XML Programmer - Vehicles Team

iniBuilds

London, England·Contract·Posted 6 Jan 2026

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The role, as advertised by iniBuilds

👋   About Us

We are seeking a skilled individual with hands-on experience developing for Microsoft Flight Simulator 2020 and 2024. The role focuses on implementing aircraft systems and logic using the MSFS SDK, with particular emphasis on XML/RPN behaviors, configuration files, and well-structured package development.
You will work closely with project leads, flight model designers and artists to bring aircraft systems, animations, and interactions to life in a performant, SDK-compliant, and maintainable way.

📝   Work Description

As an XML Programmer , you will be responsible for developing, implementing, and maintaining aircraft systems and logic for Microsoft Flight Simulator 2020 and 2024 . Your work will focus on building reliable, performant, and SDK-compliant systems using XML and RPN , ensuring aircraft behave realistically and interact seamlessly within the simulator.

You will collaborate closely with project leads, flight model designers, and artists to bring aircraft systems, animations, and interactions to life, balancing technical accuracy, maintainability, and performance across both sim platforms.


🥸   Responsibilities


✅   Requirements


💪   Preferred Qualifications & Traits


❤️   What We Offer

This role at a glance

This is one of 155 programming and engineering roles open in England today, out of 630 live games jobs across the UK, and iniBuilds is hiring for 4 other roles alongside it. The title doesn’t name a seniority, so it most likely sits at mid level — the posting’s requirements are the best guide to the experience wanted. iniBuilds doesn’t publish the salary here; across the 3 mid-level programming and engineering roles on the board that do, the median is £54k.

Discipline
Engineering
Level (from the title)
Mid-level
On gamesJobs since
13 Sept 2026
Other Engineering roles in England
154

About iniBuilds

iniBuilds is a London-headquartered studio, founded in 2018, that develops aircraft and airport scenery for flight simulators. It began as a small team creating add-ons for X-Plane and has grown into a major third-party developer for Microsoft Flight Simulator.

iniBuilds company profile and all 5 open roles →

Guide Game programming careers: specialisms, tests and portfolios →

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