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Magnus Tønnessen

PROFILE

Magnus Tønnessen

Magnus Tønnessen developed and maintained complex backend features for the navikt/familie-ba-sak and navikt/familie-baks-mottak repositories, focusing on automation, data integrity, and payment processing. He engineered robust workflows for benefit calculations, address-driven event handling, and automated application registration, leveraging Kotlin, Java, and Spring Boot. His work included integrating with external systems like PDL, optimizing timeline and task orchestration, and implementing feature toggles for controlled rollouts. By refactoring legacy code, standardizing data models, and enhancing validation logic, Magnus improved maintainability and reliability. His solutions addressed real-world edge cases, reduced manual intervention, and enabled scalable, policy-compliant financial operations.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

109Total
Bugs
20
Commits
109
Features
41
Lines of code
30,265
Activity Months13

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

Monthly summary for 2025-10 for repo navikt/familie-baks-mottak: Delivered an optimization feature for address event processing in Ba-Sak, refactoring the handling to prevent unnecessary task creation for irrelevant address changes. Introduced new tasks to trigger specific treatments in Ba-Sak for relevant address events and updated existing tasks to create new ones only when conditions are met. Ensured that tasks created for these events do not incur hourly charges in production and included necessary test fixes. Result: improved processing efficiency, reduced production costs, and more predictable task orchestration.

September 2025

2 Commits • 1 Features

Sep 1, 2025

Month: 2025-09 Concise monthly summary focusing on the navikt/familie-baks-mottak repository: Key features delivered: - Address event handling enhancements in PDL integration for supplements. Specifically, implemented reactive processing for address-related events: KORRIGERT (corrected) address events to create or update FinnmarkstilleggTask with accurate status/payload, and processing oppholdsadresse (residence address) events to evaluate Svalbard supplements by creating a dedicated task and updating PDL fetch logic. Major bugs fixed: - No major bugs reported/closed this month in the provided data. Overall impact and accomplishments: - Improved data integrity and downstream task orchestration for supplements processing by aligning event handling with business rules and ensuring tasks reflect correct status and payloads. - Reduced latency/ambiguity in PDL data handling by refining fetch logic around address events and associated task creation. Technologies/skills demonstrated: - Java/Kotlin-like event-driven integration patterns, PDL event processing, task orchestration, data consistency checks, and system observability around commit-driven changes. Top 3-5 achievements: - Implemented address event handling for KORRIGERT type in PDL integration to create/update FinnmarkstilleggTask with correct status/payload (commit 35687c51e0456c2d9e312366ed9ecc43430b2ba4). - Added listener for oppholdsadresse events to assess Svalbardtillegg by creating a dedicated task and updating PDL fetch logic (commit c368dd0f423c159b720471339f4db04ce58017d2). - Strengthened end-to-end task flow reliability for supplements processing through these event-handling enhancements.

August 2025

30 Commits • 11 Features

Aug 1, 2025

August 2025 monthly summary: Delivered end-to-end Finnmarkstillegg automation and related data enhancements across two repositories, focused on increasing payment accuracy, reducing manual effort, and improving reliability. Key features include automatic Finnmarkstillegg processing triggered by address events, inclusion of Finnmarkstillegg in total payable amount, and assignment of the processing unit; Cucumber test support for autovedtak; address data access improvements from PDL via bulk retrieval; and new workflows to derive avregningsperioder from the latest approved treatment and to re-run monthly valutajustering when the FATTER_VEDTAK status is reached. Additional workflow improvements cover Finnmark/Nord-Troms/Svalbard data gathering, logging enhancements, and task lifecycle refinements. A retry endpoint for failed tasks was introduced to improve resilience, while performance and data quality were boosted by removing unnecessary ORDER BY in ident queries and by robust DTO handling and PDL field mappings. The work also advances TSO theming readiness and dependency updates for broader contract compatibility.

July 2025

5 Commits • 4 Features

Jul 1, 2025

July 2025 was focused on strengthening automation, data integrity, and governance in navikt/familie-ba-sak. Delivered four core features, improved case-worker workflows, and introduced toggles and standardized date handling to support business processes across deployments.

