Senior Software Engineer

🧡📦💙Founded in 2012, EasyPost is a YC unicorn whose mission is to make shipping simple for businesses—from garage startups to the Fortune 500. Shipping, now more than ever, is the backbone of the global economy, but integrating the technology-enabled operations of a modern business with the low-tech and complex shipping industry has always been a challenge. EasyPost solves this problem with the first developer-friendly REST API for shipping, and we continue to push boundaries and discover new ways to simplify shipping for all. Our team is rapidly growing, and this is the perfect time to get on board. Join us and help build the shipping infrastructure of the future. We’re builders, problem-solvers, and “there has to be a better way” people. We like elegant architecture, fast decisions, and shipping (pun intended) improvements that power millions of deliveries every day. We stay scrappy, we move fast, and we don’t wait for permission to innovate in an industry that desperately needs it. If you want to work on systems that actually move the world—literally—you’re in the right place. 🚚✨ Position Summary: We’re looking for a Senior Software Engineer to help modernize the technology behind USPS shipping. You’ll join the small, high-trust team that owns EasyPost’s most critical, highest-traffic platform — the USPS PC Postage system — and play a key role in our journey to the cloud. Your Go expertise will help refactor legacy services, design cloud-native solutions, and deliver the low-latency, high-throughput systems our customers count on every day. If you thrive on solving complex engineering challenges and want to shape a platform that handles massive scale and real-world impact, this is the role for you. Essential Duties and Responsibilities: The essential functions include, but are not limited to the following: o Build the future - design, code, test, and optimize high-performance Go services that power USPS shipping for millions of users. o 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. o Collaborate and influence - work hand-in-hand with product managers and other engineers to translate big ideas into rock-solid architecture. o Raise the bar - participate in peer reviews, mentor teammates, and bring modern Go best practices (gRPC, microservices patterns, performance tuning) into the codebase. o Solve real problems - troubleshoot production issues in high-throughput, low-latency environments without downtime. o Document for the future - create clear technical docs so the next engineer can pick up right where you left off. o Continuously improve - bring fresh ideas from the industry to improve speed, scalability, reliability, and developer experience. o Test like you mean it - build and run automated unit, integration, and performance tests to ensure we ship with confidence. o Work smart with tools - use Git and other version control systems to manage complex, distributed workflows. Minimum Education & Experience Qualifications: o Bachelor’s Degree o 8+ years of software development experience, master’s degree and 6+ years of software development experience, or equivalent related work experience. o Proven experience in software development, including designing, coding, testing, and debugging applications. o Proficiency in Go; experience with additional languages such as Python, C++, or similar is a plus. o Familiarity with Agile or Scrum methodologies and tools like JIRA and Confluence. o Strong understanding of data structures, algorithms, and design principles. o Experience with backend frameworks and APIs; familiarity with front-end frameworks such as React, Angular, or similar is a plus. o Knowledge of SQL and NoSQL databases and data modeling concepts. o Excellent analytical, troubleshooting, and problem-solving skills. o Strong verbal and written communication skills, with the ability to convey complex ideas to technical and non-technical audiences. Core Competencies Required: o 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. o Creative problem-solver - you thrive on solving complex engineering challenges, weighing trade-offs, and delivering solutions that work in the real world. o Collaborative influencer - you connect with teammates across disciplines, earn trust quickly, and know how to communicate ideas that inspire action. o Adaptable leader - you’re comfortable in ambiguity, able to chart a path forward, and you elevate the people and projects around you. What We Offer: o Comprehensive medical, dental, vision, and life insurance o Competitive compensation package and equity o Monthly work from home stipend of $50 o Flexible work schedule and paid time off o Collaborative culture with a supportive team o A great place to work with unlimited growth opportunities o The opportunity to make massive contributions at a hyper-growth company o Make an impact on a product helping ship millions of packages per day Data Privacy Notice for Job Applicants: For information on personal data processing, please see our Privacy Policy: https://www.easypost.com/privacy "EasyPost is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law." To be considered for this position, you must be authorized and based in the United States. If you have any questions or concerns you can reach out to me directly on LinkedIn @KristinaPerna :).

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