Software engineer

Job Title - Senior Backend Software Engineer/Platform Engineer (API & Cloud)

Hybrid role - Edinburgh or London, 2 days per week onsite (flexible)

Role Summary

A hands-on Back End engineer responsible for designing, building, and operating secure, scalable APIs and Back End services in cloud-native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Apigee experience is an advantage.

Key Responsibilities

• Design, develop, and maintain Back End services and APIs (REST and event-driven).
• Build and operate APIs and MCPs using Apigee Hybrid/X.
• Apply API standards and industry best practices for design, versioning, security, documentation, and life cycle management.
• Embed DevSecOps practices across CI/CD pipelines and runtime environments.
• Design and implement secure service-to-service integrations using MCP, A2A, and AP2 protocols.
• Contribute to Back End integrations involving LLM-enabled or AI-driven systems, where applicable.
• Deploy, monitor, and support production services on AWS or GCP.
• Actively contribute code while collaborating within SCRUM agile teams.

Required Skills & Experience

• Strong hands-on Back End development experience (Java, Python, or Node.js).
• Proven API development experience using an API gateway platform.
• Production experience with at least one cloud platform: AWS or GCP.
• Practical DevSecOps experience, including CI/CD, infrastructure as code (Terraform), and automated security controls.
• Strong understanding of cloud networking concepts (VPCs, subnets, routing, load balancing, private connectivity).
• Experience working in SCRUM/agile ways of working.

Required Knowledge

• API standards and industry best practices, including:

• RESTful API design and OpenAPI specifications
• API security (OAuth 2.0, OpenID Connect, mTLS)
• Secure-by-design, zero-trust, resilience, and fault-tolerant patterns

• MCP, A2A, and AP2 protocols, including their use in secure, distributed integrations
• LLM concepts and integration patterns, including API-based interaction models and security considerations
• Cloud security, IAM, networking, and observability fundamentals

Desirable/Nice to Have/Would Be an Advantage

• Experience with Apigee (Hybrid/X) beyond basic consumption
• Experience with Kubernetes and containerised platforms
• Experience in regulated or large-scale enterprise environments
• Exposure to platform engineering or internal developer platforms
• Mentoring experience or contribution to engineering standards

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.