Senior Software Developer, E-Commerce Systems

Job not on LinkedIn

🔥 45 minutes ago

🌐 Argentina, Brazil, +4 more countries – Remote

infoinfo

💵 $15 - $25 / hour

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Logo of Lago

Lago

1 - 10 employees

Founded 2024

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Lago is a recruitment service that connects digital marketing agencies and businesses with top-tier global talent from emerging markets. Since 2015, Lago has specialized in providing remote staffing solutions, offering roles such as virtual assistants, social media managers, and customer support representatives. The company aims to empower both agencies and talented professionals by facilitating rewarding job opportunities while enabling businesses to grow efficiently and cost-effectively.

📋 Description

• Extend and improve a custom e-commerce technology platform • Fix unreliable vendor feeds and improve pricing logic • Build APIs and improve product data quality • Replace manual spreadsheet workflows with dependable software • Work on vendor imports, feeds, product information management, categorization, images, and catalog data quality • Build inventory and pricing feed ingestion using AWS Lambda, S3, and SFTP • Develop scrapers for vendors without feeds • Improve pricing, deals, and cart logic • Build and test storefront API endpoints using the Django backend and React Router storefront • Improve Elasticsearch-backed search, facets, and recommendations • Create internal tools, scripts, admin screens, and LLM-based workflows for business automation • Contribute to infrastructure migration from hand-built AWS and Cloudflare resources to OpenTofu • Write meaningful automated tests and maintain typed, reviewed, focused code • Coordinate production migrations, data fixes, and infrastructure changes carefully • Use and review AI coding assistant output while owning shipped code

🎯 Requirements

• Strong Python programming skills and experience building production software • Solid SQL and PostgreSQL knowledge, including query performance investigation • Solid experience building and consuming APIs; Django Ninja, Pydantic or OpenAPI • Experience processing real-world data from CSV or Excel files, external feeds, scraping, or ETL pipelines • Sufficient React and TypeScript experience to contribute to frontend work when required • Strong testing practices with assertions against specific business outcomes • Good engineering judgment when choosing between scripts, application features, process improvements, and AI-based automation • Clear written communication for pull requests, technical documentation, tickets, and collaboration • Ability to investigate unfamiliar systems, work independently, and deliver maintainable solutions • Hands-on Django experience, including ORM, migrations, and admin tools (preferred) • Familiarity with Django Ninja, Pydantic, OpenAPI, or similar API development tools (preferred) • E-commerce experience involving product catalogs, PIM, order management, checkout, or Stripe (preferred) • Experience with Elasticsearch or another major search platform (preferred) • Familiarity with AWS Lambda, S3, ECS, Cloudflare Workers, or OpenTofu/Terraform (preferred) • Experience with large product catalogs or data-intensive retail systems (preferred) • Practical experience using AI coding assistants in a reviewed, test-driven development workflow (preferred)

🏖️ Benefits

• Remote work: work from anywhere • Growth opportunities and ability to shape the role • Innovative culture focused on leveraging data to solve challenges • Confidentiality and Non-Circumvention Agreement as part of the recruitment process

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