Chetwood Financial Ltd

Chetwood Financial Ltd — Senior AWS Developer (Contract)

Chetwood Financial Limited — Senior AWS Developer (Contract)

About the company

Chetwood FinancialChetwood Financial is a digital-only bank and lender in the UK, offering savings and lending products with a focus on technology-driven underwriting and customer experience. The company builds its own platforms and uses serverless AWS solutions to run quote, application, and credit-check journeys at scale.

I served as a Senior AWS Developer on contract at Chetwood Financial Limited. The main focus was building a credit card application system using serverless technologies on AWS. I architected and developed a serverless journey management system that orchestrated quote, application, and credit/fraud checks for the UK consumer market, with integrations to key third-party providers.

Role Location Period
Senior AWS Developer Wrexham, Wales, United Kingdom Sep 2020 – Apr 2021

Key responsibilities and achievements

  • Architecture — Designed and built a complex serverless journey that managed quote, application, and credit/fraud checks for the UK consumer market.
  • AWS serverless — Used Lambda, Step Functions, API Gateway, DynamoDB, and SSM for scalable, event-driven workflows.
  • Python — Python 3.8 with boto3 to automate and streamline processes across the credit card application flow.
  • Third-party integration — Integrated Comply Advantage, Onfido, Experian, and Equifax for compliance, identity, and credit data.
  • Quality — Followed test-driven development (TDD) for reliability and maintainability.

Delivering a serverless credit card application system and journey management that connected AWS services with leading compliance and credit bureaux, built with TDD and clear architecture.

Technologies

Area Technologies
AWS Lambda, Step Functions, API Gateway, DynamoDB, SSM
Language Python 3.8, boto3
Third-party Comply Advantage, Onfido, Experian, Equifax
Practices Test-driven development

References

    Posts

    References

      Posts