Staff Backend Software Engineer - AI Platform

Are you ready to challenge your limits and redefine what you believe is possible?At Coinbase, we are committed to enhancing economic freedom worldwide. This monumental mission requires our utmost dedication as we construct the future of the on-chain platform and, in turn, the global financial ecosystem.We are on the lookout for an exceptional candidate who s…

Are you ready to exceed your own limits and redefine the world of finance?At Coinbase, we are driven by our mission to enhance economic freedom globally. This ambitious goal necessitates our utmost commitment as we construct the innovative on-chain platform that will underpin the global financial system of the future.To fulfill our vision, we are in search of an exceptional candidate—one who is deeply passionate about our mission and recognizes the transformative potential of cryptocurrency and blockchain technology in modernizing finance. We desire an individual who is eager to make a lasting impact, thrives in a challenging environment alongside high-caliber peers, and actively embraces feedback for continuous improvement. If you are someone who tackles tough challenges head-on, we want to hear from you!Our work culture is intense and may not suit everyone. However, if you aspire to build the future alongside talented individuals who demand excellence from each other, there is no better place to be.While many positions at Coinbase support a remote-first approach, we are not entirely remote. In-person collaboration is essential throughout the year, with team and company-wide offsite events held multiple times annually to foster teamwork and alignment. Your participation is expected and fully supported.We are looking for a Senior Software Engineer to join the Payment Rails team within Coinbase's Platform organization. Payment Rails serves as the essential infrastructure that enables the movement of money at Coinbase—handling fiat deposits, withdrawals, and transfers across various payment methods, gateways, and banking integrations at scale. You will design and develop low-latency, high-throughput backend services that guarantee every transaction is swift, secure, and dependable, directly empowering millions of customers to transfer value seamlessly within the Coinbase ecosystem and beyond.

Join our innovative team as a Staff Software Engineer (Backend) focusing on payments at Toast, where you'll play a critical role in developing solutions that enhance our payment processing capabilities. We are looking for a talented engineer who is passionate about building scalable and robust backend systems.You will collaborate with cross-functional teams to design, implement, and maintain backend services that ensure seamless transactions for our customers. If you thrive in a fast-paced environment and are eager to tackle complex challenges, we want to hear from you!

At Affirm, we are transforming the credit landscape by making it more transparent and user-friendly. Our mission is to empower consumers with the ability to buy now and pay later, free from hidden fees and compounding interest.The Growth Platform team is instrumental in developing shared backend systems that drive incentives, experimentation, personalization, and data-informed decision-making across Affirm's interactions with both consumers and merchants. This directly impacts our efforts in customer acquisition, engagement, and retention.

Elevate Your Career with Zynga!At Zynga, we unite individuals through the joy of gaming. As a leading global force in interactive entertainment and a proud subdivision of Take-Two Interactive, our games have achieved over 6 billion downloads—bringing together players from more than 175 countries through enjoyable, strategic, and friendly competition.Our diverse portfolio encompasses thrilling casino experiences, epic strategy games, challenging puzzles, and engaging social word games. Some of our beloved titles include FarmVille™, Words With Friends™, Zynga Poker™, Game of Thrones Slots Casino™, Wizard of Oz Slots™, Hit it Rich! Slots™, Wonka Slots™, Top Eleven™, Toon Blast™, Empires & Puzzles™, Merge Dragons!™, CSR Racing™, Harry Potter: Puzzles & Spells™, Match Factory™, and Color Block Jam™—and many more!Founded in 2007 and headquartered in California, our teams stretch across North America, Europe, and Asia, collaboratively crafting unforgettable gaming experiences. Whether you're spinning, strategizing, matching, or competing, Zynga is the intersection of fun and innovation—where your career can truly flourish.Join us and become a part of the play!Position Overview:Become a vital member of Zynga's Central Technology team, where we make a significant impact across all company games! Our focus is on shared client and server technology that powers the core gameplay experience. We seek exceptional engineers who are passionate about technology and eager to collaborate in a team with diverse strengths. As a Principal Software Engineer, you will join a talented group of software engineers dedicated to designing and maintaining Zynga's core Payments platform, ensuring seamless integration with app stores, consoles, and payment processing providers. You will play a pivotal role in architecting, building, and advancing the next-generation framework for our games.

