juspay/connector-service
May 2025 – Oct 2025
5 Months active
Languages Used
RustTOMLProtoProtobufprotobufBashProtocol BuffersYAML
Technical Skills
API DevelopmentError HandlingRustgRPCAPI IntegrationBackend Development
Debarshi Gupta
PROFILE
Debarshi Gupta
Debarshi Gupta contributed to the juspay/connector-service repository by building robust backend features focused on data security, error handling, and integration reliability. He implemented a comprehensive gRPC error handling framework in Rust, standardizing error propagation and improving client experience. Debarshi enhanced payment data privacy by introducing secure types like SecretString and evolving Protobuf schemas to mask sensitive information in logs. He improved build stability through dependency management and centralized Protobuf compilation, and established a CI testing workflow using Nextest and GitHub Actions. His work demonstrated depth in Rust programming, backend development, and secure API design, resulting in a more maintainable, compliant system.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
12Total
Bugs
2
Commits
12
Features
8
Lines of code
3,138
Activity Months5
Your Network
108 people
Work History
October 2025
2 Commits • 2 Features
Oct 1, 2025Monthly summary for 2025-10: Focused on delivering reliable testing infrastructure and hardening data handling for the connector-service repository. Key work included a new CI Testing Workflow with Nextest and the introduction of a secure data type for raw connector messages (SecretString).
2 Commits • 2 Features
Oct 1, 2025Monthly summary for 2025-10: Focused on delivering reliable testing infrastructure and hardening data handling for the connector-service repository. Key work included a new CI Testing Workflow with Nextest and the introduction of a secure data type for raw connector messages (SecretString).
October 2025
September 2025
2 Commits • 2 Features
Sep 1, 2025September 2025: Delivered two high-value features in juspay/connector-service focused on build reliability and data privacy, delivering clear business value around stability and compliance. Implemented a centralized GRPC Protobuf build process using g2h's compile_protos_with_config() and pinned the dependency to a specific Git revision to ensure deterministic builds, unifying string enum support and descriptor set generation. Introduced SecretString type for first_name and last_name in the address structure to treat these as sensitive data, enhancing privacy across the system. No major bugs reported this month; the focus was on maintainability, security, and predictable release cycles. Technologies demonstrated include gRPC, Protobuf, dependency management, and secure data handling.
September 2025
2 Commits • 2 Features
Sep 1, 2025September 2025: Delivered two high-value features in juspay/connector-service focused on build reliability and data privacy, delivering clear business value around stability and compliance. Implemented a centralized GRPC Protobuf build process using g2h's compile_protos_with_config() and pinned the dependency to a specific Git revision to ensure deterministic builds, unifying string enum support and descriptor set generation. Introduced SecretString type for first_name and last_name in the address structure to treat these as sensitive data, enhancing privacy across the system. No major bugs reported this month; the focus was on maintainability, security, and predictable release cycles. Technologies demonstrated include gRPC, Protobuf, dependency management, and secure data handling.
August 2025
5 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for juspay/connector-service focused on feature delivery, data security, and codebase modernization. Delivered the Mifinity payment gateway connector with authorization, synchronization, wallet payment support, and configuration setup, enabling merchants to onboard Mifinity with minimal effort. Strengthened payment data handling by evolving protobuf schemas and logging practices: added CardNumberType to protobuf, introduced SecretString for sensitive fields, and implemented masked logging to prevent leakage of sensitive data. Completed a codebase naming refactor to UCS_* conventions and renamed core crates, simplifying internal dependencies and improving maintainability. Overall impact includes faster gateway onboarding, improved data privacy and compliance, and a more scalable, secure foundation for future payment integrations.
5 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for juspay/connector-service focused on feature delivery, data security, and codebase modernization. Delivered the Mifinity payment gateway connector with authorization, synchronization, wallet payment support, and configuration setup, enabling merchants to onboard Mifinity with minimal effort. Strengthened payment data handling by evolving protobuf schemas and logging practices: added CardNumberType to protobuf, introduced SecretString for sensitive fields, and implemented masked logging to prevent leakage of sensitive data. Completed a codebase naming refactor to UCS_* conventions and renamed core crates, simplifying internal dependencies and improving maintainability. Overall impact includes faster gateway onboarding, improved data privacy and compliance, and a more scalable, secure foundation for future payment integrations.
August 2025
June 2025
2 Commits
Jun 1, 2025June 2025 monthly summary for juspay/connector-service focused on stability improvements and integration compatibility. Highlights include two key fixes: Adyen Connector error handling fix ensuring failed attempts set status 'Failure' improving error reporting and transaction reconciliation; and Hyperswitch integration compatibility achieved by downgrading the Cargo resolver, aligning dependencies and reducing build issues. These changes improve reliability of transaction lifecycles, reduce manual triage, and stabilize CI/CD for the connector service. Technologies demonstrated include Rust, Cargo dependency management, error handling patterns, and integration testing.
June 2025
2 Commits
Jun 1, 2025June 2025 monthly summary for juspay/connector-service focused on stability improvements and integration compatibility. Highlights include two key fixes: Adyen Connector error handling fix ensuring failed attempts set status 'Failure' improving error reporting and transaction reconciliation; and Hyperswitch integration compatibility achieved by downgrading the Cargo resolver, aligning dependencies and reducing build issues. These changes improve reliability of transaction lifecycles, reduce manual triage, and stabilize CI/CD for the connector service. Technologies demonstrated include Rust, Cargo dependency management, error handling patterns, and integration testing.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for juspay/connector-service: Delivered a robust gRPC API error handling framework that standardizes error propagation and converts internal errors into appropriate gRPC statuses, improving reliability and client experience. The work focuses on business value by reducing client-side ambiguity, accelerating incident resolution, and laying groundwork for future instrumentation. It introduces a trait-based error design and implementations to switch between error contexts, enabling consistent error reporting across the service.
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for juspay/connector-service: Delivered a robust gRPC API error handling framework that standardizes error propagation and converts internal errors into appropriate gRPC statuses, improving reliability and client experience. The work focuses on business value by reducing client-side ambiguity, accelerating incident resolution, and laying groundwork for future instrumentation. It introduces a trait-based error design and implementations to switch between error contexts, enabling consistent error reporting across the service.
May 2025
Activity
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Quality Metrics
Correctness90.8%
Maintainability92.6%
Architecture91.6%
Performance86.6%
AI Usage23.4%
Skills & Technologies
Programming Languages
BashProtoProtobufProtocol BuffersRustTOMLYAMLprotobuf
Technical Skills
API DesignAPI DevelopmentAPI IntegrationBackend DevelopmentBuild System ConfigurationBuild SystemsCI/CDCargoConnector IntegrationData MaskingData SecurityDependency ManagementError HandlingGitHub ActionsProtobuf
Repositories Contributed To
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