11/05/2026 updated
100 % available
Backend-focused Software Developer | Python, PHP, Laravel, Generative AI & REST API
Plovdiv, Bulgaria
Only remote
Master's Degree in Artificial IntelligenceAbout me
Backend-focused Software Engineer with nearly 6 years of experience. Hands-on experience with Python and Gen AI including LLM integrations, RAG, vector search, stateful agent workflows, and MCP, testing, error handling, retries, idempotency, and secure API.
RAGLLMPHPApplication Programming Interfaces (APIs)Artificial IntelligencePython (Programming Language)LaravelMessaging Application Programming InterfaceSystems IntegrationPrompt EngineeringGenerative AIBackendFastAPIBackend ProgrammingRestful Api
Backend Development
Expertise in PHP 8.x, Laravel, Python, FastAPI, RESTful APIs, SQLAlchemy, Eloquent ORM, RabbitMQ, SOLID Principles, and Design Patterns. Nearly 6 years of experience designing, developing, and maintaining complex web applications and API-driven systems.
Generative AI & LLM Integration
Hands-on experience with LLM API Integration, LangChain, LangGraph, AI Agents, Tool Calling, RAG pipelines, Prompt Engineering, Embeddings, Vector Search, and Model Context Protocol (MCP). Skilled in applying software engineering best practices to AI-enabled applications.
AI Quality & Reliability
Proficiency in LLM Evaluation, Retrieval Evaluation (Precision, Recall, MRR@K), Error Handling, Retry Strategies, Rate Limiting, and Persistent Agent State management to ensure robust and reliable AI systems.
Database Management
Solid knowledge of PostgreSQL, MySQL, Redis, pgvector, Database Migrations, and Indexing for building scalable and performant data-driven applications.
Frontend Development
Working knowledge of JavaScript and TypeScript for supporting full-stack development tasks and frontend integration.
DevOps & Tools
Experience with Docker, Git, GitHub Actions, CI/CD pipelines, Linux/Bash, AWS (S3, EC2), uv, and n8n for streamlined development and deployment workflows.
Agile & Collaboration Tools
Practical experience working in Agile/Scrum environments, conducting Code Reviews, and using Jira and Confluence for project management and team collaboration.
System Architecture & Security
Active involvement in designing and evolving platform architectures while adhering to strict security standards, including data protection and GDPR compliance in regulated sectors.
Expertise in PHP 8.x, Laravel, Python, FastAPI, RESTful APIs, SQLAlchemy, Eloquent ORM, RabbitMQ, SOLID Principles, and Design Patterns. Nearly 6 years of experience designing, developing, and maintaining complex web applications and API-driven systems.
Generative AI & LLM Integration
Hands-on experience with LLM API Integration, LangChain, LangGraph, AI Agents, Tool Calling, RAG pipelines, Prompt Engineering, Embeddings, Vector Search, and Model Context Protocol (MCP). Skilled in applying software engineering best practices to AI-enabled applications.
AI Quality & Reliability
Proficiency in LLM Evaluation, Retrieval Evaluation (Precision, Recall, MRR@K), Error Handling, Retry Strategies, Rate Limiting, and Persistent Agent State management to ensure robust and reliable AI systems.
Database Management
Solid knowledge of PostgreSQL, MySQL, Redis, pgvector, Database Migrations, and Indexing for building scalable and performant data-driven applications.
Frontend Development
Working knowledge of JavaScript and TypeScript for supporting full-stack development tasks and frontend integration.
DevOps & Tools
Experience with Docker, Git, GitHub Actions, CI/CD pipelines, Linux/Bash, AWS (S3, EC2), uv, and n8n for streamlined development and deployment workflows.
Agile & Collaboration Tools
Practical experience working in Agile/Scrum environments, conducting Code Reviews, and using Jira and Confluence for project management and team collaboration.
System Architecture & Security
Active involvement in designing and evolving platform architectures while adhering to strict security standards, including data protection and GDPR compliance in regulated sectors.
Experience
Professional experience5 - 10 years
Freelancer since2026
Languages
BulgarianNative speakerGermanGoodEnglishGood
Project history
Participated in the design, development, and integration of a brand-new platform using modern technologies and best practices. Responsible for development and maintenance of highly scalable platforms featuring complex user structures (teachers, students, parents). Worked closely within Scrum teams using agile practices to maintain platform reliability and deliver continuous feature improvements.
Refactored and modernized core parts of the legacy codebase, improving system stability and maintainability without disrupting service. Actively involved in designing and evolving the platform architecture while adhering to strict security standards (data protection/GDPR in the education sector). Participated in Scrum teams, collaborated on implementing new features, and conducted code reviews.