Senior Back End Software Engineer

Key Responsibilities:Take a pivotal role in designing and executing our flagship software product.Develop prototypes and iterate on new features that integrate cutting-edge AI technologies.Establish best practices in technology and explore future enhancements for our platform.Mentor current and upcoming members of our engineering team.Analyze high-quality da…

About Taskrabbit:Taskrabbit is a dynamic marketplace platform that seamlessly connects individuals with Taskers to tackle everyday home tasks, including furniture assembly, handyman services, moving assistance, and much more.At Taskrabbit, we strive to transform lives one task at a time. We celebrate innovation, inclusivity, and hard work as core aspects of our culture. Our environment is collaborative, pragmatic, and fast-paced. We are searching for talented, entrepreneurially minded, and data-driven individuals who share a passion for enabling others to pursue their passions. In partnership with IKEA, we are creating more opportunities for people to earn a consistent, meaningful income on their own terms by fostering lasting relationships with clients in communities worldwide.Taskrabbit operates in a hybrid model with team members located across the US and EU and has been recognized by Built In as one of the Best Places to Work (2022, 2023, 2024) across multiple national and regional categories. Join us at Taskrabbit, where your contributions will be significant, your ideas appreciated, and your potential unleashed!This role requires a hybrid work schedule, with two days of in-office collaboration per week at our San Francisco office.About the Role:We are looking for a Staff Back-End Engineer to join our globally distributed Commerce team. This role goes beyond simple coding; you will elevate the quality standards across our entire ecosystem. Your contributions will be vital in shaping the reliability, performance, and maintainability of our essential financial infrastructure, directly influencing how our customers and Taskers engage with money.The Commerce team is central to our operations, responsible for building and managing the billing, payment processing, disbursements, and taxation/fees that simplify and enhance financial interactions. As a Staff Software Engineer, you will deeply engage with our systems, delivering innovative features while advocating for engineering excellence and operational efficiency. You will work both independently and collaboratively, addressing complex challenges and leaving a lasting mark on our codebase and processes.

Important NoticeThis is a full-time, on-site position located in San Francisco (Presidio), where you will work in our office five days a week.Candidates must be residents of the Bay Area or willing to relocate prior to starting.We require valid US work authorization, and we are open to sponsoring an O-1 visa for exceptional candidates.Role Overview: Senior Full Stack Engineer (Back-End)Your ResponsibilitiesIn this role, you will develop and deploy full-stack features from backend APIs to the user interfaces that enhance user interactions on a daily basis.As part of a small team of roughly 15, you will not only implement new features but also influence key architectural decisions that will support scaling our system to handle significantly increased loads.You will collaborate closely with our CTO on various initiatives, including:Establishing and managing sandbox environments for agent code execution, ensuring security, resource limits, and process isolation for thousands of concurrent sessions.Designing deployment and migration processes for a Cloudflare Workers and Fly.io architecture, incorporating blue-green deployments and canary testing.Implementing end-to-end instrumentation for real-time workloads, including SSE streaming and task queues.Delivering new backend features, tool integrations, and memory indexing, with immediate impact on real users.Minimizing operational overhead through effective logging, monitoring, and incident response tools tailored for our scale.Your innovative ideas!Technology StackWe leverage a range of technologies including TypeScript, Cloudflare Workers, Durable Objects, Hono, Drizzle ORM, Postgres, Zod, SST, Vercel AI SDK, Docker, React, and Vite.Candidate ProfileEssential QualificationsA minimum of 5 years of engineering experience developing and maintaining backend systems in a production environment, with on-call responsibilities.Proficient in TypeScript with a strong preference for backend development, while also being capable across the entire stack.

Back End Developer LeadSan Francisco, CAAt Rothy's, our mission is to revolutionize the fashion industry by prioritizing sustainability and ethical practices. We have successfully repurposed over 200 million single-use plastic bottles and 715,000 pounds of ocean-bound marine plastic into our signature thread, crafting wardrobe essentials that are as stylish as they are environmentally friendly.With a commitment to zero waste, we blend advanced 3D knitting technology with meticulous handcrafted assembly to produce machine-washable styles that do not sacrifice comfort. From iconic shoes to versatile bags, our products are designed for every adventure.At Rothy's, we are dedicated to building a sustainable future and believe in creating an inclusive workplace at our headquarters, retail locations, and wholly-owned factory, expanding our community every day.About the Team:Our Digital Experience team is the backbone of Rothy's, ensuring that all technological aspects run smoothly—both for our visually stunning website and internally by providing essential IT support across departments. As a fast-paced, modern organization, technology permeates our operations, and we rely on our talented team to keep everything functioning seamlessly.About the Role:We are seeking a strategic and seasoned Back End Developer Lead (Director level) to build, supervise, and expand our team of developers dedicated to supporting our Product (Merchandising, Allocation & Design), Production, Product Development, Supply Chain, and HR, Legal, and Finance functions. In this influential role, you will define the technical vision across these areas, mentor engineers, and collaborate closely with cross-functional leaders to deliver scalable, high-quality technology solutions. This opportunity is ideal for someone who excels in both hands-on and leadership roles, enjoys team building, solving intricate problems, and making a significant business impact in a dynamic environment.Your Responsibilities:Lead, develop, and mentor a team of developers focused on Product, Production, Product Development, Supply Chain, and corporate functions while fostering a culture of growth, accountability, and technical excellence.Define and implement the technical strategy, architecture, and best practices across systems that support product lifecycle management and business operations.Collaborate with cross-functional teams to ensure the delivery of high-quality technology solutions that drive business objectives.

