Senior Back End Developer, Java, AWS

Sanderson; Greater London; On-site; GBP 120,000 - 157,000; Full time

Job summary

Sanderson is seeking a Senior Backend Developer to build and maintain cloud-based services on AWS, using Java 21 and Spring Boot in a hands-on, delivery-focused role. The work involves code reviews and input into technical decisions.

Responsibilities include building REST and event-driven microservices, deploying on AWS (ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS), owning services end-to-end, and maintaining CI/CD pipelines and IaC (Terraform, CloudFormation or CDK).

Qualifications

• Must have commercial experience with Java 21 and Spring Boot.
• Experience building and running applications on AWS.

Responsibilities

• Build REST and event-driven microservices in Java and Spring Boot.
• Deploy and support services on AWS (e.g. ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS).
• Own services from design through to production support.
• Maintain CI/CD pipelines and infrastructure as code (Terraform, CloudFormation or CDK).
• Review code and contribute to architecture decisions.

Skills

Java 21

Spring Boot

AWS

REST APIs

Event-driven

CI/CD

Terraform

CloudFormation

CDK

Code reviews

Architecture decisions

Tools

Java 21

Spring Boot

AWS

Job description

Senior Backend Developer (Java / Spring Boot / AWS)

Duration: 6 months initial

The role:

I'm working with a financial services organisation that needs a Senior Backend Developer to build and maintain cloud-based services on AWS. The work is hands-on and includes code reviews and input into technical decisions.

Responsibilities:

• Build REST and event-driven microservices in Java and Spring Boot
• Deploy and support services on AWS (e.g. ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS)
• Own services from design through to production support
• Maintain CI/CD pipelines and infrastructure as code (Terraform, CloudFormation or CDK)
• Review code and contribute to architecture decisions

Essential skills:

• Commercial experience with Java 21 and Spring Boot
• Building and running applications on AWS