Java​/Node.js Solutions Architect

Salary

£75,000 - 85,000 per year

• Experience in Solution Architecture with a focus on E-commerce platforms or API/Middleware ecosystems.
• Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL, with the ability to read and critique vendor code.
• Deep proficiency in API management patterns, Webhook integrations, and Event-Driven Architecture using Kafka or Azure Event Hubs.
• Demonstrable experience migrating legacy monolithic systems into containerised microservices architectures.
• Proficient in Visio or Lucid Chart for architectural modelling; disciplined in Confluence for documentation practices.

• Develop high-quality High-Level Designs (HLDs) and Low-Level Designs (LLDs) for DTS, EPOS, and other strategic work streams that meet contractual standards for external vendors.
• Conduct structured audits of vendor-submitted code and architecture to enforce the Stable-by-Design framework, ensuring adherence to internal quality, security, and scalability thresholds.
• Orchestrate complex data mapping between legacy IBM iSeries (DB2/RPG) systems and modern API middleware, taking on technically demanding challenges requiring deep integration expertise.
• Lead investigations into recurring platform failures, error surges, latency anomalies, and data inconsistencies, delivering long-term structural remediation solutions.
• Maintain high-quality architecture documentation in Confluence, ensuring designs are versioned, accessible, and transferable to operational teams.

• API
• Architect
• Azure
• Confluence
• IBM
• Java
• Kafka
• PostgreSQL
• Security
• Spring
• Spring Boot
• microservices
• NodeJS
• Cloud

We are a well-established and diversified multinational organization located in Wembley, London, looking for a Solutions Architect to join our team. We offer a competitive salary package of up to £85,000 per annum and expect the successful candidate to work on-site five days a week. As a hands‑on technical leader, you will have the opportunity to create innovative technology solutions while working with talented professionals in a collaborative environment.

Last updated: 25 week of 2026