• Architect, build, and operate high-scale distributed systems powering Docker Hub’s registry platform—spanning artifact storage, metadata services, indexing workflows, and performance-critical APIs. • Lead the design and implementation of backend services with a strong emphasis on scalability, correctness, resilience, and performance. • Drive major initiatives around multi-region replication, caching strategies, request-path optimization, and core registry reliability. • Design, optimize, operate the data and storage layers - for both Relational and NoSql as well as object storage and related technologies. • Develop schemas and data models to support high-throughput, large-volume workloads. • Own systems end-to-end—from storage-layer behavior to API design, deployment workflows, and production monitoring. • Improve the performance and reliability of one of the world’s largest repositories of container images. • Develop and enhance observability through metrics, traces, alerting, and dashboards. • Lead improvements to deployment and operational tooling (e.g., Argo CD, GitHub Actions). • Participate in on-call rotations as part of supporting critical production services. • Mentor engineers and lead design and architecture reviews. • Partner with Product, Design, SRE, and Platform teams to deliver high-impact projects. • Engage with open-source communities, cloud-native partners, and the broader ecosystem. • Take part in on-call rotation for your team; respond to incidents, debug production issues, and drive continuous improvement of system reliability.

• Work in a highly technical team • Connect data from various sources to destinations • Manage complexity and variations in different APIs • Develop using Python and advanced features • Collaborate with backend and frontend remotely

• Drive the development of our open-source tools like httpie/httpie (50K+ stars on GitHub) • Implement features with uncompromising simplicity and top-notch user experience • Write high-quality documentation, blog posts, and other technical content • Respond to GitHub issues and pull requests • Manage releases on various channels (PyPi, Homebrew, Linux, Windows, …) • Contribute code and ideas to the overall platform • Respond to questions on StackOverflow and Discord

We’re looking for a skilled .NET C# Developer.  If you’re passionate about building secure, scalable APIs, working with established systems while helping guide our shift toward the cloud, and are excited by the opportunity to explore machine learning integration—this is your chance to be part of something that truly matters.  Requirements  - 3+ years of professional experience in .NET C# development  - Proficiency with Entity Framework (preferably EF Core)  - Strong command of SQL, including complex query writing and optimization  - Experience building RESTful APIs with ASP.NET or ASP.NET Core  - Familiarity with version control systems, especially Git  - Solid problem-solving and debugging skills  - Ability to communicate effectively and work independently or as part of a team  Nice-to-haves  - Exposure to Azure services such as App Services, Azure SQL, and Azure Functions  - Basic understanding of machine learning model integration via APIs or Azure ML  - Familiarity with OData, microservices, and distributed systems concepts  - Experience writing unit tests (e.g., xUnit, NUnit, MSTest)  - Knowledge of CI/CD practices, especially using GitHub Actions  - Interest or experience in DevOps practices and automation  Core Responsibilities - API Development: Design, build, and maintain RESTful APIs using .NET C#, focusing on performance, reliability, and security.  - Entity Framework & SQL: Develop efficient data models using Entity Framework Core, and write optimized SQL queries for relational databases like SQL Server.  - Cloud Transition Support: Contribute to new development efforts that utilize Azure services (e.g., Azure Functions, App Services, Azure SQL) as we begin migrating from on-prem infrastructure.  - Machine Learning Integration: Collaborate with stakeholders to integrate machine learning models via RESTful APIs or Azure ML services.  - Clean, Maintainable Code: Follow best practices to write testable, maintainable, and well-documented code.  - Cross-Team Collaboration: Work closely with fellow developers and business partners to deliver secure, scalable solutions.  - CI/CD Practices: Support continuous integration and delivery efforts using tools like GitHub Actions.  - Problem Solving: Investigate and resolve performance issues, bugs, and bottlenecks in existing systems.  About Us  Established in 2011, Trinetix is a dynamic tech service provider supporting enterprise clients around the world.  Headquartered in Nashville, Tennessee, we have a global team of over 1,000 professionals and delivery centers across Europe, the United States, and Argentina. We partner with leading global brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture.  Our operations are driven by a strong business vision, a people-first culture, and a commitment to responsible growth. We actively give back to the community through various CSR activities and adhere to international principles for sustainable development and business ethics.  To learn more about how we collect, process, and store your personal data, please review our Privacy Notice: https://www.trinetix.com/corporate-policies/privacy-notice