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Hi, I’m Rumen Somov. I’m a Full Stack AI Engineer with 5+ years of experience designing and deploying high-performance web applications and intelligent automation systems. I thrive on building reliable, scalable solutions that bridge AI and the web, and I enjoy turning ambitious ideas into shipped products. Hi, I’m passionate about AI-powered tooling, open source collaboration, and secure architectures. I’ve worked with the MERN stack, OpenAI API integrations, and blockchain-enabled backends, and I love crafting explainable, future-ready tools that people actually want to use.…Hi, I’m Rumen Somov. I’m a Full Stack AI Engineer with 5+ years of experience designing and deploying high-performance web applications and intelligent automation systems. I thrive on building reliable, scalable solutions that bridge AI and the web, and I enjoy turning ambitious ideas into shipped products. Hi, I’m passionate about AI-powered tooling, open source collaboration, and secure architectures. I’ve worked with the MERN stack, OpenAI API integrations, and blockchain-enabled backends, and I love crafting explainable, future-ready tools that people actually want to use.

Rumen Somov

Full Stack Developer, AI Engineer, Blockchain Developer, +6

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Hi, I’m Rumen Somov. I’m a Full Stack AI Engineer with 5+ years of experience designing and deploying high-performance web applications and intelligent automation systems. I thrive on building reliable, scalable solutions that bridge AI and the web, and I enjoy turning ambitious ideas into shipped products. Hi, I’m passionate about AI-powered tooling, open source collaboration, and secure architectures. I’ve worked with the MERN stack, OpenAI API integrations, and blockchain-enabled backends, and I love crafting explainable, future-ready tools that people actually want to use.…Hi, I’m Rumen Somov. I’m a Full Stack AI Engineer with 5+ years of experience designing and deploying high-performance web applications and intelligent automation systems. I thrive on building reliable, scalable solutions that bridge AI and the web, and I enjoy turning ambitious ideas into shipped products. Hi, I’m passionate about AI-powered tooling, open source collaboration, and secure architectures. I’ve worked with the MERN stack, OpenAI API integrations, and blockchain-enabled backends, and I love crafting explainable, future-ready tools that people actually want to use.

Available to hire

Hi, I’m Rumen Somov. I’m a Full Stack AI Engineer with 5+ years of experience designing and deploying high-performance web applications and intelligent automation systems. I thrive on building reliable, scalable solutions that bridge AI and the web, and I enjoy turning ambitious ideas into shipped products.

Hi, I’m passionate about AI-powered tooling, open source collaboration, and secure architectures. I’ve worked with the MERN stack, OpenAI API integrations, and blockchain-enabled backends, and I love crafting explainable, future-ready tools that people actually want to use.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Bulgarian

Fluent

English

Advanced

Work Experience

AI Engineer & Prompt Specialist at Open Phron.ai

January 1, 2023 - November 7, 2025

Built and deployed Open Phron.ai — an AI-powered reasoning assistant platform using OpenAI APIs for contextual task automation. Engineered intelligent prompt architectures and agent workflows, improving accuracy and context retention across multi-turn interactions. Integrated GPT-4-based APIs into a MERN stack to enable scalable, explainable AI-assisted decision making.

Blockchain & Web3 Engineer at Syncrow

January 1, 2023 - January 1, 2023

Designed cross-chain staking and reward contracts supporting DAO-based yield strategies on a multi-chain platform. Built a cross-chain yield-farming dashboard with wallet integration and off-chain analytics, and collaborated with DAO partners to implement secure, scalable yield mechanisms.

Blockchain & Web3 Engineer at Freelance / Self-Employed

January 1, 2023 - January 1, 2023

Architected and deployed DeFi protocols with AI-driven decision logic; audited and optimized Solidity contracts across EVM-compatible chains, improving gas efficiency by 25%. Built Web3 REST APIs connecting smart contracts with off-chain analytics engines; collaborated with institutional partners to design secure blockchain frameworks for fintech use cases.

Remote Full Stack Web Developer at Web Solutions Inc.

