Harsh Goel

Full Stack Developer

Code Pillars • Freiberufler

Nov 2024 - Present • 1 yr 6 mos

• Worked as a Freelance Full Stack Developer delivering end-to-end web and AI-driven solutions for startups and clients across different domains. • Built scalable backend systems using NestJS and Node.js, following clean architecture, modular design, and best practices. • Developed modern frontend applications using Next.js, including upgrades to AI-powered RAG (Retrieval-Augmented Generation) systems. • Designed and implemented AI chatbots and web-based AI applications, integrating LLMs, embeddings, vector databases, and real-time APIs. • Worked extensively on AI workflows, including prompt engineering, RAG pipelines, and conversational AI systems for business use cases. • Implemented DevOps practices such as Dockerization, environment management, logging, and monitoring. • Set up CI/CD pipelines to automate build, test, and deployment processes, improving delivery speed and reliability. • Deployed and managed applications on AWS (EC2, S3, IAM, CloudWatch, etc.), ensuring scalability, security, and cost efficiency. • Collaborated directly with clients to gather requirements, propose technical solutions, and deliver production-ready systems. • Maintained high code quality through testing, documentation, and performance optimization.

Full Stack Developer

Mindweb Technologies • Vollzeit

Dec 2021 - Aug 2024 • 2 yrs 8 mos

• Worked as a Full Stack Developer with hands-on experience in the MERN stack (MongoDB, Express.js, React.js, Node.js) to build scalable and high-performance web applications. • Developed RESTful APIs using Node.js and Express.js, handling authentication, authorization, data validation, and error handling. • Designed and managed MongoDB schemas using Mongoose, optimized queries, and ensured efficient data storage and retrieval. • Built responsive and dynamic user interfaces using React.js, implementing reusable components and managing state efficiently. • Integrated frontend applications with backend APIs and ensured smooth data flow across the system. • Collaborated closely with designers, backend/frontend teammates, and stakeholders to understand requirements and deliver features on time. • Participated in code reviews, debugging, and performance optimization to improve application reliability and maintainability. • Followed best practices for clean code, version control (Git), and agile development workflows.