COS301-SE-2025/Swift-Signals
May 2025 – Sep 2025
5 Months active
Languages Used
DockerfileGoJavaScriptMarkdownNode.jsPythonSQLShell
Technical Skills
API DesignAPI TestingBackend DevelopmentCode OrganizationConfiguration ManagementDevOps
Chris
PROFILE
Chris
Christopher Xides engineered a scalable, modular backend for the COS301-SE-2025/Swift-Signals repository, focusing on robust service architecture and deployment efficiency. Over five months, he modernized the platform by introducing multi-service patterns with Go and Node.js, implementing Docker-based containerization, and automating CI/CD workflows using Makefiles and GitHub Actions. He developed and tested core features such as user and intersection management, integrated MongoDB and PostgreSQL for data storage, and established clean architecture principles to improve maintainability. His work emphasized reliable API gateway configuration, comprehensive testing, and infrastructure as code, resulting in a stable, production-ready environment with streamlined developer onboarding.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
170Total
Bugs
17
Commits
170
Features
64
Lines of code
560,137
Activity Months5
Your Network
5 people
Work History
September 2025
43 Commits • 26 Features
Sep 1, 2025September 2025 performance summary for COS301-SE-2025/Swift-Signals focused on build efficiency, environment stability, and deployment readiness. Implemented multi-stage builds across core Dockerfiles (Dockerfile.user, Dockerfile.simulation, Dockerfile.frontend, Dockerfile.chatbot) to reduce image sizes and accelerate CI feedback. Streamlined development by removing Kubernetes from the local stack and centralizing manifests with configmaps and ingress, while expanding service manifests across API gateway, user-service, intersection-service, optimisation-service, simulation-service, chatbot, and frontend. Enhanced CI/CD with Makefile-based workflows and fixed issues in protoc, Python, Go versions, and dependencies, boosting reproducibility and reliability. Expanded infrastructure and governance artifacts, including Docker Hub registry integration, replica testing configuration, and scaffolding/removal of structure to align with a new architecture.
43 Commits • 26 Features
Sep 1, 2025September 2025 performance summary for COS301-SE-2025/Swift-Signals focused on build efficiency, environment stability, and deployment readiness. Implemented multi-stage builds across core Dockerfiles (Dockerfile.user, Dockerfile.simulation, Dockerfile.frontend, Dockerfile.chatbot) to reduce image sizes and accelerate CI feedback. Streamlined development by removing Kubernetes from the local stack and centralizing manifests with configmaps and ingress, while expanding service manifests across API gateway, user-service, intersection-service, optimisation-service, simulation-service, chatbot, and frontend. Enhanced CI/CD with Makefile-based workflows and fixed issues in protoc, Python, Go versions, and dependencies, boosting reproducibility and reliability. Expanded infrastructure and governance artifacts, including Docker Hub registry integration, replica testing configuration, and scaffolding/removal of structure to align with a new architecture.
September 2025
August 2025
48 Commits • 12 Features
Aug 1, 2025Monthly Summary for 2025-08 (COS301-SE-2025/Swift-Signals) This month delivered a robust User and Intersection service stack, strengthened data integrity, and improved CI/CD reliability, aligning with business goals of robust identity management, scalable relationships (intersections), and faster, safer deployments. Key features delivered: - User Service DB Layer: full CRUD (CreateUser, GetUserByID, GetUserByEmail, UpdateUser, DeleteUser, ListUsers) with tests, enabling reliable user data management at scale. - User Service DB Layer - Intersections support: AddIntersectionID and GetIntersectionsByID implemented and tested, enabling relationship tracking between users and intersections. - Core User Service operations: Implemented and tested core service operations (UpdateUser, GetUserIntersectionIDs, AddIntersectionID, RemoveIntersectionIDs, ChangePassword) to support lifecycle management and security. - Logout feature: Implemented and tested LogoutUser in the user-service Service layer for secure session termination. - Admin Privilege Management: Implemented and tested MakeAdmin and RemoveAdmin to manage user admin privileges. - Config and data model improvements: Use UUIDs for IDs and rename postres_schema to schema for consistency and portability. - Intersection-Service enhancements: Core structural alignment with the user-service, DB layer implementation, and integration testing; bug fixes in enum conversions and test structure. - Testing and quality: Added tests for HandleDatabaseError(), ensured handler/service tests comply with golangci-lint; ongoing lint fixes across the batch. - CI/CD tooling and workflow improvements: Added makefile for local/dependency management, workflow tooling for mocks and builds, recursive mockery usage, and tidy steps to stabilize Go modules; improved CI reliability and reduced manual toil. Overall impact and accomplishments: - Significantly improved data integrity, security, and maintainability of user and intersection features. - Reduced deployment risk and toil through automated mocks, linting, and Go module hygiene. - Enhanced test coverage (unit, integration) and consistent service interfaces across user and intersection services. - Established a scalable foundation for onboarding new features (password reset groundwork, admin workflows, and intersection relationships). Technologies and skills demonstrated: - Go (Golang), SQL/DB layer patterns, UUID-based IDs, and schema evolution. - Testing: unit tests, integration tests, and lint-compliant test suites; HandleDatabaseError tests. - CI/CD: Makefiles, GitHub Actions workflows, mock generation (Mockery), golangci-lint, and workflow reliability improvements. - Cross-service design and refactoring: aligning intersection-service with user-service structure, including common service layer patterns and error handling. Representative commits touched this work included CRUD and intersection DB work, Logout and admin service features, lint and CI improvements, and CI tooling updates.
