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I’m Alex Savic, a senior full stack engineer and AI/LLM specialist with 13+ years of experience building cloud-native SaaS platforms and enterprise-grade systems. I focus on designing scalable architectures, building robust APIs, and delivering high-quality frontend experiences with React and Next.js. I also build AI-powered features in production—integrating OpenAI and Claude, implementing RAG and vector-based retrieval, and developing AI agents and intelligent workflow automation with LangChain/LangGraph and LlamaIndex. I’m comfortable across the full delivery lifecycle, from CI/CD and observability to performance tuning on AWS and Microsoft Azure.…I’m Alex Savic, a senior full stack engineer and AI/LLM specialist with 13+ years of experience building cloud-native SaaS platforms and enterprise-grade systems. I focus on designing scalable architectures, building robust APIs, and delivering high-quality frontend experiences with React and Next.js. I also build AI-powered features in production—integrating OpenAI and Claude, implementing RAG and vector-based retrieval, and developing AI agents and intelligent workflow automation with LangChain/LangGraph and LlamaIndex. I’m comfortable across the full delivery lifecycle, from CI/CD and observability to performance tuning on AWS and Microsoft Azure.

ALEX SAVIC

Full Stack Developer, Software Engineer, Back-End Developer, +2

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I’m Alex Savic, a senior full stack engineer and AI/LLM specialist with 13+ years of experience building cloud-native SaaS platforms and enterprise-grade systems. I focus on designing scalable architectures, building robust APIs, and delivering high-quality frontend experiences with React and Next.js. I also build AI-powered features in production—integrating OpenAI and Claude, implementing RAG and vector-based retrieval, and developing AI agents and intelligent workflow automation with LangChain/LangGraph and LlamaIndex. I’m comfortable across the full delivery lifecycle, from CI/CD and observability to performance tuning on AWS and Microsoft Azure.…I’m Alex Savic, a senior full stack engineer and AI/LLM specialist with 13+ years of experience building cloud-native SaaS platforms and enterprise-grade systems. I focus on designing scalable architectures, building robust APIs, and delivering high-quality frontend experiences with React and Next.js. I also build AI-powered features in production—integrating OpenAI and Claude, implementing RAG and vector-based retrieval, and developing AI agents and intelligent workflow automation with LangChain/LangGraph and LlamaIndex. I’m comfortable across the full delivery lifecycle, from CI/CD and observability to performance tuning on AWS and Microsoft Azure.

Available to hire

I’m Alex Savic, a senior full stack engineer and AI/LLM specialist with 13+ years of experience building cloud-native SaaS platforms and enterprise-grade systems. I focus on designing scalable architectures, building robust APIs, and delivering high-quality frontend experiences with React and Next.js.

I also build AI-powered features in production—integrating OpenAI and Claude, implementing RAG and vector-based retrieval, and developing AI agents and intelligent workflow automation with LangChain/LangGraph and LlamaIndex. I’m comfortable across the full delivery lifecycle, from CI/CD and observability to performance tuning on AWS and Microsoft Azure.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Senior Full Stack Engineer | AI & LLM Specialist at Self-Employed

January 1, 2023 - October 1, 2026

Architected and delivered full-stack SaaS products using TypeScript/JavaScript, Python, React.js/Next.js, and Node.js/NestJS. Integrated OpenAI API, Anthropic Claude, LangChain, LangGraph, and LlamaIndex to add conversational intelligence, content processing, and workflow automation. Built RAG document ingestion and vector retrieval pipelines to produce grounded, contextual responses, and developed multi-step AI agents for business operations and document processing. Implemented prompt engineering, model evaluation, and response-quality monitoring. Built cloud infrastructure with AWS/Azure, Docker, Kubernetes, Terraform, and CI/CD pipelines using GitHub Actions and GitLab CI/CD. Designed and optimized data architectures with PostgreSQL, MongoDB, Redis, Elasticsearch, MySQL, and Firebase, and maintained production quality via automated testing, secure authentication, monitoring, performance tuning, and release management.

Senior Full Stack Software Engineer at CCSL - Innovative Software Solutions

February 1, 2019 - December 1, 2022

Designed scalable backend services and microservice architectures using Node.js, Python (Express/Nest patterns), and .NET (ASP.NET Core/.NET). Developed REST and GraphQL APIs for frontend applications and distributed integrations, and built frontend applications with React.js/Next.js plus Angular and Vue.js using Redux and Tailwind CSS. Implemented Docker-based deployment workflows and CI/CD automation with Jenkins, GitHub Actions, and GitLab CI/CD. Managed multiple databases including PostgreSQL, MySQL, MongoDB, Redis, Firebase, and Elasticsearch with schema design and query optimization. Improved observability using structured logging and Prometheus/Grafana, strengthened security with JWT and role-based access control, and supported Agile planning, code reviews, testing, and continuous delivery.

Full Stack Application Engineer at Rana GmbH

March 1, 2016 - January 1, 2019

Built business applications with JavaScript/TypeScript, Node.js, React.js, Angular, Vue.js, and .NET technologies. Developed reusable frontend components and responsive UI using Redux and component-based architecture. Implemented backend services with Node.js/Express/NestJS and ASP.NET Core, including REST API development and GraphQL integrations. Designed and optimized data structures across MongoDB, PostgreSQL, MySQL, and Redis, and supported authentication/authorization and error handling flows for third-party API integrations. Worked with Docker-based development and deployments across Linux, Nginx, AWS, and Azure. Contributed to automated testing, debugging, performance optimization, documentation, and Agile collaboration with release cycles.

Software Developer at CleanSoft DOO

July 1, 2013 - February 1, 2016

Developed web application modules with JavaScript, HTML5/CSS3, Node.js, and REST API integrations. Implemented frontend functionality with React.js and reusable component-based development practices, and assisted backend development with Node.js/Express.js and .NET technologies. Worked with PostgreSQL, MySQL, MongoDB, and Redis for data management and basic operational maintenance. Supported Linux/Nginx deployment processes and basic infrastructure tasks, and participated in QA activities such as regression testing and production troubleshooting. Collaborated in Agile/Scrum using Jira, code reviews, and technical documentation, supporting refactoring, optimization, and integration work.