Hire the Best Serverless Developers
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Debra W.

Los Angeles, California

$250/hr
4.9
104 jobs

AI Systems · Platform Architecture · Full-Stack · DevOps · Financial & Blockchain Infrastructure I’m a fractional CTO and technical advisor helping founders and operators make high-leverage technology decisions across AI, finance, and complex platforms. I work with companies that need senior-level judgment — not just execution — to define their tech stack, product roadmap, budgets, and fundraising strategy. My background spans AI systems, platform architecture, DevOps, full-stack development, and security-first financial and blockchain infrastructure. I’m particularly strong at: • Translating business and financial goals into scalable technical architecture • Designing and deploying AI systems that reduce operational overhead and improve margins • Evaluating SaaS vs custom build decisions with a clear ROI lens • Advising on data, security, and compliance for regulated or revenue-critical systems • Supporting founders through technical due diligence and investor conversations I’ve served as CTO or senior advisor across startups and growth-stage companies in fintech, marketplaces, media, government services, and operationally complex businesses. My role is often to bring clarity where teams are stuck, reduce risk in major technical decisions, and build systems that scale without unnecessary complexity. If you’re looking for a senior technical partner who understands AI, finance, and real-world operations, I’m happy to start with an audit or advisory engagement.

  • Serverless Computing
  • TypeScript
  • Node.js
  • Docker
  • Python
  • PostgreSQL
  • AWS Lambda
  • DevOps
  • Solidity
  • Blockchain
  • Infrastructure as Code
Sean F.

Chicago, Illinois

$95/hr
4.9
28 jobs

I'm a certified solutions architect for Amazon Web Services with experience in full-stack software development. My typical stack for web development is a React.js front-end paired with a node.js backend hosted on AWS. For mobile development my preferred stack is React-Native but I have experience in native development with Swift for iOS and native Android development in Java. I'd love to help your project at any stage, whether it's UX design, software development, API integration, data migration, or even just bug fixes & documentation. Whether you've got a new idea for an app or need a consult for a redesign on one of your micro-service containers, let me know how I can assist!

  • JavaScript
  • TypeScript
  • React
  • Database
  • React Native
  • Amazon Web Services
  • Firebase
  • DevOps
  • Serverless Stack
  • CI/CD
  • App Development
  • Ethereum
  • Software Architecture & Design
  • API Development
  • Blockchain Development
Vikram S.

Houston, Texas

$15/hr
5.0
3 jobs

Senior Java Developer with 10+ years of experience delivering, supporting, and enhancing complex, high-availability systems for Fortune 500 organizations. My core experience is Java (up to Java 17), Spring, and Spring Boot, with strong hands-on experience in modern DevOps practices, including Docker, CI/CD pipelines, and cloud platforms such as AWS. I’ve worked across the full software development lifecycle — from system design to implementation. Along with the back-end, I also have experience working on front-end technologies such as the Angular framework and TypeScript/JavaScript. I communicate clearly and have worked closely with product owners, business stakeholders, and cross-functional teams (Test/QA, DevOps, Production Support), including remote and distributed teams, to deliver reliable production systems. In addition, I bring deep domain experience in energy and financial trading platforms, including OpenLink Endur, Sungard (FIS) Nucleus, Sungard (FIS) Entegrate, TradeWeb, MarketAxess, Murex, Bloomberg Terminal, and the FIX Protocol. Front End JEE: HTML, CSS, Servlets, JSP, JavaScript, JQuery, TypeScript, Angular Back End JEE: Java, JDBC, JPA, Hibernate, Spring Data, EJB JEE Web Services: REST, SOAP, JSON, XML, OpenAPI, Swagger, GraphQL JEE Frameworks: Spring, Spring Boot, Spring MVC, Struts MVC JEE IDE/Build/Test: STS, Eclipse, Ant, Maven, Gradle, JUnit, Mockito, TDD Version Control: Git, GitHub, SVN, CVS Database: MySQL, Oracle, Sybase, SQL, PL/SQL, SQL Server DevOps: CI/CD, Travis CI, Jenkins, Docker, Kubernetes, Terraform AWS Cloud: EC2, IAM, S3, Lambda, CodeBuild, SDK v2, AppSync, ECS, EKS Microservices: Spring Cloud, Netflix Eureka, OpenFeign, DDD, Saga, Zipkin Messaging: Kafka, RabbitMQ, ActiveMQ Security: Spring Security, OAuth2, JWT, OpenID Connect, Keycloak AI Assistants: GitHub CoPilot, Claude, ChatGPT, Cursor, Gemini

  • Serverless Computing
  • Spring Framework
  • Java
  • Microservice
  • Spring Boot
  • Docker
  • Java Persistence API
  • REST API
  • AWS Lambda
  • Agile Project Management
  • J2EE
  • AWS CodeBuild
  • Financial Trading
  • Online Financial Trading
  • Angular
  • Amazon Web Services
Tanner B.

