Rust / C++ Backend Engineer - Enterprise Agent

x.ai; London; On-site; CAD 80,000 - 120,000; Full time

Job summary

A progressive tech firm seeks a software engineer for its Enterprise Agents Engineering Team in London, Ontario. The ideal candidate must possess expert knowledge in Rust or C++, along with experience in developing scalable applications. Responsibilities include building and refining AI solutions, engaging with customers to ensure products meet real-world challenges, and collaborating in a dynamic, hands-on environment. Competitive salary with robust benefits like equity and health coverage will be offered.

Benefits

Equity

Comprehensive medical, vision, and dental coverage

401(k) retirement plan

Short & long-term disability insurance

Life insurance

Qualifications

• Expert knowledge of either Rust or C++.
• Experience in designing and implementing distributed systems.
• Knowledge of service observability and reliability best practices.

Responsibilities

• Work with a team building full-stack solutions.
• Collaborate with research teams to incorporate AI advancements.
• Gather feedback from customers to refine and evolve products.

Skills

Rust

C++

Python

Docker

Kubernetes

TypeScript

gRPC

PostgreSQL

Clickhouse

CockroachDB

Job description

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers and researchers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the team

The Enterprise Agents Engineering Team at xAI is a team of builders solving the hardest problems in applied AI : integrating with messy systems, orchestrating complex workflows, and harnessing AI to transform business operations. We build full-stack solutions with ownership of end-to-end product execution from ideation to deployment, collaborating closely with our research team to incorporate cutting-edge AI advancements into robust and reliable user-centric solutions. Through an iterative development process, we work hand-in-hand with customers to gather feedback, refine features, and evolve products to address real-world challenges.

About the role

An ideal candidate meets at least the following requirements :

• Expert knowledge of either Rust or C++,
• Experience in designing, implementing, and maintaining reliable and horizontally scalable distributed systems,
• Knowledge of service observability and reliability best practices,
• Experience in operating commonly used databases such as PostgreSQL, Clickhouse, and CockroachDB

Additionally, any of the below points will help a candidate stand out :

• Expert knowledge of Python,
• Experience with Docker, Kubernetes, and containerized applications,
• Expert knowledge of TypeScript,
• Expert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping),
• Hands-on experience with LLM APIs, embeddings, or RAG patterns
• Track record of delivering user-facing software at scale.

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic technical questions. If you clear the initial phone interview, you will enter the main process, which consists of at least two technical interviews :

• Coding interview in Rust or C++.

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

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Current company

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Will you now, or in the future, require sponsorship for employment visa status (e.g., H-1B visa) to legally work for X.AI LLC in the U.S.?