Senior Backend Engineer - Tooling

About the RoleWe are seeking a highly skilled Senior Automation and Tools Engineer to enhance our platform's scalability, reliability, observability, and operational excellence. In this pivotal role, you will collaborate with engineers and data scientists to design, automate, and sustain the infrastructure that drives our core platform, which includes data pipelines, machine learning workloads, and real-time analytics systems.This is a hands-on, impactful position with visibility across the tech stack, providing a unique opportunity to influence the future of our infrastructure and operations.Key ResponsibilitiesCollaborate closely with Site Reliability Engineers (SREs) and developers to automate and manage datacenter and cloud-based infrastructure, focusing on build and deployment systems, as well as configuration management.Enhance system reliability and performance through automation, observability, and proactive capacity planning.Develop and configure tools for datacenter provisioning, configuration management, and observability using both standard and custom tools.Elevate developer experience by providing self-service tools.Implement and uphold monitoring, alerting, and incident response processes including Service Level Objectives (SLOs), runbooks, and on-call rotations.Foster collaboration across engineering and data science teams to cultivate a culture of performance and reliability.Maintain security, compliance, and operational readiness across our physical and cloud infrastructures.Lead post-incident reviews and continuous improvement initiatives.

As a Senior Tooling Quality Engineer at Oura Health, you will play a pivotal role in ensuring the precision and reliability of our tooling processes. You will collaborate with cross-functional teams to refine tooling methodologies, enhance quality control protocols, and drive continuous improvement initiatives. Your expertise will be vital in maintaining high standards of quality in our manufacturing processes.

Join Handshake as a Senior Software Engineer specializing in Operator Tooling. In this role, you will be instrumental in enhancing our operational efficiency through innovative tooling solutions. Your expertise will help streamline processes and empower our operators to deliver exceptional outcomes.

Join Scale AI as a Senior Software Engineer where you will play a crucial role in designing, developing, and managing secure and scalable infrastructure that empowers our team to excel in their work. You will collaborate with an innovative, agile, and solution-focused team dedicated to automating processes in identity and access management, endpoint management, and our extensive SaaS ecosystem. The right candidate will harness a variety of internal and external platforms to create applications, Slackbots, and dashboards for internal users while optimizing intricate workflows through automation. Your contributions will significantly enhance the operational efficiency of all General and Administrative teams within the company.Your Impact:As a full-stack engineer (60% backend / 40% frontend), you’ll collaborate with your team to create exceptional tools and applications for both internal use and external partners.You will be responsible for designing, developing, testing, and supporting full-stack applications on cloud-native distributed systems.You will establish real-time integrations with SaaS platforms across the organization.Develop a comprehensive quality framework/unit tests to ensure product performance, quality, and load handling, while effectively debugging and identifying system issues.Engage with broader teams, participate in engineering councils, conduct code reviews, and enhance our delivery processes.Work closely with the IAM team to manage cloud-based identity (Okta) and access controls, ensuring adherence to security protocols and standards for internal applications.Collaborate cross-functionally to identify opportunities for technological improvements and implement self-service solutions.

Samsara seeks a Senior Firmware Automation Engineer based in San Francisco (SF9). This position centers on enhancing the process of developing and delivering firmware. Role overview The Senior Firmware Automation Engineer will work with teams throughout the company. The main responsibility is to design and implement automation that improves the quality of firmware releases. Collaboration Close coordination with other groups at Samsara is essential. The role requires understanding the needs of different teams and applying automation solutions that support consistent, reliable firmware delivery.

