Hasan Shahriar - CTO (Full-stack and AI)

Helsinki, Finland

Experience

Aug 2025 - Present

6 months

Helsinki, Finland

CTO (Full-stack and AI)

Zipli

Cofounded and led product and technology for EU-funded B2B food rescue platform with AI-powered smart redistribution engine connecting food donors, receivers, and logistic partners.
Shipped MVP with climate and business impact calculator (LLM-powered analysis of food quality and carbon footprint). Validated with 5+ pilots proving €500K+ annual savings potential.
Owned end-to-end product strategy—validated market opportunity, iterated features based on pilot feedback, and built with React/Next.js, Supabase, Vercel.

Sep 2023 - Jun 2025

1 year 10 months

Helsinki, Finland

Web Consultant

KONE

Launched SiteFlow and Station Twin websites using KONE's award-winning design system as conversion-optimized web components, enabling rapid experimentation with content and growth marketing in the corporate environment, reducing time-to-launch for new digital products.
Built a demand generation pipeline targeting C-suite of construction and facility management industry that generated 100+ qualified leads including securing pilot with one of EU's largest metro operators.

Sep 2019 - Dec 2024

5 years 4 months

Founder

Makeshift Digital

Solo-founded digital consultancy—delivered 30+ projects in 7+ countries with 3x YoY growth. Clients include digital agencies (Netguru, Rayze Digital) and growth startups (Arkken, Harmonya).
Specialized in B2B marketing funnels growth: delivered Webflow websites, GenAI workflows, no-code automation platforms, and full-stack development (React, Shopify, Wordpress).

Sep 2017 - Aug 2018

1 year

Oslo, Norway

Junior Consultant

TietoEVRY

Created a lean innovation roadmap for the unit and pitched initiatives for Nordic enterprise clients.
Validated new product concepts with rapid experimentation and customer testing; presented solutions to the C-suite of leading Norwegian banks and fintech partners.

Jun 2017 - Aug 2017

3 months

Helsinki, Finland

Trainee

Nordea

Advised Nordea's corporate clients on digital strategy and product launches using Google Design Sprint methodology. Covered Open Banking, KYC, digital payments transformation initiatives.

Summary

Full-stack product builder and founder with 8+ years driving GenAI, SaaS, and B2B growth. Combines hands-on product development with go-to-market leadership to unlock critical early traction across multiple B2B verticals.

Skills

Genai & Llm: Ai Product Design · Ai Ux · Prompt Engineering · Prompt Chaining · Rag Systems · Agentic Workflows · Confidence Scoring For Ai Outputs · Mcp · Evals · Llm Cost Optimization
Product & Strategy: Full-stack Product Ownership · Product Roadmap · Go-to-market · Growth Marketing A/b Testing · User Research · User Testing · Design Thinking · Design Sprint
Full-stack Development: React · Next.js · Node.js · Supabase · Postgresql · Git · Rest Apis · Vercel
No-code & Automation: Webflow · Shopify · No-code Automation (Zapier, N8n) · Rapid Prototyping
Design & Prototyping: Figma · Lovable · V0 · Shadcn
Misc.: Jira · Google Analytics · Posthog · Hubspot · Langchain · Anthropic Mcp