X4 Technology
About the Company
X4 Technology focus on helping you succeed by connecting the right people and providing the data and insights to help execute your strategic priorities.
Our consultants will help you align your people strategy to your business objectives, and guide you with simplicity through the process.
Core industries: Consumer Markets, Financial Services, Healthcare, Life Sciences & Technology
Get in touch to find out more: Contact@x4-technology.com
United Kingdom:
T: +44 2078 127 700
United States:
T: (718) 360-0570
Germany:
T: +49 301 6638 9697
Listed Jobs
- Company Name
- X4 Technology
- Job Title
- Quantitative Developer
- Job Description
-
Quantitative Developer - Machine Learning | High-Impact Trading
A technology-driven trading firm, a spinoff from one of the big 7 tech firms, is seeking a Quantitative Developer with ML expertise to join their elite team. This is a rare chance to shape next-generation trading strategies using advanced game theory and reinforcement learning.
Role Overview:
As a Quantitative Developer, you will develop and optimize proprietary trading models at the intersection of machine learning, algorithmic trading, and quantitative research to enhance market efficiency.
Key Responsibilities:
Develop and deploy reinforcement learning-based market-making strategies.
Optimize high-performance systems for competitive electronic markets.
Collaborate with quant researchers, data scientists, and engineers to refine predictive models.
Leverage ML techniques to enhance decision-making and execution efficiency.
Scale strategies across multiple products while ensuring real-time performance.
What You Bring:
Expertise in C++ or Python for high-performance computing.
Experience with machine learning, reinforcement learning, or deep learning in trading.
Strong understanding of market microstructure and execution strategies.
Proven experience deploying ML-driven trading strategies.
Familiarity with low-latency, high-frequency trading systems is a plus.
Degree in Computer Science, Applied Mathematics, or a related field from a top university.
Olympiad / competitive programming experience would be beneficial, but not mandatory.
Why Join Us?
Work with an elite team integrating AI into financial markets.
Environment that fosters innovation, autonomy, and research.
Competitive compensation with performance-based rewards (up to £/EUR 7 figures + bonus DOE).
Option to work remotely or from one of their offices in Europe.
If you’re passionate about quant development, ML, and trading, apply now to be part of the future of AI-driven finance!
London, United Kingdom
On site
31-03-2025
- Company Name
- X4 Technology
- Job Title
- Software Engineer
- Job Description
-
Job Title: Software Engineer
Job Type: Contract (OUTSIDE IR35)
Hours Per Week: 20
Location: Glasgow
Hourly Rate: £40/hour
Software Engineer - Key Responsibilities:
Defining and developing key Software practices in accordance with client needs
Writing scalable, robust, testable, efficient, and easily maintainable code
Translating software requirements into stable, working, high performance software
Playing a key role in architectural and design decisions, building toward an efficient micro services distributed architecture
Software Engineer - Experience and Qualifications Required:
5+ years' experience in backend software engineering
Golang
Linux (Bare Metal)
C, C++
Angular (nice to have)
Interviews: April 2025
Start Date: May 2025
How to Apply:
Apply to Gary Hargreaves at X4 Technology to learn more about the role or connect with me on LinkedIn to hear about regular job updates available with X4 Technology
Glasgow, United Kingdom
Hybrid
02-04-2025
- Company Name
- X4 Technology
- Job Title
- Security Architect
- Job Description
-
Job Title: Security Architect
Job Type: Contract
Location: Corsham
Rate: £550-600/day (Outside IR35)
Security Architect - Responsibilities:
Work with Solution Design Authority to provide security input into the development and refinement the technology roadmap
HLD/LLD of security solutions
Determine the interactions between the infrastructure, platform, and the software environment from a security perspective
Provide security input into developing, architecting, and documenting infrastructure solutions for the Development team to implement
Identifying vulnerabilities and mitigation strategies for these
Review a3rd Party services for security compliance to the MoD policy and industry best practices
Help to define and document security elements of the Architectural runway, setting the direction for Platform and cyber teams
Security Architect - Required Experience:
Active SC Clearance
Solution design of secure hardware and software solutions
Previous experience delivering on complex, large scale programmes
Expert knowledge of applying security architectural expertise across the client's technical environment, including Windows Server, VMware, VMware's VDI, Exchange etc.
Security architecture expertise within MoD environments
NCSC guidelines
Interviews: April 2025
Start Date: May 2025
How to Apply:
Apply to Gary Hargreaves at X4 Technology to learn more about the role or connect with me on LinkedIn to hear about regular job updates available with X4 Technology
Corsham, United Kingdom
On site
04-04-2025
- Company Name
- X4 Technology
- Job Title
- Senior Stress Engineer
- Job Description
-
Stress Engineering Opportunity supporting a unique long-term project based onsite in Bristol, working Outside IR35 within a highly skilled Airframe Design team.
The position is for a Stress Engineer on a brand new aircraft program – a rare chance to get involved at the full airframe design stage. The role involves hands-on stress analysis, report compilation, and supporting verification/certification work, all within a fast-paced and forward-thinking environment.
A few key things the team is looking for:
Aircraft experience (eVTOL or similar highly regarded)
Proficiency in hand calcs and/or FEA (Hyperworks preferred, others considered)
Familiarity with COMSOL/ANSYS/MATLAB/Abaqas beneficial
Strong communication skills and the ability to work independently
Knowledge of fatigue/damage tolerance or crashworthiness is a bonus
If this sounds like something you’d be open to exploring, please send your CV and we can set up a quick chat to go over details, CVs are being considered from the 14/04/24
Bristol, United Kingdom
On site
13-04-2025