Staff Software Engineer at Check | San Francisco or Remote

Join the Revolution at CheckAt Check, we simplify the process of paying people. Our mission extends beyond our own business; we collaborate with our partners to create innovative payroll solutions. As pioneers of embedded payroll, we are transforming the way payments are processed, enabling payroll businesses to launch, scale, and thrive. Discover our journey | Listen to our story.Check is not merely an API provider. We are a catalyst for the development and growth of payroll enterprises.Our TeamThe payroll system is flawed. Join a passionate team determined to fix it! At Check, you will apply innovative problem-solving, critical thinking, and resilience to influence every business we help build. We see challenges as opportunities and embrace the unique strengths each team member brings to our mission.If you are eager to dive in and reshape the payroll landscape, let’s work together to simplify complexities, make a significant impact, and forge a brighter future for businesses of all sizes.Your ResponsibilitiesAs a Staff Software Engineer at Check, you will merge solid engineering principles with a commitment to creating software that enhances the operational efficiency of payroll businesses. Our platform facilitates monetary transactions, tax computations, and compliance processes for countless enterprises, transforming intricate systems into accessible and reliable tools for our operators and partners.Our engineering team utilizes cloud-native technologies managed through infrastructure-as-code. We maintain a Python modular monolith that embodies the principles of distributed systems while retaining the simplicity and ownership advantages of a mono-repo. Our infrastructure relies on conventional HTTP APIs and durable asynchronous workflows for tasks ranging from transferring funds to tax submissions.In this role, you’ll collaborate closely with product, design, and operations teams to develop tools and systems that empower users to manage payroll with confidence and reliability.

Join the Revolution at CheckAt Check, we simplify the process of paying people. In doing so, we’re not just enhancing our own business; we’re collaborating with our partners to build payroll solutions that redefine how payments are made. As pioneers of embedded payroll, we’re reshaping the landscape for payroll businesses, enabling them to launch, scale, and flourish. Explore our journey | Listen in.Check is more than just API infrastructure; we are a launchpad for innovation in payroll.Our Dynamic TeamPayroll is in need of transformation. Join a passionate team that thrives on collaboration! At Check, you’ll employ your creative problem-solving skills, critical thinking, and determination to impact every business we collaborate with. We see challenges as opportunities for improvement, valuing the unique strengths and contributions of each team member in our quest to revolutionize payroll.If you’re eager to dive in and make a substantial difference, come join us in simplifying complex systems and fostering a better future for businesses of all sizes.Your RoleIn this role, you’ll leverage strong engineering principles to develop software that significantly enhances the operational efficiency of payroll businesses. Our platform facilitates financial transactions, tax calculations, and compliance workflows for numerous enterprises. Much of your work will involve transforming intricate infrastructures into dependable, user-friendly systems for our partners and operators.Our engineering team utilizes cloud-native tools managed through infrastructure-as-code, running a Python modular monolith that balances distributed systems principles with the simplicity and ownership benefits of a mono-repo. We depend on conventional HTTP APIs and robust asynchronous workflows to manage everything from financial transactions to tax filings.Your responsibilities will span a variety of challenges, developing software that enables Check to respond swiftly and serve partners and internal teams more effectively. Some tasks will align with larger engineering initiatives while others will arise from the continually evolving demands of the business—be it a partner request, an upgrade to internal tools, optimizing workflows, or addressing product gaps. If you thrive on quickly grasping context, tackling challenges head-on, and delivering practical solutions, you will excel in this environment.

