Senior Full Stack Engineer

About Nue.io Nue.io is a next-generation CPQ and revenue automation platform designed for modern SaaS and subscription-based businesses. Our mission is simple: empower go-to-market teams to move faster, close smarter, and scale with confidence. With an elegant, no-code interface and deep Salesforce integration, we streamline the entire quote-to-revenue journey — from complex pricing and approvals to seamless renewals. Backed by top-tier investors and trusted by forward-thinking companies, Nue.io is redefining revenue operations for a product-led world. But we’re more than our product — we’re a team built on curiosity, trust, ownership, and a genuine passion for building great things together. We foster a culture where people can do their best work, grow quickly, and make a real impact. And we’re growing If you're excited by big challenges, smart teammates, and a high-velocity environment, we’d love to meet you. What You’ll Do: We’re looking for a Senior Full-Stack Engineer, Billing who’s passionate about building and scaling systems that drive meaningful business outcomes. In this role, you’ll take ownership of architecture enhancement, technical design and development for billing & collection features, helping us scale to meet the demands of our growing customer base. If you thrive on solving complex problems, collaborating across teams, and working with cutting-edge technologies, this opportunity is for you. You’ll work with a variety of technologies such as Java, Node.js, React, AWS, Salesforce Platform, etc., and play a central role in ensuring reliability, scalability, and performance across our systems. Design and implement robust billing capabilities including invoicing, credit memo management, payments, collections, and taxation, ensuring accuracy and compliance across multiple revenue models (recurring, usage-based, milestone, one-time, credit-based). Build and scale transaction management to handle high-volume, high-fidelity financial events with strict ordering, idempotency, and auditability requirements. Develop data synchronization mechanisms between internal billing systems and external financial systems (e.g., ERP, payment gateways, tax engines) to ensure consistency, fault tolerance, and real-time visibility. Architect for scale and reliability , ensuring billing services can handle rapid customer growth, large data sets, and complex customer hierarchies without degradation in performance or data integrity. Extend APIs and infrastructure to support new features and customer use cases while maintaining backward compatibility. Strengthen security and authentication frameworks in line with evolving customer and compliance requirements. Automate testing and validation of billing scenarios, including proration, mid-term changes, renewals, and adjustments, to reduce regressions and increase confidence in deployments. Diagnose and resolve production issues , ensuring reliability and customer satisfaction. Collaborate with cross-functional teams to align technical priorities with business objectives. Leverage AI and automation to boost development velocity, quality, and innovation. Stay informed of emerging technologies and industry best practices billing, payments, and revenue operations, bringing fresh ideas to evolve the platform. What You’ll Bring: Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience. 6+ years scaling production SaaS platforms or distributed systems. 6+ years of experience withJava + Spring Boot . Strong experience withrelational databases like PostgreSQL, MySQL (performance optimization, sharding, indexing, etc.). Familiarity withNoSQL technologies (e.g., DynamoDB, MongoDB). Familiarity withCache and Distributed Locks technologies (e.g., Redis, Memcached, ZooKeeper). Familiarity withevent streaming systems (e.g., Kafka, RabbitMQ, AWS SQS/SNS). Proven expertise inAPI design and optimization . Hands-on experience withprofiling, debugging, and performance tuning tools . Interest or experience inAI-assisted development and prompt engineering . Excellentcommunication and collaboration skills. Ability to thrive in afast-paced, startup environment . Bonus Points (optional): Experience withSalesforce . Knowledge ofNode.js, TypeScript, React . Familiarity withcloud services (e.g., AWS, Azure, GCP). Domain experience infinancial, billing or collection . What We Offer: Competitive compensation and benefits that reward your talent and impact. Comprehensive health, vision, dental, and life insurance. A front-row seat in the Silicon Valley tech ecosystem , where you’ll work on cutting-edge challenges shaping the future of SaaS, finance, and payments. The opportunity to build truly groundbreaking products —your work won’t just support the business; it will influence how companies around the world monetize and grow. A high-energy, collaborative culture where smart, supportive teammates push each other to learn fast, think boldly, and do the best work of their careers. Room to grow, lead, and make your mark in a fast-scaling company that values creativity, ownership, and ambition. About Nue.io We believe that the right way to accelerate business results is by giving go-to-market teams agility—to sell and monetize ANY revenue model, across ANY channel, with complete and accurate revenue visibility end-to-end. This requires a truly disruptive product and innovative team—we’re bringing CPQ, Billing, Revenue Lifecycle Management, and Revenue Analytics under one platform, upleveling teams and companies with pricing and billing agility, and revenue intelligence. We are an equal opportunity employer and welcome people of diverse backgrounds, perspectives, and skills. We will work with applicants to provide accommodations at any stage of the hiring process. If you require accommodations during the interview process, please email your Talent Partner, and we will work with you to meet your needs. #J-18808-Ljbffr