Senior Backend Engineer – Billon Dollar AI Tech

Propel London; London; Hybrid; GBP 100,000 - 120,000; Full time

Job summary

A leading AI technology company in London seeks a Senior Backend Engineer to build scalable proprietary backend systems. Responsibilities include developing cloud services and data pipelines alongside a multidisciplinary team. Ideal candidates should have strong experience with backend systems and SQL databases, along with the ability to work independently. The role offers a competitive salary and hybrid work arrangement.

Benefits

Stock Options

Medical Insurance

7% pension

Qualifications

• Experience building scalable backend data pipeline systems.
• Experience with SQL databases; NoSQL is a plus.
• Willingness and ability to work on front-end systems in React.

Responsibilities

• Build highly-scalable cloud-based services and infrastructures.
• Work on data pipelines, microservices, APIs, and web applications.
• Collaborate within a multidisciplinary team on design and deployment.

Skills

Collaboration

Autonomy

Building scalable backend data pipeline systems

SQL databases

NoSQL

Front-end systems in React

Job description

Social network you want to login/join with:

Senior Backend Engineer – Billon Dollar AI Tech, London

Client:

Propel London

Location:

London, United Kingdom

Job Category:

Other

EU work permit required:

Yes

Job Reference:

574294c06523

Job Views:

17

Posted:

12.08.2025

Expiry Date:

26.09.2025

Job Description:

Job Description

The Role

As a senior backend engineer for this AI Unicorn, you will play a key role in building the business's proprietary MarTech backend systems that ensure this company can scale to millions of users worldwide.

You will build highly-scalable cloud-based services and robust infrastructures that power data ingestion pipelines and ETLs, enabling the business and marketers to succeed.

You will be part of a multidisciplinary team with responsibilities spanning design, coding, testing, deployment, and production. You’ll work on data pipelines, microservices, APIs, and web applications.

About You

To succeed as a senior backend engineer at this high-growth tech scale-up, you should have:

• Willingness to collaborate
• Ability to work autonomously and take ownership
• Experience building scalable backend data pipeline systems
• Experience with SQL databases; NoSQL is a plus
• Willingness and ability to work on front-end systems in React

Compensation for this role is approximately £100k-£120k plus benefits such as Stock Options, Medical Insurance, 7% pension, and more.

This is a hybrid role requiring 2-3 days a week in London.