Join the Team at CheckAt Check, we simplify the process of paying employees. As pioneers of embedded payroll, we are not merely creating our own business; we are collaborating with our partners to establish and elevate payroll solutions. Our innovative approach is reshaping how payroll is executed, making it more accessible for businesses to launch, expand, and thrive.Check offers more than just API infrastructure; we provide a launching pad for payroll enterprises.About Our TeamThe payroll landscape is in need of reform. Join a passionate team at Check where your creative problem-solving and critical thinking skills will drive meaningful change. We view challenges as opportunities for contribution, breaking free from traditional role definitions to leverage the unique strengths of each team member in pursuit of our mission.If you're enthusiastic about transforming payroll and making a significant impact, we invite you to help us simplify complexities and forge a brighter future for all businesses.At Check, we refer to our clients as "partners" to highlight the strong relationships and shared goals we cultivate with those who utilize our software. Our Partner Engineering team is committed to empowering partners to unlock the full capabilities of their payroll solutions through proactive strategic and technical support. This commitment encourages product adoption, broadens partnerships, and drives growth.About the Partner Engineering TeamThe Partner Engineering team plays a pivotal role in boosting revenue by leveraging deep technical knowledge, both as consultants and hands-on engineers, to enhance business outcomes for our partners. Our team guides partners through the entire journey, from initial discussions to the successful implementation of embedded payroll solutions. We develop code, construct systems, and deliver features in collaboration with Check's core engineering team. Additionally, we partner with cross-functional teams—sales, engineering, and product management—to ensure partners can seamlessly integrate and derive maximum value from our platform. Partner Engineers also spearhead Check's AI initiatives, integrating advanced capabilities across our products and internal tools.

Join the Revolution at CheckAt Check, we are transforming the payroll landscape. Our mission goes beyond just building a successful business; we collaborate with our partners to innovate payroll solutions. As pioneers of embedded payroll, we are reshaping the payment process, enabling payroll businesses to launch, expand, and succeed with ease. Discover our journey | Listen in.Check is more than an API; we are the catalyst for developing and scaling payroll operations.Our TeamThe payroll system is in dire need of innovation. We invite you to join a passionate team dedicated to making an impactful change! At Check, you will leverage creative problem-solving and critical thinking to influence every business we partner with. We view challenges as opportunities for improvement, valuing the unique contributions of each team member in our collective mission.If you're ready to dive in and transform payroll, let's collaborate to simplify complexity and enhance the future for businesses of all sizes.Your RoleAt Check, engineering is our foundation. We believe that payroll should resemble modern financial software; achieving this requires a comprehensive understanding of systems and reliable infrastructure that our partners can trust. Every product we deliver relies on scalable and secure systems that ensure timely payments and payroll processing.We are seeking a Staff Software Engineer who possesses strong software design capabilities coupled with hands-on infrastructure experience. In this position, you will focus on the essential systems that drive payroll operations, enhancing our service scalability, production operations, and empowering engineers with the tools to deliver software confidently and securely.You will collaborate across product and platform areas to enhance our cloud infrastructure, fortify our deployment and monitoring strategies, and streamline the architecture that supports embedded payroll services. The challenges you will address often intersect infrastructure, product, and operational domains.This opportunity is perfect for someone who has managed complex systems end-to-end in a dynamic environment and takes pride in developing resilient, comprehensible infrastructure that is vital to our operations.

Join our dynamic team at rillet as a Staff Software Engineer. We are looking for a talented engineer who is passionate about building innovative solutions and driving impactful projects. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software applications that meet the needs of our customers.If you have a strong foundation in software engineering principles and a desire to work in a fast-paced environment, we want to hear from you!

