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I'm a Senior Full-Stack AI Engineer with 20+ years of experience designing and delivering scalable web platforms, cloud-native backend systems, and production-grade AI/LLM solutions. I specialize in TypeScript, React, Node.js, Python, and AWS, with hands-on experience in IoT, GenAI, RAG pipelines, and agentic AI. I transform complex problems into high-impact solutions, mentor teams, and drive architectural decisions across organizations. I actively leverage AI assistants and agents to optimize development workflows, improve code quality, and accelerate delivery.…I'm a Senior Full-Stack AI Engineer with 20+ years of experience designing and delivering scalable web platforms, cloud-native backend systems, and production-grade AI/LLM solutions. I specialize in TypeScript, React, Node.js, Python, and AWS, with hands-on experience in IoT, GenAI, RAG pipelines, and agentic AI. I transform complex problems into high-impact solutions, mentor teams, and drive architectural decisions across organizations. I actively leverage AI assistants and agents to optimize development workflows, improve code quality, and accelerate delivery.

Alexey Zerkalenkov

Full Stack Developer, AI Engineer, Web Developer, +3

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I'm a Senior Full-Stack AI Engineer with 20+ years of experience designing and delivering scalable web platforms, cloud-native backend systems, and production-grade AI/LLM solutions. I specialize in TypeScript, React, Node.js, Python, and AWS, with hands-on experience in IoT, GenAI, RAG pipelines, and agentic AI. I transform complex problems into high-impact solutions, mentor teams, and drive architectural decisions across organizations. I actively leverage AI assistants and agents to optimize development workflows, improve code quality, and accelerate delivery.…I'm a Senior Full-Stack AI Engineer with 20+ years of experience designing and delivering scalable web platforms, cloud-native backend systems, and production-grade AI/LLM solutions. I specialize in TypeScript, React, Node.js, Python, and AWS, with hands-on experience in IoT, GenAI, RAG pipelines, and agentic AI. I transform complex problems into high-impact solutions, mentor teams, and drive architectural decisions across organizations. I actively leverage AI assistants and agents to optimize development workflows, improve code quality, and accelerate delivery.

Available to hire

I’m a Senior Full-Stack AI Engineer with 20+ years of experience designing and delivering scalable web platforms, cloud-native backend systems, and production-grade AI/LLM solutions. I specialize in TypeScript, React, Node.js, Python, and AWS, with hands-on experience in IoT, GenAI, RAG pipelines, and agentic AI.

I transform complex problems into high-impact solutions, mentor teams, and drive architectural decisions across organizations. I actively leverage AI assistants and agents to optimize development workflows, improve code quality, and accelerate delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

German

Fluent

English

Fluent

Work Experience

AI Engineer at Impact Flow

February 1, 2025 - November 26, 2025

Built a real-time, voice-enabled GenAI assistant for product consultants support, handling queries using Inferences, LLMs, RAG, semantic and vector search. Integrated SOA-based agentic AI technologies into service workflows with Novita, OpenAI, and Ollama. Developed a full-stack solution with Open WebUI Framework, Python, Svelte, and TypeScript, deployed using Docker and GitHub CI/CD.

Senior Software Engineer at Igus GmbH

February 1, 2025 - February 1, 2025

Developed an eCommerce online platform, leveraging AI code assistants and 24+ Skills to enable selling over 150,000 products in 70+ markets worldwide. Scaled team mentorship from zero to three junior engineers, driving a 15% improvement in code quality through code reviews, and adhering to SOC, DRY, KISS, DYC and YAGNI rules.

Technical Lead / Software Developer at MAN Truck & Bus

October 1, 2022 - October 1, 2022

Led the front-end development of the MAN Simple Pay payment-in-truck system, transforming wireframes and POC into a fully functional MVP, showcased with a great success at IAA 2022 in Hannover. Mentored a junior developer, led pair programming, improving code quality by 20%. Transitioned from full-stack TypeScript development to designing and deploying scalable solutions using AWS cloud technologies and microservices.

