Senior Java Architect – Banking & AI-Driven Platforms

Third Nexus Group Limited; Greater London; On-site; GBP 102,000 - 138,000; Full time

Job summary

Third Nexus Group Limited seeks a Senior Java Engineering Architect in London to lead architecture, design and delivery of Banking, Payments and AI-driven platforms. The role demands hands-on leadership of large backend teams and enterprise-scale implementations.

The ideal candidate has 15+ years in software engineering, 8+ years in architecture roles, and deep Java/messaging/data/cloud expertise, including AI-enabled development practices.

Qualifications

• 15+ years of software engineering experience.
• 8+ years in solution/enterprise architecture roles.
• Proven experience delivering enterprise-scale Banking and Payment solutions.
• Strong leadership and stakeholder management and executive communication skills.

Responsibilities

• Define and drive enterprise architecture across banking and payments platforms.
• Lead large backend engineering teams to deliver scalable solutions.
• Leverage AI-enabled development practices to accelerate delivery and innovation.
• Communicate architectural vision to senior leadership and stakeholders.

Skills

Software engineering

Solution architecture

Leadership

Executive communication

Distributed teams

Education

TOGAF certification

Tools

Java

Spring Boot

Spring Cloud

Microservices

Kafka

NATS

Oracle

PostgreSQL

Kubernetes

Cloud technologies

Job description

Third Nexus Group Limited seeks a Senior Java Engineering Architect in London to lead architecture, design and delivery of Banking, Payments and AI-driven platforms. The role demands hands-on leadership of large backend teams and enterprise-scale implementations.

The ideal candidate has 15+ years in software engineering, 8+ years in architecture roles, and deep Java/messaging/data/cloud expertise, including AI-enabled development practices.