Senior OpenSearch Developer – C#, .Net, AWS OpenSearch, Terraform – OUTSIDE IR35

Overview

Senior OpenSearch Developer – C#, .Net, AWS OpenSearch, Terraform – OUTSIDE IR35

This is a contract opportunity with Smart Sourcer for a senior developer who will work on greenfield AWS OpenSearch development within a cloud-native, B2B SaaS environment. The role emphasizes real-time OpenSearch processing, infrastructure as code, and DevOps practices as part of an AI-enabled initiative.

Responsibilities

  • Lead the design and implementation of AWS OpenSearch based services that can handle large-scale search queries in C#.
  • Develop and optimize AWS OpenSearch real-time processing capabilities.
  • Migrate multi-table database searches to OpenSearch solutions.
  • Architect and deploy infrastructure using IaC (Terraform or AWS CDK).
  • Leverage AWS cloud-native technologies to ensure scalability and reliability (e.g., Lambda, ECS, API Gateway, SQS).
  • Ensure robust integration between search services and core platforms.
  • Apply strong knowledge of distributed systems, performance optimization, and scalable architectures.

Qualifications

  • Experience leading the design and implementation of AWS OpenSearch based services in C#.
  • Experience with AWS OpenSearch real-time processing.
  • Experience migrating complex search workloads to OpenSearch.
  • Experience with Infrastructure as Code (Terraform or AWS CDK).
  • Experience using AWS cloud-native technologies to ensure scalability and reliability.
  • Strong understanding of distributed systems and performance optimization.
  • Excellent communication and stakeholder engagement skills.
  • Ability to start within 2 weeks and work fully remote.

Employment type

  • Contract
#J-18808-Ljbffr Salary: GBP 48000 - 72000 per year Experience: 5 years required
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