Senior Java Software Engineer (Pricing API) - 5 days - London

Senior Software Engineer - (Java, Pricing API,) - 5 days - Retail - London

Day rate: £400 - £500 (inside IR35)

Duration: 6 months

On site: 5 days per week

Start: Now

My client is looking for a Senior Java Developer with 8 - 15 years experience to join the team 5 days a week in their London office. This is an opportunity to work on a mission critical pricing and promotions API that supports over 28 million UK customers weekly, across all platforms with global expansion ahead.

This role involves designing and scaling a high-performance, internet-facing API operating across distributed environments. If you enjoy solving complex engineering challenges and building resilient systems at scale, this could be a great fit.

What You'll Be Doing

  • Designing and building scalable backend systems using Java and the JVM ecosystem
  • Developing clean, maintainable code from product requirements
  • Applying TDD/BDD practices and modern engineering principles
  • Building and maintaining cloud-native infrastructure
  • Working on highly available distributed systems
  • Troubleshooting production issues and driving root cause analysis
  • Mentoring others and contributing to engineering best practices
  • Exploring and introducing new tools and technologies

Tech Stack

Java | Vert.x | RxJava | Groovy Couchbase | Kafka Azure | Kubernetes | Terraform

GitHub Actions | CI/CD pipelines

What We're Looking For

  • Strong experience with Java (8+)
  • Hands-on expertise with cloud platforms (Azure, AWS, etc.)
  • Experience with SQL and NoSQL databases
  • Proven ability to build and scale distributed systems
  • Understanding of Agile delivery methods
  • Exposure to reactive programming
  • Experience in eCommerce or search platforms

*Rates depend on experience and client requirements

Job Details

Company
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£400 - £500 per day
Posted