestJS
  • React Native
  • PostgreSQL
  • JavaScript
  • MongoDB
  • GraphQL
  • REST API
  • SaaS Development
  • Artificial Intelligence
  • OpenAI API
  • Automation
  • API Integration
  • DevOps
  • AI Bot
Mehul P.

Ahmedabad, India

$40/hr
5.0
91 jobs

Hi, I’m Mehul, a Top-Rated-Plus AWS Expert and DevOps Engineer who helps startups and founders launch and scale reliable SaaS, healthcare, and fintech platforms on AWS. ✅ Top 1% Upwork Freelancer ✅ 125+ Projects Completed ✅ 7000+ Hours Worked ✅ Top-Rated Plus on Upwork ✅ AWS Certified Developer - Associate 🏆 🏆 I’ve designed systems serving 2M+ users, built HIPAA-compliant healthcare apps, and helped teams cut cloud bills by 30–40 % without compromising performance. My focus is simple: build it once, make it scale, and keep your costs under control. ✅ What I Do ➥ Architect secure, serverless AWS setups using Lambda, API Gateway, and DynamoDB ➥ Deploy AI Agent to AWS with Bedrock ➥ Automate deployments with Terraform, GitHub Actions, and CodePipeline ➥ Optimise infrastructure for speed, uptime, and cost 💡 Why Work With Me ➥ 7+ years in AWS DevOps ➥ $300 K+ earned on Upwork, 100 % Job Success Known for clear communication, quick delivery, and long-term reliability Let’s connect if you’re building a product and want an AWS setup that’s secure, scalable, and easy to manage so you can focus on growing your business while I handle the cloud. Experienced with Amazon EC2, S3, RDS, Aurora, DynamoDB, ElastiCache, CloudFront, API Gateway, Step Functions, EKS, Fargate, CodePipeline, CodeBuild, CloudWatch, Grafana, Prometheus, GuardDuty, Security Hub, AWS Organisations, SCPs, KMS, Secrets Manager, IAM, WAF, Route53, ACM, Amplify, SageMaker, Bedrock, OpenSearch, and CloudFormation. Python, Bash, TypeScript, Node.js, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, n8n, Zapier.

  • Amazon Web Services
  • Node.js
  • Amazon EC2
  • AWS Lambda
  • DevOps
  • ChatGPT
  • Amazon S3
  • Amazon Lightsail
  • Terraform
  • AWS Development
  • DevOps Engineering
  • Docker
  • AI Agent Development
  • Amazon Bedrock
  • Claude
Kisan T.

Kathmandu, Nepal

$65/hr
5.0
2 jobs

Hi, I’m Kisan 👋 I help startups and growing teams design scalable solutions on AWS, reduce cloud costs, and make sense of complex systems without overengineering. If you’re dealing with: - Rising AWS bills - Confusing or fragile cloud architecture - Performance or scalability concerns - Or need clear, developer-focused technical content You’re in the right place. What I do best: ✅ AWS Architecture & Optimization Design and improve cloud architectures that are secure, scalable, and cost-efficient. ✅ AWS FinOps & Cost Optimizatioin Identify waste, optimize services, and help teams build cost-aware cloud systems. ✅ Cloud & DevOps Technical Writing High-quality, SEO-optimized technical content written by someone who actually builds systems. Who am I? - Cloud Solutions Architect (AWS) - Docker Captain - AWS Community Builder - Author of The Cloud Handbook Newsletter - Founder of Towards AWS Why work with me? - AWS Cloud Engineer & Solution Architect with real production experience - Content read by millions of developers worldwide - Strong at both building systems and explaining them clearly How to get started? Send me a short message with: - What you’re building - Your current challenges And I’ll tell you honestly if I can help and how.

  • AWS AppSync
  • JavaScript
  • Node.js
  • Amazon DynamoDB
  • API Development
  • AWS Lambda
  • Web Development
  • AWS Amplify
  • Technical Writing
  • Cloud Development
  • Cloud Engineering
  • Serverless Computing
  • Cloud Architecture
  • AWS Development
Muhammad M.

Luton, United Kingdom

$35/hr
4.9
51 jobs

I help startups and enterprises build fast, scalable 𝐒𝐚𝐚𝐒 platforms and 𝐀𝐈-𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐞𝐝 applications. With 8+ years of experience across the full stack, I specialize in clean architecture, secure APIs, and production-ready infrastructure. I don't just write code; I help you plan, build, and scale your product from MVP to production. 𝑻𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝑺𝒕𝒂𝒄𝒌: 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, Vue.js, Angular, Svelte, Tailwind CSS, Material-UI, GraphQL. Focus on reusable components, responsive design, and modern UI frameworks. 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express, NestJS, REST APIs, Microservices, JWT/OAuth, WebSockets. Emphasis on secure architecture patterns and real-time data handling. 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: PostgreSQL, MySQL, MongoDB, Firebase, Supabase, DynamoDB, Redis. Optimized for speed, indexing, and high-scale data management. 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: AWS (Lambda, S3, RDS, Cognito, AppSync), Docker, Terraform, Infrastructure as Code (IaC). CI/CD automation with GitHub Actions & AWS CodePipeline. 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐓𝐨𝐨𝐥𝐬: Jest, Cypress, Playwright (E2E Testing), Web Scraping (Puppeteer, Cheerio), Google Analytics, Sentry, and Real-time Monitoring. 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗙𝗼𝗰𝘂𝘀: 𝐀𝐈 & 𝐒𝐚𝐚𝐒 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: Architecting backends for heavy-data applications (e.g., AI audio processing, EdTech) without compromising performance. 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 & 𝐑𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Optimizing database queries, ensuring low-latency frontend rendering, and writing clean, maintainable code. Let’s talk about how I can help take your project to the next level.

  • AWS AppSync
  • Amazon Web Services
  • Node.js
  • Redux
  • React
  • Next.js
  • SaaS
  • GraphQL
  • AWS Lambda
  • NestJS
  • React Native
  • Serverless Computing
  • Amazon Cognito
  • Database
  • Blockchain

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