Senior Backend Golang Engineer, Mailgun Send

The Mailgun Sending Pipeline team at Sinch is responsible for a sophisticated and robust email delivery platform that delivers well over 1 billion emails daily to people all around the globe! With scalability, stability, and throughput at the forefront of priorities, the team is heavily focused on building, improving, and maintaining our suite of microservices, supporting technologies, and architecture that as of today have handled up to 100,000 requests per second! We are constantly seeking innovative ways to ensure our customers are having the best experience with our product as possible.

The ideal candidate should thoroughly enjoy difficult problems at scale while having a concrete and realistic understanding that there are customers at the other end of the keyboard. They will help coordinate long-term improvements to our reliability which could include making architectural changes, and writing libraries or services to increase system reliability or supportability. They should enjoy learning new systems that are complicated in nature and be comfortable and confident living in a critical path of the businesses' success.

Responsibilities

• Be a part of the entire SDL: planning and analysis stage, design and prototyping stage, development, testing, integration, deployment, monitoring and maintenance.
• Write documentation, map out flowcharts, and build diagrams for maintainability, use in educating developers, support reps, etc.
• Evaluate the performance of a variety of system components to come up with ways to improve performance and reliability.
• Aid our customers and help internal support reps by tackling incoming customer requests, bugs, answering difficult questions, and offering assistance when needed.
• Implement metrics and traces, create and manage alerts, create dashboards, all to provide the team with robust insights into all system components.
• Be an advocate for a high ownership culture, while taking ownership of parts of the stack.

• Extensive experience in the field paired with an in-depth understanding of Golang. Python is a plus.
• Experience building and managing highly scalable distributed systems in a container orchestrated environment.
• Experience with Domain Driven Service architecture.
• In-depth familiarity with CI/CD, monitoring production code and distributed systems.
• Solid knowledge of NoSQL databases such as MongoDB or Cassandra and caching solutions.
• Analytical mind with a passion for problem-solving in a sophisticated system.

Preferred

• Experience with Kafka, peer based caching, tracing in distributed systems.