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Job Description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE

As a Senior Full Stack Engineer, you will build and integrate a cutting-edge financial intelligence platform designed for AI-driven insights, connecting complex backend systems with intuitive, data-rich user experiences. Working across Python, Node.js, React, and cloud integrations, you’ll transform raw billing data into actionable metrics while leveraging AI-first development workflows to accelerate delivery. This role offers high ownership, close collaboration with product leadership, and the opportunity to shape a fast-evolving, data-intensive product from the ground up.

WHAT YOU WILL DO

- Own implementation and integration of product components including dashboards and insights;

- Design and build backend functionality for billing rules, chargeback logic, and ROI calculations;

- Integrate external billing data sources;

- Build and evolve APIs and data pipelines to transform raw billing data into financial insights;

- Implement frontend functionality for dashboards and data-heavy UI views;

- Make architectural decisions prioritizing maintainability and speed;

- Collaborate with product stakeholders with minimal process overhead;

- Ensure smooth deployment workflows;

- Contribute to product cohesion across different components;

- Design and optimize AI-driven development workflows;

- Improve prompt strategies and validation workflows;

- Leverage AI agents to automate development and testing;

- Ensure data integrity, auditability, and financial accuracy;

- Identify and address technical gaps and reliability risks.

MUST HAVES





- 6+ years of experience with a full-stack background;

- Strong experience with Python and Node.js;

- Experience with PostgreSQL schema design and data modeling;

- Experience integrating Azure billing systems or similar APIs;

- Experience building frontend applications with React;

- Experience using AI tools such as Claude or GPT;

- Experience integrating third-party APIs, especially billing systems;

- Ability to work with incomplete requirements and deliver solutions;

- Experience working in early-stage product environments;

- Experience integrating frontend tests into CI/CD pipelines;

- Familiarity with observability and telemetry systems;

- Upper-intermediate English level.

NICE TO HAVES

- Experience building or consuming SDKs;

- Experience with PHP;

- Experience building financial or billing systems;

- Familiarity with AI usage metrics or ROI tracking models;

- Experience working with dashboards and data-heavy UI patterns;

- Startup or founder-led product experience;

- Exposure to AI tooling workflows.

PERKS AND BENEFITS

- Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.

- Competitive compensation: USD-based pay with education, fitness, and team activity budgets.

- Exciting projects: Modern solutions with Fortune 500 and top product companies.

- Flextime: Versátil schedule with remote and office options.

Requirements
- 2–3+ years of experience in growth or marketing performance roles — ideally in the B2B SaaS or tech services space. - Understanding of the AI market landscape, with the ability to promote AI development services and translate technical capabilities into marketing messages. - Proven experience running successful marketing campaigns and managing performance metrics. - Familiarity with CRM and Sales Engagement Platforms (e.g. Instantly, Reply.io, Apollo). - Strong analytical skills with the ability to interpret data and generate actionable insights. - Excellent organizational skills and attention to detail. - Strong written and verbal communication skills in English.

Postúlate en Kit Empleo: kitempleo.com.ar/empleo/msxym

📌 Full Stack Engineer (Senior) (San Miguel de Tucumán)
🏢 AgileEngine
📍 San Miguel de Tucumán