AI Software Engineer

Oscar; Leicester; Hybrid; GBP 49,000 - 89,000; Full time

Job summary

Oscar is seeking a skilled backend engineer to develop production-ready AI-enabled software. The role focuses on building backend services that support LLM and ML functionality, while integrating OpenAI, Anthropic and other AI models into enterprise software.

The ideal candidate will create scalable APIs and microservices, work with cloud infrastructure to deploy and monitor AI workloads, and collaborate across Engineering, Data and Product teams on new AI initiatives.

Qualifications

• Strong software engineering background in Python, C#.
• Experience building cloud-based backend applications.
• Experience with AI, ML or Generative AI in commercial projects.
• Understanding of APIs, distributed systems and scalable architecture.
• Passion for AI and continuous learning of emerging technologies.

Responsibilities

• Develop production-ready AI-enabled software applications.
• Build and maintain backend services supporting LLM and ML functionality.
• Integrate OpenAI, Anthropic and other AI models into enterprise software.
• Create scalable APIs and microservices for intelligent applications.
• Work with cloud infrastructure to deploy and monitor AI workloads.
• Collaborate across Engineering, Data and Product teams on new AI initiatives.

Skills

Python

C#

Backend development

APIs

Distributed systems

AI/ML exposure

Tools

OpenAI

Anthropic

Job description

Salary: £49,000 - 89,000 per year

Requirements:

• Strong software engineering background in Python, C# or similar.


• Experience developing cloud-based backend applications.


• Exposure to AI, Machine Learning or Generative AI in commercial projects.


• Understanding of APIs, distributed systems and scalable architecture.


• Passion for AI and enthusiasm to continuously learn emerging technologies.

Responsibilities:

• Develop production-ready AI-enabled software applications.


• Build and maintain backend services supporting LLM and ML functionality.


• Integrate OpenAI, Anthropic and other AI models into enterprise software.


• Create scalable APIs and microservices for intelligent applications.


• Work with cloud infrastructure to deploy and monitor AI workloads.


• Collaborate across Engineering, Data and Product teams on new AI initiatives.

Technologies:

• AI


• Backend


• C#


• Cloud


• LLM


• Machine Learning


• Python


• microservices

More:

We are a forward-thinking software company embedding Artificial Intelligence throughout our product suite. We are partnered with a team working on practical AI solutions rather than experimental research, and we offer the opportunity to work alongside talented Software Engineers and AI specialists on scalable applications powered by Machine Learning and Generative AI technologies. This role is based in Leicester with a hybrid working pattern of 2 days a week in the office. We offer a salary of up to 75,000 DOE, flexible hybrid working options, dedicated investment into AI and engineering innovation, a modern tech stack with exposure to leading AI platforms, and clear progression into Senior AI Engineering positions.

last updated 36 week of 2026