Lead Java Engineer job opportunity at Mindera.



Date2025-09-24T11:07:11.252Z bot
Mindera Lead Java Engineer
Experience: General
Pattern: Full-time
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degreeGeneral
loacation London, United Kingdom
loacation London....United Kingdom

At Mindera, we craft software with people we love. We’re looking for a Lead backend engineer with a background in Kotlin or Java. Familiarity with Micronaut (or similar frameworks such as Spring Boot). Experience working in Identity teams (authentication, authorisation, SSO/OAuth). Proven track record of leading complex engineering projects. Strong problem-solving and communication skills. Nice to Have: Experience with IAM platforms (Okta, Auth0, Keycloak, ForgeRock). Knowledge of identity/security standards such as OpenID Connect, JWT, SAML, MFA. Cloud platform experience (Azure, AWS, or GCP). Exposure to DevOps practices and CI/CD pipelines.  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. Proven experience as a Lead 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. Nice to Have Experience with IAM platforms (Okta, Auth0, Keycloak, ForgeRock). Knowledge of identity/security standards such as OpenID Connect, JWT, SAML, MFA. Cloud platform experience (Azure, AWS, or GCP). Exposure to DevOps practices and CI/CD pipelines. 

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