Software Developer

• Location: Newcastle upon Tyne
• Security clearance: must be eligible for UK SC-level security clearance (UK national)
• Visa sponsorship: we are not able to sponsor visas for this role
• Closing date: applications reviewed on a rolling basis

About Neptune North

Neptune North is a high-performing technical consultancy. We build data, AI and software solutions for clients in defence, financial services and private capital, working on demanding problems in challenging environments.

We were founded in 2024 as a joint venture between Oliver Wyman and Rokos Capital Management. We’re headquartered in the centre of Newcastle upon Tyne, with a growing international footprint, and we’re recruiting exceptional engineers across every level.

The role

We’re looking for Software Engineers to build the applications our defence clients rely on, across the full stack from database to browser. This is a hands-on engineering role where you will have impact across a wide variety of projects.

Potential projects might include fully engineered solutions, developing Proof of Concepts (POCs), and applied work to modernise or replace systems that our clients depend on every day.

Responsibilities

• Design, build and maintain web applications end to end, from data model through API to user interface
• Deploy and configure applications in cloud and on-premise environments
• Provide technical expertise when it is required within the organisation and in client engagements
• Demonstrate flexibility in taking on work aligned to evolving company priorities
• Play an active role in sharing expertise to raise and re-use capability

What makes a great candidate

• Excellent programming skills in one or more modern languages suited to backend development, such as C#/.NET, Java or Python
• Experience of web application development, including SQL databases, web frameworks and RESTful API design
• Frontend development in React and TypeScript, with experience using WebSockets, SignalR or similar real-time transport technologies
• Experience of cloud deployment and configuration, ideally on Azure or AWS
• Experience integrating AI-assisted tools into development workflows without compromising on quality, security or compliance
• A solid grounding in software engineering best practices and a desire to maintain high engineering standards in all your work
• Excellent verbal and written communication skills