Senior full stack developer

Senior Full-Stack DeveloperRemote-friendly | Occasional on-site meetings (Italy) — Subject: Senior Full-Stack DeveloperENGLISH VERSIONOverviewWe are seeking a Senior Full-Stack Developer to maintain and evolve our platform, a sports betting odds comparison service.  The role is split between Dev Ops (40%) and Frontend Development (60%), requiring strong autonomy and the ability to work independently on complex refactoring tasks.About the PlatformOur system is a Node.js application serving odds and advertising creatives to multiple customers within the sports betting industry. It handles high-traffic environments with continuous deployments.KEY RESPONSIBILITIESDev Ops (40%)AWS Infrastructure Management:Maintain and evolve AWS infrastructure using CDK (Type Script)Manage ECS Fargate services for web server and data import processesConfigure and optimize Application Load BalancersMonitor and improve VPC architecture (public/private subnets)Manage Mongo DB Atlas ClusterHandle Docker image builds and deploymentsImplement infrastructure improvements and cost optimizationsCI/CD & Deployment:Execute deployment scripts for creatives and servicesManage AWS SSO authentication and profilesMonitor application health and performanceDebug production issues and implement fixesFrontend Development (60%)Creative System Development:Refactor and maintain advertising creatives (banners, widgets) using EJS templatesImplement new creative formats across multiple sports (football, tennis, basketball)Work with Webpack build system (EJS preprocessing, SASS compilation, image optimization)Ensure cross-customer compatibility with dynamic stylesheet loadingOptimize creative performance and asset deliveryLanding Pages & Templates:Develop and maintain server-side rendered landing pagesIntegrate with Logix. Odds Feed API for real-time oddsImplement comprehensive betting market support (1 X2, Handicaps, Over/Under, BTTS, etc.)Ensure consistent UI/UX across different brandsHandle Italian localization and market-specific text generationCode Quality & Architecture:Lead refactoring initiatives to improve code maintainabilityImplement shared modules and DRY principlesWrite clean, well-documented codeCreate reusable components across creatives and landing pagesREQUIRED TECHNICAL SKIILS Frontend: Expert-level Java Script (ES6+), EJS templating, HTML5, CSS3/SASS Backend: Node.js, Express.js Dev Ops: AWS (ECS, EC2, VPC, ALB, IAM), Docker, CDK (Type Script) Build Tools: Webpack, npm scripts Database: Mongo DB (basic queries, connection management)Version Control: Git, Git Hub workflowsAWS Services Expertise Required: ECS Fargate, EC2, VPC, ALB, IAM, CDKNice to have: Cloud Watch, S3, Cloud Front, Route53Frontend SpecializationAdvanced Webpack configuration (custom loaders, plugins, optimization)CSS architecture and responsive designCross-browser compatibility and testingPerformance optimization (lazy loading, code splitting, image optimization)Understanding of advertising standards and banner developmentExperience5+ years of full-stack development experience2+ years with AWS infrastructure and CDK3+ years of advanced frontend developmentProven experience with complex build systems (Webpack, Rollup, or similar)Experience with server-side rendering and templating enginesComfortable working independently with minimal supervisionSoft Skills Autonomy: Ability to take ownership of refactoring projects and see them through Problem Solving: Strong analytical skills to debug production issues across the stack Communication: Clear technical communication in English (Italian is a plus) Attention to Detail: Pixel-perfect implementation and brand consistency awarenessTime Management: Balance between Dev Ops firefighting and long-term frontend improvementsNice to HaveExperience with sports betting or gambling industryKnowledge of Italian language and betting terminologyFamiliarity with real-time data feeds and Web Socket integrationsExperience with A/B testing frameworksUnderstanding of CDN optimization and asset deliveryExperience with Mongo DB performance tuningWork EnvironmentRemote-friendly setup with occasional on-site meetings.Fast-paced production environment.Collaborative and lean team structure with Product, Design, and Backend engineers.Apply by sending your CV to:— Subject: Senior Full-Stack Developer (Dev Ops + Frontend)______________________________________________________________________VERSIONE ITALIANAPanoramica della PosizioneCerchiamo uno Sviluppatore Full-Stack Senior per mantenere ed evolvere la nostra piattaforma, un servizio di comparazione quote per scommesse sportive.  