Software Engineer II

Join Pinterest as a Software Engineer II, where you'll be part of a dynamic team dedicated to shaping the future of visual discovery. In this role, you will design, develop, and maintain high-quality software solutions that enhance user experiences. Collaborate with cross-functional teams to deliver innovative features that align with our mission of bringing everyone the inspiration to create a life they love.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each Klaviyo (as we refer to ourselves) contributes to our vibrant workplace. We believe in providing equitable opportunities for success and value the unique insights each individual brings beyond conventional job qualifications. If you find yourself closely aligned with this description, we encourage you to apply. To explore more about life at Klaviyo, visit klaviyo.com/careers and discover how we empower creators to shape their own futures.Team Overview:The Amplify Engineering team is responsible for developing internal tools, platforms, and AI-driven automation that enhance the productivity and scalability of our operations as Klaviyo continues to grow. We collaborate across various departments, including Sales, Marketing, Engineering & Product, Customer Service & Success, and Finance, to address real operational challenges with thoughtfully designed software solutions.Our projects encompass internal applications, third-party integrations, interactive dashboards, CMS integrations, and sophisticated AI systems that automate repetitive tasks, deliver timely information, and support better decision-making. We thrive on rapid feedback from our internal clients, enabling us to ship solutions quickly, learn swiftly, and witness the immediate effects of our contributions on deal acceleration, ticket resolution, and smoother product launches.This position is tailored for software engineers who are passionate about transforming real-world challenges into dependable, scalable solutions. The work you do will be highly visible, directly influencing how thousands of Klaviyos accomplish their daily tasks.How You’ll Make an Impact:The Amplify team is at the forefront of building the internal platforms, automation, and AI systems that drive our daily operations at Klaviyo. As a Software Engineer II on Amplify, you will:Design, develop, and maintain critical internal products and platforms, including web applications, APIs, data and event pipelines, and AI workflows that are essential for Sales, Marketing, Customer Service & Success, R&D, and Finance teams. You will take ownership of features and small-to-medium projects from inception through deployment and iterative improvement.

Join our innovative team as an AI Software Engineer II at Dun & Bradstreet in Dublin, Ireland. In this role, you will be responsible for developing advanced AI solutions that drive business insights and enhance decision-making processes. You will collaborate with cross-functional teams to design, implement, and optimize machine learning models and algorithms. Your expertise will contribute to the creation of scalable AI applications that meet the needs of our clients.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each team member—affectionately known as Klaviyos—brings to our dynamic workplace. We believe in equitable opportunities for success and value the unique insights that every individual contributes beyond standard job qualifications. If you find that your experience closely aligns with our needs, we encourage you to apply even if you don't meet every requirement. To discover more about life at Klaviyo, please visit klaviyo.com/careers to see how we empower creators to own their destinies.Team OverviewThe Infrastructure Security team ensures that engineers can effortlessly make secure choices while developing top-tier software at remarkable speeds. Security is integrated by default—creating a seamless experience that enhances both the engineers' workflow and Klaviyo's overall security posture.Our initiatives sit at the crossroads of security, infrastructure, and software engineering, as we design and build cloud-native platforms and services that are reliable, secure, and high-performing on a global scale—forming the essential backbone for all Klaviyo engineers.This position is ideal for engineers who are passionate about constructing modern distributed systems, prioritize security and reliability, and wish to make a significant impact within a large engineering organization.Your ImpactAs a Software Engineer on the Infrastructure Security team, you will design and maintain the systems that empower Klaviyo engineers to deliver secure software confidently. Your responsibilities will include:Architecting, developing, and maintaining cloud-native security services utilized throughout Klaviyo.Taking ownership of key components and services from initial implementation to production deployment.Enhancing the availability, scalability, latency, and efficiency of infrastructure security systems.Collaborating with senior engineers on system design and architecture, contributing innovative ideas and technical solutions.Identifying and addressing performance, reliability, and security concerns in distributed systems.Utilizing cutting-edge technologies such as Python, Golang, AWS, Kubernetes, Terraform, and modern data storage solutions.Actively engaging in design reviews, code reviews, and collaborative brainstorming sessions.

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.

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.

