Skills

Leadership Java Kotlin CI/CD DevOps Kubernetes Test Scrum Azure AWS Software Development Agile Spring GCP Spring Boot CI/CD Pipelines Kafka Microservices

Job Specifications

Java/Kotlin Team Lead - London - 6 months - Circa £650pd - 3 days pw

We are partnered with a tech client who are looking for a Lead Backend Engineer with strong experience in Java and/or Kotlin to take a key technical leadership role within a backend-focused engineering team

Technical Leadership & Influence

Lead design discussions, technical deep dives, and knowledge-sharing initiatives
Anticipate technical risks and proactively propose scalable, secure solutions
Influence product and platform decisions through strong technical insight

Hands-on Software Development

Develop high-quality backend services using Java (17+) and frameworks such as Spring Boot or Micronaut
Build resilient, high-throughput services supporting secure transaction processing
Design and implement integrations with external systems including payment gateways, banks, and fraud platforms

Core Skillset:

Proven experience as a Lead Java Engineer in backend-heavy, multi-level engineering teams
Strong expertise in Java 17+, with Spring Boot or Micronaut; Kotlin experience is a bonus (or willingness to learn)
Hands-on experience with event-driven architectures, Kafka, microservices, and enterprise integration patterns
Solid understanding of payment systems and PSP integrations, including fraud, tokenisation, and settlement flows
Experience with cloud infrastructure (Azure preferred), Kubernetes, and CI/CD pipelines
Working knowledge of relevant regulatory standards such as PCI DSS, SCA, and PSD2s
Experience working in Agile/Scrum environments with a DevOps and test-driven mindset

Nice to have

Experience with IAM platforms such as Okta, Auth0, Keycloak, or ForgeRock
Knowledge of identity and security standards including OpenID Connect, OAuth2, JWT, SAML, and MFA
Broader cloud exposure across Azure, AWS, or GCP

If this is of interest, please send an updated CV and we can set up a call?

About the Company

La Fosse is on a mission to help our customers achieve their ambitions, working by their side to create a total talent solution from the classroom to the boardroom. Our vision is simple: to lead by example to achieve a change in the standards of care within our industry. We partner with our customers to build solutions for their business and people challenges, leveraging our recruitment, academy, solutions, and executive search offerings. Our expert teams work at all levels on a permanent, contract, interim, and executive ... Know more