About Us:Parabola is an innovative workflow builder that simplifies the process of organizing and transforming complex data from various sources, including PDFs, emails, and spreadsheets. Our goal is to empower forward-thinking teams to automate tasks that they previously believed required manual intervention.Prominent companies such as Brooklinen, On Running, and Flexport rely on Parabola to save countless hours and tackle ambitious projects that once seemed unattainable. Whether it’s reconciling inventory from multiple third-party logistics providers, auditing invoices, or the repetitive task of exporting reports every week, Parabola enables teams to automate these processes without needing engineering resources.We are proudly backed by esteemed investors including OpenView Partners, Matrix Partners, and Thrive Capital.About the Role:As a pivotal member of the Automation Engineering team at Parabola, you will be instrumental in helping our largest and most strategic clients realize the full value of our offerings. Your journey will begin in the sales cycle, where you will collaborate closely with customers and Account Executives to establish success metrics and actionable plans for efficient value delivery. Through a combination of training sessions, interactive workshops, and hands-on support, you will work alongside our Mid-Market and Enterprise clientele to design and implement AI-driven workflows that automate intricate business operations and unveil new efficiencies. Your leadership will guide customers from initial design to successful execution, ensuring that each solution provides sustained impact and value, and that customers enjoy a premier onboarding experience, a smooth transition to our Customer Experience team, and a solid foundation for success with our product.About You:You are passionate about customer success. You empathize with their challenges, share in their victories, and celebrate their “ah-ha!” moments as if they were your own. Possessing a natural talent for solving complex problems, you dive deep into understanding customers’ systems, industries, and internal processes. You are equipped with both soft skills for relationship building and technical skills for troubleshooting APIs, querying databases, prompting advanced AI models, and constructing effective Parabola workflows. Your experience includes managing multiple projects simultaneously and working with Mid-Market and Enterprise clients. Above all, you are enthusiastic, confident, and personable, representing our company with pride and advocating for the customers you support.

Mesh is building technology to make cryptocurrency payments practical for everyday use. The company’s orchestration engine and consumer app help unlock liquidity from tokenized assets, aiming to support global commerce. Mesh is headquartered in San Francisco and operates internationally, with backing from investors including PayPal Ventures, Paradigm, and Galaxy Ventures. Role overview The Senior QA Automation Engineer leads quality engineering across Mesh’s development lifecycle. This position designs and maintains automation frameworks, sets quality standards, and works to embed quality into every stage of product development. Collaboration is key: expect to work closely with engineers, product managers, and designers to deliver reliable Web3 experiences. Teams span North America, Europe, and India. What you will do Design, build, and maintain end-to-end test automation frameworks using tools such as Playwright. Create test strategies that cover the full stack, including UI, APIs, smart contract interactions, and wallet flows. Develop and maintain tests for Web3 user journeys, such as wallet connections, transaction signing, contract interactions, and on-chain state checks. Integrate automated test suites into CI/CD pipelines and monitor their health over time. Use AI-driven development tools (for example, Copilot, Cursor, Claude) to accelerate test writing and framework development, and share best practices with the team. Identify gaps in test coverage, set priorities, and drive ongoing improvement. Promote a culture of quality within engineering. Stay current with new testing tools, frameworks, and developments in the Web3 space. Requirements At least 7 years of experience in QA engineering, with a strong focus on automation. Extensive hands-on experience with Playwright and/or Cypress. Familiarity with other tools such as WebdriverIO, Selenium, or Puppeteer is a plus. Proficiency in automation frameworks and quality assurance best practices (additional technical requirements were not specified in the source). Location This position is based in San Francisco, CA, and involves collaboration with Mesh’s distributed teams.

We are seeking a highly skilled Senior Automation Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining automated testing frameworks and tools that ensure our software products meet the highest quality standards. Your expertise will play a critical role in enhancing our automation processes and driving efficiency across our operations.

