--- title: "Senior Full Stack Developer (AI-Augmented) | Mejix" description: "At our company, we value efficiency, adaptability, and the ability to deliver high-quality end-to-end solutions. We believe that leveraging modern technologies—especially AI-driven tools—is essential for building robust and scalable products." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "JobPosting", "title": "Full Stack Developer (AI-Augmented)-Level: Senior", "description": "At our company, we value efficiency, adaptability, and the ability to deliver high-quality end-to-end solutions. 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You can accept all, decline non-essential cookies, or customize your preferences. See our [privacy policy](/privacy). CustomizeDeclineAccept all [![Mejix](/mejix-logo.svg)](/) [Home](/) [Company](#about) [Services](/services) [Industries](/industries) [Our Work](/work) [AI Solutions](/ai-solutions) Start a project→ Start here→ [All open positions](/jobs) Development # Full Stack Developer (AI-Augmented)-Level: Senior Cluj-Napoca(hybrid), Romania Full-time Development We are looking for a software engineer capable of delivering complete solutions, with a strong focus on technological adaptability and workflow efficiency. In this role, success is measured by the quality, robustness, and speed of the final product, using AI tools to accelerate execution. ## Requirements and Skills - Strong Fundamentals: Deep understanding of system architecture, data structures, and programming principles. Ability to validate and correct AI-generated output is essential. - Adaptability: Ability to work in an evolving technical environment. Capability to transfer core concepts (logic, architecture, databases) across different languages or frameworks, supported by modern development tools. - End-to-End Vision: Experience developing full features—from database structure and APIs to user interface integration. - AI-Native Development: Active use of AI coding tools (e.g., Cursor, Claude Code) to enhance productivity. - Critical Review Skills: Ability to audit AI-generated code to prevent technical debt and ensure system security. - Product Mindset: Ability to approach problems from the perspective of end-user value and usability. ## Responsibilities - End-to-End Development: Develop and maintain complete features across the stack. - Workflow Optimization: Improve personal and team workflows by adopting new technologies and development practices. - Architecture Contribution: Collaborate in defining and evolving the technical architecture of projects. - Code Quality Assurance: Ensure high standards of code quality, robustness, and maintainability. ## Why Join Us? - Results-Oriented Environment: Work in a culture where efficiency, supported by technology, is encouraged and rewarded. - Autonomy: Freedom to choose and use the tools that best fit your workflow. - Growth & Learning: Access to training resources to stay at the forefront of AI usage in software engineering. ### Interested? Send your CV and a short note. We respond to every application within 3–5 business days. Apply now Cluj-Napoca(hybrid), Romania Full-time [hr@mejix.com](mailto:hr@mejix.com) ## Don't see a perfect fit? We're always interested in talking to senior engineers, designers, and product people. Send your CV and tell us what you're building. Send your CV ![Mejix](/mejix-logo.svg) New York, USA Office 541 W 25th St, New York, NY 10001 tel: +1 (212) 401-6213 Cluj, Romania Office tel: +40 (746) 778-303 Latin America, Costa Rica tel: +1 (212) 401-6213 hello@mejix.com C. ★★★★★ 7 Reviews ## Company - [Home](/) - [About Us](/about) - [Careers](/jobs) - [Events](/events) - [Insights](/insights) - [AI Hub](/ai-hub) - [Contact Us](#contact) ## Services - [Software Consulting & Development](/services/product-development) - [Embedding AI into Organisations](/services/ai-development) - [Ecommerce & Shopify Plus](/shopify-plus-b2b) - [Ecommerce Platform Comparison 2026](/services/shopify-plus/platform-comparison-2026) - [Digital Transformation & Process Automations](/services/digital-transformation) - [Product Development](/services/product-development) - [Staff Augmentation](/services/managed-it) - [Managed IT Services](/services/managed-it) - [Marketing Services](/services) ## Industries - [Finance and Banking](/industries/finance) - [Health and Medical](/industries/health) - [Luxury Fashion and Jewelry](/industries/luxury) - [Manufacturing](/industries/manufacturing) - [Retail and Services](/industries/retail) - [Media and Communication](/industries) ## Locations - [New York City](/shopify-plus-agency-new-york) - [Los Angeles](/shopify-plus-agency-los-angeles) - [San Francisco](/shopify-plus-agency-san-francisco) - [Miami](/shopify-plus-agency-miami) - [United States](/shopify-plus-agency-usa) - [United Kingdom](/shopify-plus-agency-united-kingdom) - [Germany](/shopify-plus-agency-germany) - [Romania](/shopify-plus-agency-romania) - [All locations](/locations) © 2026 Mejix. 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