Senior Frontend Software Engineer

At Upbound, we are pioneering a transformative approach to modern infrastructure tailored for the Agentic AI Era. As the primary creators and maintainers of Crossplane, we are developing the Intelligent Control Plane, a groundbreaking platform layer that enables infrastructure to be programmable, autonomous, and composable.Our mission is to empower AI-native enterprises with a robust foundational platform that streamlines provisioning, operations, and adaptability of infrastructure at scale—preparing platforms for both human and AI agent interactions. We collaborate with industry-leading cloud providers, independent software vendors (ISVs), and vibrant open-source communities to accelerate organizational progress with enhanced confidence.Currently, Upbound supports Fortune 500 companies and platform engineers across over 100 countries. With over 100 million downloads, Crossplane is utilized by more than 1,000 teams globally. We are a Series B company backed by GV (formerly Google Ventures), Altimeter Capital, and Intel Capital, having raised $69 million to date. Discover more at upbound.io.We are seeking a Senior Software Engineer to contribute to the development and operation of Upbound Spaces, our multi-control plane management software integral to the Upbound Platform. As a member of the Spaces team, you will help scale Upbound to reliably manage thousands of control planes, enhancing enterprise control plane management and operations both in the cloud and on-premises. This is a significant opportunity to make a meaningful impact in engineering across development and production environments.

About UsSparrow is a pioneering high-tech, high-touch solution for managing employee leave. Our mission is to simplify the leave process for companies, enabling them to support their employees through various types of leave, including family and medical leave.The traditional leave management process can be cumbersome and overwhelming. Company leaders face constant challenges in keeping up with evolving regulations, while employees navigating their leave often encounter unnecessary bureaucracy at a critical time in their careers. At Sparrow, we streamline this typically tedious and error-prone process into an efficient 30-minute experience, saving our clients significant time (20-40 hours per leave) and potential costs (up to $30,000 per leave).Headquartered in San Francisco, we are a diverse team with remote employees across the nation. We pride ourselves on being a collaborative, talented, and supportive workforce, dedicated to solving real-world problems.About the RoleAs we expand rapidly, we seek product-focused full-stack software engineers to join our dynamic engineering team. In this role, you will:Collaborate closely with engineering and cross-functional teams (sales, operations) to define, scope, and develop the engineering roadmap.Design and implement new features and products that enhance the experience for both employees and employers.Utilize software to optimize internal processes, enabling more efficient scaling.Invest in engineering health and processes, ensuring sustainable and secure development practices.Mentor and support fellow engineers on the team.About YouWe are looking for candidates who possess:5+ years of experience as a software engineer.The ability to collaborate effectively with both engineers and non-technical teams.Strong written and verbal communication skills.A knack for simplifying complex domains into manageable components.Familiarity with modern software tools and processes (git, CI/CD, testing, deployment, cloud services, etc.).Experience with our technical stack (Django, React, Python, JS, Postgres, Heroku) is a plus, but not mandatory.Above all, we seek individuals who are passionate about leveraging technology to address challenging problems, who enjoy crafting beautiful and functional products, and who resonate with our mission. If this sounds like you, we’d love to hear from you!

About WorkWhileAt WorkWhile, we are dedicated to empowering hourly workers to achieve financial stability and improved quality of life. With over 80 million Americans engaged in hourly employment, many face unpredictable schedules, low wages, and scarce benefits, which can lead to economic hardship.Our innovative platform is transforming the landscape of frontline work by fostering a more adaptable and effective labor market. Leveraging advanced AI technology, WorkWhile enables businesses to swiftly connect with top-tier talent. Workers enjoy same-day pay, complimentary telehealth services, opportunities for skill advancement, and the flexibility to select shifts that align with their expertise and personal schedules.Our ambitious aim is to harmonize incentives and address inefficiencies in the labor market, challenging the $650 billion staffing and recruiting industry. Supported by Khosla Ventures and celebrated by the Inc. 5000 for remarkable growth, WorkWhile is at the forefront of redefining the future of work.

