Freelancer profile translated to English.

Description

Experienced technology leader and strategy consultant with over 15 years of experience in digital transformation, cloud migration, and enterprise architecture for Fortune 500 companies. Proven track record as interim CTO, cloud solutions architect, and DevOps expert, driving measurable business outcomes through technological innovation.

Industry field of expertise

Languages

English
Native or bilingual
Hindi
Native or bilingual
German
Conversational

Workplace preferences

Can work on-site

Berlin (up to 50km), Frankfurt am Main (up to 50km), Hamburg (up to 40km), Köln (up to 50km), München (up to 50km)

tetrapy GmbH
Fractional CTO | Lead Solutions Architect
MEDICAL
February 2026 - Today (6 months)
Berlin, Germany
Responsibility for the entire stack of a regulated telemedicine platform.

**Architecture**: Conception and development of the MVP from scratch using next.js, React, kotlin, PostgresSQL and AWS.

**Agile leadership**: Defining the technical roadmap and sprint cycles as Scrum Master and Product Owner.

**Compliance**: Development of the system in accordance with GDPR and FHIR standards for medical data.

**Value creation**: Bridging the gap between business goals and production-ready code.
Next.js, React, TypeScript, Docker, Kubernetes, Azure, CI/CD (GitHub Actions, Jenkins) Amazon Web Services (AWS) Fractional CTO Grafana Terraform
Selbstständig
AI Photography Coach – RAG + Chain-of-Thought System
TECH
November 2025 - January 2026 (2 months)
Berlin, Germany
I led enterprise and solution architecture projects for organizations in regulated and complex environments, supporting cloud modernization, platform strategy, and delivery governance.
I defined target architectures, migration plans, and integration strategies to minimize execution risks and achieve measurable business outcomes.
Collaborating closely with engineers, product managers, and executives, I translated strategic objectives into actionable technical programs.
I advised on compliance-aligned architectures (GDPR, Security-by-Design), ensuring scalability, resilience, and long-term maintainability.
I supported technical program management in cross-functional initiatives, including dependency management, risk mitigation, and delivery alignment.
I conducted architecture reviews and decision validations prior to large-scale implementation to minimize investment risks.
LLM RAG Cloud architect it-architecture Fractional CTO
Selbstständig
Photography Coach AI – Gemini 3 Pro Multi-Modal System
FILM AND AV
November 2025 - January 2026 (2 months)
Frankfurt am Main, Germany
Development of a production-ready AI-powered photography coaching system with 5-dimensional analysis (composition, lighting, creativity, technique, subject impact) using Google Gemini 3 Pro Vision APIs. Response time: 2–3 seconds, accuracy: 9/10.

Development of a transparent analysis system that reveals Gemini's thought process (observations → analysis → prioritization of corrections). Spatial analysis is performed using canvas-based bounding boxes for precise error detection.

Implementation of a context caching architecture with proven cost reduction of 75–90% ($2.04 → $1.75 per 1,000 photos) and interactive mentor chat with full conversation history.

Integration of real-time image generation for before/after comparisons with structured extraction of improvements from AI analysis. Deployment via Vite + TypeScript with error handling and observability.
Generative AI Google Gemini React.js Typescript Vite