Principal Software Engineer at Shippo

At Shippo, we serve as the shipping layer of the internet, acting as a vital building block for the global e-commerce ecosystem. Our mission is to empower merchants by providing world-class shipping solutions that level the playing field, allowing businesses of all sizes to connect with carriers worldwide through a single, intuitive API and dashboard. We are looking for a Principal Software Engineer to join our remote-first team and lead the critical initiative of decomposing our monolithic architecture into a more scalable, service-oriented system.

Responsibilities

• Lead the architectural transition from a monolithic application to microservices to improve system flexibility and scale.
• Establish and drive high standards for testing methodologies, including unit, integration, and automated testing frameworks.
• Design and implement robust observability, logging, and monitoring strategies to ensure proactive issue resolution and performance optimization.
• Partner with cross-functional teams to refine developer tools, documentation, and overall engineering workflows.
• Mentor and up-skill engineering team members on modern software design principles and architectural best practices.
• Stay at the forefront of industry trends and emerging technologies to continuously modernize our software development lifecycle.

Must-haves

• 10+ years of professional experience in software development.
• Proven success in decomposing complex, existing applications into service-oriented architectures.
• Deep expertise in distributed systems and advanced software design patterns.
• Strong background in testing automation, test-driven development, and CI/CD pipelines.
• Comprehensive knowledge of monitoring systems and logging frameworks.
• Exceptional communication skills with the ability to influence technical strategy across diverse teams.
• Strong leadership capabilities and a track record of mentoring senior engineers.
• A BS or MS degree in Computer Science or equivalent practical experience.

Nice-to-haves

• Prior experience working with shipping or postal carrier integrations.
• Proficiency in building APIs using REST or gRPC.
• Experience working with Django, FastAPI, Python, or Golang in large-scale production environments.
• Familiarity with messaging systems like Kafka, NSQ, SQS, or Celery.
• Experience with DevOps tools such as Docker, Kubernetes, Terraform, and GitHub Actions.
• Hands-on experience with AWS cloud services including EC2, DynamoDB, and Lambda.

Benefits

The annual base salary range for this position is $191,000 to $258,000, with offers typically anchored near the midpoint.

• Remote work flexibility through our Shippos Everywhere program.
• Equity compensation.
• Comprehensive medical insurance.
• Dental insurance.
• Vision insurance.