Java Technical Leader

Jobtailor; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

Jobtailor in London is seeking a senior backend engineer to lead the design and development of scalable cloud-native systems using Java and Kotlin. You will shape technical direction, drive delivery of complex features, and coach engineers across tribes and squads.

You should have deep JVM expertise, strong experience with REST APIs, event-driven messaging, AWS, and multi-cloud environments, and a track record delivering mission-critical platforms in banking/payments.

Qualifications

• Strong backend development experience using Java and Kotlin.
• Deep expertise in the JVM ecosystem.
• Experience with open-source frameworks, REST APIs, event-driven messaging, and databases.
• Proven experience building cloud-native applications, microservices, distributed architectures, and customer-facing platforms.
• Experience using AWS and multi-cloud environments.
• Experience with mission-critical systems, ideally in banking, payments, or card issuing.
• Expertise in testing, CI/CD pipelines, and modern software delivery automation.
• Ability to operate effectively in ambiguous, rapidly changing environments.
• Demonstrated ability to coach and develop engineers and influence engineering direction beyond immediate team boundaries.
• Ability to collaborate across tribes and squads.
• Excellent stakeholder management and communication skills across business and engineering functions.

Responsibilities

• Lead the design and development of scalable, cloud-native backend systems using Java and Kotlin.
• Shape technical direction, engineering practices, and architectural decisions across tribes and squads.
• Drive delivery of complex features in ambiguous and rapidly changing environments.
• Balance long-term architecture goals with short-term priorities.
• Coach and develop engineers, fostering excellence, continuous improvement, and knowledge-sharing.
• Manage stakeholders across engineering and business functions.
• Report progress to senior leadership.
• Ensure system resilience, performance, and production support excellence.
• Champion responsible use of AI-assisted software development.

Skills

Java Backend

Kotlin Backend

JVM Ecosystem

Open-Source Frameworks

REST APIs

Event-Driven Messaging

Databases

Testing

CI/CD Pipelines

Distributed Architectures

Tools

AWS

Multi-Cloud Environments

Job description

• Lead the design and development of scalable, cloud-native backend systems using Java and Kotlin
• Shape technical direction, engineering practices, and architectural decisions across tribes and squads
• Drive delivery of complex features in ambiguous and rapidly changing environments
• Balance long-term architecture goals with short-term priorities
• Coach and develop engineers, fostering excellence, continuous improvement, and knowledge-sharing
• Manage stakeholders across engineering and business functions
• Report progress to senior leadership
• Ensure system resilience, performance, and production support excellence
• Champion responsible use of AI-assisted software development

Requirements

• Strong backend development experience using Java and/or Kotlin
• Deep expertise in the JVM ecosystem
• Experience with open-source frameworks, REST APIs, event-driven messaging, and databases
• Proven experience building cloud-native applications, microservices, distributed architectures, and customer-facing platforms
• Experience using AWS and multi-cloud environments
• Experience with mission-critical systems, ideally in banking, payments, or card issuing
• Expertise in testing, CI/CD pipelines, and modern software delivery automation
• Ability to operate effectively in ambiguous, rapidly changing environments
• Demonstrated ability to coach and develop engineers and influence engineering direction beyond immediate team boundaries
• Ability to collaborate across tribes and squads
• Excellent stakeholder management and communication skills across business and engineering functions

Core Competencies

Demonstrates expertise in designing and developing scalable, cloud-native backend systems using Java and Kotlin, while effectively managing stakeholders and fostering engineering excellence. Proven ability to navigate complex environments and influence technical direction across teams.

Highest-signal resume keywords

• Java Backend Development
• Kotlin Backend Development
• Cloud-Native Application Development
• AWS Experience
• Microservices Architecture

ATS Optimization Keywords

Hard Skills

• Backend Development
• JVM Ecosystem
• Open-Source Frameworks
• REST APIs
• Event-Driven Messaging
• Databases
• Testing
• CI/CD Pipelines
• Software Delivery Automation
• Distributed Architectures

Soft Skills

• Coaching and Development
• Stakeholder Management
• Communication Skills
• Collaboration

Industry Keywords

• Mission-Critical Systems
• Banking
• Payments
• Card Issuing

Tools & Technologies

• AWS
• Multi-Cloud Environments