Barclays, Glasgow, Scotland, United Kingdom
Senior AWS Data Platform Developer
Join us as a Senior AWS Data Platform Engineer where you'll be part of a team building a sustainable data platform infrastructure to support multiple channels of our business areas. This is an exciting period in Barclays technology where many strategic programmes are re‑building our services and modernising our development practices to ensure our architecture supports our agile goals.
Accountabilities
* Development and delivery of high‑quality software solutions using industry‑aligned programming languages, frameworks, and tools. Ensuring code is scalable, maintainable, and optimised for performance.
* Cross‑functional collaboration with product managers, designers, and other engineers.
* Participation in code reviews and promotion of a culture of code quality and knowledge sharing.
* Staying informed of industry technology trends and actively contributing to the organisation’s technology communities.
* Adherence to secure coding practices to mitigate vulnerabilities and protect sensitive data.
* Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.
Key Skills & Qualifications
* Hands‑on coding experience preferably in Python.
* Hands‑on AWS development experience (Lambda, Glue, Step Functions, IAM roles, LakeFormation, EventBridge, SNS, SQS, EC2, Security Groups, CloudFormation, RDS, DynamoDB, Redshift).
* Experience building efficient data pipelines using Apache Spark and AWS services.
* Design and development of enterprise‑level software solutions using source control, build tools (e.g. Maven), TDD, Jenkins, etc.
* Working knowledge of different file formats (JSON, Iceberg, Avro).
* Knowledge of streaming services (Kafka, MSK, Kinesis, Glue Streaming, etc.).
* Big Data/Data Warehouse experience.
* Experience in the financial services domain.
* Experience mentoring other team members.
Additional Values
All colleagues will demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship, and the Barclays Mindset of Empower, Challenge and Drive.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology – Banking and Financial Services
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