Principal Engineer(Python)

• Hands-on coding in modern languages (likely Python, Java, or similar).
• Applying AI/ML to improve internal workflows, reporting, and productivity.
• System design and architecture for scalable, reliable services.

Hands-on technical leader who can guide a team, own architecture, contribute code, integrate AI/automation, and deliver scalable reporting solutions while mentoring engineers and driving business impact.

Key Responsibilities

Architecture & System Design

• Own end-to-end architecture of public-facing API platforms
• Design scalable, multi-tenant, distributed systems with high availability
• Drive API standards: versioning, backward compatibility, documentation, governance
• Define security, rate limiting, and abuse prevention strategies
• Lead performance optimisation and reliability initiatives

Engineering Execution

• Build and review high-quality backend services using Python and FastAPI
• Architect and optimise asynchronous systems using Celery
• Design and tune complex schemas and queries in PostgreSQL
• Lead production readiness, observability, and incident response improvements
• Drive AWS infrastructure architecture decisions

Technical Leadership

• Mentor backend engineers and raise engineering standards
• Lead design reviews and establish coding best practices
• Partner with Product, Frontend, DevOps, and Data teams
• Drive the technical roadmap and manage technical debt strategically
• Influence long-term platform scalability decisions

Required Skills & Qualifications

• 8-16 years of backend engineering experience with strong production ownership
• Deep expertise in Python/Java and modern API frameworks (FastAPI preferred)
• Proven experience designing and scaling public-facing APIs
• Strong system design expertise (distributed systems, scalability, fault tolerance)
• Extensive experience with PostgreSQL (performance tuning, indexing, transactions)
• Strong experience with Celery or distributed task processing systems
• Hands-on experience with Redis and caching strategies
• Advanced experience with AWS (ECS/EKS, RDS, Lambda, S3, API Gateway, networking)
• Experience implementing secure API architectures (OAuth2, JWT, RBAC, WAF)
• Experience with Docker, CI/CD pipelines, and Infrastructure as Code
• Experience operating high-traffic, production-critical systems
• Experience designing multi-tenant or external partner APIs

Strong Differentiators

• Experience leading backend teams in a product-driven environment
• Experience designing API platforms consumed by third parties
• Frontend exposure (React / Next.js / TypeScript)