EXCEEDS logo
Exceeds
BartBiernat

PROFILE

Bartbiernat

Worked on the govuk-one-login/data-analytics-platform repository, delivering features and stability improvements over a two-month period. Focused on modernizing AWS Lambda functions by migrating to Node.js 24 and adopting ECMAScript modules, updating build outputs to .mjs, and integrating Vitest for enhanced testing reliability. Addressed post-migration stability by updating dependencies and refining build configurations, ensuring robust serverless analytics workloads. Additionally, standardized CI/CD pipeline environment naming from 'staging' to 'stg' to improve deployment clarity and reduce risk. Demonstrated expertise in TypeScript, AWS Lambda, and build automation, with a methodical approach to infrastructure as code and deployment process governance.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

8Total
Bugs
1
Commits
8
Features
2
Lines of code
28,402
Activity Months2

Work History

June 2026

3 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary focusing on key accomplishments for the govuk-one-login/data-analytics-platform. The primary delivery this month was pipeline naming standardization, replacing 'staging' references with 'stg' across CI/CD pipeline role references to improve clarity and consistency in deployment processes. This aligns environment naming with the team's conventions and reduces risk of mis-deployments. The work was tracked under DPT-3020 with explicit commits to rename environment references across pipeline configurations. No major bugs were reported or fixed this month, with changes kept isolated to configuration and naming conventions to minimize risk.

May 2026

5 Commits • 1 Features

May 1, 2026

May 2026 monthly summary for govuk-one-login/data-analytics-platform: Key feature delivery and bug fixes focused on Lambda runtime modernization and stability improvements. Features delivered include migrating AWS Lambda to ES modules and Node.js 24, updating build outputs to .mjs, and integrating Vitest for testing. Major bugs fixed include stabilizing Lambda execution after ES module migration by updating dependencies and adjusting build configurations. Overall impact: improved reliability and maintainability of serverless analytics workloads, faster feedback loops through testing, and future-proofing for Node.js 24+. Technologies demonstrated: Node.js 24, ECMAScript modules, Vitest, AWS Lambda, and build/dependency management.

Activity

Loading activity data...

Quality Metrics

Correctness92.6%
Maintainability90.0%
Architecture92.6%
Performance90.0%
AI Usage30.0%

Skills & Technologies

Programming Languages

JavaScriptShellTypeScriptYAMLbash

Technical Skills

AWSAWS LambdaBuild AutomationCI/CDDependency ManagementDevOpsESMInfrastructure as CodeNode.jsTestingTypeScriptbackend developmentbuild automationscripting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

govuk-one-login/data-analytics-platform

May 2026 Jun 2026
2 Months active

Languages Used

JavaScriptShellTypeScriptYAMLbash

Technical Skills

AWS LambdaBuild AutomationCI/CDDependency ManagementESMNode.js