Join eproinc as a Back-End Database Developer where you'll play a critical role in designing, developing, and maintaining robust database systems. This is an exciting opportunity for a seasoned developer looking to leverage their expertise in a dynamic environment.In this position, you will collaborate with cross-functional teams to ensure data integrity, optimize performance, and contribute to innovative solutions that drive our business forward.

We are seeking a talented Back-End Web Developer to spearhead the management of data interchange between our server and users. Your main responsibilities will include developing robust server-side logic, defining and maintaining our central database, and ensuring high levels of performance and responsiveness to front-end requests. Additionally, you will collaborate closely with front-end developers to seamlessly integrate their elements into the application. A foundational understanding of front-end technologies is essential to excel in this role.

SentiLink is at the forefront of revolutionizing identity verification in the United States, delivering cutting-edge identity and risk solutions that enable institutions and individuals to transact with confidence. Our mission is to replace outdated and inefficient verification processes with solutions that are ten times faster, smarter, and more accurate.Our success has been remarkable, as we rapidly expand our services beyond financial services into diverse markets, having verified hundreds of millions of identities through our real-time APIs. We are proud to be backed by leading investors like Craft Ventures, Andreessen Horowitz, NYCA, and Max Levchin.Our innovative approach has garnered attention from major media outlets including TechCrunch, CNBC, Bloomberg, Forbes, and Business Insider, and we have consistently earned a spot on the Forbes Fintech 50 list since 2023. Notably, we made history as the first company to go live with the eCBSV and have testified before the United States House of Representatives regarding the future of identity.SentiLink embraces a flexible work environment, supporting fully remote positions as well as in-office opportunities across our locations in Austin, San Francisco, New York City, Seattle, Los Angeles, and Chicago in the U.S., along with Gurugram (Delhi) and Bengaluru in India. We encourage team collaboration and welcome those near our offices to engage in regular office activities. Some roles, like our engineering team in India, operate primarily in-office.Role:We are seeking a dynamic Engineering Manager to spearhead a backend/platform-focused engineering team responsible for driving SentiLink’s core products. This team will oversee the backend systems, external APIs, and services essential for these experiences, establishing a robust technical foundation that ensures our products are scalable, reliable, and secure.You will lead a small yet growing team of engineers focused on building API-driven systems, advancing our platform architecture, and empowering product teams to innovate with speed and confidence.

About CrunchyrollFounded by passionate fans, Crunchyroll is at the forefront of delivering the vibrant art and culture of anime to an enthusiastic global community. We cater to over 100 million anime and manga aficionados across 200+ countries and territories, enabling them to engage with the beloved stories and characters they adore. Our offerings span across various mediums including streaming video, theatrical releases, games, merchandise, events, and more—all powered by the rich anime content that unites us.Join our dedicated team and play a pivotal role in shaping the future of anime entertainment!About the TeamThe Platform Development organization is the backbone of Crunchyroll's core access and security platform. This sophisticated framework encompasses authentication, authorization, notifications, and AI runtimes, empowering other teams to construct fan-centric features atop a solid, compliant, and versatile foundation.Our mission is to ensure reliable and secure access for fans across a multitude of devices and partners, seamlessly integrating access services with data and compliance orchestration. We strive to evolve notifications and AI inference into reusable platform capabilities that hasten the launch of products and partnerships. Our collaborative efforts span across product, data, security, client engineering, video, and service monetization teams to deliver exceptional experiences to millions of anime enthusiasts worldwide.About the RoleAs the Senior Manager of Platform Engineering, reporting to the VP of Platform Engineering, you will lead a dynamic team of software engineers responsible for building and operating the essential services that govern fan access at Crunchyroll. This includes overseeing login, identity management, authorization, partner authentication, compliance-centered account flows, notifications, and AI runtimes.Your leadership will be instrumental in defining the team's strategy and execution, driving the transformation of legacy authentication and Identity and Access Management (IAM) into safer, more efficient platform services. You will work on stabilizing and evolving our notification systems toward a unified orchestration layer and collaborate closely with our data team to establish the groundwork for a shared AI inference platform. Drawing on your engineering and leadership expertise, you will elevate our standards for architecture, reliability, security, and delivery while nurturing a high-performing, inclusive team that embodies Crunchyroll's values.We welcome applications from candidates within the San Francisco Bay Area.

