Senior Software Engineer Backend Platform

Senior Software Engineer (Backend / Platform)

Hoxton Wealth is a global financial services firm with offices in key locations, including Cyprus, the United States, the United Kingdom, Dubai, South Africa, Australia & Asia. The company leverages a tech and tax-led approach to financial planning, combining innovative technology solutions with deep expertise in tax-efficient strategies to deliver comprehensive wealth management services. With over $4 billion in assets under management (AUM), Hoxton Wealth is committed to helping clients achieve their financial objectives through personalized investment solutions, cross-border financial planning, and long-term strategies for wealth growth and preservation.

Experience

8 - 10 years of professional software engineering experience with clear progression into system ownership, architecture, and technical leadership.

Role Overview

We are hiring a Senior Engineer who operates at architect level while remaining hands-on. This role owns backend and platform architecture, leads technical decision-making, and raises engineering standards across mission-critical fintech systems.

Key Responsibilities

Architecture & Platform Ownership

• Design, evolve, and govern backend and service architectures using Node.js, PHP/Laravel, and Python/FastAPI.
• Own REST API architecture including domain modelling, versioning, idempotency, and security controls.
• Define and review HLDs/LLDs ensuring scalability, auditability, and resilience.
• Drive decisions around data consistency, transactions, and fault tolerance.
  
  
  

• Actively code on complex workflows, financial logic, and core platform services.
• Review critical code paths for correctness, performance, and security.
• Lead incident remediation through structured RCA and systemic fixes.
• Own technical debt prioritisation aligned with business and risk impact.
  
  
  

• Establish AI-assisted engineering practices for development, testing, and documentation.
• Define responsible AI usage standards with strict data protection controls.
• Coach engineers on effective AI-assisted workflows without compromising rigor.
  
  
  

• Own data modelling strategies using MySQL and PostgreSQL.
• Ensure financial accuracy, traceability, and regulatory compliance.
• Design systems with auditability and operational resilience as first-class concerns.
  
  
  

• Lead and mentor a small backend/platform team.
• Provide architectural direction and technical feedback.
• Partner with product, compliance, security, and DevOps teams.
• Participate in hiring and technical interviews.
  
  
  

• Expert backend engineering in Node.js, PHP/Laravel, Python/FastAPI.
• Deep experience with REST APIs and RDBMS systems.
• Strong grounding in clean architecture, testing, and CI/CD.
• Proven experience in regulated or fintech environments.