Ironclad stands at the forefront of the AI contracting revolution, seamlessly converting agreements into valuable assets. Our platform accelerates contract workflows, delivers instant insights, and empowers teams to drive their work forward—all while keeping you in control. Whether you're engaged in buying or selling, Ironclad streamlines the entire process on a singular, intelligent platform, giving leaders the visibility they need to stay ahead. Esteemed organizations such as OpenAI, the World Health Organization, and the Associated Press rely on Ironclad to expedite their operations.Our commitment to excellence has not gone unnoticed; we are regularly lauded as an industry leader, recognized as a Leader in the Forrester Wave and the Gartner Magic Quadrant for Contract Lifecycle Management. Additionally, we have been honored as a Fortune Great Place to Work and listed among Fast Company’s Most Innovative Workplaces. Ironclad has also earned a spot on Forbes’ AI 50 and Business Insider’s list of Companies to Bet Your Career On. We are supported by top-tier investors including Accel, Y Combinator, Sequoia, BOND, and Franklin Templeton. For further details, visit www.ironcladapp.com or connect with us on LinkedIn.This position is hybrid, requiring in-office attendance at least twice a week on Tuesdays and Thursdays for collaboration and engagement, with potential additional days for team or company events.Engineering at IroncladIn the capacity of Staff Software Engineer, you will collaborate with cross-functional teams in engineering, product, design, and go-to-market efforts to identify impactful challenges and craft, develop, and deploy innovative solutions. You will be instrumental in shaping a platform that enables legal teams and business partners to excel at scale. As we usher a time-honored profession into the digital era, your contributions will define the future of contracting.We invite seasoned engineers from diverse backgrounds who possess robust coding skills and a proven history of delivering thoughtful, reliable products. Join our collaborative, ego-free team that values mutual learning, diverse perspectives, and an inclusive, supportive work environment. If our mission resonates with you and you are eager to help create a product that legal and business teams cherish, we would love to connect!

Role overview The Staff Software Engineer position at GoFundMe centers on building and enhancing the technology that powers the fundraising platform. Based in San Francisco, this role plays a key part in shaping how millions of people use GoFundMe to support causes and personal projects. The work has a direct impact on user experience and platform reliability. What you will do Design, develop, and improve essential features of the GoFundMe platform Collaborate with engineering, product, and design teams to deliver solutions Help ensure a smooth and dependable experience for everyone using GoFundMe

Join Crusoe as a Staff Software Engineer specializing in Networking. In this critical role, you will design and implement innovative software solutions that enhance our networking infrastructure. You will collaborate with cross-functional teams to optimize performance and reliability, ensuring that our services run efficiently and securely.

About UsAt Sydecar, we are on a transformative mission to redefine private markets, striving for accessibility, transparency, and liquidity. Our innovative approach is reshaping how investment vehicles are crafted and executed.We pride ourselves not just as a platform, but as a trusted partner in venture capital. Our commitment lies in simplifying and standardizing private investment experiences, empowering capital allocators to discover and support visionary entrepreneurs shaping the future.Our platform is engineered for optimal efficiency, managing essential tasks such as banking automation, compliance assurance, contract handling, tax management, and meticulous reporting. This allows our investors to focus on what truly matters: forging valuable deals and cultivating impactful relationships.Join us at Sydecar as we lead the revolution in private investing.Location: San Francisco (Hybrid – 2 days per week in office)About Our Engineering TeamsWe are expanding across various teams and are eager to align engineers with roles that resonate with their passions and strengths. Whether your expertise lies in full stack, front-end, or back-end development, we offer opportunities tailored to your skills and career aspirations.Our Technology StackFrontend: TypeScript and React in a mono-repo structureBackend: TypeScript, utilizing NestJS and PrismaDatabase: PostgreSQLTesting & Code Quality: Jest with ESLint/Prettier for linting and auto-formattingDesign: Wireframes and prototypes developed in FigmaInfrastructure: Managed as Infrastructure as Code (IaC) with TerraformYour RoleAs a Staff Software Engineer, you embody the pinnacle of our engineering organization. You’re adept at leading large project teams and tackling intricate projects that few can manage. Your awareness of business and organizational dynamics empowers you to define quarterly technology strategies and spearhead their execution across the organization, enhancing the quality, functionality, and potential of Sydecar's core product. You are primarily a Product Engineer, dedicated to improving the experiences of deal organizers and investors.

About the Role Crusoe is hiring a Staff Software Engineer in San Francisco, CA. This role focuses on building high-performance software applications that support the company’s technology initiatives. What You Will Do Design and develop software applications with an emphasis on performance and reliability Collaborate with engineering teams to deliver solutions that meet business needs Contribute technical expertise to key projects and code reviews Location This position is based in San Francisco, CA.

