Senior Full-Stack Engineer (Data Platform & Tooling) at Lago
Worldwide
<p>Role: Senior Full Stack Developer (Web & Mobile App)<br />Hours: 9am - 5pm Eastern Standard Time<br />USD Monthly Rate: Negotiable based on experience<br /></p><p>We're hiring a skilled Full-Stack Developer to lead the build of our platform: ideal candidate will help building reliable pipelines from messy external sources, working alongside our team to create something fast, scalable, and truly useful.</p><p>If you enjoy building complex products from scratch and having full autonomy, as well as end-to-end project ownership - you'll love this project!</p><p></p>Responsibilities<ul><li>Build and maintain both web and mobile versions of the platform</li><li>Set up the backend, APIs, and database architecture for performance and scale</li><li>Translate UI designs into responsive, high-quality builds</li><li>Integrate with third-party tools and external data sources</li><li>Handle deployment, testing, and performance optimization<br /> </li></ul> <p>Mandatory qualifications:</p><ul><li>5+ years building production systems in Python</li><li>Strong SQL & database design — schema design, query optimization, data modeling</li><li>ETL/data pipeline experience is a must</li><li>Web scraping expertise — browser automation, API reverse-engineering, anti-bot handling, rate limiting.</li><li>Self-initiative and goal-driven approach</li><li>Pragmatic approach to coding: good balance between insisting on clean code and fast deliverables</li><li>Open mindset — willing to learn new domains, change approach when data says so</li><li>Prior experience in a small team / startup environment (under 20 people)</li></ul><p></p><p>Preferred qualifications:</p><ul><li>E-commerce or marketplace data experience (Amazon, Keepa, SP-API)</li><li>Frontend capability — dashboards, internal tools, reports</li><li>Experience with caching strategies, incremental data updates, API token budgeting</li><li>Familiarity with cloud deployment (AWS/GCP)</li><li>Data validation & QA mindset — catches edge cases before production</li></ul> <ul> <li> Remote Work Flexibility – Work from anywhere while staying connected with a high-performing team.</li> <li> Career Growth Opportunities – Expand your expertise in digital marketing and client management.</li> <li> Supportive Team Culture – Collaborate with passionate professionals who value teamwork and innovation.</li> </ul><p></p><p>As part of our recruitment process, all candidates are kindly asked to read, understand, and agree to Lago’s Confidentiality and Non-Circumvention Agreement. This ensures a respectful and professional experience for everyone involved.</p>
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