Hello, I'm
Recep Ciftci
Building intelligent systems and scalable architectures. millions of users globally with high-impact digital products.
Work Experience
My professional background focused on AI and scalable architectures
Team Lead — AI/ML & Backend
SiriusAI Tech
Architected and developed BossAI — an enterprise AI assistant.
- Engineered a multi-stage RAG pipeline with custom fine-tuned LLM, cross-encoder reranker, and multi-LLM fallbacks (OpenAI, Anthropic)
- Designed agentic workflows with tool-calling agents, multi-step reasoning, self-correction, and audit trail generation
- Built complete vector retrieval stack using Qdrant with semantic chunking strategies
- Owned full lifecycle: LLM backend (FastAPI), frontend (React), and distributed cloud deployment
Fullstack Developer
Fiyuu
Led the algorithm team building real-time courier routing and bonus engines serving hundreds of thousands of users.
- Introduced DDD microservices patterns that accelerated team onboarding and significantly reduced system errors
- Migrated critical data pipelines to DynamoDB and ElasticSearch, enabling real-time analytics dashboards for operations
- Measurably improved query performance for high-throughput event-driven systems
Fullstack Developer
Teleperformance
Developed C#/.NET microservices APIs consumed by millions of users globally.
- Leveraged RabbitMQ and Redis for high-throughput event-driven processing with strict SLA compliance
- Built payroll and bonus platforms for tens of thousands of employees, automating complex manual workflows
- Integrated multiple third-party financial services securely for large-scale operations
Lead Fullstack Developer
BFZ – PrepTest
Delivered next-generation frontend and backend APIs for an EdTech platform.
- Leveraged LLM-assisted development (Codex, Claude) to significantly accelerate delivery cycles
- Established full test coverage culture with Cypress (E2E), Jest, and RTL
- Integrated Storybook for component-driven design system documentation across engineering teams
- Deployed to AWS using Terraform with CDN distribution and scalable compute (ECS, RDS)
Featured Projects
Innovating at the intersection of AI and scalable software
Military Drone Training Platform
Founder & Developer
Full-stack training portal featuring HLS adaptive video streaming, interactive quizzes, and an auto-generated certificate system. Actively used by defense training programs.
Skills & Expertise
Tools I use to solve complex problems and build innovative products
AI / ML & Agentic
Intelligent systems
Backend & Architecture
Scalable foundations
Frontend & DX
Seamless experiences
Infra & Testing
Reliable delivery
Achievements
Huawei Developer Competition
Top 4 Finalist
Teknofest Edtech
Finalist