Are you ready to make a significant impact?Join us at Coworker, an innovative AI startup experiencing rapid growth, fueled by prominent venture capital firms. We are redefining enterprise artificial intelligence with our groundbreaking technology known as Organizational Memory (OM1), revolutionizing the way work is accomplished.Unlike any other AI solution, OM1 acts as a corporate brain, providing real-time insights across the business and enabling output capabilities comparable to a human employee.We are transforming roles in Product, Engineering, Go-to-Market, and Management. Our technology initially targets software companies but holds the potential to serve a multitude of industries. We are more than just a productivity tool; we are leading a fundamental transformation in how work is performed.With established product-market fit, impressive year-over-year ARR growth, and a roster of well-known customers, we are expanding our sales team to capture the mid-market and enterprise sectors, aiming to dominate a $10T+ market.And this is just the beginning!We seek the brightest minds in software engineering to explore and realize the potential of this new era!Your RoleWe are looking for a skilled and driven Senior Software Engineer with over 8 years of experience to help us propel our mission forward. This is a unique opportunity for someone eager to leverage AI to optimize their own role and achieve the output of 100 engineers.You are a passionate full-stack developer who combines technical expertise with leadership potential. You prioritize customer satisfaction and are willing to tackle challenging and ambiguous problems as one of the pioneering engineers in our fast-evolving startup.Your dedication might sometimes require you to work outside of regular hours, but like us, you value a work culture where enjoyment and collaboration are paramount.The prospect of being part of a new Industrial Revolution at Coworker excites you immensely.

Aura is seeking a talented and experienced Senior Software Engineer, Platform to join our innovative team. In this role, you will be responsible for designing and implementing scalable software solutions that enhance our platform capabilities. You will work closely with cross-functional teams to ensure the delivery of high-quality software that meets the needs of our users.

About Ditto Ditto builds technology for resilient, real-time data flow at the edge. The company’s peer-to-peer synchronization engine keeps devices connected and data consistent, even when internet access is unreliable or unavailable. Organizations like Chick-fil-A, Delta Airlines, and the U.S. military use Ditto to power mission-critical experiences in aviation, retail, travel, hospitality, and defense. With over $145 million in funding, Ditto is a fast-growing, globally distributed startup committed to building a diverse and inclusive team, essential for solving tough connectivity problems in challenging environments. Role Overview: Senior Software Engineer - Autonomy (Remote) This Senior Software Engineer role focuses on autonomy and field deployment. As a Forward Deployed Engineer, work directly with key users to integrate Ditto’s platform into operational environments, especially where robotics and real-time data are essential. The position calls for adaptable engineers who can quickly solve complex technical challenges and reduce the time it takes for customers to realize value from Ditto’s software. Expect to collaborate closely with both users and Ditto’s core product engineering team, relaying technical feedback and feature requests. The work often involves ambiguity, rapid troubleshooting, and direct involvement in field testing. Key Responsibilities Integrate with Robotic Platforms: Lead on-site software integration with unmanned ground, aerial, and maritime systems. Establish reliable data connections between Ditto’s synchronization layer and various robotic autonomy stacks. Develop on ROS2 and DDS Middleware: Design, build, and debug software nodes within ROS2 frameworks. Use DDS (Data Distribution Service) for real-time, publish-subscribe communication between robotic subsystems and Ditto’s platform. Implement MAVLink Integrations: Create and refine MAVLink-based communication channels for telemetry, command, and control of unmanned aerial systems. Ensure dependable data transfer between Ditto’s platform and autopilot firmware. Solve Problems in Real-Time: Act as the first line of technical support during field testing. Diagnose and resolve software, sensor, and communication issues on robotic platforms as they arise. Location Remote. Candidates in Atlanta, Austin, San Francisco, or Seattle are encouraged to apply.

