Senior Java Technologist & Architecture Lead (Retail Payments)

Mindera; Greater London; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading global technology company is seeking a Principal Java Technologist to spearhead technical leadership across various teams within a large retail organization. The role requires hands-on experience in developing solutions and ensuring architectural excellence within high-scale retail and payment systems. The ideal candidate will have strong Java expertise, a solid understanding of cloud infrastructure, and the ability to mentor teams. This position is based in London and requires onsite attendance three days a week. Competitive salary and benefits are offered.

Benefits

Competitive salary including self-proposed salary increases

Flexible working arrangements

25 days holiday plus bank holidays

Annual profit distribution

Enhanced Maternity/Paternity leave

Enhanced pension scheme

Professional development opportunities

Private Medical Healthcare

Conference Budget

Cycle to Work scheme

Qualifications

• Proven experience in large-scale, backend-heavy environments.
• Strong understanding of retail and payment systems.
• Working knowledge of PCI DSS, PSD2, and SCA.

Responsibilities

• Lead technical discovery sessions and architecture reviews.
• Write and review high-quality Java code.
• Champion event-driven architectures and integrations.
• Mentor engineers and promote engineering excellence.

Skills

Java expertise (Java 17+)

Spring Boot or Micronaut

Event-driven architectures

Microservices design

Communication skills

Agile/Scrum environments

Education

Experience as Principal Java Engineer / Technologist

Tools

Kafka

Azure

Kubernetes

Terraform

GitHub Actions

Job description

A leading global technology company is seeking a Principal Java Technologist to spearhead technical leadership across various teams within a large retail organization. The role requires hands-on experience in developing solutions and ensuring architectural excellence within high-scale retail and payment systems. The ideal candidate will have strong Java expertise, a solid understanding of cloud infrastructure, and the ability to mentor teams. This position is based in London and requires onsite attendance three days a week. Competitive salary and benefits are offered.