Role overview Weave seeks a Staff Software Engineer specializing in Payments to join the team at headquarters in Lehi, UT. This position focuses on creating and refining payment solutions that support a smooth user experience. The work is hands-on and involves frequent collaboration with colleagues from various departments. What you will do Design and build payment systems that can scale as business requirements grow Collaborate with teams across disciplines to deliver solutions that are reliable and easy to maintain Apply established software development practices to uphold quality and security standards

Join Databricks as a Staff Backend Software Engineer on our cutting-edge AI Platform team. We are on a mission to simplify data and AI for enterprises worldwide. In this role, you will be pivotal in developing robust backend systems that support our AI initiatives, driving innovation and efficiency.As a member of our dynamic team, you will work with the latest technologies and methodologies to create scalable solutions that meet the needs of our clients. Your expertise will help shape the future of our AI Platform, delivering exceptional user experiences and insights.

Join our innovative team at Databricks as a Staff Backend Software Engineer focusing on our cutting-edge AI Platform. In this pivotal role, you will be responsible for designing, developing, and optimizing backend systems that empower data scientists and engineers to build AI applications efficiently.As a key contributor, you will work closely with cross-functional teams to deliver scalable solutions that enhance our platform's capabilities. Your expertise will drive the development of robust features that support machine learning workflows and big data processing.

Join Databricks as a Staff Backend Software Engineer on our AI Platform team, where you will play a pivotal role in shaping the future of data analytics and machine learning. You will work collaboratively with talented engineers to design, develop, and enhance robust backend systems that drive our cutting-edge AI solutions. Your innovative mindset and technical expertise will help us deliver unparalleled value to our customers.

Join our dynamic Settlement Team at PayNearMe, where you will be crucial in ensuring the seamless movement of funds from payment events through settlement, reconciliation, adjustments, and comprehensive reporting. Collaborating closely with Product, Reconciliation, Accounting, Finance, and Support teams, you will help maintain our platform’s integrity at scale.Our technology stack features Ruby on Rails for our money movement monolith and Go microservices deployed on AWS/Kubernetes. We utilize Datadog for observability, Looker for analytics, and Docker for local development.In this role, you’ll enhance PayNearMe’s settlement platform by designing robust systems that manage high-throughput money movement, simplifying operational processes, and facilitating safe team deployments of changes.

Location(s): US (remote), Boston (hybrid), or New York (hybrid) At Toast, we are dedicated to revolutionizing the restaurant industry by providing a robust platform that empowers restaurants to adapt, regain control, and focus on their passion: building the businesses they love. Unlike traditional tech companies, we embrace innovation and diversity, fostering an environment where unique perspectives flourish. Our comprehensive cloud-based software and restaurant-grade hardware deliver an intuitive all-in-one solution, enabling restaurants of all sizes to enhance their teams, boost revenue, streamline operations, and create unforgettable guest experiences. Join us in our mission to empower the restaurant community to thrive. Bready to make a difference? The Fintech division at Toast is responsible for one of the most vital aspects of our infrastructure: payment processing. This critical function ensures that our restaurant partners receive payments promptly, serving as a major revenue driver for Toast and a lifeline for our customers. We handle millions of dollars in transactions daily. We are looking for a Software Engineer II to join our Payments team. The successful candidate will play a key role in developing our unified payment processing platform, which provides a seamless service for payment acceptance across multiple channels, designed for scalability and adaptability with both established and new payment methods. Key Responsibilities: Design, implement, and deliver innovative features for Toast’s payments products. Create and maintain an automated testing suite to guarantee high-quality code for our customers. Oversee feature rollouts to customers while monitoring their success. Collaborate with UX designers and Product Managers to define and refine features. Engage with various teams across Toast to ensure cohesive development efforts. Participate in design and code review sessions with experienced engineers. Qualifications: Minimum of 2 years of experience in software engineering or a similar role. Proficiency in backend development technologies. Strong understanding of payment processing systems. Experience with automated testing frameworks. Excellent collaboration and communication skills.

