Golang Developer C2C requirements (Remote) only

Role: Go (Golang) Engineers with OSS Package Ecosystem

Contract

Remote

Rate: $65/hr on C2C

Key Responsibilities

Open Source Package Upgrade Management

Perform version upgrades of Go open-source packages across large codebases.
Analyze package dependencies and transitive dependency chains.
Assess compatibility impact of package upgrades on consuming applications.
Drive package modernization and retirement of obsolete dependencies.
Manage end-to-end package migration activities.
Dependency Analysis & Remediation

Investigate dependency conflicts and version incompatibilities.
Resolve issues arising from indirect and nested dependencies.
Analyze API deprecations and breaking changes introduced by package upgrades.
Create remediation plans for application and library compatibility issues.
Develop dependency migration strategies for large package ecosystems.
Go Development & Debugging

Troubleshoot and resolve code breaks resulting from package version migrations.
Modify Go applications and libraries to align with updated package APIs.
Perform root cause analysis of runtime, functional, and integration failures.
Develop and maintain fixes for OSS-related defects.
Contribute improvements and fixes to upstream open-source projects where appropriate.
Build & Test Engineering

Diagnose and resolve build failures triggered by package upgrades.
Investigate and fix unit, integration, and regression test failures.
Ensure successful execution of CI/CD validation pipelines.
Resolve failures identified during global presubmit validation processes.
Improve build reliability and automation around package migration workflows.
Copybara & Source Synchronization

Manage Copybara configurations and synchronization workflows.
Troubleshoot repository synchronization and code migration issues.
Resolve merge conflicts and code integration challenges.
Support source movement between internal and external repositories.
Patch Management

Create and maintain local patches for package compatibility.
Track upstream fixes and assess opportunities to retire local patches.
Manage patch lifecycle and release readiness.
Maintain upgrade documentation and remediation records.
Engineering Automation

Develop automation for:
Dependency discovery
Version analysis
Impact assessment
Upgrade validation
Failure triage
Build tooling to improve migration velocity and engineering productivity.
Required Technical Skills

Go Programming Expertise

Strong software engineering experience in Go (Golang).
Deep understanding of:
Goroutines
Channels
Concurrency patterns
Memory management
Context propagation
Error handling strategies
Experience developing and maintaining production-grade Go applications.
Go Ecosystem Knowledge

Extensive experience with:
Go Modules
GOPROXY
Dependency resolution
Semantic versioning
Package publishing
Open-source package maintenance
Build & CI/CD

Strong experience with:
Bazel
Go Build
Go Test
GitHub Actions
Jenkins
Buildkite
GitLab CI
Ability to troubleshoot large-scale build environments.
Dependency & Migration Engineering

Experience performing:
Package upgrades
Framework migrations
Dependency conflict resolution
Version compatibility analysis
API migration and refactoring
Source Control & Repository Management

Git expertise.
Experience with monorepos and large-scale codebases.
Familiarity with Copybara or equivalent repository synchronization tools.
Code review and branching strategy experience.
Platform & Infrastructure

Linux systems expertise.
Container technologies:
Docker
Kubernetes
Familiarity with cloud-native development practices.
Preferred Qualifications

Experience managing large-scale OSS upgrade programs.
Contributions to public Go open-source projects.
Experience with supply-chain security and dependency governance.
Familiarity with vulnerability remediation practices.
Experience with SBOM generation and management.
Understanding of modern software release engineering practices.