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Job Title: Technical Lead - Full StackJob Type: Full TimeLocation: RemoteAbout the Role:We are looking for a Technical Lead to architect, build, and scale mission-critical, public-facing APIs. This role combines deep hands-on engineering with technical leadership, architectural ownership, and mentorship.You will define backend standards, guide system design decisions, and ensure our APIs are secure, scalable, and resilient. You are expected to operate at both strategic and execution levels — setting direction while remaining technically hands-on. Key Responsibilities:Architecture & System DesignOwn end-to-end architecture of public-facing API platformsDesign scalable, multi-tenant, distributed systems with high availabilityDrive API standards: versioning, backward compatibility, documentation, and governance.Define security, rate limiting, and abuse prevention strategiesLead performance optimisation and reliability initiativesEngineering ExecutionBuild and review high-quality backend services using Python and FastAPIArchitect and optimise asynchronous systems using CeleryDesign and tune complex schemas and queries in PostgreSQLLead production readiness, observability, and incident response improvementsDrive AWS infrastructure architecture decisionsTechnical LeadershipMentor backend engineers and raise engineering standardsLead design reviews and establish coding best practicesPartner with Product, Frontend, DevOps, and Data teamsDrive the technical roadmap and manage technical debt strategicallyInfluence long-term platform scalability decisions Required Skills & Qualifications7-10 years of backend engineering experience with strong production ownershipDeep expertise in Python/Java and modern API frameworks (FastAPI preferred)Proven experience designing and scaling public-facing APIsStrong system design expertise (distributed systems, scalability, fault tolerance)Extensive experience with PostgreSQL (performance tuning, indexing, transactions)Strong experience with Celery or distributed task processing systemsHands-on experience with Redis and caching strategiesAdvanced 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 CodeExperience operating high-traffic, production-critical systemsExperience designing multi-tenant or external partner APIs Strong DifferentiatorsExperience leading backend teams in a product-driven environmentExperience designing API platforms consumed by third partiesFrontend exposure (React / Next.js / TypeScript)Experience with GraphQLExperience building developer platforms or SDKs