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Software Developer - Java

Technology
Haystack
London, United Kingdom4 weeks agoUntil 24/05/2026
Hybrid

Job description

  • *Java Developer x 2**
We're working with a leading London-based financial services powerhouse on this exciting opportunity.

Shape the future of financial data by joining a high-impact team building a brand-new, business-critical platform from the ground up. This is a rare chance for a Senior Java Developer to leverage distributed programming and cloud-native architecture to solve complex data challenges at scale.

  • *The Role
  • Lead the development of high-performance Microservices using Java and RESTful architectures.
  • Architect and deploy scalable data pipelines within a complex Oracle environment.
  • Drive innovation on a greenfield project, ensuring the delivery of robust, business-critical financial products.
  • Collaborate on distributed programming patterns to ensure high availability and system resilience.
  • Optimize cloud infrastructure to support data-heavy workloads and real-time processing.
  • *What You'll Need
  • 5+ years of professional Java Development experience, specifically within the Financial Services or Fintech sector.
  • Deep expertise in Microservices architecture, Spring Boot, and building secure RESTful APIs.
  • Proven track record with Data Pipelines, Data Products, and advanced Oracle database development.
  • Strong technical background in Distributed Systems and Distributed Programming paradigms.
  • Hands-on experience with Cloud platforms (AWS, Azure, or GCP) for deploying enterprise-grade applications.
  • *What's On Offer
  • Lucrative daily rate of £600 - £650 (Umbrella).
  • Initial 6-month contract with high potential for long-term extensions.
  • Dynamic London-based hybrid working model balancing flexibility and collaboration.
  • Opportunity to work on a high-visibility, greenfield project in a Tier 1 financial environment.
  • *Apply via Haystack today!
Keywords
software-developersjavajava-developerfinancial-datateam-buildingtraining-and-developmentmicroservicesdata-pipelineoracleenvironment-health-and-safety-hsseecology-environmenthigh-availabilitycloud-infrastructuretime-and-attendancefinancial-servicesfintechmicro-services-architecturespringspring-bootoracle-databasedatabase-developmentdistributed-computingamazon-web-servicesmicrosoft-azuregoogle-cloud-platformgood-clinical-practice-gcphaystack

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