Tech Lead - Backend Engineering - Python/FastAPI

Key Responsibilities

• Lead technical design for scalable backend services, RESTful APIs, and event-driven microservices using Python and FastAPI.
• Own service architecture, API contracts, database models, integration patterns, and non-functional requirements such as reliability, scalability, latency, security, and observability.
• Review technical designs, pull requests, database changes, and operational plans for correctness, maintainability, performance, security, and production readiness.
• Guide the team in building robust Postgres-backed systems, including schema design, query optimization, indexing strategy, transactions, and data integrity practices.
• Drive cloud-native and serverless implementation on AWS, including Lambda functions, S3-based workflows, SQS queues, IAM-aware integrations, and event-driven architecture.
• Take ownership of assigned services across the full lifecycle, including design, delivery, deployment, monitoring, incident response, reliability improvements, and technical debt management.
• Mentor backend engineers through design discussions, code reviews, pairing, feedback, knowledge sharing, and guidance on engineering best practices.
• Set and uphold engineering standards for clean Python code, testability, documentation, security, observability, and operational excellence.
• Troubleshoot complex production issues across APIs, Postgres queries, queues, Lambda executions, S3 workflows, and service-to-service integrations.
• Collaborate with product managers, QA, DevOps, data, and frontend engineers to convert ambiguous requirements into practical delivery plans and resilient technical solutions.

Must-have Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

Relevant Experience

• 4 - 6 years of professional backend engineering experience, including experience leading technical design, reviewing work, and owning production services.

Tech Stack

• Python, FastAPI, Postgres, AWS (Lambda, S3, SQS), Microservices Architecture.

Mentorship And Leadership

• Must have experience mentoring engineers, providing constructive code and design feedback, improving team practices, and helping developers grow technically.

Collaboration And Ownership

• Ability to work effectively with cross-functional teams, communicate technical tradeoffs clearly, and own backend systems through delivery, production support, and continuous improvement.

(ref:hirist.tech)