Technical Architect (Ecommerce Search)

Posted 11 August 2026
LocationLondon
Job type Contract
Discipline Technology

Job description

Your responsibilities:

  • Architect and design enterprise-scale e-commerce search platforms that support product discovery, navigation, personalization and merchandising strategies.

  • Define search architecture standards, indexing strategies, ranking models, relevancy frameworks and search optimization approaches.

  • Design and implement AI-powered search capabilities including semantic search, vector search, query understanding and personalized search experiences.

  • Lead integrations between search platforms and product catalogues, inventory systems, customer data platforms, recommendation engines, and digital commerce ecosystems.

  • Establish cloud-native architecture patterns ensuring scalability, resilience, security and operational excellence.

  • Partner with business stakeholders, product teams and engineering teams to translate search and customer experience requirements into technical solutions.

  • Drive technical governance, architecture reviews and engineering best practices across search platforms and services.

  • Provide technical leadership and mentoring while driving continuous improvement in search relevance, performance and customer experience.

Your Profile

Key Responsibilities

  • Define the enterprise architecture roadmap for digital commerce search and product discovery platforms.

  • Lead the design and implementation of search, indexing and relevance strategies across large-scale retail systems.

  • Develop scalable search solutions leveraging OpenSearch, Elasticsearch and AI-powered search technologies.

  • Establish search observability, performance monitoring and operational governance frameworks.

  • Drive search performance optimization, scalability planning and platform modernization initiatives.

  • Lead architecture reviews, technical design workshops and solution governance activities.

  • Support business growth through innovative search experiences that improve conversion, engagement and customer satisfaction.

Hands-on Skills Required – Technical Architect (Ecommerce Search)

  • Strong experience designing and architecting large-scale e-commerce search platforms using OpenSearch, Elasticsearch or equivalent technologies.

  • Expertise in search relevance tuning, ranking models, indexing strategies, faceted search and search analytics.

  • Experience implementing semantic search, vector search, embeddings and AI-driven search capabilities.

  • Strong understanding of distributed search architectures, performance optimization, scalability and resilience.

  • Experience designing API-driven, microservices-based and event-driven architectures.

  • Knowledge of cloud-native platforms, DevOps practices, infrastructure automation and containerized deployments.

  • Ability to provide technical leadership, stakeholder engagement and architecture governance across complex enterprise programs.

Technologies

  • Search Platforms: AWS OpenSearch, Elasticsearch, Apache Solr

  • AI Search Technologies: Vector Search, Semantic Search, Embeddings, Relevance Models

  • Programming Languages: Java, Kotlin, Python, JavaScript/TypeScript

  • Frameworks: Spring Boot, React, Node.js

  • Cloud Platforms: AWS, Azure

  • Data & Messaging: Kafka, DynamoDB, Redis, S3

  • Architecture: Microservices, Event-Driven Architecture, REST APIs

  • DevOps & Automation: Terraform, Docker, Kubernetes, GitHub Actions

Observability: OpenSearch Dashboards, CloudWatch, Grafana, Prometheus