Senior Elixir Software Engineer

X4 Engineering; United States; On-site; USD 100,000 - 160,000; Full time

Job summary

A fast-growing start-up is looking for a Senior Elixir Software Engineer to lead the development of a revolutionary AI communication platform. You will be involved in building robust backend systems and real-time messaging infrastructures while working with cutting-edge technologies. The ideal candidate has strong Elixir skills and experience in distributed systems, contributing to efficient AI deployment in business applications.

Qualifications

• 5+ years of production Elixir experience.
• Strong expertise with Phoenix Framework and LiveView.
• Experience building real-time systems with WebSockets.

Responsibilities

• Build scalable backend systems and low-latency services.
• Develop real-time communication infrastructure.
• Implement distributed architectures for AI-powered messaging.

Skills

Elixir

Phoenix Framework

Distributed Systems

PostgreSQL

WebSockets

Education

Bachelor’s or Master’s degree in Engineering or related field

Tools

AWS

GCP

Azure

Job description

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This range is provided by X4 Engineering. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$100,000.00/yr - $160,000.00/yr

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Connecting the brightest minds in software development & tech | Recruitment | Energy | Trading | ML | AI | Finance | DeFi | Python | Elixir |…

Senior Elixir Software Engineer

Industry: Software Development / AI

Location: USA

X4 Engineering is proud to be partnering with a fast-growing, ambitious start-up that’s reshaping the future of AI communication.

This company is building a universal interface between AI agents and the real world — a platform that allows seamless communication between AI systems and business applications. The result? Businesses can deploy intelligent, production-ready solutions faster and more efficiently than ever before.

As part of their continued growth, they’re looking for a Senior Software Engineer with strong experience in Elixir, Phoenix, and LiveView to help build the core of their real-time communication infrastructure. You’ll be working on low-latency services, scalable backend systems, and distributed architectures that drive AI-powered messaging between intelligent agents and enterprise environments.

Key Requirements:

• Bachelor’s or Master’s degree in a related field, Engineering, or a similar area.
• 5+ years of production Elixir experience.
• Strong expertise with Phoenix Framework and Phoenix LiveView.
• Experience building real-time systems with Phoenix Channels/WebSockets.
• Solid understanding of OTP principles and distributed systems.
• Experience with PostgreSQL and Ecto.
• Track record of building and scaling production APIs.
• Experience with cloud platforms (AWS, GCP, or Azure) and distributed infrastructure.

If you’re interested in the role please apply via the job advert or get in touch with a.koivio@x4engineering.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering, Other, and Information Technology

• Industries

  Software Development, Engineering Services, and IT Services and IT Consulting

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