Backend Solution Architect

WA Consultants Ltd; United Kingdom; Remote; GBP 70,000 - 90,000; Full time

Job summary

A technology consultancy in the United Kingdom is looking for a Backend Solution Architect for a one-year, fully remote contract. You will design the backend architecture for a high-scale eCommerce platform, driving cloud-native solutions and collaborating with various technical teams. Ideal candidates will have extensive backend engineering experience and a strong background in cloud architecture, particularly Microsoft Azure. This role offers a significant opportunity for architectural ownership and innovation.

Qualifications

• 10+ years of experience in backend engineering, with 3+ years in an architecture or senior technical leadership role.
• Deep expertise in cloud architecture, particularly with Microsoft Azure.
• Strong experience with SQL (e.g., SQL Server, PostgreSQL) and NoSQL databases.

Responsibilities

• Design and evolve the backend architecture of a high-scale eCommerce platform.
• Define architecture guidelines and establish best practices for backend services and APIs.
• Collaborate with engineering, product, and DevOps teams to ensure seamless integration.

Skills

Backend engineering experience

.NET (C#) or Java or Node.js

Cloud architecture (Microsoft Azure)

Event-driven architecture

Microservices

SQL/NoSQL databases

Caching strategies (Redis)

Integration patterns

DevOps practices

Excellent communication skills

Tools

Azure

Kafka

Solace

Docker

Kubernetes

Job description

Backend Solution Architect (Portfolio Brands within retail / e-commerce) required for a one year, fully remote, outside IR35 contract.

Role

• Design and evolve the backend architecture of a high-scale eCommerce platform with a strong focus on performance, scalability, and availability.
• Define architecture guidelines and establish best practices for backend services and APIs.
• Drive cloud-native solutions using Azure (preferred), or other cloud providers (GCP).
• Lead the adoption and implementation of event-driven architecture.
• Collaborate with engineering, product, and DevOps teams to ensure seamless integration and deployment of backend services.
• Own architectural decisions for systems involving SQL/NoSQL databases, Redis, Kafka, Solace, and other backend technologies.
• Lead initiatives for backend modernization, microservices migration, and platform scalability.
• Ensure security, compliance, and maintainability in backend systems.
• Evaluate and recommend new technologies, frameworks, and tools.

Experience

• 10+ years of experience in backend engineering; at least 3 years in an architecture or senior technical leadership role.
• Strong experience in designing and building systems using .NET (C#) or other backend stacks, e.g., Java or Node.js.
• Deep expertise in cloud architecture, especially with Microsoft Azure (App Services, AKS, Functions, Storage, Service Bus, etc.).
• Proven experience in event-driven architectures, using technologies like Kafka, Solace, or Azure Event Hubs.
• Solid understanding of microservices, API design, REST/gRPC, and service meshes.
• Strong experience with both SQL (e.g., SQL Server, PostgreSQL) and NoSQL databases (e.g., Cosmos DB, MongoDB).
• Knowledge of caching strategies using Redis or similar technologies.
• Experience in integration patterns – synchronous/asynchronous, pub-sub, middleware, etc.
• Familiarity with DevOps practices and CI/CD pipelines.
• Excellent communication and stakeholder management skills.

Nice to Have

• eCommerce domain experience.
• Experience in building headless commerce systems.
• Knowledge of observability tools (e.g., Application Insights, Prometheus, Grafana).
• Familiarity with containerization (Docker, Kubernetes).

To arrange a Teams-based interview, please send your CV in the first instance to: [e-mail]

WA Consultants is an Employment Business and an Employment Agency as described within The Conduct of Employment Agencies and Employment Businesses Regulations 2003.