Staff Software Engineer, Backend - Websites Fundamentals

About AnthropicAt Anthropic, we are on a mission to develop AI systems that are not only reliable and interpretable but also steerable. Our primary goal is to ensure that AI technology is safe and advantageous for all users and society at large. Our rapidly expanding team consists of dedicated researchers, engineers, policy experts, and business leaders, all working collaboratively to create beneficial AI solutions.Role OverviewAt Anthropic, we believe in the strength of collaboration. Our AI Reliability Engineering (AIRE) team plays a crucial role in maintaining the robustness of Claude, our flagship AI, ensuring it remains reliable for everyone who relies on it. We work closely with various teams within Anthropic to enhance reliability across our essential service paths—from the SDK, through our network, API layers, serving infrastructure, and accelerators, and back again. Our hands-on approach allows us to make impactful improvements during incidents and in collaborative projects.Reliability is an emergent quality that extends beyond individual teams. Our role involves taking a comprehensive view of the systems, offering a unique opportunity for dynamic, cross-functional engagement with the most critical aspects of our operations.

POS-22139This role can be Office/Hybrid/Remote based within IrelandHubSpot is leading the charge in empowering businesses through innovative AI technology, and our AI Infrastructure group is pivotal to this mission. We are on the lookout for a Staff Software Engineer who possesses a strong passion for infrastructure and enhancing developer experiences to become a vital member of our AI Serving team. This team is responsible for the end-to-end management of HubSpot’s model inference and serving infrastructure, ensuring that our AI models are deployed reliably, scaled efficiently, observed meticulously, and operated in a cost-effective manner across all hublets and environments. Moreover, this team is the home for modern Python practices at HubSpot.Our team oversees the serving frameworks and libraries that facilitate synchronous, asynchronous, and offline inference, as well as model deployment pipelines, autoscaling, and resource management for both GPU and CPU. Our roadmap is focused on enhancing the reliability and efficiency of batch inference, improving model observability, and scaling our AI infrastructure in a cost-effective manner. Additionally, we are the custodians of core Python libraries and tools across HubSpot.As a Staff Software Engineer on the AI Serving team, you will:Develop and deploy production code that directly powers AI functionalities across HubSpot, serving as a critical component for impactful user and business outcomes at scale.Lead the advancement of our model serving and inference infrastructure, enhancing reliability, scalability, and cost-efficiency.Establish the technical direction for deploying and operating ML models at scale, guiding architectural decisions, cost optimizations, and developer experience enhancements.Collaborate closely with Machine Learning Engineers, Product Software Engineers, and other Infrastructure teams to streamline model deployment and serving processes.Gain extensive insight into various HubSpot infrastructure systems by building and maintaining core Python libraries, offering an exceptional opportunity to understand HubSpot's inner workings.Work alongside HubSpotters across different functions including engineering, product, design, research, marketing, and sales, while gaining a broader understanding of how HubSpot operates as a business.Be empowered to express your authentic self and choose a work style and location that allows you to perform at your best, whether from home, in an office, or a combination of both.We are not solely seeking engineers with extensive experience; we value engineers who have demonstrated unique excellence, leadership, and the ability to elevate those around them.Our primary programming languages include Python and Java, but a variety of experiences are welcomed.

Join Anthropic as a Staff Software Engineer specializing in Inference. In this pivotal role, you will lead projects that enhance our AI systems, contributing to the development of safe and alignable AI technologies. You will collaborate with a dynamic team of engineers and researchers, utilizing cutting-edge tools and methodologies to push the boundaries of AI capabilities.

At Ripple, we are pioneering a future where value is transferred as effortlessly as information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers to enhance the global financial system, promoting economic fairness and opportunity for individuals worldwide. Join a dynamic team where you can elevate your career and expand your skill set alongside supportive colleagues.If you are eager to make a significant impact and unlock remarkable career advancement prospects, we invite you to join us in creating tangible value for the world.In 2025, Ripple acquired GTreasury, marking an important step into the expansive corporate finance sector valued in the trillions.With over 40 years of expertise, GTreasury supports some of the largest and most sophisticated companies globally. By integrating its treasury command center into Ripple’s technology stack, we enable businesses to manage and optimize liquidity in real-time, across both traditional and digital assets.Become a part of our mission to revolutionize corporate treasury and the infrastructure that powers the Internet of Value.We are looking for a forward-thinking Staff Software Engineer who is passionate about developing a world-class platform in collaboration with a talented team. Your role will focus on driving technical excellence in application development, from design through implementation and maintenance.Key Responsibilities:Collaborate with architects and product managers to design, estimate, and implement innovative application features across front-end, server-side, and database tiers.Utilize Azure services to develop powerful, scalable, and resilient cloud-based solutions.Enhance software applications and manage delivery pipelines, feature flags, ensuring smooth integration and deployment.Conduct thorough unit, integration, and non-functional (performance, security) testing to ensure production readiness of our software.Employ observability tools and logging to troubleshoot and resolve issues across development, testing, and production environments.Stay updated on technology trends, explore new technologies, engage with tech communities, mentor fellow engineers, and lead technical design and code evaluations.Continuously seek improvements in team operations, processes, methodologies, and technology choices, aiming for excellence in every practice.