About Gusto Gusto supports over 400,000 small businesses nationwide by handling payroll, health insurance, 401(k) plans, and HR services. This work helps business owners focus on what matters most to them and their customers. With offices in Denver, San Francisco, and New York, Gusto aims to build a workplace that reflects the diversity of the communities it serves. Full-time employees receive competitive salaries, a comprehensive benefits package, and equity in the form of RSUs. Compensation varies by role, level, and location. Details about Gusto’s approach to rewards can be found on their Total Rewards philosophy page. AI plays a key role in daily operations at Gusto. Team members are expected to use AI tools relevant to their work and continue building their skills as technology evolves. The level of AI experience required depends on the position and will be assessed during the interview process. Role Overview: Staff Software Engineer – Payments & Risk Gusto is hiring experienced full-stack engineers for teams working on payments and risk platforms. These systems serve small business owners every day. Staff Software Engineers in this group work across the full lifecycle of payments or risk systems: shaping architecture early in design, building internal features and APIs, and maintaining performance after launch. The work includes engineering the core business engine, providing reliable backend services for product teams, and setting a high standard for engineering practices. Team Focus Areas Payments: The Payments team manages all financial transaction operations for Gusto’s products. This includes ensuring secure fund transfers among partners, employers, employees, and government agencies. Engineers on this team build new payment features for both U.S. and international markets and help redesign the payments platform to support future growth. Risk: The Risk team develops systems that protect Gusto and its clients from financial risks. This work shapes experiences that keep customers and the company safe. Location This role is based in San Francisco, CA (hybrid) or New York, NY (hybrid).

At Toast, we are passionate about creating a revolutionary restaurant platform that empowers restaurants to reclaim their passion and focus on what they do best: nurturing their beloved businesses. We pride ourselves on being an unconventional tech company that thrives on innovation. Challenging the status quo is embedded in our culture. Building a transformative product necessitates forward-thinking, which is why we deeply value diverse backgrounds and experiences. Our mission is to enable restaurants of all sizes to assemble exceptional teams, boost revenue, streamline operations, and offer unforgettable guest experiences. By combining our extensive knowledge of the restaurant industry with robust cloud-based software and top-tier hardware, we deliver an intuitive all-in-one solution. Join us in our quest to uplift the restaurant community, delight guests, and help them flourish. Our Fintech division at Toast plays a pivotal role in our infrastructure by managing payments for restaurants and ensuring timely transactions. Payment processing is not only a vital revenue stream for Toast but also essential for our customers, as we handle millions of dollars in transactions daily. We are on the lookout for a Senior Software Engineer to enhance our Payments team and develop our unified payment processing platform. This solution provides a seamless, integrated service for accepting payments across various channels and supports a configurable enterprise approach. It is engineered to enable a build-once, available-to-all strategy for both existing and emerging payment methods. The right candidate will play a crucial role in creating services that provide essential support and functionality within this payment processing framework.