About LindyAt Lindy, we're on a mission to create an AI assistant designed for everyone — not just the tech-savvy or the builders, but for those who simply want to reclaim their time. The Lindy Assistant seamlessly integrates into iMessage, managing emails, calendars, and meetings with just a two-minute setup. We are crafting the essential bridge between powerful AI technology and the everyday lives of real people.The RoleAs a Staff Software Engineer, you will take charge of high-impact projects from inception to production in a dynamic environment where engineers prioritize creating exceptional products. Collaborating within a small, highly autonomous team, you'll be shipping updates multiple times a day. This position is perfect for someone driven by intrinsic motivation to build, who prioritizes speed without compromising quality, and who measures success by the impact of their work in production.

Join Asana as a Staff Software Engineer in our innovative AI Studio. In this role, you will leverage your expertise in software engineering to drive the development of cutting-edge AI solutions that empower teams to work more efficiently. Your contributions will be pivotal in shaping the future of our product offerings.

About SemgrepSemgrep is at the forefront of code security, empowering developers to innovate seamlessly. Our platform enables teams to identify, flag, and resolve genuine issues before deployment, all while leveraging an adaptive security framework that evolves as developers code. Semgrep integrates security into the development process without hindering productivity, offering developers the autonomy to work efficiently while ensuring security teams maintain oversight, control, and assurance. With advanced AI capabilities that minimize false positives and prioritize actionable vulnerabilities, we have earned the trust of 95% of security reviewers across over 6 million findings. Semgrep is committed to achieving zero false positives, significantly reducing the workload for AppSec teams by enabling them to triage 80% fewer false alerts across both Code and Supply Chain, effectively managing their backlog.Founded in San Francisco and supported by prominent investors such as Menlo Ventures, Felicis Ventures, Lightspeed Venture Partners, Redpoint Ventures, and Sequoia Capital, Semgrep has been recognized by Gartner in the Application Security Testing sector and is trusted by leading organizations including Snowflake, Dropbox, and Figma. Discover more at semgrep.dev.About the RoleAs a Staff Backend Engineer, you will design, build, and maintain robust backend and infrastructure systems, ensuring a fast and reliable experience for our users. You will collaborate closely with fellow engineers to develop the APIs, data models, and services that drive Semgrep’s products at scale. A solid understanding of databases, query optimization, and distributed systems is essential, along with experience in integrating third-party solutions into existing codebases.Our technology stack includes TypeScript and React for the frontend, while the backend is powered by Python, Flask, and SQLAlchemy, all deployed through Kubernetes and hosted on AWS. Prior experience with these technologies is preferred, but a willingness to learn is equally valued!This is a hybrid role, with an expectation of in-office presence 3 or more days a week in our San Francisco, New York, Boston, or Denver offices, depending on your team. Remote work may be considered for exceptional candidates.CompensationThe estimated annual salary range for this position is between $202,000 and $238,000 USD. The actual salary will be based on various factors, including job-related skills, relevant experience, qualifications, location, internal equity, and market data. In addition to the base salary, total compensation may include equity, variable compensation, and benefits. We consider equity a vital part of our overall compensation package.

About Us:At Lunar, we are pioneering a transformative software platform tailored specifically for health systems. Our mission is to redefine healthcare through innovative, AI-driven solutions that empower hospitals to provide exceptional care to their patients. Our platform serves as the foundational backbone for modern health systems, effectively revolutionizing clinical and operational workflows with the world’s first AI-native hospital information system.This advanced platform marks a complete overhaul of the information infrastructure that underpins health systems. From doctors and nurses to pharmacists, lab technicians, coders, billers, supply chain professionals, and even patients, Lunar’s software seamlessly integrates all aspects of healthcare operations. We view this endeavor as the moon landing for healthcare—an audacious and impactful mission that many deem impossible.Supported by top-tier venture capital firms from Silicon Valley, we believe in the strength of a small, high-performance team of experienced professionals who operate at their fullest potential. We value individuals who are driven, inquisitive, possess strong judgment, and are committed to producing their best work.Our technology is built on Elixir, chosen for its robust fault tolerance, concurrency, and scalability—crucial for managing real-time patient data in critical environments such as Emergency Departments, ICUs, and Operating Rooms.We are in search of a Staff Product Engineer ready to tackle some of the most complex technical challenges in healthcare, joining a small, dynamic, and mission-focused team. If you are passionate about crafting clean, resilient code and eager to rebuild the software infrastructure of contemporary hospitals from the ground up, we would love to connect with you.In your first six months, you may encounter these significant technical challenges:Developing a Modern Cloud Architecture: We have the unique opportunity to design a cloud-native platform from the ground up, leveraging Elixir without the constraints of legacy systems.Creating an Enhanced Access Control System for Clinical Data: Your task will include developing a sophisticated access control system with detailed permissions that honors the structure of clinical data and patient ownership, enabling population-level insights for improved public health.Ensuring 24/7 Operational Uptime for Hospitals: You will design and implement infrastructure capable of managing rolling deployments and failover solutions to maintain seamless hospital operations.

