Silicon Logic UK Ltd.
Technical Architect
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Role/Job title: Technical Architect (Ecommerce Search)
Work Location: London, UK
Role type/Duration: 12 Months contract
Mode of working: Hybrid (3 days)
Day rate (for candidate): GBP 600 /day (Inside IR35)
The Role
This role will play a key part in shaping the search and product discovery capabilities for one of the UK's leading retailers. You will lead the architecture and design of enterprise-scale e-commerce search solutions, leveraging search platforms, AI-powered relevancy models, semantic search, vector search, cloud-native technologies, and large-scale data integration platforms. The role requires strong technical leadership and architecture expertise to deliver scalable, secure, and high-performing search experiences that improve customer engagement and business outcomes.
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.
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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)
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- 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
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