Green Cove Springs, Florida

$75/hr
5.0
3 jobs

𝗜 𝗵𝗲𝗹𝗽 𝗳𝗼𝘂𝗻𝗱𝗲𝗿𝘀 𝗮𝗻𝗱 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝘁𝗲𝗮𝗺𝘀 𝘀𝗵𝗶𝗽 𝗳𝗮𝘀𝘁𝗲𝗿 𝗯𝘆 designing and implementing serverless architecture designs and following async development best practices. With 5+ years of experience in cloud application development, DevOps, and scalable SaaS systems (using Amazon Web Services), I specialize in Serverless technology that provides the technical backbone that allows startups to launch features faster, reduce bugs, and scale without stress. 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀 𝗳𝗿𝗼𝗺 𝗣𝗿𝗲𝘃𝗶𝗼𝘂𝘀 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: ✔️ Amazon Web Services (AWS) – Built reusable React + TypeScript CDK templates, saving 100+ developer weeks (over $280,000 USD in dev costs saved) across 13 AWS teams. ✔️ AWS JAMS – Designed CloudFormation + IAM policies for 4 systems, with 2 ranked in the Top 10 AWS JAMS of 2023. ✔️ Healthcare SaaS – Integrated 3rd-party healthcare clearinghouse SOAP API, increasing automation of transactions by 5% and enabling faster claims processing. ✔️ Enterpise Healthcare Company – Migrated 20+ enterprise healthcare apps from Java/Angular to modern React micro frontends, successfully onboarding 5+ dev teams and reducing compliance risks. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗶𝗻 𝗦𝗽𝗿𝗶𝗻𝘁𝘀: ◉ CI/CD Pipelines → Automated testing + deployments (GitHub Actions, GitLab CI, AWS CodePipeline) ◉ Scalable Cloud Infrastructure → AWS Lambda, API Gateway, DynamoDB, S3, written in either Terraform or Typescript AWS CDK ◉ Automated Testing Coverage → Jest, Cypress, Playwright for JavaScript/TypeScript + Python stacks ◉ Developer Workflow Optimization → Clear processes, documentation, and faster release cycles 𝗠𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵 ● Fast Impact → I prioritize immediate bottlenecks that save teams the most time. ● Clarity First → Every sprint comes with documentation + actionable steps your team can own. ● Scale in Mind → Systems built today that support your growth tomorrow. 𝗜𝗳 𝘆𝗼𝘂’𝗿𝗲 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 an MVP 𝗮𝗻𝗱 𝗻𝗲𝗲𝗱 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝘀𝗰𝗮𝗹𝗲 𝗮𝘀 𝗳𝗮𝘀𝘁 𝗮𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘃𝗶𝘀𝗶𝗼𝗻, 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗴𝗲𝘁 𝘁𝗵𝗲𝗿𝗲.

  • Serverless Computing
  • Web Application
  • SaaS
  • Angular
  • Python
  • Serverless Stack
  • API Development
  • AWS Development
  • DevOps
  • CI/CD
  • Cloud Architecture
  • IT Infrastructure
  • Terraform
  • AWS CodePipeline
  • Automated Deployment Pipeline
Roman Z.

Boca Raton, Florida

$150/hr
5.0
34 jobs

Top 1% Upwork expert full-stack software engineer, architect, and technology leader focused on software architecture, AWS, Node.js, Python, database design/optimization, CI/CD, and DevOps. I use modern AI Agentic tools to build MVPs or full scale apps in a short timeframe. Agentic tools: Claude Code, OpenClaw, N8N Programming: TypeScript/JavaScript, Python, Node.js, Shell Frameworks: Nest.js, React, Express, Django Databases: PostgreSQL, MySQL, DynamoDB, Timestream, MongoDB AWS: Lambda, API Gateway, ECS, RDS, SQS, SNS, S3, EC2, Route53, Redshift, CloudWatch, Serverless, etc. DevOps: CloudFormation, SAM, Terraform, CodePipeline, GitHub Actions, CI/CD AI/Automation: n8n orchestration; OpenAI/Anthropic tool calling; optional RAG/pgvector when needed; guardrails/observability Containers: Docker, Docker Compose, ECS, Kubernetes Blockchain: Ethereum, Algorand, DeFi, Hyperledger Indy/Aries, Self-Sovereign Identity Analytics/BI: Qlik, Tableau, Fine BI, Power BI Other: Software Architecture, Stripe payments, Stock/options trading Highly proficient in FinTech, DeFi, and financial services. Open to: Fractional CTO, Technical Advisor, Project Rescue

  • Node.js
  • FinTech Consulting
  • Software Architecture & Design
  • FinTech
  • AWS Lambda
  • SaaS
  • Serverless Stack
  • Python
  • Cloud Computing
  • Blockchain
  • Smart Contract
  • API
  • Capital Markets
  • Agile Software Development
  • Amazon Web Services
  • Algorand
  • Requirements Specification
Lev P.

New York, New York

$200/hr
4.9
60 jobs

My specialty and proven track record is enabling founders to go from idea to production rapidly using an AI-driven, agentic software development process built around the following AI-centric pipeline: Discovery → AI Transcription → AI-Optimized Spec → Test-first Development → AI and Human Code Review → Iterative Delivery → Production Claude Cowork was written in 10 days utilizing this process. My background: I’m a US based Fractional CTO & Software Architect with 20+ years of experience leading startups to funding. This combined with extensive experience leading mission-critical initiatives at large organizations like The Federal Reserve and Fannie Mae. I work best with founders who want to move fast, stay lean, and get to a real, working product without unnecessary complexity. Let's build something great.

  • Serverless Computing
  • AI Agent Development
  • LLM Prompt Engineering
  • AI App Development
  • Blockchain Architecture
  • Blockchain Development
  • Web3
  • Serverless Stack
  • Solution Architecture
  • Next.js
  • NestJS
  • Flutter
  • Vector Database
  • Vector Embedding
  • Retrieval Augmented Generation

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