CarGurus has built a reputation as a trusted automotive marketplace, helping people navigate car buying and selling with confidence. The company’s platform supports millions of monthly visitors and thousands of dealerships, offering tools for selling, financing, purchasing, and delivery. With a foundation in transparency and a culture that values kindness, collaboration, and innovation, CarGurus encourages employees to grow their careers and contribute to ongoing evolution in the automotive space. The International team in Dublin is looking for a Software Development Engineer II. This role centers on product initiatives for the Canadian and UK markets and provides an opportunity to influence the culture of a growing office. Role overview This position covers the full software development lifecycle, spanning both frontend and backend work. Software Development Engineers at CarGurus work closely with Engineering and Product teams to develop solutions and address complex challenges for dealer-facing products. What you will do Build new full-stack features for dealer products from the ground up Integrate and enhance existing services using React, TypeScript, and Java Implement integrations with third-party APIs and partners Engineers in this role take ownership of projects from start to finish, collaborating with teammates and product partners to deliver results for international markets. Automotive industry experience is not required; the team values strong engineering skills and a drive to create new solutions.

About TelnyxAt Telnyx, we are not just envisioning the future of global connectivity—we are actively creating it. Our dedication to constructing a private, global, multi-cloud IP network empowers seamless interconnection between people, devices, and applications through innovative solutions, including hyperlocal edge technology delivered via intuitive APIs.Our aim is to revolutionize outdated systems, automate manual processes, and address real-world challenges through cutting-edge connectivity solutions. We take pride in our financial stability and profitability, which allows us to invest in pioneering technologies while nurturing an environment for continuous learning and career growth.Join us in our vision of a world where borderless connectivity drives limitless innovation. We are eager to welcome passionate individuals who are excited about contributing to an industry-leading company while enhancing their own skills and careers.The OpportunityOur AI teams are at the forefront of developing reliable, low-latency microservices using advanced, cloud-native technologies. This position is a key part of our larger AI organization, focusing on crafting the platforms, services, and tools that underpin AI-driven products—encompassing areas such as inference, embeddings, APIs, data flows, and observability.In this fast-paced role, you will prioritize reliability, performance, and usability alongside innovation. While some squads concentrate on inference pipelines and LLM tooling, others delve into foundational platforms, troubleshooting, reliability, data systems, or observability—each critical to deploying AI solutions at scale.

About SeapointSeapoint is revolutionizing financial management for European startups and scale-ups. We offer an AI-driven business account that consolidates payroll, expenses, invoice payments, and reporting into a single platform, simplifying financial operations.Founded by Sean Mullaney, former European CIO at Stripe, alongside a talented team of alumni from Stripe, Wise, Wayflyer, Nubank, and Tide, we recently secured $3M in pre-seed funding from Frontline Ventures. After nine months of dedicated development, we are now in private beta, collaborating with numerous VC-backed startups who are gaining unprecedented visibility into their financial landscapes.Our mission is clear: to bridge the gap for European startups caught between the limitations of neobanks and the complexities of traditional banking. By automating the tedious aspects of finance through AI, we empower founders to focus on what truly matters—the growth of their businesses.Discover more about our innovative solutions here.About the RoleWe are seeking an experienced AI Software Engineer to take ownership of and enhance the intelligent systems that fuel our financial platform. You will directly influence how founders manage their finances by developing AI features that enrich transaction data, automate invoice matching, and provide insightful reporting and forecasting.Key ResponsibilitiesVendor Enrichment Pipeline: Enhance our existing system that aggregates bank transactions from various sources (open banking, accounting software, email invoices) and enriches them with vendor details. This role includes improving search accuracy, normalization logic, and data integration.Invoice Management Automation: Expand the AI capabilities behind our bill payment product, which scans invoices and matches them to transactions. There is significant potential for enhancements in risk assessment, beneficiary creation, and payment automation.AI Evaluation Infrastructure: Advance our evaluation framework by utilizing a dedicated environment to test AI prompts and agents. Implement industry best practices for accurately measuring AI system performance.Feature Development: Spearhead technical discovery for AI-driven functionalities across reporting, forecasting, and other essential areas. Propose and scope innovative capabilities that enrich the financial experience for business owners, steering us towards agent-based systems.

Join Toast, Inc. as a Software Engineer II specializing in Full Stack development, where you will play a pivotal role in designing, developing, and maintaining innovative software solutions. Collaborate with cross-functional teams to deliver high-quality applications that enhance user experience and drive business objectives.