About VSCO VSCO (pronounced vis–co) is a vibrant platform designed to provide photographers with the essential tools, community, and visibility they need to flourish both creatively and professionally. Our commitment lies in nurturing a genuine creative atmosphere that caters to photographers of all skill levels, ensuring a sanctuary for creativity, inspiration, and collaboration. Our mission is to support photographers in their journey, equipping them to connect with fellow creatives and businesses through our comprehensive suite of innovative tools spanning mobile and desktop platforms across our global community. We seek individuals who are motivated and proactive in elevating our company mission. At VSCO, you will have the chance to make a significant impact, as we believe that collective building leads to stronger outcomes. Our core values are foundational to our team culture and influence our hiring practices. Discover what you can expect when joining VSCO on our Careers Page. About The Role If you are passionate about iOS development and eager to be part of a dynamic team of creators, we encourage you to apply for this role and help us empower creators globally. At VSCO, you will collaborate with talented individuals who share your enthusiasm for innovation and creativity. We are developing a comprehensive ecosystem of tools for photographers, enhancing our existing offerings while creating new products and services. This pivotal role will allow you to define and advance our vision, significantly influencing how our users create, connect, and monetize their work. Join us in shaping the future of mobile technology and making a meaningful contribution to the global creative community. As a Staff Engineer, you will primarily function as a technologist, engaging in coding, tackling complex challenges, and staying abreast of emerging technologies. Your influence will extend beyond individual contributions as you serve as a technical leader, guiding the team through intricate issues, advocating for best practices, and anticipating future needs to keep the team ahead of the curve. You will focus on scalability, long-term maintainability, and future enhancements, while also mentoring fellow engineers, raising the quality bar, and facilitating success for others.

About EliseAIAt EliseAI, we are dedicated to transforming crucial sectors such as housing and healthcare. Securing a place to live and accessing quality healthcare should not be so challenging. By embedding AI agents into existing workflows, we enhance efficiency, reduce expenses, and elevate the overall experience for all stakeholders.Housing: We streamline the process for renters to tour apartments, sign leases, submit maintenance requests, and engage with property teams, consolidating everything they need for their home into a single platform.Healthcare: We simplify appointment scheduling, intake form completion, and patient-provider communication, allowing everyone to prioritize health over paperwork.With EliseAI, organizations can minimize manual tasks, enhance accessibility, and provide an integrated experience across vital services. We recently secured a $250 million Series E funding round led by Andreessen Horowitz to further our mission.About The RoleIn the position of Staff Software Engineer at EliseAI, you will not merely write code; you will develop software that enhances business operations and positively impacts lives. Rather than adhering to an existing blueprint, you will be responsible for crafting one. Each day will present opportunities to identify scalable solutions and execute them. You will collaborate with a small team of elite engineers, taking on substantial ownership, leading projects, and bringing your innovative ideas to fruition—essentially functioning as a small startup within a dynamic environment.Key ResponsibilitiesDevelop systems that facilitate intelligent communication and operation for autonomous buildings.Engage directly with customers to design and manage new product features from initial concept through to deployment.Enhance the scalability and reliability of our fundamental infrastructure.Suggest and implement substantial improvements to our architectural frameworks and design methodologies.Collaborate with product and design teams to transform AI capabilities into compelling user experiences.Continuously deploy new features and enhancements in a fast-paced, iterative environment.

