Principal Software Engineer - Java

Apollo Solutions; Manchester; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading company in digital banking is seeking a hands-on Java Engineer to join their strategic engineering team. This role involves architecting and building performant services and APIs for innovative financial products, playing a key role in a greenfield project. The ideal candidate will have extensive experience in Java, cloud-native development, and microservices, and will contribute to setting high coding standards and mentoring junior engineers.

Benefits

Up to 15% employer pension contributions

Discretionary annual bonus

Share options and savings schemes

30 days of holiday plus bank holidays

Qualifications

• 8+ years of experience in Java and Spring Boot.
• Experience with cloud-first architectures and microservices.

Responsibilities

• Lead engineering efforts on backend services in Java.
• Design and maintain integration layers for banking systems.
• Establish coding standards and drive CI/CD practices.

Skills

Java

Spring Boot

Cloud-native Development

Microservices

RESTful APIs

Tools

Kafka

Kubernetes

Job description

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Location: Manchester (Hybrid – 2 days per week in office)

Our client is shaping the next chapter of digital banking with one of the biggest and most innovative banking software projects in Europe.

We’re looking for innovative minds to help lead the way. If you're a hands-on Java engineer with a passion for scalable architecture and modern cloud-native development, this is your chance to work on something big.

You’ll take a key role in a strategic engineering team that’s focused on designing and delivering the bank’s future core platform — a modern, event-driven system powered by cloud infrastructure.

You will play a key role in this greenfield project by architecting/building performant services and APIs which support innovative financial products.

What You’ll Do

• Lead engineering efforts on backend services in Java, built for cloud deployment and aligned with modern software architecture principles.
• Design and maintain integration layers and orchestration services that connect Vault with various internal banking systems.
• Establish coding standards, enforce clean code practices, and drive team-wide adoption of CI/CD, automated testing, observability, and secure development.
• Build scalable, reusable APIs with reliability and performance at the core.
• Work closely with DevOps, SREs, and platform teams to ensure resilient deployment strategies using Kubernetes, containers, and public cloud tools.
• Provide technical mentorship and guidance to engineers, playing a central role in shaping our engineering culture.

What You’ll Bring

• Strong background in Java (8+ years) and Spring Boot.
• Proven track record designing distributed systems and microservices at scale.
• In-depth understanding of cloud-first architectures and domain-driven design.
• Experience building and securing RESTful APIs and working with messaging platforms like Kafka.
• Comfort working across the software lifecycle — from architecture and design to testing and production support.
• Demonstrated leadership in setting engineering direction, mentoring others, and maintaining high standards for delivery.

Perks and Benefits:

• Up to 15% employer pension contributions
• Discretionary annual bonus
• Share options and savings schemes
• 30 days of holiday plus bank holidays

If you're interested, please apply now!

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology, Engineering, and Other

• Industries

  Financial Services, Software Development, and IT Services and IT Consulting

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