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
