
Marcelo Salloum engineered backend features and infrastructure for the stellar/stellar-disbursement-platform-backend, focusing on secure, reliable payment processing and developer experience. He delivered API enhancements, robust error handling, and end-to-end test coverage, using Go and SQL to support complex disbursement flows and Circle API integrations. Marcelo optimized CI/CD pipelines with Docker and GitHub Actions, modernized deployment via Alpine-based images, and improved code quality through linting and modular refactoring. His work included secure invite template validation, payment memo support, and CSV ingestion improvements, all while maintaining documentation and onboarding clarity. The solutions demonstrated depth in backend architecture, automation, and maintainability.

September 2025: Backend-focused improvements centered on code quality, CI reliability, and email rendering consistency for the Stellar Disbursement Platform backend. Re-enabled golangci-lint in CI, updated the workflow to golangci-lint v2.1.2 with adjusted configurations, and performed minor code and dependency updates to align with linter requirements. Fixed email template CSS to enforce white button text across clients, addressing rendering inconsistencies in Gmail. These changes reduced lint-related build issues and improved the consistency and reliability of communications.
September 2025: Backend-focused improvements centered on code quality, CI reliability, and email rendering consistency for the Stellar Disbursement Platform backend. Re-enabled golangci-lint in CI, updated the workflow to golangci-lint v2.1.2 with adjusted configurations, and performed minor code and dependency updates to align with linter requirements. Fixed email template CSS to enforce white button text across clients, addressing rendering inconsistencies in Gmail. These changes reduced lint-related build issues and improved the consistency and reliability of communications.
August 2025 monthly summary for the stellar-disbursement-platform-backend focused on delivering a critical dependency upgrade to enable protocol-23 readiness for mainnet. The backend maintained alignment with Stellar protocol changes while keeping release risk low through dependency pinning and checksum updates.
August 2025 monthly summary for the stellar-disbursement-platform-backend focused on delivering a critical dependency upgrade to enable protocol-23 readiness for mainnet. The backend maintained alignment with Stellar protocol changes while keeping release risk low through dependency pinning and checksum updates.
June 2025 monthly summary for stellar/stellar-disbursement-platform-backend. Key accomplishment: deploy optimization via Alpine-based Docker images and multi-stage builds, reducing image size and accelerating deployment builds. No major bugs fixed this month; focus was on performance, reliability, and readiness for scale. Business value: faster deployments, lower resource usage, and easier maintenance; technologies demonstrated include Docker, Alpine Linux, and multi-stage builds.
June 2025 monthly summary for stellar/stellar-disbursement-platform-backend. Key accomplishment: deploy optimization via Alpine-based Docker images and multi-stage builds, reducing image size and accelerating deployment builds. No major bugs fixed this month; focus was on performance, reliability, and readiness for scale. Business value: faster deployments, lower resource usage, and easier maintenance; technologies demonstrated include Docker, Alpine Linux, and multi-stage builds.
May 2025 monthly summary for the stellar/stellar-disbursement-platform-backend: What was delivered: - Documentation Badges and Changelog Update: Enhanced the README with status, documentation, and dependency badges; updated the CHANGELOG to reflect these additions. - Commit reference: 2777e71ee04de45ad2a9743283faaac57ce25c6f ("Add badges to the README.md file (#691)") to ensure traceability and governance. Key features delivered: - Clear visibility into project health and documentation status via badges (build, docs, dependencies) directly in the repository homepage. - Improved changelog traceability showing recent documentation-related enhancements. Major bugs fixed: - No major bugs reported or resolved this month; effort focused on documentation quality and repo hygiene. Overall impact and accomplishments: - Enhanced onboarding for new contributors and faster stakeholder assessment through visible health indicators. - Reduced ambiguity around dependencies and documentation status, contributing to smoother maintenance and release readiness. - Strengthened governance and traceability with a documented change entry and linked commit. Technologies/skills demonstrated: - Git and commit hygiene, Markdown README and CHANGELOG maintenance, use of repository badges to communicate health signals. - Documentation governance and change traceability practices.
May 2025 monthly summary for the stellar/stellar-disbursement-platform-backend: What was delivered: - Documentation Badges and Changelog Update: Enhanced the README with status, documentation, and dependency badges; updated the CHANGELOG to reflect these additions. - Commit reference: 2777e71ee04de45ad2a9743283faaac57ce25c6f ("Add badges to the README.md file (#691)") to ensure traceability and governance. Key features delivered: - Clear visibility into project health and documentation status via badges (build, docs, dependencies) directly in the repository homepage. - Improved changelog traceability showing recent documentation-related enhancements. Major bugs fixed: - No major bugs reported or resolved this month; effort focused on documentation quality and repo hygiene. Overall impact and accomplishments: - Enhanced onboarding for new contributors and faster stakeholder assessment through visible health indicators. - Reduced ambiguity around dependencies and documentation status, contributing to smoother maintenance and release readiness. - Strengthened governance and traceability with a documented change entry and linked commit. Technologies/skills demonstrated: - Git and commit hygiene, Markdown README and CHANGELOG maintenance, use of repository badges to communicate health signals. - Documentation governance and change traceability practices.
