Osman Melih TOLUNAY
@osmanmelihtolunay
AI-focused backend engineer building scalable, production-ready systems across cloud, mobile, and LLMs.
What I'm looking for
I am an AI-focused backend engineer and systems architect with extensive hands-on experience delivering scalable, production-ready systems across LLM, mobile, and cloud environments. I lead teams, mentor junior engineers, and conduct architecture-focused code reviews emphasizing security, integrity, and maintainability.
I have founded and led multiple projects, building full stacks from frontend to DevOps infrastructure, and architected distributed AI services operating in live conditions with hundreds of compute nodes. My work spans serverless AWS, Kubernetes deployments, event-driven architectures, and backend-for-frontend designs optimized for mobile.
I drive measurable impact: I reduced API latency from multi-second to millisecond ranges, cut server costs dramatically, implemented automated risk-management and self-correction workflows for AI systems, and delivered production features used by millions. I seek roles where I can design resilient systems, mentor teams, and translate product needs into robust technical solutions.
Experience
Work history, roles, and key accomplishments
Founder & Lead Developer
Memberra
Jan 2025 - Present (1 year)
Built Memberra end-to-end (frontend, backend, mobile, DevOps) enabling venues to host events, manage communities, and accept payments; implemented Stripe payments and AWS notification services to generate monetization flows.
Founder & System Architect
NOX (Autonomous Trading Ecosystem)
Jan 2025 - Present (1 year)
Designed and built an autonomous trading system of distributed AI services with a modular network of 9 services and 400+ compute nodes, implemented decision engines, automated risk management, and self-correction retraining workflows.
Backend Engineer
Pepapp
Jan 2024 - Dec 2024 (11 months)
Refactored backend and optimized serverless infrastructure for a women’s health app with 5M+ users, reducing API latency from 5+ seconds to milliseconds and cutting monthly AWS/Cloudflare costs from $5,000 to $700.
No-Code AI Developer
TeamUp AI
Jan 2024 - Dec 2024 (11 months)
Developed a native n8n plugin to generate automation workflows from natural-language prompts and integrated Vue.js frontend with n8n for real-time workflow execution across enterprise use cases.
AI Platform Engineer
Getit.AI
Jan 2024 - Dec 2024 (11 months)
Pivoted a no-code chatbot platform into an AI commerce agent system, integrating Shopify and Amazon APIs to enable autonomous sales assistants and building Supabase analytics and prompt-driven CRM controls.
System Engineer
Pronet AI
Jan 2024 - Dec 2024 (11 months)
Built an end-to-end AI evaluation platform for a major call center, orchestrating Whisper and DeepSeek models on Kubernetes, handling 20,000+ calls/day and hiring/mentoring a 4-person AI engineering team.
App Developer
ALB Yatırım
Jan 2023 - Dec 2023 (11 months)
Built mobile and backend architecture for a real-time asset-tracking platform, implemented real-time pricing pipelines and Redis caching for millisecond responses and secure OTP-based authentication.
Backend Engineer
Bitay
Jan 2023 - Dec 2023 (11 months)
Improved real-time trading infrastructure for a global crypto exchange by rebuilding WebSocket gateways, stabilizing cross-region communication, and optimizing orderbook synchronization to prevent arbitrage issues.
Full-Stack Engineer
Neol
Jan 2022 - Jan 2023 (1 year)
Built a Web3 talent marketplace using Next.js and NestJS, developed AI clustering for productive cohorts and designed NFT-based identity tokens to represent user talent and experience.
Data & Modeling Engineer
NASA
Jan 2020 - Dec 2022 (2 years 11 months)
Developed predictive models and optimized data structures for astronomical simulations, improving caching and reducing simulation latency while contributing to high-frequency testing during the James Webb program.
Full-Stack Developer
TransInnovate / Alpha TMS
Jan 2019 - Dec 2019 (11 months)
Built microservices for logistics and transport optimization, developed predictive models to optimize fuel usage and scheduling, and contributed real-time dashboards and operational intelligence tools.
Education
Degrees, certifications, and relevant coursework
Adnan Menderes University
Bachelor of Science, Computer Engineering
2018 - 2022
Completed a Bachelor of Science in Computer Engineering with coursework and projects in software engineering, systems, and data modeling.
Flatiron School
Associate Degree, Web Development
2019 - 2021
Completed a Web Development Associate program focusing on full-stack web development technologies and practical project work.
Availability
Location
Authorized to work in
Job categories
Skills
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