The Team The Storage Layer Services (SLS) team at MongoDB is pioneering the re-architecture of our cloud storage layer, fundamentally enhancing the core of our next-generation cloud storage architecture. This innovative team is dedicated to developing high-performance, multi-tenant distributed storage services that elevate the current Atlas storage stack and facilitate the efficient execution of diverse customer workloads. As a member of this team, you will collaborate closely with engineers responsible for building these storage services. Your role will involve defining Service Level Objectives (SLOs), shaping capacity plans, and ensuring the reliability, durability, and operational safety of the storage layer that supports Atlas. You will be part of a select group of senior Site Reliability Engineers (SREs), playing a vital role in the execution of a strategic multi-year roadmap for MongoDB's cloud storage architecture. We are particularly eager to connect with candidates located in Dublin, as this role follows a hybrid working model.

Join Klaviyo as a Site Reliability Engineer II in Dublin, where you'll play a pivotal role in ensuring the reliability, scalability, and sustainability of our critical platforms. Our approach treats reliability as a core product feature, leveraging your engineering skills to tackle complex operational challenges. You'll collaborate with a dynamic team to enhance our infrastructure, security, and software engineering practices, ensuring our systems perform optimally at scale. Your contributions will directly influence how our engineering teams build software and how our customers engage with our platform daily.

At Intercom, we are pioneering the future of customer service through artificial intelligence. Our mission is to empower businesses to create exceptional customer experiences.Our flagship AI agent, Fin, represents the forefront of customer service technology. By offering seamless, 24/7 support, Fin enhances customer interactions and redefines service excellence. When paired with our Helpdesk, it evolves into the Intercom Customer Service Suite, which provides AI-enhanced solutions for intricate queries that necessitate human intervention.Founded in 2011 and trusted by nearly 30,000 businesses globally, Intercom is establishing a new benchmark in customer service. Our commitment to innovation drives us to push boundaries, work with urgency, and consistently deliver outstanding value to our clients.What is the opportunity?We are on the lookout for Staff Product Engineers to join our AI Group, focusing on the development of AI-driven products. As a Product Engineer specializing in machine learning (ML), you will collaborate closely with both our ML Scientists and product teams. A deep understanding of our products, customers, and technological framework is essential.Your role will involve defining new ML features, exploring suitable algorithms and technologies, and rapidly delivering prototypes to our customers.We are a highly product-focused team that collaborates with Product and Design teams across the organization. Our dedicated engineers enable quick transitions to production, often releasing beta versions within weeks following successful offline testing.We are passionate about leveraging machine learning technology, having successfully productized a range of solutions from traditional supervised models to innovative applications of transformer neural networks. Our commitment to testing and measuring the real-world impact of each model we deploy is unwavering.If you are an experienced product engineer with a strong analytical mindset and hands-on experience with ML systems, we invite you to connect with us!

Join Toast, Inc. as a Staff Software Engineer in the FinTech sector, where you will be instrumental in building innovative financial solutions to empower businesses. We are looking for a skilled engineer with a passion for technology and a commitment to excellence. You'll collaborate with cross-functional teams to deliver robust software solutions that enhance our financial services platform.

At Crusoe, we are on a mission to drive the future of energy and intelligence. Our innovative platform empowers individuals to harness the full potential of artificial intelligence without compromising on scalability, speed, or sustainability.Join the forefront of the AI revolution with Crusoe's sustainable technology. Here, you'll be instrumental in pioneering transformative innovations, making a significant impact, and collaborating with a team that is redefining responsible cloud infrastructure.About the Role:As a Software Engineering Intern, you will be part of a dedicated team shaping the future of distributed systems technology. This 12-week, full-time internship in our Dublin office offers a unique opportunity to contribute to the development of a robust cloud infrastructure that supports groundbreaking advancements in fields such as artificial intelligence, graphics rendering, and computational biology. You won't just observe; you'll take on real responsibilities, tackle production-level challenges, and play a key role in Crusoe's vision for sustainable and ethical high-performance computing.Throughout your internship, you will engage in impactful projects that extend beyond traditional classroom learning. Benefit from one-on-one mentorship from industry veterans and collaborate with a diverse group of engineers to construct fault-tolerant systems utilized by customers across the globe. We are looking for motivated, inquisitive, and proactive students ready to forge valuable connections and launch their careers by addressing today's most challenging computational problems.Your ResponsibilitiesSystem Development: Design, implement, and maintain scalable, highly available, and fault-tolerant distributed systems to support demanding computational workloads.Product Development: Innovate and create cutting-edge products and tools from inception that will be leveraged by a global user base.Production Support: Identify, troubleshoot, and resolve complex issues in production environments to maintain platform reliability.Feature Development: Collaborate with product owners and stakeholders to design, test, and iterate on new features that enhance platform capabilities.Team Collaboration: Work closely with senior engineers and peers to ensure technical tasks align with broader organizational objectives.Mentorship Opportunities: Engage in dedicated mentorship sessions to accelerate your growth and deepen your technical expertise.

