Senior Software Engineer (Backend / Platform)

Hoxton Wealth

Key Responsibilities

• 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.

Hands-on Engineering

• 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.

Gen-AI & Engineering Excellence

• 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.

Data & Compliance

• 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.

Leadership & Influence

• 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.

Required Skills

• 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.