István

ISTVÁN ANTAL

Technologist with over 20 years of full-stack development experience delivering high-impact projects across various industries, including the financial sector and small startups.

I leverage innovative technologies and automation to solve complex business challenges, ensuring scalability, security, and long-term value. My solutions drive operational efficiency and deliver strategic impact across industries.

I build distributed systems designed for scalability and longevity. My work is used to process orders worth hundreds of thousands of euros and to analyze billions of dollars worth of global trade every day. I put a high priority on performance, responsiveness, and usability.

I combine analytical thinking with strategic planning and technical leadership to guide teams and deliver results.

TECHNICAL EXPERTISE

TypeScriptReactTailwindViteRustBunDockerAWSPostgreSQLRedisJavaScriptPythonNode.jsWebSocketsMaterial UIAG GridHighchartsSeaORMGitElysiaBullMQPlaywrightClaude CodeGitHub CopilotVitestOxlintSentryStorybookJenkinsGitHub ActionsStripeJWTMCPOllamaNginxReact NativeNext.jsAngularReduxGraphQLAsync GraphQLTypeORMExpressJSOpenFinElectronSVGjQuerySASSLESSSemantic UIBootstrapHTML5RxJSDenoApolloPHPApacheSymfonySilexDoctrineWordPressMongoDBMySQLElasticSearchSQLiteGPTOpenAIGeminiLlamaMakeBASHSonarQubeCI/CD PipelinesJiraPuppetCypressSeleniumGitLabWebpackBabelJestESLintImageMagickGhostScriptLinuxAuth0MSALGoogle MapsKubernetesExtreme ProgrammingScrumKanbanTDDServerlessMicroservicesAWS CDK

CAREER HIGHLIGHTS

  • Financial Trading Systems: Built real-time analytics dashboards for major investment banks, processing billions in global trade daily.
  • E-Commerce Platform Leadership: Led development of B2B platforms with 300k+ products, processing €150k+ daily orders, including successful cloud migrations.
  • DevOps & Team Excellence: Established DevOps foundations and CI/CD pipelines at multiple organizations, creating reusable tooling now used across all projects.
  • Digital Transformation: Architected systems for major publishers enabling editors to transform print content into digital desktop and mobile experiences.

GET IN TOUCH

📍 London, United Kingdom

📧 istvan@antal.xyz

📱 +44 7951 518319