Role Overview Mercury is looking for a Senior Software Engineer focused on Stability. This role centers on strengthening the reliability and scalability of Mercury’s software systems. The work spans identifying weak points, resolving issues, and driving improvements across the stack. What You Will Do Work closely with teams across engineering, product, and operations to spot and address stability risks Troubleshoot and resolve software issues affecting system reliability Design and implement solutions that improve overall system performance and resilience Location This position is open to candidates based in San Francisco, CA, New York, NY, Portland, OR, or remote within Canada or the United States.

Founded in 2007, Airbnb has transformed the way people travel, connecting over 5 million hosts with more than 2 billion guests worldwide. Our platform offers unique stays and experiences, allowing guests to immerse themselves in local communities and cultures.The Community You Will Join:At Airbnb, our Host and Guest communities are the heart of our operations. The Reputation team plays a crucial role in maintaining trust within our platform, overseeing all aspects of user reputation, including reviews, Superhost recognition, and standards enforcement. Our responsibilities encompass:Reviews: We facilitate accountability between guests and hosts through a robust review system, relying on user-generated data to refine our review processes.Superhost: This program acknowledges and rewards exceptional hosts who consistently provide outstanding experiences for guests.Standards: Trust is foundational at Airbnb; our team is dedicated to educating hosts and enforcing standards in response to negative feedback.Insights: Leveraging data effectively, we empower hosts with actionable insights about their performance and opportunities for improvement.The Difference You Will Make:We are looking for a passionate, talented engineer ready to make a significant impact. As part of the reputation team, you will enhance how we collect and manage review data. Our mission is to modularize our systems and create a comprehensive review platform that extends beyond our current marketplace. You will play a key role in shaping the future of the Reviews space at Airbnb, with opportunities to engage in diverse projects across different layers of the stack.

Are you ready to challenge your limits and embrace your potential?At Coinbase, we are dedicated to enhancing economic freedom across the globe. This is an ambitious mission that requires our utmost commitment as we develop the future of the global financial system through our innovative on-chain platform.We’re searching for a unique individual who is not only passionate about our mission but also believes in the transformative power of cryptocurrency and blockchain technology to revolutionize the financial landscape. If you are driven to make a meaningful impact, thrive in high-pressure environments, and value constructive feedback, we want you on our team to tackle our most complex challenges.Our work culture is intense and might not be suitable for everyone. However, if you aspire to create the future alongside exceptional professionals who demand excellence, there is no better place to grow.While many roles at Coinbase are designed to be remote-first, we are not exclusively remote. In-person collaboration is encouraged throughout the year, with regular team and company-wide offsite events to enhance teamwork, connection, and alignment. Your participation is anticipated and fully supported.About the Team:Our Financial Engineering team is responsible for establishing Coinbase's financial data and reporting infrastructure, ensuring accurate, timely, and verifiable financial operations. Collaborating closely with Finance, Accounting/Controllership, Treasury, and Product Engineering, we guarantee that financial data is comprehensive, reconciled, and traceable, supporting essential workflows such as month-end closing and large-scale reporting.Key Responsibilities:Develop new services using Golang to address critical product and business requirements.Design scalable systems that solve unique problems utilizing cutting-edge cloud technology and industry best practices.Articulate a long-term vision for the maintenance and scaling of our backend systems and the teams managing them.Collaborate with engineers, designers, product managers, and senior leadership to translate our product and technical vision into a concrete roadmap each quarter.Produce high-quality, well-tested code that meets customer needs.

About the RoleJoin us in creating a cutting-edge AI-driven platform and web application designed for the seamless and rapid generation of audio and video content. Our mission is to revolutionize how users can record, transcribe, edit, and mix multimedia online, presenting us with unique technical challenges that require innovative solutions. We are seeking talented Software Engineers at both the senior and staff levels to fill several positions on our Agent team, dedicated to shaping the future of Agentic Video Editing!About the Team:Since launching in Open Beta in July 2025, the Agent team at Descript has been focused on enhancing user experiences for chat-based editing, expanding our agent's capabilities, and refining our infrastructure to support the ongoing advancement of AI models. Our team comprises AI Researchers and Software Engineers who are passionate about making video editing accessible to everyone. Collaborate with peers located in San Francisco, New York, and across the US and Canada.This role is perfect for you if you're excited about:Pushing the boundaries of quality in video editing agents through experimentation (e.g., tool design, token/context optimizations, reinforcement learning, multimodal capabilities).Creating an exceptional product experience for agentic video editing interactions that boosts user retention (e.g., refining prompt templates, addressing user feedback, implementing essential product features like chat history).Establishing a top-notch developer experience for building agents (e.g., logging systems, evaluation frameworks, online monitoring, and feedback loops).

