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“Narasimha

PROFILE

“narasimha

Narasimha Yanamala engineered and maintained advanced performance testing frameworks for the govuk-one-login/performance-testing repository over a 13-month period. He developed and refined load, spike, and stress test profiles to simulate real-world authentication and identity workflows, enabling proactive capacity planning and risk mitigation. Leveraging TypeScript and JavaScript, Narasimha implemented robust test automation, data generation, and configuration management, ensuring high test coverage and reliability. His work included optimizing backend test utilities, integrating OAuth-based authentication flows, and aligning test data with evolving QA requirements. The depth of his contributions improved test realism, reduced maintenance overhead, and strengthened the repository’s production readiness.

Overall Statistics

Feature vs Bugs

82%Features

Repository Contributions

116Total
Bugs
9
Commits
116
Features
42
Lines of code
1,024,012
Activity Months13

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 focus on strengthening performance validation for identity workloads in the govuk-one-login/performance-testing repository. Delivered a new User Identity Performance Stress Testing profile to evaluate system behavior under load, enabling proactive capacity planning and resilience validation. No additional feature work documented for this period beyond the stress test profile.

March 2026

5 Commits • 4 Features

Mar 1, 2026

March 2026 performance-testing sprint: Delivered new stress test profiles across EVCS/SIS, Address Sign-Up, AIS, plus a validation data file. These changes extend peak-load coverage, enabling more accurate performance metrics and faster risk mitigation.

January 2026

10 Commits • 2 Features

Jan 1, 2026

Performance-focused month delivering end-to-end load testing capabilities for govuk-one-login/performance-testing, with peak load and spike/test profiles, consolidations, and realistic timing calibrations. Work improves testing realism, coverage of peak scenarios, and reduces maintenance through profile consolidation across backends.

December 2025

5 Commits • 1 Features

Dec 1, 2025

December 2025 performance-testing work for govuk-one-login/performance-testing focused on expanding test coverage and reliability of performance profiles across critical user journeys. Delivered Spike, Load, and Peak scenarios, updated test parameters for throughput and latency, and introduced async peak profiles for Address and ID Check to improve capacity planning and risk mitigation.

November 2025

4 Commits • 2 Features

Nov 1, 2025

November 2025 — focused on strengthening identity security and expanding performance-testing capabilities in govuk-one-login/performance-testing. Key features delivered include User Identity Security Enhancements, refining VC token signatures and related scripts to harden token generation and validation processes (commit e109510acdbdc677d6ae0513bf31e3dc7219e74c). Identity Services Testing and Deployment Enhancements, delivering improved test data, scenarios, and deployment configuration to enable more realistic performance testing (commits 9f0e3d82e97dd6e7825917d506a36d3203fa6f32; b0cc29e75929ff6d60c2927402732353929bbf9c; 8f81b7cc31d4e1bce9b66674dc9e5b10646e9a32). These changes strengthen security posture, increase test coverage, and shorten feedback cycles for capacity planning.

October 2025

5 Commits • 3 Features

Oct 1, 2025

Concise monthly summary for Oct 2025 focusing on performance-testing repository (govuk-one-login/performance-testing). Delivered enhancements to support QA and performance profiling for IPVcoreSISph2 and IPV core, while cleaning up non-essential changes to maintain code quality and release readiness.

August 2025

8 Commits • 2 Features

Aug 1, 2025

Month: 2025-08 — Performance-focused delivery for govuk-one-login/performance-testing with IPV core data provisioning. Key work centered on Iteration 6 load/testing profiles, alignment of I5 Peak configurations with Iteration 6, and seeding large-scale IPV core test data to enable realistic, repeatable performance validation across web/mobile scenarios. Resulting changes improve test realism, reproducibility, and coverage, driving faster identification of performance regressions and capacity constraints.

July 2025

4 Commits • 2 Features

Jul 1, 2025

In July 2025, delivered two new performance testing profiles for the govuk-one-login/performance-testing repo to strengthen performance validation: Iteration 5 Spike Test profile for address operations and Iteration 6 Peak Test profile covering key user journeys. Also updated test utilities and cleaned up debug logging to improve observability and maintainability. These changes enable realistic spike and peak scenarios, earlier detection of performance regressions, and clearer performance metrics for capacity planning.

June 2025

15 Commits • 2 Features

Jun 1, 2025

June 2025 performance-testing work delivered focused wallet-level optimizations and broader cross-service load testing that accelerates feedback, improves benchmark reliability, and expands coverage. Key changes include tuning the Wallet Performance Testing profile to shorten test stages and align names with wallet backend focus, and implementing Iteration 5 PeakTest/SpikeTest profiles across vc-storage, CIMIT, address, IPVR, and OLH with scenario creation and ramping adjustments to reflect real-world load.

May 2025

14 Commits • 3 Features

May 1, 2025

May 2025 performance-testing work delivered a focused set of load testing enhancements for the govuk-one-login/performance-testing repository, focusing on realistic peak and spike scenarios and authentication flow improvements. The work improves capacity verification, reduces risk of performance regressions, and enhances token-based security validation in tests.

April 2025

22 Commits • 7 Features

Apr 1, 2025

April 2025 monthly performance summary for govuk-one-login/performance-testing: Expanded and stabilized performance test data and tooling, aligned CIC scenario names with group mappings, and added comprehensive load profiles and regression support. Implemented data cleanup, script enhancements, and maintainability improvements to improve test reliability and business value through higher fidelity metrics and faster feedback loops across CIC, I3/BAV test suites, and related performance scenarios.

March 2025

19 Commits • 11 Features

Mar 1, 2025

March 2025 monthly summary for govuk-one-login/performance-testing: Delivered extensive load-profile enhancements and QA workflow improvements across IPV core, PEAK test-IPV core, DL attestation, and CRI Kiwi pipelines; enabled ID reuse data preparation; aligned fraud test timings; and introduced PERF006-IT2 profile for passport-limeCRI. These changes improve realism and coverage of performance tests, shorten QA cycles, and strengthen traceability from commits to business value.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025 performance-testing work focused on improving payload reliability and test coverage in govuk-one-login/performance-testing. Delivered two key features, addressed cleanup tasks to reduce maintenance risk, and strengthened performance testing readiness for production scenarios. No critical bugs were reported this month; outcomes emphasize business value through increased test reliability and clearer payload handling.

Activity

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Quality Metrics

Correctness88.8%
Maintainability86.8%
Architecture84.0%
Performance85.6%
AI Usage20.6%

Skills & Technologies

Programming Languages

CSVJavaScriptPythonTypeScriptYAML

Technical Skills

API IntegrationAPI TestingAPI developmentAWSAuthenticationBackend DevelopmentBackend TestingClean Code PracticesCloud DeploymentCode CleanupCode RefactoringConfigurationConfiguration ManagementData FormattingData Generation

Repositories Contributed To

1 repo

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

govuk-one-login/performance-testing

Feb 2025 Apr 2026
13 Months active

Languages Used

CSVJavaScriptTypeScriptPythonYAML

Technical Skills

API TestingData ManagementFront end developmentJavaScriptLoad TestingPerformance Testing