Join Airwallex as a Senior Software Engineer - AI ToolsAre you ready to make a significant impact in the world of global finance? At Airwallex, we are the leading unified payments and financial platform for businesses around the globe. Our innovative solutions empower over 200,000 businesses, including industry giants like Brex, Qantas, and SHEIN, to seamlessly manage everything from accounts to treasury operations.Founded in Melbourne and now boasting a team of over 2,000 talented individuals across 26 offices worldwide, we are valued at $8 billion and supported by top-tier investors such as T. Rowe Price and Visa. If you're eager to take on challenging projects and grow your career, we want you on our team.What We ValueWe seek dynamic builders with a passion for innovation and a desire to take ownership of their work. You should bring a wealth of expertise and a sharp, analytical mindset, driven by our mission and operating principles. Your ability to make quick yet sound decisions while exploring new avenues will be paramount.As a collaborative team player, you will turn groundbreaking ideas into tangible products and drive our projects to completion. Leveraging AI will be key to working efficiently and solving problems swiftly. Join us in addressing complex challenges with exceptional colleagues while advancing your career in the future of global banking.Your RoleAs a Senior Software Engineer focusing on AI tools, your mission will be to maintain the security of over $150 billion in payments across 150,000 companies and thousands of employees.You will collaborate with internal teams to identify impactful projects, such as developing automation tools, managing our extensive log pipelines, and employing AI to enhance team operations. We value versatility and intelligent problem-solving over specific technologies, so you'll have the freedom to choose the best approaches. Additionally, you'll play a crucial role in mentoring junior engineers and contributing to the growth of our exceptional engineering team.

About the TeamAt OpenAI, our Hardware organization is at the forefront of developing silicon and system-level solutions tailored specifically for the demanding requirements of advanced AI workloads. Our team is dedicated to pioneering the next generation of AI-native silicon, collaborating intimately with software and research partners to design hardware that is tightly integrated with AI models. Beyond delivering high-quality silicon for OpenAI's supercomputing infrastructure, we innovate by creating custom design tools and methodologies that propel hardware solutions optimized for AI.About the RoleIn this pivotal role, you will enhance the tooling ecosystem that hardware engineers depend on daily, encompassing hardware compilers, IR transformations, simulation, debugging, and automation infrastructure. Your contributions will bridge software engineering, compiler concepts, and practical hardware workflows, significantly influencing the speed and efficiency of designing next-generation AI systems. Collaborating closely with architects, RTL designers, and verification engineers, you will translate real engineering challenges into sustainable, scalable tooling solutions.Key ResponsibilitiesDevelop and enhance software tools to increase the efficiency of hardware teams: compilation, IR transformations, RTL generation, simulation, debugging, and automation.Extend and integrate hardware compiler stacks (including frontends, IR passes, lowering, scheduling, and code generation to Verilog/SystemVerilog) and connect these with actual design workflows.Enhance developer experience and system reliability: focus on reproducible builds, improved error messaging, quicker iteration cycles, and robust CI and regression infrastructures.Collaborate with designers and verification engineers to transform identified pain points into effective solutions.Engage with RTL as required: analyze and interpret Verilog/SystemVerilog to troubleshoot issues, validate tool outputs, and enhance debuggability.Be prepared to delve deeply into the stack when necessary, including gate-level perspectives, synthesis outcomes, and implementation artifacts.Support PPA optimization efforts by creating analysis and automation around area, timing, and power trade-offs, while improving tools that influence these aspects.Ideal Candidate ProfileProven experience in developing and maintaining software (through projects, internships, research, open-source contributions, or similar).

We are seeking a passionate and skilled Automation Engineer to join our innovative team in San Francisco. In this role, you will be responsible for designing, developing, and implementing automated systems that enhance operational efficiency and product quality. You will collaborate with cross-functional teams to identify automation opportunities and drive process improvements.

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are safe, interpretable, and controllable. Our mission is to ensure that AI technology benefits not just our users, but society as a whole. We are a dynamic and rapidly expanding team of researchers, engineers, policy experts, and business leaders, all working collaboratively to create AI solutions that truly enhance human capability.About the RoleThe Research Tools team at Anthropic is at the forefront of AI safety and capability research, and we require outstanding software solutions to optimize our efforts. As a Senior Software Engineer on this team, you will be pivotal in creating the infrastructure and applications that empower our researchers to conduct complex experiments, iterate rapidly, and derive insights from cutting-edge AI systems.This role merges product development with full-stack engineering. You will collaborate closely with researchers and engineers to understand their workflows, identify roadblocks, and deliver swift solutions that enhance productivity. Whether you are developing interfaces for human feedback on model evaluations, creating platforms for orchestrating experiments, or crafting innovative visualization tools to interpret model behavior, your contributions will significantly advance our mission to build trustworthy AI systems.We seek an individual who thrives in ambiguous environments, possesses a high degree of autonomy, and can swiftly acquire domain knowledge to drive impactful projects from inception to completion.No prior machine learning or research experience is necessary.

