3 of 3 Part-Time Observability Jobs in the City of London

hosted on AWS. Architect and optimise systems: Define service boundaries, data ownership, and failure-recovery patterns for scalable, high-availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems: Monitor performance, reliability, and cost efficiency. Lead incident response and drive continuous improvement. … Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker, Terraform, GitHub Actions, CloudFormation Monitoring & Observability: Prometheus, Grafana, OpenTelemetry Testing: Pytest, integration and load testing frameworks Key Skills & Expertise Proven experience designing and delivering production systems using Python on AWS . Strong understanding of distributed systems … API design, and event-driven architectures. Deep knowledge of system observability, logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors More ❯

protection adherence. Oversee fraud prevention, risk management, and transaction monitoring in the technology flows. Partner with compliance teams to proactively address regulatory changes. Operational Excellence Define SLA/SLOs, observability standards, and monitoring practices. Drive resilience planning, failover, and incident response readiness. Manage technology budgets, infrastructure capacity planning, and cost efficiency. Product & Business Alignment Partner with product and business leaders More ❯

at Tier 1 banks. We're looking for a Principal Platform Engineer to drive the infrastructure behind mission-critical systems: think active-active, five-nines uptime, and real-time observability at global scale. What You'll Do: Own platform architecture for our next-gen ledger infrastructure Scale multi-region Kubernetes environments across cloud & on-prem Harden distributed systems (Kafka, Redis … CockroachDB) for global banking workloads Lead our AI-powered SRE approach: observability, remediation, and auto-response Enforce zero-trust, multi-tenant security and compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem More ❯