Fusionhit
Fusionhit

10-50 employees

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About Fusionhit

Headquartered in San Jose, Costa Rica since 2008, FusionHit is a nearshore outsourcing software development company catering to the software needs of US-based companies, whether software vendors or technology startups. You'll benefit from our ample industry experience, especially in the agile software development delivery model and in Microsoft technologies. We take pride in delivering your products and complex applications to you while your competitors are still at the starting gates. At FusionHit, you are our first priority. We're committed agility and transparency related to our delivery model and our software development approach. We adopted scrum for agile software development, which stresses in planning, collaboration, feedback and frequent delivery.

3 months ago

Senior Backend Engineer

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Senior
Senior Backend Engineer
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Description
  • 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!

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Requirements
  • 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).

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Benefits
  • Remote work environment with work authorization in Latin America.
  • Opportunity to work on cutting-edge AI and real-time communication projects.
  • Collaborative and innovative team environment.
  • Flexible working hours to support overlap with Mountain Standard Time.