Founded in 2007, Airbnb started with two hosts welcoming three guests into their San Francisco home and has since expanded to over 5 million hosts, providing unique stays and experiences for more than 2 billion guests worldwide. Our platform fosters authentic connections between guests and local communities around the globe.Join Our Community: The UI Foundation team at Airbnb boasts a rich history, overseeing our design system, accessibility, motion design, and the essential tooling that links our design processes to product development. Within this framework, the UI Tooling team acts as the crucial bridge between our Design Language System and the daily workflows of hundreds of designers and engineers throughout the organization.UI Tooling is responsible for the platforms, integrations, and tools that facilitate collaboration and efficiency among designers and engineers. This encompasses design tooling, UI engineering workflows, and increasingly, AI-enhanced processes. As we accelerate AI enablement, this team plays a pivotal role in some of Airbnb's most strategic infrastructure initiatives.Your Impact: As the Engineering Manager for UI Tooling, you will provide essential leadership to ensure the team operates with consistency, clarity, and a long-term strategic vision. You will manage and nurture a team of engineers, oversee a multi-year roadmap across UI Tooling's core focus areas, and collaborate cross-functionally with Design, Product, and AI teams to advance the next generation of design and engineering support at Airbnb.This role is critical in facilitating UI Foundation's broader goals. With your leadership, the team will gain the focus and stability required to swiftly implement initiatives that will influence every product team at Airbnb.You will be responsible for strategy and execution across five key domains:AI Utilization of the Design System: Integrating Figma Code Connections, UI Development Skills and Agents, Prototyping Skills and Agents, and Design Skills and Agents.Core UI Development Workflow & Tooling: Component development and documentation tools, design-to-code platforms, and migration tools.Core Design Workflow & Tooling: Design systems, asset management, and collaboration tools.AI-Powered Workflows: Enhancing existing tools with AI capabilities.Cross-Functional Collaboration: Working closely with Design and Product teams to ensure seamless integration of tools and processes.

Join Samsara as a Senior Automation Engineer specializing in Infrastructure. In this role, you will design and implement automated solutions that enhance our infrastructure capabilities. You will work collaboratively with cross-functional teams to ensure our systems operate efficiently and effectively.

At Mercury, every new customer who applies for a bank account represents a new star igniting in a vast universe of possibilities. Initially, it may seem like a mere spark, but a closer examination reveals an intricate constellation of identity verification, ownership checks, sanctions screening, and fraud signals—all interconnected by invisible forces. The Risk Engineering team acts as the guiding navigation system for this expansive universe. Our mission is to safely guide thousands of ambitious individuals through Mercury’s orbit each day—each with a unique trajectory, risk profile, and narrative. We operate at escape velocity: moving swiftly, making confident decisions, and safeguarding the system without hindering the builders who depend on us. When we excel, founders can open bank accounts in delightful minutes rather than days, without needing to worry about the underlying complexities. We are on the brink of a new era. We are developing intelligent AI systems that do not merely assess risk but can reason about it—systems capable of investigating, deciding, escalating, and learning. These agents will enhance our KYC Refresh, EDD, ODD, and compliance workflows, propelling our operations to unprecedented levels of efficiency and scale. Our goal: to reduce manual labor, detect risks earlier, make sharper decisions, and create experiences that are almost magical in their simplicity. Now, we invite you to join us. We are seeking a Senior Software Engineer who is inspired by the prospect of bringing intelligent automation to life within real production systems. We need someone eager to design and implement AI-driven workflows that can think in steps, adapt to new information, and orchestrate complex decisions across people, models, and services. If you view compliance not as red tape but as a fascinating systems challenge at planetary scale, we want you. If you are excited about building impactful AI that safeguards millions of dollars, opens doors for founders globally, and helps shape the future of banking, we would love to explore this journey together. *Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.

