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X4 Technology

X4 Technology

www.x4-technology.com

26 Jobs

60 Employees

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 background Company brand
Company Name
X4 Technology
Job Title
Contract Frontend Developer (Energy)
Job Description
**Job Title** Contract Frontend Developer (Energy) **Role Summary** Develop greenfield, high‑performance trading dashboards and real‑time analytics for commodities traders, primarily using Angular and Azure services, with integration to a Python‑based backend. **Expectations** Deliver rapid, reliable UI components that enable fast, data‑driven trading decisions in a fast‑paced, iterative environment. Maintain high code quality, documentation, and collaboration with traders and backend engineers for seamless integration. **Key Responsibilities** - Design and implement interactive trading dashboards, charts, and analytics tools for commodity markets. - Create responsive, performance‑optimised Angular components and services. - Integrate frontend applications with Azure‑native services and Python (FastAPI) APIs. - Collaborate closely with traders to gather requirements, refine features, and validate functionality in real‑time cycles. - Participate in code reviews, unit testing, and continuous integration pipelines to ensure robust delivery. - Monitor, troubleshoot, and optimize UI performance and latency. - Keep up to date with industry best practices and emerging trading dashboard technologies. **Required Skills** - Strong Angular expertise (components, services, RxJS, state management). - Experience building front‑end solutions in the commodities trading domain. - Working knowledge of Python (FastAPI, Pandas, NumPy) for data service integration. - Familiarity with Azure services (App Service, Logic Apps, Functions) and deployment pipelines. - Proficient in HTML5, CSS3, TypeScript, and modern JavaScript tooling. - Ability to work in an agile, fast‑paced, client‑facing environment and iterate quickly based on stakeholder feedback. - Excellent communication skills and ability to collaborate with traders and backend teams. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - No specific certifications required; relevant experience with Azure and Angular is prioritized.
London, United kingdom
Hybrid
13-09-2025
Company background Company brand
Company Name
X4 Technology
Job Title
Contract Rapid Application Developer (Energy)
Job Description
Job title: Contract Rapid Application Developer (Energy) Role Summary: Speed‑to‑market developer embedded in an energy trading desk, building and enhancing Python, .NET, and Angular solutions to support P&L tools, real‑time analytics, and front‑office trading workflows. Expactations: - Deliver production‑ready code within tight trading cycles. - Collaborate directly with traders, quants, and infrastructure teams. - Shift‑left refactor, automate, and containerize services for reliable deployment. - Scale event‑driven architectures on Azure and support continuous integration pipelines. Key Responsibilities: - Design, develop, and maintain Python‑based P&L tools using FastAPI, Pandas, and NumPy. - Build and expose ASP.NET Core Web APIs, integrate SDKs, and handle real‑time data streams. - Create Angular UI components for trading dashboards and data visualizations. - Deploy Azure resources via Bicep/Terraform, manage Functions, Service Bus, and Storage. - Containerise workloads with Docker, orchestrate with Kubernetes, and automate through CI/CD pipelines. - Work with SQL Server, PostgreSQL, and Cosmos DB for data persistence and analytics. - Participate in Agile ceremonies and adapt quickly to evolving front‑office requirements. Required Skills: - Proven RAD experience in a front‑office trading environment. - Strong knowledge of C# (.NET Core, ASP.NET Core Web API), event‑based architecture, and containerisation. - Python expertise: FastAPI, Pandas, NumPy. - Angular development for responsive UI solutions. - Azure cloud proficiency: Bicep/Terraform, Web Apps, Functions, Service Bus/Event Hubs, and Storage Accounts. - Docker, Kubernetes, Azure Pipelines, and CI/CD best practices. - Relational (SQL Server, PostgreSQL) and NoSQL (Cosmos) database experience. - Agile methodology mindset and ability to deliver rapid, pragmatic code. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or equivalent technical background. - Certifications in relevant technologies (e.g., Microsoft Certified: Azure Developer Associate, Azure Fundamentals, Angular or .NET) preferred but not mandatory.
London, United kingdom
Hybrid
14-09-2025
Company background Company brand
Company Name
X4 Technology
Job Title
Contract Software C# Engineer (Energy Trading)
Job Description
Job Title: C# .NET Developer (Energy Trading) Role Summary: Contract position focused on leading a technological transformation in energy trading systems, with emphasis on scalable data-first architecture, high-performance trading platform development, and cloud-native infrastructure. Expectations: 12-month contract with potential extension, requiring expertise in designing and optimizing real-time trading systems, distributed architecture, and cloud-based solutions. Key Responsibilities: - Design and develop C# .NET Core applications for real-time trading workflows and analytics. - Create and integrate RESTful/gRPC APIs in a microservices environment. - Build event-driven services using Kafka or Azure Event Hubs. - Implement cloud-native solutions on Azure (Functions, Service Bus). - Work with SQL Server, MongoDB, and CosmosDB. - Automate CI/CD pipelines via Azure DevOps. - Collaborate with DevOps teams for secure, scalable deployments (Docker, Kubernetes). Required Skills: - Proven C# .NET Core development in production environments. - Experience with distributed systems and messaging technologies (Kafka, Event Hubs). - Strong proficiency in REST/gRPC APIs and domain-driven design. - SQL/NoSQL database expertise (SQL Server, MongoDB, CosmosDB). - Azure cloud and containerization (Docker, Kubernetes) experience. - Commitment to best practices: TDD, automated testing, CI/CD, Git workflows. Required Education & Certifications: Not specified.
London, United kingdom
Hybrid
13-09-2025
Company background Company brand
Company Name
X4 Technology
Job Title
Contract Software Engineer (React)
Job Description
**Job title:** Contract Software Engineer (React) **Role Summary:** Software Engineer focused on React development for a fast‑paced energy‑trading business. Build and maintain enterprise web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and AG Grid. Provide technical guidance, manage complex integrations between on‑premise, cloud, and legacy systems, and contribute to CI/CD pipelines. **Expectations:** - 8+ years of professional experience in JavaScript ecosystem. - Proven expertise in React, Redux, TypeScript, styled‑components, and React Testing Library. - Demonstrated experience in energy or commodity trading environments. - Strong debugging, testing, and automation skills. - Hands‑on experience with Azure DevOps, VSTS, and CI/CD pipeline creation. - Solid understanding of software design principles, patterns, and user‑centric architecture. **Key Responsibilities:** - Design, develop, and deploy responsive web components and full applications. - Deliver functional and technical solutions for web‑application challenges. - Consult internally on technology strategy and best practices. - Manage and orchestrate integration scenarios across on‑prem, cloud, and legacy platforms. - Write unit and integration tests; maintain code quality and coverage standards. - Participate in code reviews and mentor junior developers. **Required Skills:** - JavaScript (ES6+), React, Redux, TypeScript, Styled‑Components. - React Testing Library, Jest/Vitest. - Webpack, AG Grid, CSS. - RESTful API design and consumption. - CI/CD tooling (Azure DevOps, VSTS). - Cloud integration (Azure, on‑prem, legacy). - Strong design pattern knowledge (MVC, MVVM, component‑based architecture). - Debugging and performance optimization. **Required Education & Certifications:** - Bachelor’s degree or equivalent in Computer Science, Software Engineering, or related field. - Certifications in Azure DevOps, React, or related technologies are a plus but not mandatory.
London, United kingdom
Hybrid
Senior
19-09-2025