Join prosper as a Senior Full Stack Software Engineer, where your expertise will drive innovation and enhance our technology solutions. In this role, you will collaborate with cross-functional teams to develop scalable applications, ensuring high-quality code and performance. Your contributions will help shape the future of our platform and improve user experiences.

About Ditto Ditto builds technology that keeps data moving reliably, even when networks are unreliable or unavailable. Developers use Ditto’s peer-to-peer synchronization engine to power real-time applications for places where connectivity is a challenge: stadiums, aircraft, and remote military bases. Trusted by organizations such as Chick-fil-A, Delta Airlines, and the U.S. military, Ditto supports mission-critical operations across aviation, retail, travel, hospitality, and defense. The company has raised over $145 million and continues to grow globally, with a strong commitment to diversity and inclusion. Role Overview: Senior Software Engineer – Public Sector This Senior Software Engineer (Forward Deployed Engineer) position focuses on supporting Ditto’s public sector users. The role centers on collaborating directly with key users, integrating Ditto’s technology into operational environments, and ensuring rapid, effective deployments. The engineer acts as a technical leader in the field, solving complex problems as they arise and serving as a bridge between users and Ditto’s core engineering team. Adaptability and comfort with ambiguity are essential, as is the ability to resolve issues quickly in high-stakes situations. What You Will Do ATAK Plugin Development: Lead the design, creation, and field deployment of custom ATAK (Android Team Awareness Kit) plugins. These plugins embed Ditto’s data synchronization into the primary situational awareness tools used by warfighters. Android-Native Integrations: Build and optimize Android applications and services for tactical end-user devices. Ensure these solutions work reliably in disconnected, intermittent, and low-bandwidth (DIL) conditions. Integration Architecture: Design the full integration between Ditto’s platform and the broader TAK ecosystem. Define data contracts, API boundaries, and synchronization patterns to enable smooth interoperability with third-party systems and services. Real-Time Issue Resolution: Serve as the first line of technical support, diagnosing and fixing application, integration, and data-flow issues as they happen in the field. Location Remote, with preference for candidates based in Atlanta, Austin, San Francisco, or Seattle.

Airbnb started in 2007 when two hosts welcomed three guests into their San Francisco home. Since then, the platform has grown to over 5 million hosts and more than 2 billion guests worldwide. Hosts offer unique stays and experiences that connect travelers with local communities. Trust Engineering at Airbnb Trust sits at the heart of Airbnb’s platform. The Trust Engineering team builds technology to keep the community safe and uphold high standards for hosts, guests, homes, and experiences. Their work addresses both online risks, such as account compromise, fake listings, and financial loss, and offline concerns like theft, property damage, and personal safety. The team’s responsibilities include user onboarding, screening, identity, and reputation systems. Trust Engineering leads the technical vision for these systems and integrates them throughout Airbnb’s platform. Role overview The Senior Staff Software Engineer, Trust, is a senior individual contributor role. This engineer partners with technical leaders across Airbnb to shape, plan, and deliver a broad roadmap of Trust engineering projects. The position involves extensive collaboration with teams throughout the company. While highly senior, this is still a hands-on engineering role, every Airbnb software engineer, regardless of level, contributes code and development work. What you will do Define and drive the long-term vision and strategy for the Trust Platform, setting architectural direction for core systems that support scalable, high-quality fraud detection, safety, and trust decisions across Airbnb. Work deeply within Trust Platform components, developing system and performance tools, and identifying ways to improve technical quality, operational excellence, and developer experience. Promote an AI-first engineering approach, using LLM-powered agents to generate and refine code, so you can focus on problem-solving, system design, and quality oversight. Location This position is remote and based in the United States.