ABOUT RETELL AIRetell AI is at the forefront of revolutionizing call centers with innovative voice AI technology, utilizing first principles to redefine customer interactions.In just 18 months since our inception, thousands of companies have adopted Retell's AI voice agents to manage sales, support, and logistics calls that previously required extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we have rapidly scaled to $36M ARR with a lean team of 20, up from $5M at the start of 2025.Our vision for 2026 is to create a modern customer experience (CX) platform where entire contact centers are powered by AI, moving beyond basic automation that relies on constant human intervention to intelligent AI “workers” that operate as frontline agents, quality assurance analysts, and managers, continuously executing, monitoring, and enhancing customer interactions.As we grow, we seek passionate builders eager to tackle challenging technical problems, accelerate progress, and make a genuine impact within one of the fastest-growing voice AI startups.Join us in shaping the future.Ranked among the top 50 AI applications in a16z's list: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Also recognized as a top-ranking startup on: https://leanaileaderboard.com/ABOUT THE ROLEAs a Senior Software Engineer - Support Automations at Retell, you will take charge of the technical support for our advanced, agentic voice AI platform. This hands-on leadership role involves personally troubleshooting complex customer issues, developing AI agents and automations, and guiding a growing team of support engineers.You will work at the intersection of engineering, customer relations, and product development, ensuring exceptional reliability, swift resolutions, and scalable support as Retell expands.This position is perfect for someone who thrives on solving intricate technical challenges in high-pressure environments, engages directly with customers, and enjoys building systems and teams from the ground up.

At Block, we are driven by a shared mission of economic empowerment, uniting diverse teams across various sectors such as People, Finance, Legal, Hardware, and Information Security. Our foundational teams deliver critical support that fosters innovation and drives our corporate strategy globally. We embrace challenges as opportunities and value diverse perspectives — bring yours to Block!About the RoleJoin our dynamic Total Rewards team, where you will play a pivotal role in shaping our global compensation programs designed to attract, retain, and recognize talent. As the Compensation Automation & Tooling Specialist, you will be the technical leader responsible for managing automated workflows and self-service tools that support compensation operations for our workforce of approximately 6,000 employees worldwide. This influential position will enable you to transition our processes from manual to scalable, technology-driven solutions, leaving a lasting impact on our team's operations.

Join our dynamic team at 360 IT Professionals as a Senior Automation QA Engineer. We are seeking an experienced professional who is passionate about ensuring the highest quality of software through robust testing practices. This is an urgent need, and we are looking for candidates who can hit the ground running.

Y Combinator is a distinguished accelerator that empowers budding entrepreneurs to launch innovative startups like Airbnb, Stripe, Reddit, and DoorDash. Nestled in the heart of the San Francisco Bay Area, our team collaborates closely to cultivate the next generation of industry leaders. We embody the same philosophies we instill in our startups, making it a unique environment for those familiar with Paul Graham's essays or our engaging YouTube videos.Joining Y Combinator places you in the epicenter of the startup ecosystem.Role OverviewIn our quest to scale operations, we develop a range of software solutions tailored for Y Combinator's internal use. A key focus is creating internal tools that enhance the efficiency of our operations. Our primary users are YC employees such as Group Partners who require productivity tools to engage with thousands of startups, finance teams managing investment documentation, and legal teams addressing diverse startup-related legalities.In this position, you will:Design and develop comprehensive features. Our team is dedicated to supporting founders beyond their batch experience, including creating event software and engagement tools to maintain lasting connections with companies.Collaborate with YC Partners on productivity software. We’ve developed integrations like Gmail plugins and dashboards to facilitate quick engagement with founders.Define and prioritize the development roadmap. We constantly evaluate the balance between effort and impact, with engineers playing a crucial role in determining what features are most essential to tackle next.Assess usage and engagement metrics. We strive to identify what functionalities succeed or fail, emphasizing the importance of continuous improvement for long-term success.Team DynamicsOur software team consists of just 15 full-stack product engineers, fostering a collaborative environment where we all know each other personally. With diverse experiences from major companies like Meta and Google, many team members have also launched their startups. In line with YC's philosophy, our engineers frequently interact with customers and prioritize rapid deployment, while also shaping our roadmap and designing our own projects.