August 2025
48 Commits • 12 Features
Aug 1, 2025Monthly Summary for 2025-08 (COS301-SE-2025/Swift-Signals) This month delivered a robust User and Intersection service stack, strengthened data integrity, and improved CI/CD reliability, aligning with business goals of robust identity management, scalable relationships (intersections), and faster, safer deployments. Key features delivered: - User Service DB Layer: full CRUD (CreateUser, GetUserByID, GetUserByEmail, UpdateUser, DeleteUser, ListUsers) with tests, enabling reliable user data management at scale. - User Service DB Layer - Intersections support: AddIntersectionID and GetIntersectionsByID implemented and tested, enabling relationship tracking between users and intersections. - Core User Service operations: Implemented and tested core service operations (UpdateUser, GetUserIntersectionIDs, AddIntersectionID, RemoveIntersectionIDs, ChangePassword) to support lifecycle management and security. - Logout feature: Implemented and tested LogoutUser in the user-service Service layer for secure session termination. - Admin Privilege Management: Implemented and tested MakeAdmin and RemoveAdmin to manage user admin privileges. - Config and data model improvements: Use UUIDs for IDs and rename postres_schema to schema for consistency and portability. - Intersection-Service enhancements: Core structural alignment with the user-service, DB layer implementation, and integration testing; bug fixes in enum conversions and test structure. - Testing and quality: Added tests for HandleDatabaseError(), ensured handler/service tests comply with golangci-lint; ongoing lint fixes across the batch. - CI/CD tooling and workflow improvements: Added makefile for local/dependency management, workflow tooling for mocks and builds, recursive mockery usage, and tidy steps to stabilize Go modules; improved CI reliability and reduced manual toil. Overall impact and accomplishments: - Significantly improved data integrity, security, and maintainability of user and intersection features. - Reduced deployment risk and toil through automated mocks, linting, and Go module hygiene. - Enhanced test coverage (unit, integration) and consistent service interfaces across user and intersection services. - Established a scalable foundation for onboarding new features (password reset groundwork, admin workflows, and intersection relationships). Technologies and skills demonstrated: - Go (Golang), SQL/DB layer patterns, UUID-based IDs, and schema evolution. - Testing: unit tests, integration tests, and lint-compliant test suites; HandleDatabaseError tests. - CI/CD: Makefiles, GitHub Actions workflows, mock generation (Mockery), golangci-lint, and workflow reliability improvements. - Cross-service design and refactoring: aligning intersection-service with user-service structure, including common service layer patterns and error handling. Representative commits touched this work included CRUD and intersection DB work, Logout and admin service features, lint and CI improvements, and CI tooling updates.
July 2025
39 Commits • 16 Features
Jul 1, 2025In July 2025, the Swift-Signals project advanced significantly in containerization, architecture, testing, and developer experience, delivering a consistent local/dev parity, robust error handling, and a stronger testing foundation that reduces risk in production deployments.
39 Commits • 16 Features
Jul 1, 2025In July 2025, the Swift-Signals project advanced significantly in containerization, architecture, testing, and developer experience, delivering a consistent local/dev parity, robust error handling, and a stronger testing foundation that reduces risk in production deployments.
July 2025
June 2025
32 Commits • 8 Features
Jun 1, 2025June 2025 performance summary for COS301-SE-2025/Swift-Signals focused on establishing robust data interfaces, service automation, and scalable storage for future growth. Key work standardized user data handling via User-Server and User-Database Interfaces with proto/timestamp updates, and laid a solid foundation for user data workflows. Intersection service capabilities were expanded with a full core, client/server, GetIntersection logic, and comprehensive unit/integration tests, along with an updated intersection DB interface. A MongoDB-backed Intersections repository was implemented and wired to the server, enabling scalable storage and reliable access patterns. The Simulation Service client was added with working codegen for simulation.proto, including generated Go code and client integration. Finally, project scaffolding, tooling hygiene, and documentation were improved to support faster onboarding, cleaner builds, and clearer usage guidance.
June 2025
32 Commits • 8 Features
Jun 1, 2025June 2025 performance summary for COS301-SE-2025/Swift-Signals focused on establishing robust data interfaces, service automation, and scalable storage for future growth. Key work standardized user data handling via User-Server and User-Database Interfaces with proto/timestamp updates, and laid a solid foundation for user data workflows. Intersection service capabilities were expanded with a full core, client/server, GetIntersection logic, and comprehensive unit/integration tests, along with an updated intersection DB interface. A MongoDB-backed Intersections repository was implemented and wired to the server, enabling scalable storage and reliable access patterns. The Simulation Service client was added with working codegen for simulation.proto, including generated Go code and client integration. Finally, project scaffolding, tooling hygiene, and documentation were improved to support faster onboarding, cleaner builds, and clearer usage guidance.
May 2025
8 Commits • 2 Features
May 1, 2025Monthly summary for COS301-SE-2025/Swift-Signals - 2025-05. Focused on delivering business value through backend modernization, reliability improvements, and maintainability gains, while laying the groundwork for scalable future growth.
8 Commits • 2 Features
May 1, 2025Monthly summary for COS301-SE-2025/Swift-Signals - 2025-05. Focused on delivering business value through backend modernization, reliability improvements, and maintainability gains, while laying the groundwork for scalable future growth.
May 2025
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Quality Metrics
Correctness90.4%
Maintainability91.6%
Architecture86.4%
Performance82.8%
AI Usage21.0%
Skills & Technologies
Programming Languages
BashCSSDockerfileEnvGoJSONJavaScriptMakefileMarkdownNginx configuration
Technical Skills
API Client DevelopmentAPI DesignAPI DevelopmentAPI GatewayAPI Gateway ConfigurationAPI IntegrationAPI TestingBackend DevelopmentBuild AutomationBuild ConfigurationBuild EngineeringBuild Process ManagementBuild ToolsCI/CDClean Architecture
Repositories Contributed To
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