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I'm a full-stack engineer with 10+ years of experience building scalable, high-performance web applications across e-commerce, fintech, payments, and healthcare. I specialize in React (React, Next.js, React Native) and Node.js (Express, NestJS, Fastify), with expertise in microservices, cloud-native architectures, and ERP integrations. I'm adept at bridging enterprise backends like NetSuite, Salesforce, and Shopify with modern frontends to deliver frictionless user experiences. I have a proven track record delivering fraud-detection systems, payment workflows, headless storefronts, and healthcare portals, and I'm a strong advocate of DevOps automation, clean code, and AI-assisted development for speed and reliability.…I'm a full-stack engineer with 10+ years of experience building scalable, high-performance web applications across e-commerce, fintech, payments, and healthcare. I specialize in React (React, Next.js, React Native) and Node.js (Express, NestJS, Fastify), with expertise in microservices, cloud-native architectures, and ERP integrations. I'm adept at bridging enterprise backends like NetSuite, Salesforce, and Shopify with modern frontends to deliver frictionless user experiences. I have a proven track record delivering fraud-detection systems, payment workflows, headless storefronts, and healthcare portals, and I'm a strong advocate of DevOps automation, clean code, and AI-assisted development for speed and reliability.

Artur Michalski

Full Stack Developer, Developer, Programmer, +4

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I'm a full-stack engineer with 10+ years of experience building scalable, high-performance web applications across e-commerce, fintech, payments, and healthcare. I specialize in React (React, Next.js, React Native) and Node.js (Express, NestJS, Fastify), with expertise in microservices, cloud-native architectures, and ERP integrations. I'm adept at bridging enterprise backends like NetSuite, Salesforce, and Shopify with modern frontends to deliver frictionless user experiences. I have a proven track record delivering fraud-detection systems, payment workflows, headless storefronts, and healthcare portals, and I'm a strong advocate of DevOps automation, clean code, and AI-assisted development for speed and reliability.…I'm a full-stack engineer with 10+ years of experience building scalable, high-performance web applications across e-commerce, fintech, payments, and healthcare. I specialize in React (React, Next.js, React Native) and Node.js (Express, NestJS, Fastify), with expertise in microservices, cloud-native architectures, and ERP integrations. I'm adept at bridging enterprise backends like NetSuite, Salesforce, and Shopify with modern frontends to deliver frictionless user experiences. I have a proven track record delivering fraud-detection systems, payment workflows, headless storefronts, and healthcare portals, and I'm a strong advocate of DevOps automation, clean code, and AI-assisted development for speed and reliability.

Available to hire

I’m a full-stack engineer with 10+ years of experience building scalable, high-performance web applications across e-commerce, fintech, payments, and healthcare. I specialize in React (React, Next.js, React Native) and Node.js (Express, NestJS, Fastify), with expertise in microservices, cloud-native architectures, and ERP integrations.

I’m adept at bridging enterprise backends like NetSuite, Salesforce, and Shopify with modern frontends to deliver frictionless user experiences. I have a proven track record delivering fraud-detection systems, payment workflows, headless storefronts, and healthcare portals, and I’m a strong advocate of DevOps automation, clean code, and AI-assisted development for speed and reliability.

Skills

Experience Level

Expert

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Intermediate

Language

Javanese

Advanced

Aragonese

Intermediate

Bashkir

Intermediate

English

Fluent

Work Experience

Full Stack Developer, ERP Engineer at MroSupply

September 1, 2022 - June 19, 2024

Led team to develop a full-featured inventory management system using React, Next.js and Python FastAPI, node.js, express.js enabling streamlined operations and real-time stock tracking. Implemented microservices architecture for inventory management system, including user authentication, product management, inventory management and order management, which improved scalability by 40% and system reliability by 30% using Apache Kafka. Created a cloud-based solution leveraging AWS and serverless architecture using Lambda, ECS, RDS optimizing deployment speed and reducing system downtime by 40%. Built and deployed custom SuiteScripts to support tailored ERP workflows within NetSuite, enhancing automation and accuracy by 35%. Integrated Shopify, Magento, WooCommerce, Clover POS, DocuSign with NetSuite via Celigo and SuiteTalk APIs. Created a custom SuiteApp combining Elasticsearch, Flask, and SuiteScript to deliver fast and intelligent product search capabilities within NetSuite, reducing s

Full Stack Developer at Brainhub

October 1, 2018 - August 31, 2022

Developed and maintained robust web platforms for e-commerce and healthcare clients, utilizing React and Angular on the frontend, and PHP Laravel, Symfony, node.js, express.js on the backend. Spearheaded component-driven development with Storybook, improving development speed and reusability by 45%. Enhanced SEO and page load speed using Next.js SSR which increased organic traffic by 62% within 6 months. Designed and deployed scalable REST, GraphQL APIs, improving backend data query performance by 40%. Built CI/CD workflows with GitHub Actions, Jenkins, Docker, and Kubernetes, leading to a 50% faster deployment cycle and improved system reliability. Achieved 95% unit and integration test coverage using Jest, Cypress, and React Testing Library, improving code quality and reducing production bugs by 70%.

