Data Engineer

Citywire
London, UK
21 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Amazon Web Services BigQuery Cloud Computing Cloud Engineering Databases Continuous Integration Information Engineering Software Debugging Software Design Patterns Amazon DynamoDB Fault Tolerance
+11 more
PostgreSQL Linux System Administration NoSQL SQL Databases Apache Spark Backend Git Flow Apache Kafka Functional Programming Amazon Simple Queue Service (SQS) Terraform

Job description

  • Build and maintain event-driven data pipelines that power Citywire’s Catalyst platform.
  • Design resilient, fault-tolerant workflows using AWS services such as Lambda, Kinesis, SQS, DynamoDB Streams, and EventBridge.
  • Implement processors that ensure data consistency across DynamoDB, PostgreSQL (Aurora), OpenSearch, and BigQuery.
  • Modernise legacy batch processes into stream-first architectures.
  • Build and integrate APIs to enable smooth publishing and consumption of events across systems.
  • Collaborate with engineers on greenfield and existing projects, balancing speed with resilience.
  • Take ownership of key pipelines and services, ensuring reliability, performance, and scalability.
  • Share best practices and mentor others in event-driven data engineering.

Requirements

  • Technical Skills: Proven experience in data engineering or backend development, with solid Python skills and hands-on use of AWS event-driven services.
  • Event-Driven Knowledge: Understanding of DLQs, retries, buffering, idempotency, and resilient design patterns.
  • Cloud & CI/CD Experience: Familiarity with Terraform, Git-based workflows, and cloud-native deployments.
  • Database Skills: Experience with SQL and NoSQL databases such as PostgreSQL, DynamoDB, or OpenSearch.
  • Problem-Solver: Comfortable working in Linux environments and confident debugging logs, scripts, and production issues.
  • Additional Skills: Exposure to Kafka, Spark, or dbt Core, with an interest in domain-driven data contracts.

We cover - and connect - all sides of the $100 trillion global asset management industry - through our news, events and insights.

Benefits & conditions

  • Generous holiday entitlement: Start with 25 days per annum, increasing to 28 days after three years’ service, and 30 days after five years’ service, in addition to bank holidays.
  • Flexible working options.
  • £480 annual allowance for well-being activities or gym memberships, with assistance available for monthly or annual costs.
  • Eye-test and glasses allowance.
  • Critical illness cover and group life assurance from day one of employment.
  • Well-being support: Access to an independent Employee Assistance Programme, available 24/7.
  • Cycle to work scheme and annual travel card loans.
  • Techscheme: Purchase the latest tech through our employer scheme, spreading the cost over 12 months with National Insurance savings.
  • After two years of continuous service, access group income protection, private medical, and dental insurance.

Citywire is an equal opportunities employer. #J-18808-Ljbffr

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