API Solution Architect
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Job Summary
Position: API Solution Architect
Hoxton Wealth is a leading global wealth management firm delivering financial solutions to international investors and expatriates across regulated jurisdictions.
We are seeking an API Solution Architect to lead the design and evolution of our API platform and integration architecture. This role is suited to a senior hands-on architect with deep experience designing scalable secure and well-governed APIs that support complex business workflows across internal systems and external partners.
You will play a key role in defining API standards integration patterns and architectural guardrails that enable teams to build reliable compliant and developer-friendly services. The role requires strong technical depth architectural judgment and the ability to collaborate across engineering security product and compliance teams in a regulated environment.
You will work closely with backend engineers platform teams DevSecOps and product stakeholders to ensure APIs are consistent discoverable secure and aligned with long-term platform strategy.
Responsibilities
- Define and own the API architecture strategy standards and best practices across the organisation.
- Design scalable secure and versioned REST APIs to support internal services client-facing applications and third-party integrations.
- Establish and govern API contracts using OpenAPI / Swagger ensuring clarity consistency and strong consumer experience.
- Provide architectural guidance and hands-on design support for services built using Python and TypeScript.
- Define integration patterns for synchronous and asynchronous communication including event-driven and message-based architectures where appropriate.
- Ensure APIs are designed with security observability and reliability in mind including authentication authorization rate limiting and error handling.
- Collaborate with DevSecOps and platform teams to embed API security testing and documentation into CI/CD pipelines.
- Partner with product and engineering teams to translate complex business workflows into clear well-structured API designs.
- Guide teams on API versioning backward compatibility deprecation strategies and lifecycle management.
- Review designs and implementations to ensure adherence to architectural standards and non-functional requirements.
- Support regulatory and compliance requirements by ensuring APIs are auditable well-documented and aligned with internal controls.
- Mentor engineers and contribute to raising overall API design maturity across teams.
Requirements
- 810 years of experience in software engineering and solution architecture with a strong focus on API and integration design.
- Deep hands-on experience designing and implementing RESTful APIs using Python and TypeScript.
- Strong experience defining API contracts using Swagger / OpenAPI including schema design validation and documentation.
- Solid understanding of API security principles including OAuth 2.0 JWT API keys and role-based access control.
- Experience designing APIs for high availability scalability and performance in cloud-native environments.
- Familiarity with API gateways service meshes or integration platforms.
- Strong understanding of data modelling validation and error handling patterns for public and internal APIs.
- Experience working in regulated environments such as financial services fintech or similar industries.
- Ability to balance short-term delivery needs with long-term architectural sustainability.
- Excellent communication skills with the ability to explain architectural decisions to both technical and non-technical stakeholders.
- Proven ability to mentor teams review designs and drive architectural alignment across multiple initiatives.
Key Skills
- Business Process
- VMware
- Cloud
- HTML5
- Windows
- Project managements
- AWS
- Infrastructure
- Web Services
- JQuery
- Java
- Computer Engineering
- Solutions design
- Technical Solutions
- Analytics
