Senior Software Engineer

EasyPost is a rapidly growing company founded in 2012, focused on simplifying shipping for businesses. They are seeking a Senior Software Engineer to modernize the technology behind USPS shipping, working on high-performance Go services and migrating legacy systems to the cloud.

Responsibilities:

• Build the future - design, code, test, and optimize high-performance Go services that power USPS shipping for millions of users
• Drive the migration - help refactor legacy systems for the cloud, then design new cloud-native services that take full advantage of Azure, Kubernetes, Kafka, and more
• Collaborate and influence - work hand-in-hand with product managers and other engineers to translate big ideas into rock-solid architecture
• Raise the bar - participate in peer reviews, mentor teammates, and bring modern Go best practices (gRPC, microservices patterns, performance tuning) into the codebase
• Solve real problems - troubleshoot production issues in high-throughput, low-latency environments without downtime
• Document for the future - create clear technical docs so the next engineer can pick up right where you left off
• Continuously improve - bring fresh ideas from the industry to improve speed, scalability, reliability, and developer experience
• Test like you mean it - build and run automated unit, integration, and performance tests to ensure we ship with confidence
• Work smart with tools - use Git and other version control systems to manage complex, distributed workflows

Requirements:

• Bachelor's Degree
• 8+ years of software development experience, master's degree and 6+ years of software development experience, or equivalent related work experience
• Proven experience in software development, including designing, coding, testing, and debugging applications
• Proficiency in Go; experience with additional languages such as Python, C++, or similar is a plus
• Familiarity with Agile or Scrum methodologies and tools like JIRA and Confluence
• Strong understanding of data structures, algorithms, and design principles
• Experience with backend frameworks and APIs; familiarity with front-end frameworks such as React, Angular, or similar is a plus
• Knowledge of SQL and NoSQL databases and data modeling concepts
• Excellent analytical, troubleshooting, and problem-solving skills
• Strong verbal and written communication skills, with the ability to convey complex ideas to technical and non-technical audiences
• Big-picture thinker, hands-on builder - you understand how systems fit together and can move seamlessly from high-level architecture to production-ready code, improving what's there while respecting the work that came before
• Creative problem-solver - you thrive on solving complex engineering challenges, weighing trade-offs, and delivering solutions that work in the real world
• Collaborative influencer - you connect with teammates across disciplines, earn trust quickly, and know how to communicate ideas that inspire action
• Adaptable leader - you're comfortable in ambiguity, able to chart a path forward, and you elevate the people and projects around you