March 2025 monthly summary for stellar/stellar-disbursement-platform-backend focusing on delivery of user-centric improvements, reliability fixes, and modernization of CI/CD. Highlights include streamlined PR reviews, enhanced CSV ingestion with Stellar memos, modernized CI/CD tooling and dependencies, reliability improvements for health checks, and strengthened test coverage with retry logic and expanded end-to-end tests for payout APIs. All efforts contributed to faster, safer deployments, higher data fidelity in disbursement processing, and improved developer productivity.
March 2025 monthly summary for stellar/stellar-disbursement-platform-backend focusing on delivery of user-centric improvements, reliability fixes, and modernization of CI/CD. Highlights include streamlined PR reviews, enhanced CSV ingestion with Stellar memos, modernized CI/CD tooling and dependencies, reliability improvements for health checks, and strengthened test coverage with retry logic and expanded end-to-end tests for payout APIs. All efforts contributed to faster, safer deployments, higher data fidelity in disbursement processing, and improved developer productivity.
February 2025 (stellar/stellar-disbursement-platform-backend) – Delivered four core backend enhancements focused on search usability, payment traceability, UX improvements for account recovery, and deployment reliability. The work strengthens business value by improving discovery, enabling end-to-end memo tracing across Stellar and Circle payments, simplifying user password resets, and accelerating safe releases with centralized query configuration.
February 2025 (stellar/stellar-disbursement-platform-backend) – Delivered four core backend enhancements focused on search usability, payment traceability, UX improvements for account recovery, and deployment reliability. The work strengthens business value by improving discovery, enabling end-to-end memo tracing across Stellar and Circle payments, simplifying user password resets, and accelerating safe releases with centralized query configuration.
January 2025 – Delivered security, reliability, and API-flexibility enhancements for the Stellar Disbursement Platform Backend. Key features delivered include: Secure Invite Templates hardened against XSS via robust HTML parsing; Ingress Configuration Cleanup to simplify deployments; Modularized ReCAPTCHA and MFA Validation for API-ready usage; Circle API: Transfers API Support with dynamic endpoint selection. Major bugs fixed include: Circle Payout Retry Robustness with missing trustlines and improved error handling; Receiver Verification Patchability and Auditing to enable safe updates of confirmed fields and enhance auditing. Overall impact: strengthened security, reduced operational risk, and greater integration flexibility with Circle, enabling more robust payouts and smoother deployments. Technologies demonstrated: HTML parsing for security, Kubernetes ingress simplification, modular validation refactors for API-only usage, and API-driven endpoint configuration.
January 2025 – Delivered security, reliability, and API-flexibility enhancements for the Stellar Disbursement Platform Backend. Key features delivered include: Secure Invite Templates hardened against XSS via robust HTML parsing; Ingress Configuration Cleanup to simplify deployments; Modularized ReCAPTCHA and MFA Validation for API-ready usage; Circle API: Transfers API Support with dynamic endpoint selection. Major bugs fixed include: Circle Payout Retry Robustness with missing trustlines and improved error handling; Receiver Verification Patchability and Auditing to enable safe updates of confirmed fields and enhance auditing. Overall impact: strengthened security, reduced operational risk, and greater integration flexibility with Circle, enabling more robust payouts and smoother deployments. Technologies demonstrated: HTML parsing for security, Kubernetes ingress simplification, modular validation refactors for API-only usage, and API-driven endpoint configuration.
December 2024: Delivered across backend and docs with a focus on test coverage, API reliability, and developer experience for the Stellar Disbursement Platform. Key items include Futurenet network support with end-to-end tests, Circle payouts API migration with updated DB schema and robust error handling and retries, and SDP v3.0.0 documentation updates. These workstreams improved risk reduction, operational stability, and onboarding efficiency.
December 2024: Delivered across backend and docs with a focus on test coverage, API reliability, and developer experience for the Stellar Disbursement Platform. Key items include Futurenet network support with end-to-end tests, Circle payouts API migration with updated DB schema and robust error handling and retries, and SDP v3.0.0 documentation updates. These workstreams improved risk reduction, operational stability, and onboarding efficiency.
November 2024: Delivered security validation for invite templates to prevent JavaScript/HTML/CSS in invites, upgraded dependencies to ensure Protocol 22 readiness, expanded end-to-end test coverage for registration and XLM disbursement flows, and improved CI/CD workflows for faster, more reliable deployments. Renamed messaging timestamp to last_message_sent_at and updated Helm docs to reflect additional communication channels. These changes strengthened security, reliability, and deployment velocity while aligning with strategic protocol and testing goals.
November 2024: Delivered security validation for invite templates to prevent JavaScript/HTML/CSS in invites, upgraded dependencies to ensure Protocol 22 readiness, expanded end-to-end test coverage for registration and XLM disbursement flows, and improved CI/CD workflows for faster, more reliable deployments. Renamed messaging timestamp to last_message_sent_at and updated Helm docs to reflect additional communication channels. These changes strengthened security, reliability, and deployment velocity while aligning with strategic protocol and testing goals.
Overview of all repositories you've contributed to across your timeline