CareerPlan

Senior BackEnd Engineer

San Jose, Costa RicaFull-time2026-07-17 → 2026-11-11

Core

Design, build, and deploy intelligent, data-driven web platforms integrating modern AI capabilities into scalable solutions.

Role type

Senior IC backend engineer (AI & Platform Systems)

Builds

Production-grade web applications and AI-enabled systems

Domain

Media, Technology, and Commerce

Deliverable

production ML models

Required skills

Java, .NET/C#, Python, RESTful APIs, server-side frameworks, LLMs, RAG, vector search, relational databases, HTML/CSS/JavaScript, CMS, XML/JSON, object-oriented design, cloud deployment (AWS/Azure/GCP), SQL, testing methodologies, web security

Preferred skills

Python-based AI/data pipelines, prompt engineering, AI agents, orchestration frameworks, vector databases, AI governance concepts, generative AI tools

Technologies

AWS, Azure, GCP, Apache, Tomcat, IIS, Node, Django, MCP, ChatGPT, Gemini, Claude

Responsibilities

Design and build scalable web platforms, integrate LLMs and AI APIs, develop RAG concepts and vector search, implement prompt-based AI workflows, manage relational databases, administer web servers, ensure web security and accessibility

Seniority

Senior, hands-on IC