At Crusoe, our vision is to enhance the availability of energy and intelligence. We are at the forefront of developing solutions that empower individuals to innovate boldly with AI, all while ensuring that we uphold principles of scalability, speed, and sustainability.Join us in driving the AI revolution through sustainable technology at Crusoe. You will play a pivotal role in fostering innovation, making a significant impact, and collaborating with a team that is leading the way in responsible and transformative cloud infrastructure.About the RoleWe are on the lookout for a Senior Software Engineer to take on the role of founding engineer within our new Enterprise Software Engineering team in IT. You will work closely with the Director to develop internal tools, automation processes, and integrations that remove manual tasks and address critical operational challenges across the organization.This role transcends traditional enterprise IT positions. You will leverage AI-assisted development as your primary method, delivering production-quality software within days instead of months, while laying the groundwork for future team members. As you grow in this role, your primary contributions will focus on defining specifications, context, and reusable patterns to guide AI agents, while still engaging in hands-on coding for the most complex challenges.Your ResponsibilitiesDesigning and deploying internal tools, automation, and integrations that provide measurable benefits across Finance, Operations, HR, and other business functions.Utilizing AI-assisted development as your standard workflow, which includes drafting specifications, creating prompts, reviewing AI-generated code, and iterating quickly.Establishing foundational technical patterns such as coding standards, project conventions, reusable components, and context files that facilitate AI-driven development.Creating and managing integrations between enterprise systems through APIs, middleware, and data pipelines.Developing solutions across a versatile environment that combines cloud application platforms with internal GPU compute for AI workloads.Collaborating with business teams during rapid prototyping sessions, then refining prototypes into production-ready systems complete with testing, monitoring, and documentation.Setting up CI/CD pipelines, automated testing, and quality assurance measures for all solutions delivered.Taking ownership of solutions from end to end, covering everything from specification and implementation to deployment and production support.

Join our team as a Senior Software Engineer focused on our Data Platform at Gusto. In this role, you will leverage your expertise in designing and building scalable data systems that drive business decisions and enhance our platform's capabilities. Your contributions will directly impact our ability to deliver exceptional services to our customers.You will collaborate with cross-functional teams, ensuring that our data architecture is robust, efficient, and aligned with our business goals. If you are passionate about data engineering and are looking for a place to innovate and grow, we want to hear from you!

About Ditto Ditto builds technology for data mobility at the edge, helping developers create real-time applications that keep working even when networks are unreliable or disconnected. Our peer-to-peer sync engine keeps devices in sync and data accurate, whether in a stadium, on an airplane, or at a remote military site. With over $145 million in funding, Ditto is trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military. Our technology supports critical operations in aviation, retail, travel, hospitality, and defense. As a growing startup with a global team, Ditto values diversity and inclusion to solve complex connectivity problems worldwide. Role Overview: Senior Software Engineer, Forward Deployed Engineering This role is remote and open to candidates in Atlanta, Austin, San Francisco, or Seattle. Forward Deployed Engineers (FDEs) at Ditto work directly with major customers to implement our technology in the field. FDEs help users solve complex, real-world problems by integrating Ditto’s software into their operational environments. This hands-on work accelerates how quickly customers see value from our products. FDEs also act as a bridge between users and Ditto’s product engineering team, sharing technical feedback and feature requests based on firsthand experience. The role suits engineers who enjoy tackling tough problems, adapting quickly, and staying calm under pressure. What You Will Do Integrate with Military Avionics Data Buses: Lead on-site integration of Ditto’s solutions with airborne and ground platforms by building data ingestion and translation layers for MIL-STD-1553 and ARINC 429 avionics buses. Implement Tactical Datalink Interfaces: Design and deploy software interfaces to interpret, convert, and manage messages from tactical datalinks, including Link 16 and Situational Awareness Data Link (SADL), supporting reliable machine-to-machine communication in demanding settings. Enable Cursor-on-Target (CoT) Data Flows: Build and maintain CoT event pipelines that move platform sensor data into the C5ISR ecosystem, ensuring timely and relevant data delivery. Real-Time Problem Solving: Serve as the main technical support in the field, quickly diagnosing and resolving software, protocol, and integration issues as they arise.

