Role Overview
The Senior Backend Engineer designs, delivers, and supports this transport - tech customers cloud platforms, with a strong focus on high-performance PostgreSQL databases and resilient AWS-native backend systems. The role spans full lifecycle delivery, from requirements and design to implementation, testing, and ongoing support.


Key Responsibilities
Core
*PostgreSQL Architecture & Performance – Design, optimise, and maintain high-performance, reliable, and supportable PostgreSQL databases.
*Advanced SQL – Develop and refine complex, performant SQL and database objects.
*Backend Engineering – Build and enhance backend services (primarily Python), ensuring strong coding, testing, and documentation practices.
*AWS Delivery – Create and evolve solutions using RDS Aurora, Lambda, API Gateway, SNS/SQS, DynamoDB, and other serverless components.
*Reliability & Observability – Build robust, resilient systems aligned with best-practice operations.
*Infrastructure as Code – Implement automated deployments using Git, Bitbucket, and CloudFormation.
*End-to-End Delivery – Own technical delivery from discovery to production rollout and support.
Additional
*Collaborate directly with customers to translate requirements into technical solutions.
*Take ownership of components, identifying risks and opportunities for improvement.
*Work effectively across teams (frontend, operations, security).
*Maintain high engineering standards and documentation.
*Support incident investigation, root cause analysis, and preventative fixes.


Key Experience
*5+ years’ hands-on development delivering production systems.
*Deep PostgreSQL design, optimisation, and performance tuning expertise.
*Strong AWS experience, including RDS Aurora and serverless architectures.
*Proficiency in at least one backend language (preferably Python).
*Experience with Git, automated deployments, and IaC (CloudFormation).
*Collaboration across distributed/offshore teams.
*Working knowledge of frontend technologies (React is a plus).
*Proven track record across full delivery lifecycles.


Key Behaviours
*Proactive & independent, taking ownership of solutions.
*Analytical, balancing performance, reliability, and maintainability.
*Customer-focused, translating needs into effective designs.
*Clear communicator, to technical and non-technical audiences.
*Collaborative, contributing positively to team outcomes.
*Results-driven, delivering high-quality, production-ready systems.