Staff Developer - Bizapps

8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact. About 8x8 8x8 connects people and organizations through seamless communication on the industry's most integrated platform for Customer Experience — combining Contact Center, Unified Communications, and CPaaS APIs. We believe CX limits were meant to be shattered, and the engineers who build our platform are at the heart of making that happen. For additional information, visit or follow 8x8 on LinkedIn, Twitter and Facebook. About the Team The BizApps Commerce Team owns the billing infrastructure that powers 8x8's commercial engine. We build and operate the systems that handle how customers are billed, how partners are onboarded, and how revenue flows through the business. Our work sits at the intersection of Product, Finance, and Platform engineering, and the systems we build are used every day by customers, partners, Salesforce ops, and finance teams worldwide. We work across a modern, distributed stack and ship things that matter. We move fast, we own what we build end-to-end, and we care deeply about correctness because in billing, a bug isn't just a bug - it's a wrong invoice, an angry customer, or missed revenue. The Role We're looking for a Staff Software Developer who is excited about building reliable, scalable billing and commerce systems. You'll join a tight-knit team of engineers and work directly with your engineering manager, other staff developers, tech leads, and cross-functional partners across Salesforce, finance, and channel ops. This is a full-stack backend-leaning role. You'll work on real problems like customer hierarchy modeling, subscription lifecycle management, consumption based billing, tax integrations, payment integrations, billing event processing and you'll have meaningful ownership from day one. Our platform makes extensive use of Spring Boot and Spring Cloud and the stack is primarily written using Java. The technology stack is entirely owned by 8x8 which means engineers have exposure to many facets of architecture. Responsibilities The position may be remote, you must be comfortable working autonomously and driving work forward in a distributed, fast-paced engineering organization Collaborate with cross-functional teams (product, design, operations, infrastructure) to design and deliver reliable billing platform experiences Architect and develop scalable backend services and APIs across the billing ecosystem including subscription lifecycle management, usage aggregation, and payment processing Lead complex technical efforts end-to-end from requirements decomposition through design, implementation, and production rollout with minimal oversight Provide technical guidance and architectural direction to engineers across the team; establish and uphold engineering standards for code quality, testing, and observability Own the reliability, scalability, and performance of critical billing components; proactively identify and resolve bottlenecks, regressions, and integration failures Drive technical design decisions for new platform capabilities such as usage-based billing models, and billing reconciliation pipelines Establish deep end-to-end ownership of one or more core billing domains. You are the person the team turns to when something is unclear or broken Key Qualifications: 14+ years of experience designing and developing scalable, enterprise-grade backend systems ideally including billing, commerce, or financial platforms BS/MS degree in Computer Science or a closely related technical discipline where software engineering was a core requirement Deep professional expertise in Java (primary); Python or other modern languages a plus Proven track record architecting, building, and operating large-scale distributed systems in production including design, deployment, and long-term ownership Strong understanding of event-driven architecture with hands-on experience using Kafka or equivalent messaging brokers; experience building and maintaining event pipelines between heterogeneous systems is highly valued Experience integrating with third-party platforms and enterprise systems such as ERP, CRM, billing engines, or payment processors Solid grasp of API-driven design, REST and async patterns with a focus on testability, backward compatibility, and versioning Security-first mindset: strong working knowledge of OAuth2, JWT, and securing inter-service communication in a microservices environment Proficiency with relational databases including schema design, query optimization, and troubleshooting production performance issues Hands-on experience with containerization and orchestration: Docker and Kubernetes in cloud-native environments (AWS, GCP, or Azure) Familiarity with observability practices — logging, metrics, distributed tracing — and using them to diagnose and resolve production issues Actively embraces AI-assisted development tooling (e.g. GitHub Copilot, Claude) as a force multiplier; comfortable integrating these into day-to-day engineering workflow and helping teammates do the same Anything Else? Excellent analytical and quantitative skills Experience working in a global environment, across multiple time zones and geographies Exposure to Salesforce or a similar large CRM system Familiarity with API-first development, OpenAPI/Swagger specifications. Experience with integrations and ability to get up to speed with multiple third-party products and their API’s and Environments Strong foundations in software engineering, encompassing the entire software delivery lifecycle. The compensation range reflects the Company’s good faith belief at the time of posting. 8x8 has different base pay ranges for different work locations within the United States, which allows us to pay employees competitively and consistently in different geographic markets. The range above reflects the potential base pay across the U.S. for this role; the applicable base pay range will depend on what ultimately is determined to be the candidate’s primary work location. Further, individual base pay depends on various factors, in addition to primary work location, such as complexity and responsibility of role, job duties/requirements, and relevant experience, knowledge, success, education and skills. Base pay ranges are reviewed and typically updated each year. Offers are made within the base pay range applicable at the time. Certain roles are eligible for additional rewards, including discretionary merit increases, bonus and/or stock. Certain roles have the opportunity to earn sales variable compensation incentives based on the terms of the plan and the employee’s role. Salary Ranges: $170,800.00 - $256,200.00 8x8 is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. For 8x8 jobs located in the US: 8x8 participates in the E-Verify program. View the Participant Poster in English and Español. View the Right to Work Poster in English and Español. We also provide reasonable accommodation to individuals with disabilities in accordance with applicable laws. Learn more or email us at View email address on click.appcast.io (Include “Reasonable Accommodation” in the subject line) Our Job Applicant Privacy Notice can be found here. Learn more on our company website at follow our pages on LinkedIn, Twitter, Facebook and Instagram. We’re glad you’re here. But this isn’t our main career hub—think of it as a side door. For the full experience—including how we hire, what life at 8x8 is really like, and all our current open roles—head over to our main careers site. Explore Careers at 8x8 See Open Roles Learn How We Hire Meet our people, explore our EVP pillars, and learn how we’re shaping the future of connected communication. Want to see what life at 8x8 really looks like? Follow us for a behind-the-scenes look at our people, culture, and what we’re building together. 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