Alastair Brown

Available to hire

I'm Alastair Brown, a software developer with 20+ years of experience delivering robust, secure web applications across consultancy, financial services, and diverse industries.

About

I’m Alastair Brown, a software developer with 20+ years of experience delivering robust, secure web applications across consultancy, financial services, and diverse industries. I thrive in dynamic environments where quality, security, and teamwork drive success, and I enjoy turning complex business requirements into robust, maintainable technical solutions.\n\nI’ve led and contributed to Agile transformations, designed scalable microservices in Java/Kotlin on AWS, and built systems spanning API backends, cloud services, and integrated features such as chat and CMS. I value secure coding, test-driven development, and collaboration across distributed onshore and offshore teams to deliver high-quality software.

  • Joined November 2025

Languages

  • EnglishFluent

Industry experience

  • Financial Services
  • Software & Internet
  • Professional Services
  • Retail

More experts in London, United Kingdom

Work experience

Java Consultant · Ensono LtdJun 2025 – Jun 2025 · 1 mo

Feb 2023 - Jun 2025: Migrated Java-based Lambda functions to Python for Screwfix Trade Counter replenishment ETL process, utilising AWS Lambda and S3. Core contributor to Screwfix FusionX project, decomposing legacy monolithic eCommerce architecture into scalable event-driven Kotlin/Spring Boot microservices deployed on AWS EKS utilising Kafka. Delivered Payments and Basket Backend-for-Frontend (BFF) services.

Senior Analyst Programmer · Barclays BankDec 2022 – Dec 2022 · 1 mo

2002 – December 2022: Developed serverless search service for Barclays mobile banking application using AWS Serverless, Kendra and Adobe Experience Manager CMS. Worked in a team to deliver secure customer chat in Barclays mobile banking application using AWS Serverless and AWS Contact centre. Developed search service for internal staff knowledge base using Java/Spring Boot REST API, AWS Kendra. Federated authentication for Government digital services, Branch Finder capabilities, CMS for Barclays group website, configurable application forms, and back-office risk & compliance applications across Waterfall and Agile environments; contributed to PoCs and proof-of-concept systems.

Education

BTEC OND Computer Science · Newbury College1990 – 1992
GCSE · Turnpike School1985 – 1990

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