January 1, 2021 - January 1, 2021

Developed responsive, high-performance web applications using the MERN stack (MongoDB, Express, React, Node.js). Implemented CI/CD pipelines and automated testing, and optimized front-end performance and database queries, reducing load times by approximately 30%.

Validator Node Configuration & Staking Optimization

December 31, 2023 - December 31, 2023

Configured validator nodes and optimized staking logic under consensus constraints. Remote engagement with NDA restrictions.

Backend Engineer / API Developer

December 31, 2023 - December 31, 2023

Engineering backend APIs for pool analytics and user rewards; supported multiple EVM chains. Built a high-performance data pipeline with caching, background processing, and SQL-based reporting for real-time insights; contributed to a Go-based PoS chain architecture on Sonic architecture.

Senior Blockchain Engineer (Mentor)

December 31, 2023 - December 31, 2023

Mentored a cross-functional team of 5 developers on smart contract design and testing best practices.

Full-Stack Developer at Web Solutions Inc

December 31, 2021 - December 31, 2021

Built responsive, high-performance web applications using the MERN stack; collaborated with UI/UX teams to optimize site performance, increasing user engagement by 20%.

AI Engineer & Prompt Specialist at Open Phron.ai

January 1, 2023 - November 14, 2025

Hybrid / Remote AI Engineer & Prompt Specialist. Built and deployed Open Phron.ai — an AI-powered reasoning assistant platform using OpenAI APIs for contextual task automation. Developed dynamic prompt architectures and agent workflows to improve accuracy and context retention across multi-turn interactions. Integrated GPT-4 APIs into a MERN-based stack enabling intelligent task routing and real-time user feedback loops. Optimized backend performance via caching and token management, reducing API costs by 25%.

Senior Blockchain & Web3 Engineer at Freelance / Self-Employed

January 1, 2023 - January 1, 2023

Architected and deployed decentralized DeFi protocols with AI-driven decision logic, enabling automated yield strategies. Audited and optimized Solidity contracts across EVM-compatible chains, improving gas efficiency by 25%. Built Web3-integrated REST APIs connecting smart contracts with off-chain analytics engines. Collaborated with institutional partners to design secure, compliant blockchain frameworks for fintech use cases.

Open Phron.ai – AI-Driven Reasoning Platform at Open Phron.ai

January 1, 2023 - November 14, 2025

Engineered an intelligent interface linking structured OpenAI prompt templates with live data APIs. Developed prompt libraries for reasoning, summarization, and code generation workflows. Deployed production pipelines with Docker and GitHub Actions ensuring continuous delivery.

SyCrow Multi-Chain Yield Farming Platform at SyCrow

January 1, 2023 - January 1, 2023

Designed cross-chain staking and reward contracts supporting DAO-based yields strategies. Built a React dashboard with MetaMask / WalletConnect integration for decentralized user access. Implemented real-time pool analytics APIs supporting multiple EVM chains.

Smart Prompt Console at Independent Project

January 1, 2024 - November 14, 2025

Built a developer tool to benchmark and version prompts using GPT-4 APIs. Automated evaluation and reporting workflows via Node.js and SQL-based analytics.

AI Engineer / Prompt Specialist at Open Phron.ai

January 1, 2023 - November 19, 2025

Built and deployed Open Phron.ai — an AI-powered reasoning assistant platform using OpenAI APIs for contextual task automation. Engineered intelligent interface linking OpenAI prompt templates with live data APIs. Designed dynamic prompt architectures and agent workflows, improving accuracy and context retention across multi-turn interactions.

Full Stack Web Developer at Web Solutions Inc.

January 1, 2021 - January 1, 2021

Developed responsive, high-performance applications using the MERN stack (MongoDB, Express, React, Node.js). Implemented CI/CD pipelines via GitHub Actions, streamlining deployment processes. Optimized front-end performance and database queries, improving load times by 30%.

AI Engineer & Prompt Specialist at OpenPhron.ai

January 1, 2023 - November 20, 2025

Built an AI-powered reasoning platform using OpenAI API integrated into the MERN stack. Designed dynamic prompt architectures and agent workflows, enabling contextual task automation with live user feedback loops. Improved accuracy and context retention across multi-turn interactions.