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Jo Gramnæs Tjernshaugen

PROFILE

Jo Gramnæs Tjernshaugen

Worked extensively on dotkom/monoweb, delivering authentication modernization, event management features, and robust infrastructure improvements. Focused on secure user flows by integrating Auth0 and Feide authentication, enforcing authorization checks, and migrating to Prisma ORM for type-safe database access. Enhanced developer experience and deployment reliability through CI/CD automation, Docker-based environments, and Terraform-managed infrastructure. Implemented payment processing with Stripe, improved admin workflows, and refactored core dashboard architecture for maintainability. Addressed security in webkom/lego by patching group-based permissions escalation using Django. Leveraged TypeScript, React, and Node.js throughout, emphasizing clean code, maintainability, and risk reduction across backend, frontend, and DevOps domains.

Overall Statistics

Feature vs Bugs

56%Features

Repository Contributions

168Total
Bugs
55
Commits
168
Features
71
Lines of code
131,889
Activity Months9

Work History

May 2026

1 Commits

May 1, 2026

In May 2026, delivered a security-focused patch for webkom/lego by implementing group-based permissions validation to prevent privilege escalation. The fix ensures requested permissions are validated against the user's actual permissions and their group's permission hierarchy, reducing the risk of unauthorized elevation. The change is implemented as a targeted fix with a concise commit that includes a co-authored-by line for collaboration. This work strengthens security posture and supports least-privilege access controls.

April 2026

2 Commits • 1 Features

Apr 1, 2026

April 2026 monthly summary for dotkom/monoweb: Delivered a granular Google API package refactor with enhanced TypeScript configuration to improve type safety and developer experience. Implemented missing authorization checks for user procedures to enforce access control, addressing security gaps and reducing risk of unauthorized access. These changes promote safer, more maintainable code and lay groundwork for safer future refactors.

November 2025

2 Commits • 2 Features

Nov 1, 2025

November 2025: Delivered two focused improvements for dotkom/monoweb that enhance user experience and long-term stability. Key features delivered: UI simplification by removing the construction notice to streamline the interface and reduce distractions; Dependency upgrade upgrading import-in-the-middle to 1.15.0 across multiple applications to improve compatibility and stability. No major bugs fixed this period. Overall impact: cleaner UI, reduced cognitive load for users, and more resilient dependency management across the repo, enabling smoother future releases. Technologies/skills demonstrated: UI refactor and simplification, package/version management across apps, commit-driven development, cross-repo coordination, and validation through CI pipelines.

August 2025

43 Commits • 24 Features

Aug 1, 2025

August 2025 (dotkom/monoweb) delivered authentication, admin UX, and data integration improvements with a focus on security, reliability, and business value. Key changes span user-facing features, API robustness, and deployment reliability, supported by targeted performance and quality fixes.

July 2025

4 Commits • 3 Features

Jul 1, 2025

July 2025 performance summary for dotkom/monoweb: Delivered core dashboard architecture refactor and authentication route consolidation, improved stability through dependency hygiene, and UX reliability through theme transition adjustments. Implemented reliability improvements to prevent duplicate job runs. This work strengthened maintainability, reduced warnings, and delivered measurable business value.

April 2025

66 Commits • 20 Features

Apr 1, 2025

Concise monthly summary for 2025-04 highlighting business value and technical achievements. Delivered robust event capabilities and backend readiness across the monoweb project, with a focus on targeted data access, maintainability, and deployment reliability. Key improvements include targeted event querying/filtering, a second phase of event subsystem refactor, and the introduction of membership functionality, attendance API exposure, and safer event lifecycle management. Strengthened CI/CD, infrastructure reliability, and observability through GitHub Actions workflows, environment/config fixes, and linting/monitoring improvements.

March 2025

4 Commits • 4 Features

Mar 1, 2025

Monthly overview for 2025-03: Delivered four major items across dotkom/wiki and dotkom/monoweb focused on governance clarity, content quality, staging/testing workflows, and code maintainability. Key outcomes include clearer membership rules, richer job descriptions via an MDX editor, staging-ready Auth0 configuration, and a cleaned-up event attendance data model. These efforts reduce ambiguity for members, improve candidate communications, enable safer authentication testing in staging, and lay groundwork for scalable feature work.

February 2025

30 Commits • 13 Features

Feb 1, 2025

February 2025 delivered substantial stack upgrades, security enhancements, and developer-focused infrastructure improvements across dotkom/monoweb and dotkom/wiki. Key deployments stabilized the product by upgrading the core web framework, migrating the database layer, and hardening authentication, while dev infra updates improved local development and documentation.

January 2025

16 Commits • 4 Features

Jan 1, 2025

January 2025 highlights for dotkom/monoweb: Implemented authentication modernization with Feide via Auth0 and centralized user data management, enabling seamless cross-client sign-in and consistent user profiles. Stabilized attendance workflows by wiring UserServiceImpl into AttendanceService to fix a type error and enable user-related validation. Upgraded infrastructure and tooling: PostgreSQL 16 upgrade to improve performance and security, centralized migration tooling and code generation with migrator, and relocation of kysely-codegen with ID standardization to streamline deployments. Fixed TRPC host resolution across environments by aligning RPC_HOST/NEXT_PUBLIC_ORIGIN and removing hardcoded baselines. These changes collectively improve security, reliability, and deployment efficiency, accelerating delivery of features across clients.

Activity

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Quality Metrics

Correctness89.8%
Maintainability90.6%
Architecture87.4%
Performance86.4%
AI Usage23.0%

Skills & Technologies

Programming Languages

BashCSSDockerfileHCLHTMLJSONJavaScriptMarkdownPrismaPython

Technical Skills

API ConfigurationAPI DevelopmentAPI IntegrationAWSAWS ECRAWS IAMAuth0Auth0 ConfigurationAuth0 IntegrationAuthenticationBackend DevelopmentCI/CDCSSClean CodeCode Generation

Repositories Contributed To

3 repos

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

dotkom/monoweb

Jan 2025 Apr 2026
8 Months active

Languages Used

HCLJavaScriptMarkdownPythonSQLTerraformTypeScriptYAML

Technical Skills

API DevelopmentAPI IntegrationAuth0Auth0 ConfigurationAuth0 IntegrationBackend Development

dotkom/wiki

Feb 2025 Mar 2025
2 Months active

Languages Used

Markdown

Technical Skills

Documentation

webkom/lego

May 2026 May 2026
1 Month active

Languages Used

Python

Technical Skills

Djangobackend developmentpermissions management