P-150 At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging problems, ranging from security threat detection to the development of cancer treatments. We achieve this by creating and managing the leading data and AI infrastructure platform, allowing our clients to concentrate on the high-value challenges central to their missions. Founded in 2013 by the original creators of Apache Spark™, Databricks has evolved from a modest office in Berkeley, California, to a global enterprise with over 1000 employees. Our platform is trusted by thousands of organizations, from startups to Fortune 100 companies, establishing us as one of the fastest-growing SaaS firms worldwide. Our engineering teams design and develop highly technical products that meet significant real-world needs. We continually push the limits of data and AI technology while maintaining the resilience, security, and scalability essential for our customers' success on our platform. We operate one of the largest-scale software platforms, comprising millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter cloud hardware, network, and operating system faults, and our software must effectively shield our customers from any disruptions. As a Software Engineer focused on backend development, you will collaborate closely with your team and product management to prioritize, design, implement, test, and operate microservices for the Databricks platform and products. This role includes writing software in Scala/Java, building data pipelines using Apache Spark™ and Apache Kafka, integrating with third-party applications, and interacting with cloud APIs such as AWS, Azure, CloudFormation, and Terraform. Below are examples of teams you can join: Data Science and Machine Learning Infrastructure: Develop services and infrastructure that bridge the gap between machine learning and distributed systems. Our technology supports flagship collaborative workspaces, notebooks, IDE integrations, and project management tools. We also facilitate large-scale machine learning through environment management, distributed training, and lifecycle management via MLflow. Compute Fabric: Construct the resource management infrastructure that supports all big data and machine learning workloads on the Databricks platform in a robust, flexible, secure, and cloud-agnostic manner. This software oversees millions of virtual machines.

At Tanagram, we are on a mission to revolutionize agentic coding by transforming the way engineering lessons are harvested from codebases, code reviews, incident post-mortems, and Slack communications. Our innovative approach provides real-time guardrails that identify and rectify risky coding patterns, empowering teams to accelerate their shipping process while minimizing potential pitfalls.We are assembling a small, diverse group of outstanding engineers who are passionate about the future of agentic coding. Our ideal candidates are detail-oriented, possess a high level of agency, and are adept at identifying critical problems to solve, building exceptional products, and continuously iterating towards superior solutions.In this role, you will engage with our entire technology stack, from our Typescript + React frontend to our Python/Go backend and LLM infrastructure. You should possess a keen intuition for selecting the right tools and configuring them to achieve optimal user results.You are proactive and prefer to take immediate action rather than postponing tasks. You communicate your intentions clearly and follow through promptly.We operate in a hybrid work environment, primarily based in San Francisco (Mission Bay) and NYC, but we welcome strong remote candidates. For more insight into our work culture, refer to our guidelines.

About MetaDAOMetaDAO is at the forefront of revolutionizing decision-making through innovative decision markets, empowering individuals and organizations to shape the most critical choices in the world.Our flagship offering is a cutting-edge fundraising platform that leverages decision markets to minimize the risks of fraud and misallocation for investors. Since its monetization in October 2025, the platform has achieved a remarkable run rate revenue of approximately $9 million annually.With $12 million raised from leading investors, we are dedicated to assembling a world-class team. If you share our belief in the transformative power of markets, we invite you to join us in this exciting journey.

Role Overview Crusoe is seeking a Senior Staff Software Engineer focused on CAPE for its San Francisco office. This role centers on designing and building software solutions that support Crusoe's mission to advance technology in the energy sector. What You Will Do Design and implement software systems for CAPE projects Collaborate with cross-functional teams to deliver solutions that align with user needs and company goals Tackle complex technical challenges in support of Crusoe's energy initiatives What We Look For Strong technical background in software engineering Experience solving complex problems and delivering reliable software Ability to work effectively with colleagues across multiple disciplines Location San Francisco, CA - US