Senior Full Stack Engineer - Austin, Texas

Senior Full Stack Engineer About ShipperHQ: ShipperHQ is a trusted leader in the e-commerce shipping space, with over 15 years of experience helping merchants deliver better checkout experiences. Founded in 2009, we power shipping logic and checkout optimization for thousands of brands, from DTC disruptors to enterprise retailers, in 150+ countries. Based in Austin with a global team, we’re a fast-moving, product-led company shaping the future of e-commerce logistics. Responsibilities: Architectural Design & Strategy: Define the blueprint for complex features, ensuring that the underlying logic is sound before a single line of code is generated. AI Orchestration & Audit: Utilize AI tools to accelerate the implementation phase while spending your brain power on meticulous code reviews. You are the final gatekeeper, spotting drift that automated tools might miss. TDD-Led Development: Drive development through a test-first mentality. You will define the testing requirements and structure that validate every feature, ensuring code meets our strict functional and performance benchmarks. Define the Standard: Establish and enforce uniform code structures and standards for our codebases. You ensure that even with AI assistance, our codebase remains clean, readable, and consistent. UX & Full-Stack Integration: Ensure that our backend shipping logic translates into a seamless, high-performance frontend experience, maintaining a high bar for UX and implementation details. Qualifications: At least 7 years of commercial full-stack software development experience with deep foundational knowledge required to judge the quality of code at a glance. Work daily with AI-assisted tools to speed up feature delivery and improve code quality. You should be an expert at prompting for complex architectural patterns and refining AI output in real-time. A disciplined commitment to Test-Driven Development. You understand that in an AI-heavy workflow, the test suite is the most important documentation you own. Strong experience in software design patterns and object-oriented programming. You know how to build for the long term. Exceptional problem-solving skills, strong analytical capabilities, and excellent communication abilities. A proactive approach to challenges, coupled with the ability to propose innovative and pragmatic solutions. Experience in high-traffic, SaaS, or e-commerce platforms is highly valued. Experience with backend technologies like Java, Node.js or Rails is highly advantageous Bonus Points for Experience in: Startup or small company environments Experience with integrating with Shopify Node.js, Next.js, TypeScript, GraphQL, AWS, high-traffic environments or high-throughput data analytics systems Why ShipperHQ? This is a highly fast-paced environment where no two days will look alike. For the right candidate, with the right attitude, there are fantastic opportunities for career progression. We are an agile, fast-moving team that likes to roll up our sleeves and solve some of the biggest issues in shipping. You will learn more at ShipperHQ in a year than you would in 3 years at other companies, thanks to our collaborative learning culture that fosters continuous growth and innovation. Benefits and Perks: Collaborate with a motivated team, directly tying your results to organizational success 22 days of PTO plus public holidays 401k Match Medical, Dental, and Vision Insurance Maternity and Paternity Leave This is a hybrid, full-time position working out of our Austin, TX office in the Arboretum Area Compensation is based on experience At ShipperHQ, we’re proud to be a team that’s as diverse as the merchants we serve. As a member of the e-commerce community, we take responsibility to empower shops large and small to grow and thrive through the power of technology to heart. With honesty, responsiveness, and innovation at the center of all we do, we remain committed to hiring the right people for the job, regardless of race, background, religion, or eccentricity.