Benefits

Pulled from the full job description

• Employee discount
• Life insurance

 

Full job description

Backend Engineer – API

Company

SpaceXAI

Location

London, England, United Kingdom

Employment Type

Full-Time

Department

Backend Engineering / API

Annual Salary

£107,000 – £262,000 GBP

Click here - https://alumhive.com/browse-jobs/6a82f92141d657b739cca4a2

About SpaceXAI

SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.

The company operates with a small, highly motivated team focused on engineering excellence. Employees are expected to be hands-on, contribute directly to the mission, demonstrate strong initiative and maintain excellent communication and prioritization skills.

About the Role

SpaceXAI is seeking a Backend Engineer – API with a strong understanding of building highly scalable and reliable production infrastructure.

The company's backend infrastructure is primarily written in Rust, so experience with compiled languages such as Rust, C++ or Go is highly valuable.

In this role, you will work on the API infrastructure that delivers SpaceXAI's AI models to developers worldwide.

Key Responsibilities

Build and develop the SpaceXAI API serving AI models to developers worldwide.

Own the end-to-end infrastructure supporting high-throughput AI inference.

Build systems capable of handling billions of tokens per minute.

Ensure low latency and high availability across API services.

Work on model serving infrastructure and request routing.

Contribute to SDK development.

Design and manage rate-limiting systems.

Improve observability and system reliability.

Build infrastructure that can scale efficiently with growing demand.

Basic Qualifications

Expert knowledge of Rust or C++.

Experience designing, implementing and maintaining reliable, horizontally scalable distributed systems.

Strong understanding of service observability and reliability best practices.

Experience working with databases such as:

PostgreSQL

ClickHouse

MongoDB

Preferred Skills & Experience

Experience with LLM inference engines and serving frameworks, including SGLang, TensorRT or vLLM.

Experience designing or building with agent SDKs and agent orchestration frameworks.

Experience with Docker, Kubernetes and containerized applications.

Expert knowledge of gRPC, including:

Unary

Response streaming

Bi-directional streaming

REST mapping

Compensation & Benefits

Annual Salary: £107,000 – £262,000 GBP

Additional benefits include:

Equity

Comprehensive healthcare

Dental coverage

Cash plan

Income protection

Life insurance

Various discounts and perks

Pay: £107,000.00-£262,000.00 per year

Benefits:

• Employee discount
•