This hybrid role is based in Dublin, Ireland (Full relocation provided). At Toast, we are dedicated to empowering restaurants and local businesses to thrive in a digital world. Our innovative technology solutions assist business owners in operating efficiently, boosting sales, engaging customers, and fostering employee satisfaction. Our Mission Toast is proud to be the leading hospitality platform in the United States, and we are now setting our sights on global expansion. As a member of our International team, you will help build the foundational systems necessary for launching Toast into new markets. Join our high-impact engineering team that takes ownership of solving complex technical challenges in a dynamic setting. We seek leaders who excel in technical capabilities while maintaining a strong product focus to foster continuous growth for both our team and platform. Your Role (Responsibilities) Lead intricate projects within a collaborative cross-functional environment. Coordinate our backend services to facilitate internationalization across both restaurant and cloud software. Design, build, deploy, and maintain robust and scalable systems that are essential for our customers’ success. Refine our technical strategies for data management to support our international initiatives. Provide mentorship and technical guidance to fellow team members, spearheading technical discussions and promoting best engineering practices. Engage directly with pilot customers (occasionally on-site) to ensure seamless delivery and operations. Champion best coding practices, elevating standards for yourself, your team, and the organization. Utilize cutting-edge AI tools to enhance your development workflow, boost productivity, and contribute to a culture of innovation and efficiency across the team.

Role overview The Staff Software Engineer - Backend Development at Ripple will focus on designing and building scalable backend systems in Dublin, Ireland. This position plays a central role in supporting the platform’s performance and reliability. Regular collaboration with cross-functional teams is expected. What you will do Partner with engineers and other groups to design backend architecture Develop systems that enhance platform reliability and scalability Help set technical direction for products and backend solutions Offer ideas and contribute code to address evolving customer needs

At Intercom, we pride ourselves on revolutionizing customer service through advanced AI technology. Our mission is to empower businesses to deliver exceptional customer experiences.Our leading AI agent, Fin, is recognized as the most sophisticated customer service solution available, enabling businesses to provide consistent, high-quality support. By integrating Fin with our Helpdesk, we offer a comprehensive solution—the Intercom Customer Service Suite—designed to tackle complex inquiries that necessitate human intervention.Founded in 2011 and trusted by nearly 30,000 companies worldwide, Intercom is redefining customer service standards. Our core values drive us to push boundaries, innovate rapidly, and consistently deliver unparalleled value to our clients.What is the opportunity?We are actively seeking Staff Product Engineers to join our AI Group, focusing on the development of Intercom's AI-driven products. As a Product Engineer in machine learning (ML), you will collaborate closely with both our ML Scientists and product teams, ensuring a deep understanding of our products, customer needs, and the ML technology stack.This group is responsible for defining innovative ML features, researching suitable algorithms and technologies, and swiftly delivering prototypes to our customers.Our team prioritizes product excellence, working in partnership with Product and Design teams. Our dedicated engineers enable us to deploy quickly, often reaching beta stages within weeks after successful offline testing.We are passionate about leveraging machine learning technology, having productized everything from traditional supervised models to groundbreaking unsupervised clustering algorithms and advanced transformer neural networks. We rigorously test and measure the real-world impact of each model we implement.If you are a seasoned product engineer with an analytical mindset and hands-on experience with ML systems, we want to hear from you!

Join Stripe as a Staff Engineer in our Production Engineering team, where you will play a critical role in building and maintaining scalable systems.As a leader in this innovative environment, you will collaborate with cross-functional teams to optimize our infrastructure and enhance the reliability of our services. You will leverage your expertise to influence product design and architecture decisions, ensuring the highest performance and availability.

Toast, Inc. is looking for a Staff Software Engineer to join the Team Agent group in Dublin. This role centers on building and improving software that directly impacts the customer experience. Collaboration is a key part of the work, with regular interaction across engineering and product teams to support Toast’s broader technical goals. Key responsibilities Design and develop software solutions for the Team Agent division Work alongside engineers, product managers, and other stakeholders to deliver features Create systems that address customer needs and align with business objectives Contribute to ongoing engineering projects and support team progress Location This position is based in Dublin.