Web Developer at Tallium

March 1, 2014 - October 1, 2018

Developed a scalable eCommerce site using Shopify and Magento, leveraging React for a dynamic front-end experience, resulting in a 30% increase in conversions and a 20% decrease in bounce rate. Developed several CMS sites using Laravel, Symfony and Wordpress, Magento. Migrated major legacy systems from PHP to MERN/MEAN stacks, improving maintainability and reducing load times by 50%. Employed TDD with Jest, Jasmine, Cypress, and Karma, achieving 90% code coverage and reducing QA cycles by 40%. Mentored several junior developers and introduced coding standards that increased code consistency and team productivity.

Full Stack Developer, ERP Engineer at KrishaWeb

September 1, 2022 - Present

Developed SPAs with React/Next.js and backend in Python/Node.js; implemented microservices with Kafka; built cross-platform mobile apps with React Native; integrated AI-assisted tools; implemented AI-driven search with Elasticsearch; built CI/CD pipelines with GitHub Actions, Jenkins, Docker, and Kubernetes; leveraged AWS for serverless patterns; automated ERP workflows in NetSuite via SuiteScript; built a custom SuiteApp with Elasticsearch and Flask; achieved high test coverage and improved maintenance and deployment reliability.

Full Stack Developer at WolfPack Digital

August 1, 2022 - September 5, 2025

Led frontend modernization with React, Angular, and TypeScript; implemented Next.js SSR; designed scalable RESTful and GraphQL APIs on AWS; introduced event-driven microservices with Kafka and AWS SQS; built cloud-native infrastructure with Docker, Kubernetes, and Terraform; created CI/CD pipelines; emphasized automated testing and monitoring; ensured GDPR/HIPAA compliance; mentored a team of engineers and contributed to analytics dashboards.

Web Developer at Emurgo

October 1, 2018 - September 5, 2025

Developed scalable eCommerce sites using Shopify and Magento; built CMS sites with Laravel, Symfony, and Wordpress; migrated legacy PHP to MERN/MEAN stacks; implemented TDD with Jest/Cypress; mentored juniors and established coding standards to improve consistency and productivity.

Full Stack Developer, ERP Engineer at KrishaWeb

September 1, 2022 - Present

Developed SPAs with React, Next.js and TypeScript for frontend and Node.js (Express, NestJS, Fastify) for backend, following Agile practices. Implemented microservices with Kafka, built cross-platform mobile apps with React Native, and applied Redux Toolkit and Redux-Saga for state management. Created strongly typed components, optimized build pipelines, and integrated AI-assisted development tools. Designed GraphQL schemas and integrated with Apollo Client/Server, built CI/CD pipelines with GitHub Actions and Jenkins, and deployed cloud-native solutions on AWS. Automated NetSuite ERP workflows via SuiteScripts and GPT-assisted workflow generation, and integrated Shopify, Magento, WooCommerce, Clover POS, and DocuSign with NetSuite via Celigo/SuiteTalk. Achieved 95% test coverage and implemented observability with CloudWatch, ELK, and Grafana.

Full Stack Developer at WolfPack Digital

August 1, 2022 - September 17, 2025

Modernized core applications by migrating AngularJS to React + Next.js SSR/SSG, improving SEO and performance. Built scalable shopping cart and checkout systems with Node.js, Redis, and Kafka, and integrated multiple payment gateways (Stripe, Adyen, PayPal, Braintree) with smart orchestration. Developed recurring billing microservices, implemented settlement/reconciliation workflows, and built transaction analytics dashboards with GraphQL + Elasticsearch. Established a shared React component library and automated deployments with GitHub Actions, Docker, and AWS CodePipeline. Built cloud-native infra with ECS, Lambda, DynamoDB, and Kubernetes to handle 100k+ concurrent transactions, mentoring a team of engineers along the way.

Web Developer at Emurgo

October 1, 2018 - September 17, 2025

Built scalable online stores on Shopify, Magento, and WooCommerce with React storefronts; migrated legacy PHP systems to MERN/MEAN stacks; developed custom plugins for checkout, inventory, and loyalty programs. Introduced TDD practices (Jest, Cypress, Jasmine) achieving high test coverage and accelerated QA cycles. Mentored juniors and enforced coding standards to improve team consistency.