Sr. Software Engineer, X Money
Xai is hiring for the position of Sr. Software Engineer, X Money in London, United Kingdom. The listing describes it as a full-time, senior position.
DGJ summary of this job
Our own short read of this listing, built only from the facts it gives. The employer’s original text follows further down.
Xai is hiring for the position of Sr. Software Engineer, X Money in London, United Kingdom. The listing describes it as a full-time, senior position.
From the advert, the main requirements are 5+ years of experience.
The advert mentions Python, Java and Rust among the skills and tools for this role.
Pay stated in the listing: £107,000 - £262,000 GBP.
Visa sponsorship is not mentioned. Applicants from outside United Kingdom should check the official work permit route before applying.
Dev Global Jobs found this job on Arbeitnow on Nov 14, 2026.
- Employer
- Xai
- Location
- London, United Kingdom
- Job type
- Full-time
- Level (from the title)
- senior
- Pay
- £107,000 - £262,000 GBP
- Experience asked
- 5+ years
- Found
- Nov 14, 2026 on Arbeitnow
- Employer text
- 433 words, about 2 min to read
- Apply only on the official page (arbeitnow.co.uk). Dev Global Jobs is not the employer and never asks for a fee.
- Compare your own experience with the 5+ years the advert asks for, and show it clearly near the top of your CV.
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DGJ Insight
Our own data about this role and place, from official statistics and our live job index.
This job's listed pay is 297% above the benchmark.
Source: OECD Average annual wages, 2025
UN living-cost index for United Kingdom (ICSC post adjustment 76.4), as of 1 Oct 2026.
Source: ICSC post adjustment classifications (icsc.un.org)
- Skilled Worker visa: Job offer from a licensed sponsor at the required skill and salary level; English requirement
- Health and Care Worker visa: Eligible health and social care roles with a licensed sponsor
- Global Talent visa: Endorsement as a leader or potential leader in a listed field
Official routes: UK Visas and Immigration (GOV.UK)
About the role
Full text from the employer, as published on Arbeitnow, arranged into sections. Nothing added or removed.
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.
SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.
SR. SOFTWARE ENGINEER, X MONEY
We are seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial institutions. In this role, you will specialize in backend development, designing and optimizing robust microservices to ensure scalability, security, and reliability. You will support full-stack efforts, collaborate with cross-functional teams on payments, fraud detection, and compliance initiatives, and contribute to the creation of a high-scale financial products platform. This is an opportunity to work on greenfield projects in a fast-paced, startup-like environment, driving innovation at the intersection of AI and finance.
01RESPONSIBILITIES
- Develop backend services, APIs, and data models to support high-volume, multi-user environments
- Work with iOS, Android & Web client engineers to ship products
- Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms
- Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics
- Lead architecture, scalability, and reliability decisions for high-concurrency, low-latency systems
- Uphold engineering excellence via testing, monitoring, deployment, and secure data handling
02BASIC QUALIFICATIONS
- 5+ years of experience working on large scale consumer applications or early-mid stage startup experience as a founding engineer, emphasizing rapid prototyping, user-centric design, and AI solutions
03PREFERRED SKILLS AND EXPERIENCE
- Experience with high-volume streaming systems
- Experience with distributed systems for high-scale, low-latency environments
- Experience with Rust, Go, Python, or Java
04COMPENSATION AND BENEFITS
£107,000 - £262,000 GBP
Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive healthcare and dental coverage, cash plan, income protection, life insurance, and various other discounts and perks.
SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
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