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Job Description

Contract Opportunity | Java Microservices & AWS Cloud Architect

London (Hybrid) | Banking Industry

⏳ 6-Month Contract |

We are looking for an experienced Java Microservices & AWS Cloud Architect to lead the design and delivery of large-scale, secure, and resilient cloud- platforms for a leading banking client.

This role is ideal for a hands-on architect with deep expertise in Java, Spring Boot, Microservices, and AWS, who can drive architecture decisions while mentoring engineering teams in a highly regulated environment.

Key Responsibilities

Define end-to-end architecture for microservices, APIs, integrations, and data flows Design AWS cloud architectures (multi-account, VPC, networking, security) Drive non-functional requirements: scalability, availability, performance, resilience, DR Provide hands-on technical leadership across Java/Spring Boot and microservices Establish CI/CD pipelines and Infrastructure as Code (Terraform/CloudFormation) Implement secure-by-design solutions (IAM, KMS, Secrets, OAuth2/OIDC) Define observability and resilience strategies (logging, metrics, tracing, HA/DR) Collaborate with Product, Security, SRE, and senior stakeholders

️ Required Skills & Experience

10+ years overall experience, with 4–6 years as a solution/technical architect Java 11+/17, Spring Boot, Spring Cloud, JPA/Hibernate Microservices architecture (DDD, BFF, event-driven systems) AWS: EKS/ECS, Lambda, API Gateway, RDS/Aurora, DynamoDB, S3, MSK/Kinesis, ElastiCache, IAM, KMS, CloudWatch DevOps & Cloud : Docker, Kubernetes, CI/CD, Terraform/CloudFormation Messaging & integration: Kafka/MSK, SQS/SNS, REST/gRPC Strong understanding of security, networking, and compliance in cloud environments Banking or regulated-industry experience

Soft Skills

Excellent communication and stakeholder management Ability to mentor engineers and enforce best practices Strong documentation and architectural decision-making skills

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