Join Toast, a pioneering technology company dedicated to empowering the restaurant industry through innovative software solutions. As a Staff Software Engineer focused on international operations, you will play a crucial role in shaping our global product offerings. Your expertise will help enhance the performance and reliability of our platforms, ensuring that we meet the diverse needs of our international clients.

This position offers flexible work arrangements: Office, Hybrid, or Remote within Ireland.We are seeking a talented Senior Software Engineer to join our dynamic Engage Product Group within the Flywheel Product Line.The Engage Product Group is dedicated to transforming HubSpot's Go-To-Market (GTM) sales teams by empowering our sales representatives with cutting-edge AI technology, enabling them to meet and exceed their targets. Our team develops, refines, and maintains advanced AI solutions that significantly enhance closed-won rates by utilizing AI to qualify inbound leads, deliver actionable insights and coaching, and create personalized demo instances for every HubSpot prospect through sophisticated multi-agent systems.In this role, you will be instrumental in constructing a reusable, reliable, and intelligent context layer for GTM AI and agents. Our objective is to centralize the storage, search, and retrieval of insights, facilitating rapid experimentation, enhancing insight quality through systematic evaluation and versioning, and equipping flagship agents and guided experiences with consistent, high-quality context.As a Senior Software Engineer, you will be a highly productive, impactful, and trusted contributor who utilizes your expertise to autonomously tackle complex projects and shape technical direction. Your primary focus will be on context for the coming months, with opportunities to collaborate across various teams and product areas as your role evolves.Key Responsibilities:Develop and deploy production code that delivers significant business and GTM outcomes.Design and implement innovative AI features, agents, and insights that enhance GTM efficiency and improve user and prospect experiences.Collaborate within a small, cross-functional team of product engineers, ML engineers, PMs, and designers.Engage with HubSpot colleagues and GTM professionals across the organization.Gain in-depth exposure to HubSpot's GTM processes.We are searching for engineers with a strong business acumen and product mindset, who thrive in addressing real GTM challenges and can navigate ambiguity with autonomy and enthusiasm.While we primarily utilize Java, we value solid programming fundamentals over specific technology experience. To learn more, check out our engineering blog.Desired Qualifications:Proven experience in developing AI products, particularly in GTM contexts, with a history of driving evaluations and innovation based on cutting-edge model advancements.Experience in building...

Join Toast, Inc. as a Staff Software Engineer and take the lead on innovative projects that shape the future of our technology. In this role, you will work collaboratively with cross-functional teams to design, develop, and implement high-quality software solutions. Your expertise will help drive technical direction and mentor junior engineers, fostering a culture of continuous improvement.

Join the innovative team at MongoDB as a Staff Software Engineer specializing in Server Ingress Security. In this pivotal role, you will be responsible for designing and implementing robust security solutions that protect our server infrastructure from unauthorized access and potential threats. Your expertise will play a crucial part in enhancing the security posture of our applications, ensuring seamless and secure connectivity for our users.

About SeapointSeapoint is revolutionizing the financial landscape for European startups and scale-ups. Our innovative, AI-driven business account streamlines everything from payroll and expenses to invoice payments and reporting, all centralized in one platform.Founded by Sean Mullaney, the former European CIO at Stripe, alongside a talented team of alumni from renowned companies such as Stripe, Wise, Wayflyer, Nubank, and Tide, we have successfully secured $3M in pre-seed funding led by Frontline Ventures. After nine months of dedicated development, we are now in private beta, collaborating with numerous VC-backed startups that are finally gaining the comprehensive financial insights they've been seeking.We are tackling a genuine challenge: European startups often find themselves caught between the inadequacies of neobanks and the overwhelming complexity of traditional corporate banking. Many are forced to manage 4-6 different financial products manually while earning no interest on their cash deposits. Our solution employs AI automation to alleviate this burden, allowing founders to devote more time to growing their businesses instead of managing spreadsheets.Explore more about our vision here.About the RoleHelp define the technical framework of startup finance.As a Staff Engineer, you will spearhead architectural decisions across our platform, mentor engineering teams, and tackle the toughest technical challenges we encounter. Whether it’s scaling our multi-tenant financial infrastructure or developing integrations with banks and other fintech partners, you will play a crucial role in ensuring reliability at scale.We are seeking leaders from diverse backgrounds who are enthusiastic about creating innovative solutions. You will collaborate with founders and senior engineers experienced in building financial infrastructure at scale, addressing the unique challenges that startups face.While we primarily use a modern stack featuring Typescript, bun, PostgreSQL, and various AWS services, we value curiosity and are always open to exploring new software development methodologies and AI tools.RequirementsKey Qualities: Technical expertise, system design proficiency, and the capability to convert complex problems into elegant solutions that facilitate growth for thousands of startups.If you're eager to create the infrastructure that empowers the next generation of companies, we want to hear from you.