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 . H

ands-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

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Drive API standards: versioning, backward compatibility, documentation, governance

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Define security, rate limiting, and abuse prevention strategies

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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

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Design and tune complex schemas and queries in PostgreSQL

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Lead production readiness, observability, and incident response improvements

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Drive AWS infrastructure architecture decisions Technical Leadership

• Mentor backend engineers and raise engineering standards

Lead design reviews and establish coding best practices

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Partner with Product, Frontend, DevOps, and Data teams

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Drive the technical roadmap and manage technical debt strategically

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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)

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Proven experience designing and scaling public-facing APIs

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Strong system design expertise (distributed systems, scalability, fault tolerance)

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Extensive experience with PostgreSQL (performance tuning, indexing, transactions)

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Strong experience with Celery or distributed task processing systems

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Hands-on experience with Redis and caching strategies

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Advanced experience with AWS (ECS/EKS, RDS, Lambda, S3, API Gateway, networking)

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Experience implementing secure API architectures (OAuth2, JWT, RBAC, WAF)

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Experience with Docker, CI/CD pipelines, and Infrastructure as Code

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Experience operating high-traffic, production-critical systems

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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

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Frontend exposure (React / Next.js / TypeScript)