AI-Driven Java & Serverless API Engineer (4-Day Week)

Aflac Northern Ireland; Belfast City District; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Flexible working (4 days/week option)

Job summary

Aflac Northern Ireland is seeking a Java Engineer to help scale AI-enabled services in a serverless, cloud-first environment. You will develop Java APIs, AWS Lambda functions and microservices that power customer experiences and core business capabilities.

You will work in an Agile team, applying TDD and CI/CD practices, and you will connect applications to AI services such as Bedrock, SageMaker and OpenAI while building event-driven data flows with Kafka, SQS and SNS.

Qualifications

• 3+ years Java development with APIs, microservices and cloud-native design patterns.
• Serverless technologies (AWS Lambda preferred) or strong learning interest.
• AI/ML concepts understanding and enthusiasm for intelligent capabilities integration.
• Excellent communication skills with ability to explain technical concepts clearly.
• Collaborative mindset for fast-paced, innovative environments.
• Applicants must be located in Northern Ireland and hold the relevant right to work status. Sponsorship is not available.

Responsibilities

• Intelligent Solution Development: Delivering customer-centric solutions with embedded AI capabilities for enhanced user experiences.
• Agile Collaboration: Participating in daily stand-ups and contributing to Agile teams that value diverse perspectives and AI-augmented decision making.
• API & Serverless Development: Developing and integrating Java APIs and AWS Lambda serverless APIs, API Gateway, and Spring Boot for application integrations.
• AI/ML Integration: Implementing AI/ML integration layers connecting applications to services like Amazon Bedrock, SageMaker, and OpenAI APIs for intelligent features.
• Event-Driven Architecture: Building event-driven architectures using Kafka/MSK, AWS EventBridge, SQS, and SNS for real-time, scalable system communication.
• Test-Driven Development: Responsible for comprehensive testing including unit tests, integration tests, and AI model validation as part of TDD approach.
• AI Context Engineering: Collaborating on AI context engineering and model integration to enhance user experiences with conversational interfaces and intelligent automation.
• Problem Solving: Solving complex problems through serverless patterns and AI-powered insights alongside fellow team members.
• Infrastructure as Code: Implementing Infrastructure as Code and automated CI/CD pipelines for deployments.

Skills

Java development

Serverless technologies

AI/ML concepts understanding

Excellent communication

Collaborative mindset

Education

Bachelor's degree in Computer Science, Engineering, or STEM

Tools

AWS Lambda

API Gateway

DynamoDB

EventBridge

Step Functions

Docker

Kubernetes

Kafka

SQS

SNS

Job description

Aflac Northern Ireland is seeking a Java Engineer to help scale AI-enabled services in a serverless, cloud-first environment. You will develop Java APIs, AWS Lambda functions and microservices that power customer experiences and core business capabilities.

You will work in an Agile team, applying TDD and CI/CD practices, and you will connect applications to AI services such as Bedrock, SageMaker and OpenAI while building event-driven data flows with Kafka, SQS and SNS.