About DEUNA DEUNA is an innovative startup transforming the landscape of global commerce with our groundbreaking AI-driven orchestration and payments platform, ATHIA. Our solution empowers large enterprises to enhance approval rates, minimize costs, and discover new revenue streams. Developed by a team recognized as the fastest-growing Commerce OS in Latin America, ATHIA integrates payment intelligence, checkout optimization, and data orchestration into a unified solution.With robust integrations across over 300 payment service providers and alternative payment methods, and with more than 20% of Mexico’s digital economy processed through our platform, we simplify global payment processes via a single integration and centralized reconciliation.As we expand into the U.S. market to fulfill the pressing requirements of large retailers, marketplaces, airlines, and quick-service restaurants (QSRs), we invite you to join us in shaping the future of payments! Role OverviewWe are on the lookout for a Backend Staff Engineer who will serve as a technical expert and architectural leader for our backend systems. This position focuses on tackling complex engineering challenges, scaling distributed systems, and establishing backend engineering standards across the organization.This is not a management role; instead, you will act as a technical authority, collaborating with Engineering Managers while taking charge of technical depth and backend architecture decisions. You will thrive in a dynamic startup environment where backend systems are critical to product capabilities.Key ResponsibilitiesBackend Architecture & System Design- Create and enhance scalable, secure, and resilient backend systems.- Architect high-availability APIs and distributed services.- Establish best practices for reliability, observability, and performance.Deep Technical Contribution- Write high-quality, production-ready backend code.- Lead refactoring initiatives and performance enhancements.- Identify system bottlenecks and implement scalable solutions.- Design data models, caching strategies, and asynchronous workflows.Technical Influence- Provide technical guidance across teams.- Facilitate complex design discussions and evaluate trade-offs.- Enhance backend development standards and documentation practices.Scalability & Reliability- Design systems capable of managing high-traffic and transaction-intensive workloads.- Define strategies for load balancing, scaling, monitoring, and failure management.- Optimize system instrumentation and monitoring practices.

About Levelpath:Established in 2022 and supported by leading venture capital firms in Silicon Valley, Levelpath aims to transform the procurement software landscape, making it delightful for all businesses, regardless of size. Our innovative platform streamlines the procurement process, enhancing speed, safety, and transparency across the organization.Leveraging AI technology, we empower users, boost productivity, and simplify workflows, unlocking extraordinary procurement opportunities.At Levelpath, we champion growth that occurs outside of comfort zones, and we believe in reaching our full potential when faced with challenges. Our work environment thrives on problem-solving and accountability, where every team member is an owner.Engineering at Levelpath:We are on the lookout for dedicated backend developers to join our team and contribute to our customer-facing applications. Success in this role requires significant experience with Ruby and Ruby on Rails, familiarity with service-oriented architectures, GraphQL, REST, and collaboration with front-end teams utilizing React/TypeScript.This role is office-based in downtown San Francisco, providing the opportunity to lead a team in an agile environment with swift decision-making processes. As a founding member, you will play a key role in building a generational company.Responsibilities:Take ownership of a significant portion of the platform development within your initial months, maintaining a strong focus on user experience.Utilize your backend and distributed systems knowledge to scale our Rails-based platform while continuously improving code quality, tools, and processes.Collaborate closely with local and global team members based in San Francisco.Recognize customer challenges and innovate solutions through daily prototyping, refining, and delivering.

Join Sound.xyz as a Staff Backend Engineer and play a pivotal role in shaping an innovative music economy that prioritizes artists and fosters closer connections between fans and their favorite music.In this role, you will steer the technical direction of our engineering team while also contributing directly to our codebase. Your responsibilities will include architecting and leading new projects, designing and implementing robust API layers, and enhancing our performance and reliability as we scale our product and organization. You will influence the development of core song and artist pages for listening parties, web3 economic tools (NFTs, splits), and community governance and membership tools, empowering the next generation of crypto-native artists and their communities. Your insights will directly affect product decisions and user experiences.

