Software Engineer (Researcher) at University of Oulu

Designed and implemented a Python + Node.js microservice for a digital research platform at the Centre for Wireless Communications. Integrated multiple AI inference models with REST interfaces and shared storage layers. Built automation workflows using n8n to orchestrate data processing, model execution, and result aggregation. Improved pipeline reliability by automating validation, pre-processing, inference, and post-processing.

Senior Front-End Engineer at Zhaket

Led the front-end of a large e-commerce SaaS platform with 200K+ active users, built mainly with Next.js + TypeScript. Developed and maintained additional platforms (Zhaket Service and Zhaket Academy) using Vue.js. Built reusable UI components, micro-frontends, and a custom design system, reducing feature delivery time and improving consistency. Optimized Core Web Vitals and performance. Collaborated daily with backend, design, and product teams. Mentored junior developers and conducted code reviews to maintain a clean, scalable architecture.

Front-End Developer at Zhaket

Led the front-end of a large e-commerce SaaS platform with 200K+ active users, built mainly with Next.js + TypeScript. Developed and maintained additional company platforms, including Zhaket Service and Zhaket Academy, using Vue.js. Built reusable UI components, micro-frontends, and a custom design system, reducing feature delivery time by 30%. Optimized Core Web Vitals (LCP 2.1s, INP 115ms) through caching, lazy loading, and image pipeline tuning. Collaborated daily with back-end, design, and product teams under Scrum methodology. Mentored junior developers and conducted code reviews to maintain clean, consistent architecture. Participated in sprint planning, code reviews, and debugging across distributed teams.

AI Workflow Developer at University of Oulu

Built an AI-driven data quality platform using Flask, Pandas, and OpenAI APIs. Designed automated AI workflows with n8n, integrating data cleaning, reporting, and code generation. Created a React UI for interacting with generated insights, demonstrating AI-assisted UX concepts. Used prompt chaining and API orchestration to improve AI consistency and contextual understanding.

Front-End Developer at Zhaket

Led the frontend of a high-traffic ecommerce platform (200K+ users). Built a reusable UI Kit and custom design system as a micro-frontend project; improved feature delivery time by ~25–30% and reduced UI bugs. Achieved Core Web Vitals improvements and led a complete UI/UX redesign, partnering with backend teams (Next.js + PHP Laravel) to deliver secure features on schedule.

Front-End Developer at Zhaket

Led the front-end of a high-traffic e-commerce platform (200K+ users), ensuring scalability, responsive design, and reliability across thousands of daily sessions. Built reusable UI kit and micro-frontends that accelerated feature delivery and improved UI consistency. Implemented performance optimizations (code splitting, image pipelining, caching, and render-tuning) to improve Core Web Vitals (desktop: LCP 2.1s, INP 115ms, CLS 0.04; mobile: LCP 3.0s, INP 439ms, CLS 0.06). Drove a complete UI/UX redesign that improved navigation clarity and overall user satisfaction. Collaborated with back-end teams (Next.js + PHP Laravel) and stakeholders to deliver secure, reliable features on schedule.

Senior Front-End Developer at Zhaket

Built and maintained a large-scale SaaS e-commerce platform using React, Next.js, and TypeScript. Created reusable UI components, micro-frontends, and a design system; reduced feature delivery time by 30%. Integrated Gen AI features in admin panel to assist sellers with product listings; developed AI-powered suggestions for titles, descriptions, and features. Improved frontend performance with SSR/SSG, Webpack optimizations, and caching. Wrote unit, component, and E2E tests; mentored junior developers and contributed to architectural decisions.

Full-Stack Developer at Mapizy

Designed and built a crypto analytics dashboard from scratch using React, Node.js, and AWS. Integrated AWS Cognito for secure authentication and session management. Worked with AWS services such as S3, Lambda, and API Gateway. Created high-performance charts for real-time crypto data using Recharts. Worked on web and back-end systems in Node.js and Python, focusing on maintainability.

Front-End Developer at Mapizy

Designed and implemented the entire frontend of a crypto-to-prediction platform with no UI/UX designer. Built interactive dashboards and high-performance charts; optimized React components and minimized render cycles for fast, responsive UIs. Integrated AWS Cognito authentication, securing login and session management. Partnered with backend developers (Django) to deliver secure, scalable data-driven features.

Front-End Developer at Mapizy

Independent design and implementation of the entire front end for a crypto-prediction platform, without a dedicated UI/UX designer. Built interactive dashboards and high-performance charts for large-scale crypto data analysis. Optimized React components and minimized render cycles to ensure fast, responsive UIs. Integrated AWS Cognito authentication, securing login and session management. Collaborated with backend developers to create secure, scalable data-driven features.

Full-Stack Developer at Mapizy

Built a crypto analytics platform using React, Node.js, AWS, DynamoDB, and RDS. Created backend services for authentication, data processing, and API integration. Integrated AWS Cognito for secure authentication. Worked with large datasets, optimized queries, and implemented caching for faster load times. Built real-time charts using Recharts and designed scalable system architecture; produced clean, testable code with TDD.

Front-End Developer at Parto

Built and maintained React/Next.js applications for language-learning and legal-services platforms. Delivered accessible, responsive UIs that improved usability across devices. Shipped features aligned with client requirements, supporting product adoption and reach.

Front-End Developer at Parto

Built and maintained React/Next.js apps for language-learning and legal-services platforms. Delivered accessible, responsive UIs that improved usability across devices. Shipped features aligned with client requirements, supporting product adoption and broader reach.

Front-End Developer at Parto

Built and maintained React/Next.js applications for language-learning and legal-services platforms. Delivered accessible, responsive UIs that improved usability across devices. Shipped features aligned with client requirements, supporting product adoption and reach.