Lead Java Platform Architect - 4-Day Hybrid Payments

Avance Consulting; Greater London; Hybrid; GBP 120,000 - 150,000; Full time

Job summary

Avance Consulting in London, UK is seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms.

The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture. This hybrid role combines hands-on design with leadership across engineering teams and senior stakeholders.

Qualifications

• 15+ years in software engineering with 8+ years in architecture or lead engineering.
• Proven track record delivering banking and payment solutions.
• Expert in Java, Spring Boot, Spring Cloud and microservices.
• Deep knowledge of Kafka, NATS, event streaming and API integration.
• Hands-on with Oracle and PostgreSQL, data modelling and high-availability systems.
• Excellent stakeholder management, leadership and communication skills.

Responsibilities

• Architect high-volume payment platforms including real-time payments, SWIFT, ISO 20022, settlement, reconciliation and compliance.
• Design event-driven and messaging architectures using Kafka, NATS and microservices.
• Drive AI-led software engineering using GenAI tools (e.g., GitHub Copilot, Claude Code).
• Lead cloud-native platform design using Kubernetes, Docker and modern DevOps practices.
• Mentor engineering teams, define technology roadmaps, and engage with senior stakeholders.

Skills

Java

Spring Boot

Spring Cloud

Microservices

Kafka

NATS

API architecture

Data modelling

Oracle

PostgreSQL

Leadership

Stakeholder management

Tools

GitHub Copilot

Claude Code

Cursor

LLM-based development

Kubernetes

Docker

Job description

Avance Consulting in London, UK is seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms.

The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture. This hybrid role combines hands-on design with leadership across engineering teams and senior stakeholders.