Founded in 2007, Airbnb has transformed travel by connecting hosts and guests in over 190 countries. With a community of more than 5 million hosts, we facilitate unique stays and experiences, enabling guests to immerse themselves in local cultures.Join Our Trust-Focused Community:At Airbnb, trust is our top priority, and our dedicated team works tirelessly to ensure a safe and secure platform. As part of the Trust team, you will play a crucial role in safeguarding our community from fraud and ensuring the quality of our hosts, guests, and listings. This involves combating both online threats like account compromise and offline risks such as property damage and personal safety. Your work will help us build and maintain trust within our vibrant community.Make a Significant Impact:In your role within the Trust Engineering team, you will design and implement large-scale systems aimed at detecting and mitigating fraudulent activities across our platform. Collaborating closely with product, data science, and operations teams, you will develop real-time risk detection services that adapt to evolving threats, helping to make Airbnb the safest and most trusted platform in the industry.Your Daily Responsibilities:Design and operate resilient, scalable distributed systems.Enhance platform capabilities to counteract the evolving fraud landscape, collaborating with various engineering teams.Contribute vital insights to the Trust Platform's roadmap and strategic initiatives.

Airbnb’s Insurance team protects millions of guests and hosts worldwide through programs like AirCover, which includes guest travel insurance, host income protection, liability coverage, and damage protection. This group supports the Airbnb community by managing risks, supporting rebooking and refunds, and ensuring a safe experience for all parties. Role overview This Senior Software Engineer position is fully remote within the USA. The role centers on building and expanding insurance products for global markets, driving the technical roadmap, and supporting Airbnb’s mission to deliver secure, reliable experiences. The team values diversity, inclusion, and sustainable engineering practices. What you will do Lead significant projects as a technical owner, guiding teams through ambiguity to deliver strong solutions. Design and build infrastructure, applications, and tools for distributed systems and large-scale storage. Act as a player/coach, fostering team growth and maintaining high standards for code quality and operational excellence. Collaborate with product, engineering, data science, and data engineering teams to ensure project success. Scale distributed applications in high-availability environments and make architectural decisions using design patterns. Contribute to greenfield projects and execute on a multi-year platform roadmap. Drive business growth by introducing new technologies, including advanced use of large language models (LLM). Team culture and growth Work in an inclusive, supportive setting that values diverse perspectives. Access career development resources such as internal mobility, mentoring, and leadership training.

The Trade Desk is a leading global technology company dedicated to fostering a better, more open internet for everyone through principled, intelligent advertising. With the capability to handle over 1 trillion queries daily, our platform operates at an unparalleled scale. We pride ourselves on our award-winning culture, built on the foundations of trust, ownership, empathy, and collaboration. We appreciate the unique experiences and perspectives that every individual brings to The Trade Desk, and we are committed to creating inclusive spaces where everyone can express their authentic selves at work. If you are passionate about solving complex problems at scale and are eager to join a dynamic, globally-connected team where your contributions will significantly impact the media ecosystem, we invite you to explore why Fortune magazine consistently ranks The Trade Desk among the top small to medium-sized workplaces worldwide. As a Senior Software Engineer, you will have end-to-end ownership, allowing you to engage in various facets of designing, building, and delivering data-centric products for our stakeholders. At The Trade Desk, we focus on constructing the back-end infrastructure of our platform with an unwavering commitment to quality at scale. Whether developing components for our client-facing applications, crafting internal custom solutions for our teams, or building model pipelines for bidding optimizations, we ensure that the infrastructure, development processes, and tools empower us to execute efficiently. Our systems operate continuously, serving global traffic, and we collaborate in a highly cooperative environment while leveraging a diverse array of technologies. Our back-end developers tackle algorithmic, optimization, and scalability challenges across all our initiatives.