Senior Backend Engineer (Python/Genai)

Fusionhit; México; A distancia; MXN 1,300,000 - 1,859,000; Jornada completa

Descripción de la vacante

A leading tech company is looking for a Senior Backend Engineer to work with AI technologies and develop backend services in Python. The ideal candidate will have extensive experience with Python, real-time systems, and AWS. This role allows working from Latin America with overlapping hours with Mountain Standard Time.

Formación

• 5+ years of experience in backend or full-stack software engineering.
• Proficient in scaling services in distributed environments.
• Experience deploying AI models in production.

Responsabilidades

• Design and implement backend services in Python supporting real-time communication.
• Collaborate with AI teams to streamline model deployment.
• Ensure system performance and reliability on AWS.

Conocimientos

Python

Real-time systems (LiveKit, WebRTC)

AWS (EC2, ECS, Lambda)

Kubernetes

Docker

Performance optimization

CI/CD tools

AI/ML model deployment

Excellent English communication

Educación

BS/MS in Computer Science, Information Technology, or related field

Descripción del empleo

At FusionHit, we are driven by a clear vision—to empower organizations with AI‑centered solutions that make them more adaptable, efficient, and future‑ready. As a company at the forefront of innovation, we help our clients build exceptional software that not only meets today’s needs but anticipates tomorrow's challenges. Our approach blends cutting‑edge AI technology, top‑tier talent acquisition, and expert project management to ensure that businesses can scale effectively and deliver high‑quality, world‑class software on time and within budget.

Our partnerships speak volumes, with clients like Instructure, Young Living, Imagine Learning, Mars Corp., and many others trusting us to lead the way in software development. We are rapidly growing across our offices in the US, LATAM, and India, and we're creating an environment where talented individuals can thrive, collaborate, and have fun while building transformative solutions.

If you're excited by the opportunity to work in a fast‑paced, innovative environment where scaling and building the future of software is key, we’d love to hear from you. Join us as we work together to redefine the world of software development!

Location

Must reside and have work authorization in Latin America.

Availability

Must be available to work with significant overlap with Mountain Standard Time

Independent Contractor Agreement

direct hire with one of our US partners

Project Overview

We are working with a company that builds AI-powered training simulations to help people enhance real‑world skills like leadership, communication, and decision-making. Their platform blends real‑time audio/video, digital avatars, and AI—all supported by robust backend infrastructure.

Senior Backend Engineer (Python/GenAI)

You will work closely with the AI team to develop services and infrastructure that allow AI models to be deployed, scaled, and integrated into live, low-latency environments. This is a proactive, leadership-driven role where you'll contribute across multiple projects and shape the backend strategy of a lean AI team.

The Ideal Candidate Has

• BS/MS in Computer Science, Information Technology, or related field with 5+ years of experience in backend or full-stack software engineering.
• Strong experience with Python and backend service development.
• Hands‑on expertise with real‑time systems (LiveKit, WebRTC, or similar streaming tech).
• Experience with low‑latency, AI-integrated environments.
• Proficiency in scaling services in distributed, production‑grade environments.
• Solid background with AWS (EC2, ECS, Lambda) and Kubernetes.
• Skilled in performance optimization, debugging, and observability tools.
• Familiarity with Docker and CI/CD tools.
• Experience deploying AI models in production or supporting AI/ML engineers.
• Knowledge of LangChain, LangFuse, Ray, or LLMOps frameworks.
• Excellent communication skills in English (C1 preferred, strong B2 may be considered).

Key Responsibilities

• Design and implement backend services in Python supporting real‑time communication with LiveKit and WebSockets.
• Develop tools and systems to support scalable AI deployment and monitoring.
• Ensure system performance and reliability on AWS using EC2, Lambda, and Kubernetes.
• Collaborate with AI teams to streamline model deployment and live testing.
• Support high‑stability, low‑latency, multi‑user environments.
• Improve platform observability and debugging through robust logging and metrics.
• Take ownership of technical decisions and process improvements across multiple projects.