Staff Software Engineer

Who We Are Sendoso is where you go to build something bigger than yourself. We’re a Series C company with $154M in venture capital funding with more than 800+ customers and 20,000 active users, and multiple revenue streams. Our company is on an unprecedented growth trajectory and we’re looking for people who want to do great things. Sendoso is the leading Sending Platform that delivers modern direct mail, personalized gifts, eGifts, and other Physical Impressions™ at scale. This makes it possible to build stronger, deeper, and more trusted relationships that move everything up and to the right Our award‑winning Sending Platform connects online and offline experiences via cloud software, automation, and real‑world logistics, a feat that few companies have achieved. Our mission statement is to help companies rise above the noise by eradicating spam and elevating relationships. Our goal is to enable businesses everywhere to make more human connections in a digital world. About The Role As a Staff Software Engineer at Sendoso, you’ll play a critical role in shaping the architecture and technical strategy of our platform. You will work closely with product managers, designers, and other engineers to deliver scalable solutions, mentor senior engineers, and drive cross‑team initiatives. This role is both hands‑on and strategic, ideal for someone who thrives on solving complex problems and guiding technical direction across multiple domains. What You’ll Do Lead the design and development of highly scalable, reliable, and secure systems Define and drive technical standards, best practices, and long‑term architecture across multiple engineering teams Partner with product and business stakeholders to translate complex requirements into technical execution plans Mentor and coach engineers at all levels, fostering growth and technical excellence Conduct design and code reviews to ensure quality, maintainability, and performance Proactively identify system bottlenecks, risks, and opportunities for improvement Contribute hands‑on with coding, prototyping, and delivering high‑impact features Collaborate with the R&D leadership team to influence technology strategy and roadmap What We’re Looking For 8+ years of professional software engineering experience, with at least 2+ years in a Staff/Principal‑level or equivalent role Deep expertise in building distributed, cloud‑based systems (AWS or similar) Strong proficiency in modern web technologies (e.g., Ruby on Rails, Vue.js, or similar frameworks) Proven ability to lead large, cross‑team technical initiatives from concept to delivery Excellent system design and architecture skills, with experience scaling high‑per‑formant platforms Strong communication and leadership skills; able to influence without direct authority A passion for mentoring and enabling other engineers to succeed Nice to Have Experience in eCommerce, SaaS, or marketplace platforms Familiarity with event‑driven architectures, microservices, and messaging systems (e.g., Kafka, RabbitMQ) Prior experience in a fast‑growing startup environment What You’ll Gain Exposure to the operational backbone of a fast‑growing SaaS company Cross‑functional collaboration experience with marketing, logistics, and customer success teams Opportunities to grow your career in campaign operations, logistics, or customer experience What We Believe One Team – Everyone belongs here, and whether it’s your first day or you’re the CEO, your voice and ideas matter to us. By embracing the “One Team” core value, we can harness the power of collaboration to drive innovation, overcome challenges, and achieve outstanding results Fuel Potential – Providing individuals with the necessary tools, resources, and support to enable their success and uplift their potential. We empower our team and lift them to higher levels of achievement, both personal and professional Real Connections – It’s a cluttered, digital world out there, but our connections are real. Personal connections matter, and we want to build real connections with our peers and customers Unboxed Thinking – We encourage our team to think creatively and approach challenges from fresh perspectives. We believe that by encouraging and supporting diverse ideas, we can uncover innovative/groundbreaking solutions and deliver an exceptional product and experience Customer Centric – We understand that our success depends on our customers’ success, and we are dedicated to giving every customer that wow moment at every touchpoint. At the end of the day, our customers’ satisfaction and happiness are our ultimate measures of success What You’ll Love Comprehensive Medical Plans plans – we’ve got you covered Take‑What‑You‑Need Time Off Lifestyle Spending Account 401K Plan Volunteer Time Off Birthday Time Off Generous parental leave benefits for both birthing and non‑birthing parents Access to Employee Assistance Programs (EAPs) And much more Remote work environment Sendoso is an equal opportunity employer: we value diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. By submitting your application, you agree that Sendoso may collect your personal data for recruiting, global organization planning, and related purposes. #J-18808-Ljbffr