Jobs
My ads
My job alerts
Sign in
Find a job Career Tips Companies
Find

Principal java engineer

London
Mindera
Principal
Posted: 12 January
Offer description

At Mindera, we craft software with people we love. We're looking for a Principal Java Engineer with strong Retail experience who can join our crew

Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week.

What does the role involve?

* Lead technical deep dives and knowledge sharing in the teams, anticipating challenges and proposing solutions
* Start influencing product and business decisions

Hands-on Software Development:

* Write high-quality Java code using frameworks such as Spring Boot or Micronaut.
* Build robust services that support secure, high-volume payment transactions.
* Develop integrations with acquiring banks, payment gateways, and fraud detection tools.

Cloud & DevOps Practices:

* Build and support cloud-native systems on the cloud (preferably Azure) using Terraform and Kubernetes.
* Manage CI/CD pipelines using GitHub Actions and ensure smooth delivery to production.
* Own monitoring, alerting, and observability, using tools like OpenTelemetry and Dynatrace.

Security & Compliance:

* Champion secure coding practices and data protection across services.

Collaboration & Mentoring:

* Work closely with product owners, engineering leads, and other stakeholders to shape technical solutions.
* Mentor and support more junior/mid/senior engineers, driving technical excellence across the board.
* Help establish and promote best practices around code review, testing, delivery, and operational support.

Continuous Improvement:

* Continuously improve platform reliability, performance, and cost-efficiency.
* Stay up-to-date with technology trends and proactively identify innovation opportunities.

Requirements

* Proven experience as a Principal Java Engineer in backend-heavy environments in teams having multiple levels of engineering.
* Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut. Kotlin experience is a bonus. If the applicant does not have experience they must show willingness to learn Kotlin.
* Hands-on knowledge of Kafka, event-driven architecture, enterprise integration patterns and Microservices.
* Solid understanding of payment systems and PSP integrations, including fraud, tokenisation, and settlement flows.
* Experience with cloud infrastructure (Azure preferred), CI/CD, and Kubernetes.
* Working knowledge of regulatory and compliance standards (PCI DSS, SCA, PSD2).
* Strong communication skills and the ability to explain complex technical concepts to a range of audiences.
* Experience working in Agile/Scrum teams with a DevOps culture and test-driven mindset.

Benefits

* Competitive Rates
* Six month contract outside IR35 with possibility of extension
* Friendly and welcoming team
* Opportunity to work with one of the UK's leading Retailers

At Mindera we use technology to build products we are proud of, with people we love.

Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera. We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact on their users and businesses across the world.

You get to work with a bunch of great people, where the whole team owns the project together. Our culture reflects our lean and self-organisation attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.

We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.

Check out our Blog and our Handbook

Mindera around the world: Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Blumenau, Brazil | Cluj-Napoca, Romania | Valencia, Spain | Casablanca, Morocco & Remote.

Apply
Create E-mail Alert
Job alert activated
Saved
Save
Similar job
Principal fire surveyor - london
London
Hunter Dunning
Principal
£90,000 a year
Similar job
Principal
London
CITY OF LONDON ACADEMIES TRUST
Principal
Similar job
Vice principal (academic)
London
RADA
Principal
See more jobs
Similar jobs
Engineering jobs in London
jobs London
jobs Greater London
jobs England
Home > Jobs > Engineering jobs > Principal jobs > Principal jobs in London > Principal Java Engineer

About Jobijoba

  • Career Advice
  • Company Reviews

Search for jobs

  • Jobs by Job Title
  • Jobs by Industry
  • Jobs by Company
  • Jobs by Location
  • Jobs by Keywords

Contact / Partnership

  • Contact
  • Publish your job offers on Jobijoba

Legal notice - Terms of Service - Privacy Policy - Manage my cookies - Accessibility: Not compliant

© 2026 Jobijoba - All Rights Reserved

Apply
Create E-mail Alert
Job alert activated
Saved
Save