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markkzz8

Tomas Listiak

@markkzz8

Full Stack SaaS Developer, React, Node js, Python, AI FinTech

Alemanha
Alemão, Inglês, Italiano, Espanhol, Francês
Algumas informações são exibidas no idioma inglês.
Sobre mim
Call me Tomas, a full-stack developer with 11+ years of experience building scalable SaaS, FinTech, eCommerce, and AI-powered web applications for startups and growing businesses. I specialize in React, Node.js, Python, REST APIs, Stripe, OpenAI ChatGPT API, real-time analytics dashboards, admin panels, secure authentication, payment integrations, and AWS cloud deployment. My niche is transforming business ideas into reliable B2B/B2C platforms, startup MVPs, AI chatbots, and data-driven web apps with clean architecture, responsive interfaces, secure APIs, and scalable infrastructure.... Saiba mais

Habilidades

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markkzz8
Tomas Listiak
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Aplicações Web Full Stack
I will develop startup admin dashboard with react real time analytics metrics and kpis
A partir deUS$ 120 /projetoMais detalhes
Aplicações Web Full Stack
I will build b2b b2c b2g ecommerce platform with react stripe payment with admin panel
A partir deUS$ 150 /projetoMais detalhes

Experiência profissional

Jumia

eCommerce Full-Stack Developer

Jumia • Período integral

Mar 2026 - Present • 4 mos

Built B2B and B2C eCommerce platforms using React and Node.js with Stripe payment integration, product catalogs, customer accounts, checkout systems, order management, and custom admin panels. Developed secure APIs and responsive interfaces designed for scalable online commerce and seamless customer experiences. Skills: React, Node.js, Stripe, eCommerce, APIs, JavaScript

TechOn_Ventures

Full-Stack FinTech SaaS Developer

TechOn Ventures • Freelance

Jun 2026 - Jul 2026 • 1 mo

Developed secure FinTech SaaS applications using React, Node.js, Python, PostgreSQL, AWS, and payment APIs. Built authentication systems, financial dashboards, payment workflows, REST APIs, admin panels, and scalable cloud infrastructure. Integrated third-party payment services and implemented secure API communication, database architecture, testing, and deployment workflows. Skills: React, Node.js, Python, AWS, PostgreSQL, REST API, FinTech

Yoplait

SaaS & Dashboard Developer

Yoplait • Período integral

May 2026 - Jul 2026 • 2 mos

Designed and developed responsive startup admin dashboards with React and Node.js, including real-time analytics, KPIs, metrics, user management, reporting, and role-based access. Created reusable components and REST APIs while improving application performance, usability, and scalability for B2B SaaS products. Skills: React, Node.js, JavaScript, REST API, Analytics, SaaS