Why Join PlayStation?At PlayStation, we don’t just create the best gaming experiences; we also strive to be the best workplace. Recognized globally for our innovative contributions to entertainment, we produce the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and a diverse array of acclaimed titles from PlayStation Studios.We are committed to fostering an inclusive environment that celebrates diversity and empowers our employees. If you have a passion for technology, innovation, and gaming, we invite you to explore our available positions and become a part of our dynamic global team.The PlayStation brand operates under Sony Interactive Entertainment, a fully-owned subsidiary of Sony Group Corporation.Job OverviewAre you a motivated software engineer with a keen interest in kernel security? PlayStation is on the lookout for a talented developer to enhance our kernel security capabilities as part of our exceptional team in Dublin, Ireland. This is a golden opportunity to engage with cutting-edge technology while playing a crucial role in fortifying our systems' security. If you have a drive for perfection in your solutions and a proven expertise in the field, we want to connect with you!Primary ResponsibilitiesIn the role of Software Engineer - Kernel Security, you will be tasked with:Developing, enhancing, and maintaining kernel security features for PlayStation systems.Collaborating with cross-functional teams to successfully implement security enhancements.Diagnosing and resolving complex security challenges within the kernel.Monitoring and analyzing security threats to determine optimal response strategies.Contributing to open-source projects related to kernel security.Ensuring code quality through diligent testing and comprehensive code reviews.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each member, affectionately known as a Klaviyo, brings to our vibrant workplace. We believe in providing every individual with a fair opportunity for success and value the unique experiences beyond traditional job qualifications. If you feel you closely align with this description but don't meet every requirement, we encourage you to apply. Curious about life at Klaviyo? Visit klaviyo.com/careers to explore how we empower creators to shape their own destinies.Team Overview:The Amplify Engineering team is dedicated to building cutting-edge internal tools, platforms, and AI-driven automation that enhance the efficiency and scalability of Klaviyo as we expand. We collaborate across various departments, including Sales, Marketing, Engineering & Product, Customer Service & Success, and Finance, to address real operational challenges with innovative software solutions.Our projects encompass internal applications, third-party integrations, interactive dashboards, CMS integrations, and robust AI systems that automate repetitive tasks, deliver timely information, and assist teams in making informed decisions. We thrive on tight feedback loops with our internal customers, enabling us to ship rapidly, learn continuously, and witness the tangible impact of our efforts on speeding up deals, resolving tickets promptly, and facilitating smoother launches.This position is tailored for lead engineers who are passionate about transforming real-world challenges into reliable, scalable solutions. The work you will do is highly visible and directly influences how thousands of Klaviyos accomplish their daily tasks.How You’ll Make an Impact:As part of the Amplify team, you will be instrumental in creating the internal platforms, automation, and AI systems that drive the daily operations of Klaviyos. As a Lead Software Engineer on Amplify, your responsibilities will include:Providing technical leadership and guidance for a suite of Amplify systems, including internal web applications, APIs, data pipelines, and AI workflows utilized by Sales, Marketing, Customer Service & Success, R&D, and Finance teams. You will play a crucial role in ensuring these systems are reliable, scalable, secure, and easy to evolve.Formulating...

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.

About the TeamAt OpenAI, our Forward Deployed Engineering team collaborates with clients to transform groundbreaking research into impactful production systems. We operate at the nexus of client delivery and core platform innovation.About the RoleWe are seeking customer-centric software engineers passionate about developing tailored solutions that harness OpenAI’s APIs to address real-world challenges. As a Forward Deployed Software Engineer (FDSWE), you will engage with both our customers and OpenAI’s engineering teams to architect and deploy scalable solutions that tackle their most complex issues. You will design effective abstractions to enhance our delivery speed and quality across all Forward Deployed interactions.In this role, you will work closely with Sales, Solutions Engineering, Solutions Architects, and Customer Success Managers dedicated to the same accounts. Additionally, you will collaborate with our Research and Applied Product Engineering teams to relay valuable customer insights.This position is based in Dublin, utilizing a hybrid work model of three days in the office weekly. Relocation assistance is available, and travel may be required up to 50%.Your Responsibilities Will Include:Engaging closely with key customers to thoroughly understand their business needs and technical specifications.Designing and developing comprehensive full-stack solutions using an iterative, experimentation-driven methodology.Drafting detailed scopes of work and project timelines for both proof-of-concept and full-scale implementations.Acting as a technical expert and trusted advisor, working hands-on with customer technical teams to drive projects to fruition.Collaborating with Product, Research, and Applied teams to ensure exceptional customer experiences, successful project completions, and constructive product feedback.Contributing to internal knowledge repositories, codifying best practices and sharing insights from customer engagements to enhance the Forward Deployed Engineering function.You Will Excel in This Role If You Have:A minimum of 7 years of full-stack engineering experience (excluding internships) in tech-centric roles, with customer-facing experience being highly advantageous.Proficiency in programming languages and frameworks relevant to full-stack development.A strong understanding of software architecture, design patterns, and best practices for scalable applications.Excellent problem-solving skills and the ability to think critically in complex situations.Outstanding communication skills, with the ability to convey technical concepts to non-technical stakeholders.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each Klaviyo (as we call ourselves) brings to our dynamic workplace. We believe in providing every individual with a fair opportunity for success, valuing the unique contributions beyond conventional job qualifications. If you find that you align closely with the requirements but not perfectly, we encourage you to apply. Curious about what it's like to work at Klaviyo? Visit klaviyo.com/careers to discover how we empower creators to shape their own futures.Team Overview:The Amplify Engineering team is dedicated to developing innovative internal tools, platforms, and AI-driven automation that enhance operational efficiency at Klaviyo as we expand. We collaborate closely with various departments—including Sales, Marketing, Engineering & Product, Customer Service & Success, and Finance—to address real operational challenges through thoughtfully designed software solutions.Our projects encompass internal applications, third-party integrations, interactive dashboards, CMS integrations, and sophisticated AI systems that automate mundane tasks, deliver timely information, and empower teams to make informed decisions. We thrive on rapid feedback loops with our internal stakeholders, enabling us to deliver quickly, learn effectively, and witness the immediate impact of our contributions on speeding up deals, resolving tickets promptly, and streamlining launches.This position is tailored for senior engineers who are passionate about transforming real-world challenges into dependable, scalable solutions. The work is highly visible and significantly influences how our Klaviyos accomplish their tasks daily.Your Impact:As a Senior Software Engineer on the Amplify team, you will play a crucial role in designing, developing, and maintaining complex internal products and platforms, including internal web applications, APIs, data and event pipelines, and AI-enhanced workflows utilized by our Sales, Marketing, Customer Service & Success, R&D, and Finance teams.Lead the complete lifecycle of projects and features—from initial discovery and technical design through implementation and post-launch support.

