Senior FullStack Developer

Lean Solutions Group; Medellín; In loco; COP 90.000.000 - 120.000.000; Tempo pieno

Descrizione del lavoro

Global Technology Services in Medellín, Colombia, is seeking a Senior Fullstack Developer to build IQ Billing from data layer to user interface. You will work with React on the frontend and Node.js on the backend to support daily claims, payments, and revenue processing.

You will collaborate with expansive engineering teams across Latin America, the Philippines, and the United States, applying a product mindset and delivering polished UI with scalable architecture.

Competenze

• 4+ years of production full stack experience.
• Strong JavaScript/TypeScript and React deep fluency with hooks and modern patterns.
• Strong Node.js with Nest.js or Express.js or similar backend experience.
• Solid relational database experience, especially PostgreSQL, with non-trivial SQL.
• Preference for type-safe code and maintainable architecture across the stack.
• Experience building with LLM APIs (Anthropic, OpenAI, or similar).
• Daily use of AI coding assistants (Claude Code, Cursor, GitHub Copilot).
• Comfort shipping polished UI with loading, empty, and error states.

Mansioni

• Build IQ Billing end-to-end - the financial platform used daily to manage claims, payments, and revenue.
• Own features from data layer to UI: React frontend and Node.js backend processing.
• Collaborate with engineering teams across LATAM, Philippines, and the United States.

Conoscenze

JavaScript/TypeScript

React

Node.js

PostgreSQL

Type-safe code

LLM APIs

AI tooling

UI/UX polish

Strumenti

Nest.js

Express.js

PostgreSQL

SQL

OpenAI API

Descrizione del lavoro

Company Overview: Global Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers and experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America, Philippines and the United States, contributing to cutting-edge developments in multiple industries.

Position Title: Fullstack Developer

Category: Software Engineering & Architecture

Seniority: Senior

Location: LATAM

What you will be doing: You will build IQ Billing end to end - the financial platform treatment facilities rely on every day to manage claims, payments, and revenue. You'll own features from the data layer to the UI: React surfaces on the front, and Node.js services doing the heavy lifting on data manipulation, transformation, and management behind them.

Required Skills & Experience

• 4+ years of production full stack experience
• Strong JavaScript/TypeScript and React deep fluency in hooks, component design, and modern React patterns (hard requirement)
• Strong Node.Js, with Nest.Js or Express.Js or similar backend experience
• Solid relational database experience, especially Postgres, including writing and reasoning about non-trivial SQL.
• A preference for type-safe code and clean, maintainable architecture across the stack
• Experience building with LLM APIs (Anthropic, OpenAI, or similar), including streaming responses, tool calling, and prompt iteration
• Daily use of AI coding assistants such as Claude Code, Cursor, or GitHub Copilot, with a clear point of view on when to trust them and when to override
• Comfort shipping polished UI: loading, empty, and error states all considered
• A product mindset.

Nice to Have Skills

• Experience with Python data tooling (pandas, Polars) and API frameworks (FastAPI, Flask, Django)
• Data pipeline / ETL experience and exposure to warehouses (Snowflake, BigQuery, Redshift)
• Experience with modern build tooling (Vite, Turbopack) and package managers (pnpm, bun)
• Familiarity with Tailwind CSS, component libraries, and design systems (shadcn, Radix)
• RAG, vector databases (pgvector, Pinecone, Weaviate), or agentic workflow experience
• Experience building or consuming MCP (Model Context Protocol) servers
• Cloud experience (AWS or GCP): serverless, containers, queues
• Exposure to observability tooling (Datadog, Sentry, OpenTelemetry)
• Knowledge of accessibility (WCAG) standards

Soft Skills

• Strong problem-solving and debugging skills
• Excellent communication and collaboration abilities
• Ability to work independently and take ownership of projects
• Leadership and mentorship mindset
• Attention to detail and commitment to high-quality user experiences