Join Zūm, a dynamic and rapidly growing Series E startup, as we revolutionize the school transportation sector. Backed by prominent investors such as Sequoia Capital, SoftBank, Spark Capital, and GIC, we are on a mission to enhance school district transportation systems across the United States, with a focus on innovation and sustainability. Our operations span over 15 states, including flagship hubs in San Francisco, Los Angeles, and Seattle, as we expand our presence to the East Coast and Midwest. Our technology-driven approach utilizes state-of-the-art solutions to manage school transportation, launch charter platforms, and develop proprietary SaaS products. We are also dedicated to electrifying school transportation fleets, supporting local utilities by reintegrating vital energy into the grid. Recognized as a CNBC 50 disruptor and one of the Financial Times' 500 fastest growing companies, we are poised for significant growth.This position is hybrid, based out of our Redwood City headquarters. Candidates must be available on-site at least three days a week (Monday to Thursday) and must reside in the Bay Area.Who You Are:We are seeking a proactive and skilled Staff Engineer, Backend Platform to enhance our Backend Engineering team. In this role, you will play a pivotal part in developing Zūm’s technology platform, striving for simplicity in solving complex challenges. Our ideal candidate thrives on full ownership of product development, making a notable impact on our business.What You'll Do:Contribute significantly to the design architecture of our Backend platform, collaborating with a team of 2-4 backend developers to deliver robust product features. You will introduce scalable tools and processes to enhance our development speed, partner with Product and Design teams to plan and implement new features, and improve our existing platform while integrating new functionalities. This role demands hands-on coding and encompasses the full development lifecycle—from ideation to deployment—allowing you to witness the immediate impact of your contributions.What You Bring To Zūm:• A Bachelor's degree or higher in Computer Science (or equivalent) and 8+ years of relevant industry experience as a Software Engineer or Staff Engineer.• Demonstrated expertise in building backend systems for enterprise applications, showcasing your ability to deliver effective solutions.

Role overview Dropbox seeks a Senior Backend Software Engineer to focus on payment systems. This position involves designing, building, and maintaining backend services that handle payment transactions at scale. The work shapes how customers pay for Dropbox products and services, with a direct impact on user experience and business operations. What you will do Design and develop backend systems that process payments Maintain and enhance existing payment services to support reliability and scalability Collaborate with engineers, product managers, and cross-functional teams to deliver new features and improvements Contribute to solutions that improve user experience and help drive business growth Location This is a passive posting. Dropbox has not specified location requirements for this role.

Arbiter AI is revolutionizing healthcare with our AI-driven care orchestration system that integrates fragmented solutions into a cohesive platform. Our innovative approach replaces over $100 billion worth of disjointed healthcare systems with a centralized, intelligent framework that enhances existing workflows, integrates clinical, policy, and financial data, and automates actions to optimize patient care pathways, starting with site-of-care efficiency.With substantial backing from one of the largest seed funding rounds in health tech history, we are determined to build the connected infrastructure that healthcare has long needed.Our Engineering Culture & ValuesWe pride ourselves on being a high-achieving team of engineers focused on delivering exceptional, high-quality solutions to our clients and partners. Our commitments include:Engineering Excellence: We take great pride in our technical abilities and the products we create, treating both with the utmost respect and diligence.Impact-Driven Development: We are dedicated to engineering robust, scalable systems that can adapt seamlessly to evolving business needs, ensuring minimal disruption.Collaboration Over Ego: We prioritize exceptional work and innovative ideas. We seek talented individuals who thrive in fast-paced environments and are motivated to deliver impactful results frequently.Continuous Growth: We nurture a culture of ongoing learning, mentorship, and professional development, allowing you to expand your expertise and advance your career.ResponsibilitiesAs a Staff Backend Engineer specializing in Automation, you will play a pivotal role in designing, developing, and maintaining our custom Python-based automation platform that drives our intelligent operating system:Automation Service Development: You will design, develop, and implement scalable, fault-tolerant, and high-performance server-side automation services using Python and Playwright for intricate, headless browser-based workflows.API & Wrapper Architecture: You will architect and create clean, reusable Python-based client wrappers and services that provide stable, versioned APIs for desktop clients (e.g., EMRs like Epic), allowing them to be managed as modern distributed services.Distributed Systems Integration: You will lead the integration of various distributed systems, ensuring seamless data flow and operational efficiency.