Join Toast Inc. as a Full Stack Software Engineer II in our Guest Engagement team. In this role, you will develop innovative software solutions to enhance our guest engagement platform, contributing to a seamless dining experience for customers worldwide.As a Full Stack Engineer, you will work on both the front-end and back-end components of our applications, collaborating with cross-functional teams to deliver high-quality software. Your expertise will help shape the future of how guests interact with our services.

At Intercom, we are revolutionizing customer service with our AI-driven platform, dedicated to empowering businesses to deliver outstanding customer experiences.Our flagship AI agent, Fin, represents the pinnacle of customer service innovation, enabling companies to provide 24/7, top-notch support that enhances customer interactions. Integrated with our Helpdesk, the Intercom Customer Service Suite is designed to tackle complex queries requiring human intervention, ensuring seamless service.Since our inception in 2011, we have gained the trust of nearly 30,000 businesses globally, setting new benchmarks for excellence in customer service. Our commitment to our core values drives us to break new ground, innovate rapidly, and create unmatched value for our clients.What’s the opportunity?As a Senior Software Engineer at Intercom, you will tackle real-world customer challenges through the strategic and efficient application of your technical expertise. You will join a multidisciplinary product team, collaborating closely with designers, product managers, researchers, and data analysts to build robust backend and frontend systems.With exciting scaling challenges ahead, you will have the opportunity to leverage your skills in areas like enhancing our messenger composer, improving rule matching, ensuring app security, optimizing deliverability, and implementing machine learning solutions.

Speechify builds text-to-speech tools that help over 50 million people convert written content, PDFs, books, Google Docs, news, and websites, into audio. Our products span iOS, Android, Mac, Chrome, and web. Recent recognition includes Chrome Extension of the Year from Google and Apple’s 2025 Design Award for Inclusivity. The company operates fully remote, with nearly 200 team members worldwide. The team includes frontend and backend engineers, AI researchers, and alumni from Stanford, Amazon, Microsoft, Google, Stripe, Vercel, and Bolt. Role overview This Software Engineer position sits within the AI team and focuses on data infrastructure and acquisition. The work centers on optimizing data collection and building large-scale, high-quality datasets to support model training. The team combines infrastructure, engineering, and research to deliver petabyte-scale data pipelines. What you will do Identify and integrate new audio data sources into the ingestion pipeline Manage and extend cloud infrastructure on Google Cloud Platform (GCP) using Terraform Collaborate with scientists to improve data quality, throughput, and cost-effectiveness for next-generation models Work with the AI team and company leadership to shape the strategic roadmap for datasets powering Speechify’s consumer and enterprise products Location This role is based in Dublin, Ireland. The team works fully remotely.

Role Overview Version1 is hiring an AI Engineer in Dublin to support projects across the public sector and utilities. This position suits mid-senior professionals with a strong interest in artificial intelligence and its use to improve public services.

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...