Senior Full-Stack Engineer (Data Platform & Tooling)

Role: Senior Full Stack Developer (Web & Mobile App)

Hours: 9am - 5pm Eastern Standard Time

USD Monthly Rate: Negotiable based on experience

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.

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!

Responsibilities

Build and maintain both web and mobile versions of the platform

Set up the backend, APIs, and database architecture for performance and scale

Translate UI designs into responsive, high-quality builds

Integrate with third-party tools and external data sources

Handle deployment, testing, and performance optimization

Mandatory qualifications

5+ years building production systems in Python

Strong SQL & database design — schema design, query optimization, data modeling

ETL/data pipeline experience is a must

Web scraping expertise — browser automation, API reverse-engineering, anti-bot handling, rate limiting.

Self-initiative and goal-driven approach

Pragmatic approach to coding: good balance between insisting on clean code and fast deliverables

Open mindset — willing to learn new domains, change approach when data says so

Prior experience in a small team / startup environment (under 20 people)

Preferred qualifications

E-commerce or marketplace data experience (Amazon, Keepa, SP-API)

Frontend capability — dashboards, internal tools, reports

Experience with caching strategies, incremental data updates, API token budgeting

Familiarity with cloud deployment (AWS/GCP)

Data validation & QA mindset — catches edge cases before production

Remote Work Flexibility – Work from anywhere while staying connected with a high-performing team.

Career Growth Opportunities – Expand your expertise in digital marketing and client management.

Supportive Team Culture – Collaborate with passionate professionals who value teamwork and innovation.

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.