June 2025

26 Commits • 9 Features

Jun 1, 2025

June 2025 monthly summary for navikt/familie-ba-sak: Delivered targeted features and robust fixes to strengthen payout processing, improve automation, and enhance compliance. Focused on validating currency during adjustments, expanding endret utbetaling capabilities, automating application registration with address protection handling, refining motregning rules, and improving end-date logic. Resulted in higher data integrity, reduced manual validations, and improved handling of complex cases across national and EOS contexts.

May 2025

9 Commits • 2 Features

May 1, 2025

Month: 2025-05 Concise monthly summary for navikt/familie-ba-sak focusing on business value and technical achievements: Key features delivered: - TilbakekrevingsvedtakMotregning flow enhancements: validated input before letter generation, added a flag to reclaim the entire amount, automated PDF generation, improved logging for unwritten set-offs, and reset the process when the flag changes. This work enables faster, more accurate repayment decisions and reduces manual follow-ups. Commits implemented: 0ae34735176a5bcf36bc4093e3b0ecf43ec0f8b9; 4467cf3f5cf52a5632c7b924369121e74df36585; b521adf28c4607d9c035ea5e2a406d6f558fcebd; cb56a556ce84c6150e5315249f6fcc508dc01bc8; 5d9ce2eae5c40df87f7ebc358af53d8eac73619e. - Automatic application registration workflow: automatically register applications by fetching data from familie-integrasjoner and creating RestRegistrerSøknad objects, with graceful fallback to manual registration if not found. Commit: 327705c4cb82ef774e7248a4c863071118632cf5. - Difference calculation for child benefits corrected and error handling improved: fixed bug in difference calculation when there is an extended share with country payout differences; added field to store the original Norwegian amount; improved user guidance through error messages. Commits: bc3e2b9388f244757e9cbc34c1820b38d54593ea; 46a664ebd9652808e1854b76ac48fa6124e435bd. - Code cleanup: removal of avregning feature toggle: removed obsolete avregning-related code and the VALIDER_IKKE_AVREGNING toggle to simplify the codebase. Commit: 89264979d0b5e72191c74f38c89be6992a3ec777. Major bugs fixed: - Difference calculation for child benefits corrected and error handling improved: addressed logic errors for extended shares with country payout differences; added recovery path with clearer guidance. - Code cleanup: removal of avregning feature toggle to prevent dead code paths and reduce maintenance risk. Overall impact and accomplishments: - Business value: Faster, more reliable repayment decision workflows; reduced manual touchpoints; improved user guidance and fewer support escalations; streamlined codebase for easier maintenance and faster onboarding of new features. - Technical achievements: Implemented robust input validation, automatic PDF generation, improved logging and state reset logic, automated application registration from external integrations, and codebase cleanup removing obsolete toggles. Technologies/skills demonstrated: - Backend service development, validation patterns, PDF generation automation, enhanced logging, integration with external services (familie-integrasjoner), and codebase maintenance via feature-toggle cleanup.

April 2025

4 Commits • 3 Features

Apr 1, 2025

April 2025 monthly summary for navikt/familie-ba-sak. Focused on lifecycle enhancements for recovery decisions, improved letter generation with free text handling, and updated waiting period logic for unwritten set-off. No major bugs fixed this month; changes yield faster recovery processing and more accurate consent handling, with updated tests to ensure stability.

March 2025

7 Commits • 4 Features

Mar 1, 2025

Monthly summary for 2025-03 for navikt/familie-ba-sak focusing on feature delivery, system standardization, and performance improvements. Delivered cross-module standardization of the timeline handling by migrating to the shared familie-felles timeline library, including removal of the internal implementation and updates to imports, APIs, and tests. Introduced a feature toggle for unwritten set-off (ulovfestet motregning) with a new hold reason AVVVENTER_SAMTYKKE_ULOVFESTET_MOTREGNING, enabling controlled rollout and gating validation. Added Modia context active user endpoint to set the active Modia user from a BA case via familie-integrasjoner, expanding integration capabilities. Implemented Settlement period calculation service (AvregningService) to compute settlement periods by comparing changes in benefit shares across treatments, integrated into the simulation step to optimize data retrieval and calculation frequency. Removed legacy timeline library as part of standardization across the module. Business value and impact: - Standardized timeline handling reduces maintenance, improves test reliability, and enables faster onboarding of new modules. - Feature toggles and hold reasons improve risk management and rollout control for complex policy features. - Modia context active user support enhances cross-system consistency and user context accuracy in Modia integrations. - Settlement period calculation service optimizes simulation workflows, reducing redundant data fetches and speeding up settlement calculations. Note on bugs: No major bugs reported this month; minor fixes focused on aligning imports, tests, and API usage with the new timeline library.