Senior Software Engineer at Samsung/Harman

December 1, 2020 - December 1, 2020

Led SmartThings app development, mentoring 5 developers and optimizing processes for 300% cost efficiency, outperforming teams across European divisions. Delivered 12 standalone LM trained voice assistant apps, driving 1M+ user registrations. Reduced development costs by ~2500% and accelerated bug fixes by 50x with automated resource analysis scripts.

Senior Software Engineer at Sky Deutschland

February 1, 2018 - February 1, 2018

Designed and built the next-gen Sky app UI, enhancing performance and user experience. Eliminated ~15% of implicit errors by implementing a script with JSON validation schema.

Software Engineer at EXARING AG

May 1, 2017 - May 1, 2017

Boosted internal customer management speed up to 30% by optimizing UI layout and functionality of the Customer Care Cockpit service application. Improved cost-efficiency of the DevOps team up to 30% and reduced hardware damage risks by creating an interactive web application with network operation and monitoring tools.

Software Engineer at Allplan GmbH, bim+ (NEMETSCHEK Group)

June 1, 2015 - June 1, 2015

Developed the first browser-based 3D web viewer, replacing an entire development team, accelerating progress by 60x, and contributing to a stock value increase of approximately €1M. Engineered the advanced browser-based CAD Drawing Web Viewer based on HTML5 features, streamlining development and boosting speed by 60x.

Full-Stack AI Engineer at Impact Flow

February 1, 2025 - Present

Built a real-time, voice-enabled GenAI assistant for product consultants, integrating LLMs, RAG, semantic search, and inference pipelines to enable rapid information retrieval. Designed and implemented SOA-based agentic AI workflows using Novita, OpenAI, and Ollama. Developed a full-stack platform with Open WebUI and LiveKit Frameworks, Python, Svelte, WebRTC, and TypeScript, deployed via Docker and GitHub CI/CD. Delivered scalable vector-search capabilities with PostgreSQL and pgvector. Actively integrated AI assistants into the engineering workflow to accelerate prototyping and code delivery.

Senior Software Engineer at Igus GmbH

October 1, 2022 - February 1, 2025

Developed a global eCommerce platform supporting 150,000+ products across 70+ markets. Leveraged AI code assistants and automated tooling to improve code quality and delivery speed. Mentored three junior engineers and established robust engineering practices. Contributed across frontend, backend, and cloud components to improve platform scalability and reliability.

Senior Front-End Engineer at MAN Truck & Bus

May 1, 2021 - October 1, 2022

Led front-end development of the MAN Simple Pay payment-in-truck system, turning wireframes and POCs into a fully functional MVP showcased at IAA 2022. Mentored a junior developer and led pair programming, improving code quality by 20%. Transitioned to designing and deploying scalable AWS cloud-based solutions and microservices.

Technical Lead, Software Developer at Samsung/Harman

April 1, 2018 - December 1, 2020

Led SmartThings app development, mentoring 5 developers and optimizing processes for cost efficiency. Delivered 12 standalone LM-trained voice assistant apps with 1M+ user registrations. Reduced development costs and accelerated bug fixes with automated resource analysis scripts.

Senior Software Engineer at Sky Deutschland

May 1, 2017 - February 1, 2018

Designed and built the next-gen Sky Q app UI, improving performance and user experience. Eliminated ~15% of implicit errors by implementing a JSON validation schema.

Software Engineer at EXARING AG

October 1, 2015 - May 1, 2017

Boosted internal customer management speed by optimizing UI layout and functionality of Customer Care Cockpit service application. Improved DevOps cost-efficiency and reduced hardware damage risks by creating an interactive web application with a set of network operation and monitoring tools.

Software Engineer at Allplan GmbH, bim+ (NEMETSCHEK Group)

July 1, 2010 - June 1, 2015

Developed the first browser-based 3D web viewer, replacing an entire development team, accelerating progress by 60x and contributing to a €1M stock value increase. Engineered the advanced browser-based CAD Drawing Web Viewer based on HTML5 features, streamlining development and boosting speed by 60x.