Il ruolo è suddiviso tra Dev Ops (40%) e Sviluppo Frontend (60%), richiedendo forte autonomia e capacità di lavorare indipendentemente su task complessi di refactoring.Contesto AziendaleLa piattaforma è un'applicazione Node.js che serve quote e creatività pubblicitarie per una piattaforma di scommesse sportive, con integrazioni verso multipli clienti italiani.Responsabilità PrincipaliDev Ops (40%)Gestione Infrastruttura AWS:Mantenere ed evolvere l'infrastruttura AWS utilizzando CDK (Type Script)Gestire servizi ECS Fargate per web server e processi di import datiConfigurare e ottimizzare Application Load BalancerMonitorare e migliorare l'architettura VPC (subnet pubbliche/private)Gestire cluster Mongo DB su AtlasGestire build e deployment di immagini DockerImplementare miglioramenti infrastrutturali e ottimizzazioni di costo CI/CD & Deployment:Eseguire script di deployment per creatività e serviziGestire autenticazione AWS SSO e profiliMonitorare salute e performance dell'applicazioneDebug di problemi in produzione e implementazione di fixSviluppo Frontend (60%)Sviluppo Sistema Creatività:Refactoring e manutenzione creatività pubblicitarie (banner, widget) usando template EJSImplementare nuovi formati creatività su multipli sport (calcio, tennis, basket)Lavorare con sistema build Webpack (preprocessing EJS, compilazione SASS, ottimizzazione immagini)Garantire compatibilità cross-customer con caricamento dinamico stylesheetOttimizzare performance creatività e delivery assetLanding Page & Template:Sviluppare e mantenere landing page server-side renderedIntegrare con API Logix. Odds Feed per quote real-timeImplementare supporto completo mercati scommesse (1 X2, Handicap, Over/Under, Goal/No Goal, etc.)Garantire UI/UX consistente tra diversi brandGestire localizzazione italiana e generazione testi market-specificQualità Codice & Architettura:Guidare iniziative di refactoring per migliorare manutenibilità codiceImplementare moduli condivisi e principi DRYScrivere codice pulito e ben documentatoCreare componenti riutilizzabili tra creatività e landing pageCompetenze Tecniche RichiesteTecnologie Core: Frontend: Java Script livello expert (ES6+), templating EJS, HTML5, CSS3/SASS Backend: Node.js, Express.js Dev Ops: AWS (ECS, EC2, VPC, ALB, IAM), Docker, CDK (Type Script) Build Tools: Webpack, npm scripts Database: Mongo DB (query base, gestione connessioni)Version Control: Git, workflow Git HubEsperienza Servizi AWS Richiesto: ECS Fargate, EC2, VPC, ALB, IAM, CDKNice to have: Cloud Watch, S3, Cloud Front, Route53Specializzazione FrontendConfigurazione avanzata Webpack (loader custom, plugin, ottimizzazione)Architettura CSS e design responsiveCompatibilità cross-browser e testingOttimizzazione performance (lazy loading, code splitting, ottimizzazione immagini)Comprensione standard pubblicitari e sviluppo bannerEsperienza Richiesta5+ anni esperienza sviluppo full-stack2+ anni con infrastruttura AWS e CDK3+ anni sviluppo frontend avanzatoEsperienza comprovata con sistemi build complessi (Webpack, Rollup, o simili)Esperienza con server-side rendering e templating engineComfort nel lavorare indipendentemente con supervisione minimaSoft Skills Autonomia: Capacità di prendere ownership di progetti refactoring e portarli a termine Problem Solving: Forti capacità analitiche per debug problemi produzione cross-stack Comunicazione: Comunicazione tecnica chiara in italiano e inglese Attenzione al Dettaglio: Implementazione pixel-perfect e awareness consistenza brandTime Management: Bilanciamento tra firefighting Dev Ops e miglioramenti frontend long-termNice to HaveEsperienza con industria scommesse sportive o gamblingConoscenza terminologia italiana scommesseFamiliarità con feed dati real-time e integrazioni Web SocketEsperienza con framework A/B testingComprensione ottimizzazione CDN e delivery assetEsperienza con performance tuning Mongo DB Ambiente di LavoroRemote-friendly con requisiti on-site occasionaliAmbiente fast-paced con deployment in produzioneTeam collaborativo con product, design e sviluppatori backendMetodologia LeanCandidati inviando CV a:— Subject: Senior Full-Stack Developer (Dev Ops + Frontend)