February 2025

10 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for navikt/familie-ba-sak. Focused on standardizing timeline handling by migrating to the shared familie-felles timeline library across ba-sak and related modules, plus resolving a critical edge-case in timeline generation for empty periods. Highlights include extensive library migration across modules, test updates, and a targeted bug fix that prevents crashes when periods list is empty. The changes deliver business value by reducing code duplication, improving reliability and maintainability, and enabling faster feature delivery through a shared foundation.

January 2025

6 Commits • 2 Features

Jan 1, 2025

January 2025: Focused on stabilizing data timelines and currency handling, delivering KA-vedtak enhancements with improved merge-field templating, and refactoring test data utilities to boost maintainability. These changes improve data integrity, form reliability, and development velocity.

December 2024

1 Commits • 1 Features

Dec 1, 2024

Monthly summary for 2024-12 focusing on the navikt/familie-ba-sak repository. Delivered a new treatment reason IVERKSETTE_KA_VEDTAK with a matching letter template UTBETALING_ETTER_KA_VEDTAK, guarded by a feature toggle to control creation of new treatments with this reason, and added documentation generation support for this scenario. All changes are traceable to the commit that introduced the change.

November 2024

6 Commits • 1 Features

Nov 1, 2024

November 2024 focused on ensuring data integrity for currency processing, stabilizing tests around monthly changes, and reducing maintenance debt in navikt/familie-ba-sak. Key work included an initial currency rate management lifecycle (endpoint and task) and subsequent removal after redesign, with safeguards to ensure future-dated rates do not affect current data. Unit-test stabilization was achieved for RestartAvSmåbarnstillegg with month-aware adjustments (underkategori corrected and begrunnelser limited to 5). Cleanup included removing an unused feature toggle (etterbetaling 3 måneder) and a naming consistency fix for MånedligValutajusteringService across the codebase. These efforts improve payment accuracy, reduce risk from stale data, and simplify future monthly adaptations. Technologies and skills demonstrated include end-to-end feature lifecycle management, data governance and validation, test reliability, configuration management, and targeted refactoring.

October 2024

2 Commits • 1 Features

Oct 1, 2024

Monthly summary for 2024-10 highlighting delivery across two repos, focusing on user-facing input flexibility and robustness of monthly processing workflows. The work delivered improves usability, reduces errors, and strengthens the foundation for reliable monthly operations across the product lines.

Activity

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Quality Metrics

Correctness90.8%
Maintainability89.4%
Architecture87.4%
Performance82.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

GherkinGraphQLJavaKotlinSQLTypeScript

Technical Skills

API DevelopmentAPI IntegrationAutomated CalculationsAutomated ProcessingBackend DevelopmentBenefit CalculationBug FixingCode CleanupCode MaintenanceCode MigrationCode OrganizationCode RefactoringCode StandardizationConditional LogicCucumber

Repositories Contributed To

3 repos

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

navikt/familie-ba-sak

Oct 2024 Aug 2025
11 Months active

Languages Used

JavaKotlinGherkinSQLGraphQL

Technical Skills

Backend DevelopmentJavaKotlinSystem DesignAPI DevelopmentCode Maintenance

navikt/familie-baks-mottak

Aug 2025 Oct 2025
3 Months active

Languages Used

GraphQLKotlinJava

Technical Skills

API IntegrationBackend DevelopmentError HandlingEvent HandlingKotlinTask Management

navikt/aksel

Oct 2024 Oct 2024
1 Month active

Languages Used

TypeScript

Technical Skills

Front-end DevelopmentTypeScript

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