Join Mixpanel as a Senior Engineering Manager for our Product Platform team, where you will lead a talented group of engineers in the design and development of innovative solutions that enhance user experience and drive business growth. You will be instrumental in shaping the future of our product offerings while fostering a collaborative and inclusive team culture.

About Scribd:At Scribd Inc. (pronounced “scribbed”), we ignite human curiosity through the power of storytelling and knowledge sharing. Our mission is to democratize the flow of ideas and information, empowering collective expertise through our suite of products: Everand, Scribd, Slideshare, and Fable. Join us in reshaping the landscape of digital content.We are proud to have an open position within our innovative team.Our culture encourages authenticity and boldness, fostering an environment where we engage in meaningful debates and embrace change. Every team member is empowered to take initiative as we focus on delivering exceptional experiences for our customers.We value the balance between individual flexibility and communal connections. With our flexible work benefit, Scribd Flex, employees collaborate with their managers to choose a daily work style that aligns with their personal needs. This initiative also emphasizes the importance of intentional in-person interactions to cultivate collaboration, culture, and connection. Therefore, occasional in-office attendance is expected from all Scribd employees, regardless of their location.We seek individuals who embody “GRIT” - a blend of passion and perseverance towards long-term goals. At Scribd, we are inspired by the potential this mindset unlocks, encouraging every employee to adopt a GRIT-ty approach in their work. In practical terms, GRIT represents our standards: setting and achieving Goals, delivering Results, fostering Innovation, and promoting a positive Team atmosphere through collaboration.About the Role:As a Senior Engineering Manager within our Growth Platform team at Scribd, you will play a pivotal role in shaping our growth strategy. You will lead a talented team dedicated to building innovative systems and integrations that enhance user acquisition, onboarding, retention, and lifecycle marketing across our brands. Your leadership will be crucial in developing tools for campaign management, tracking, attribution, and audience segmentation.

Role overview ditto is seeking a Senior Platform Engineer, Operator for a fully remote role. This position is open to candidates located in Atlanta, Austin, San Francisco, or Seattle. The focus is on designing, building, and maintaining systems that keep company operations running smoothly and efficiently at scale. What you will do Design and implement systems that improve platform scalability, performance, and reliability. Maintain and enhance the existing infrastructure to support ongoing business operations. Work closely with cross-functional teams to address technical challenges and streamline processes. Use technical expertise and leadership to drive key platform initiatives. Requirements Extensive experience in platform engineering. Strong problem-solving abilities and a collaborative mindset. Proven ability to contribute technical insights and lead engineering projects. Location This is a remote position. Candidates must be based in Atlanta, Austin, San Francisco, or Seattle.

At NerdWallet, we are committed to empowering individuals to make informed financial decisions. Our team comprises exceptional individuals who thrive in an inclusive, flexible, and candid environment. Whether you choose to work remotely or in the office, we prioritize your well-being, professional development, and the impact you can make. We believe that when one of us elevates our skills, the whole team benefits.As part of NerdWallet’s Platform team, you will oversee the systems that serve as the backbone of our consumer experience. This includes management of our centralized product data platform, partner ingestion pipelines, publishing and click-tracking infrastructure, GraphQL gateway operations, and our high-traffic, headless WordPress CMS. These platforms deliver precise, compliant, and high-performance product and content experiences to millions of users on both web and mobile platforms. We are searching for a Senior Engineering Manager to lead this team in modernizing legacy services into scalable and reliable systems while advancing our vision of a decoupled, adaptable platform that facilitates quicker publishing, enhanced observability, and future growth.In the role of Senior Engineering Manager for Platform Systems, you will guide and support a team of engineers in delivering high-quality, scalable, and secure software that aligns with NerdWallet’s product and business objectives. You will collaborate closely with Product Managers and other cross-functional partners to define the roadmap, prioritize tasks, and eliminate obstacles, while nurturing strong engineering practices and a culture of continuous improvement. Your responsibilities will include ensuring technical quality, team well-being, and daily operations, while mentoring engineers, making strategic technical decisions, and balancing immediate deliverables with long-term sustainability, compliance, and reliability.This position reports to the Director of Engineering.Opportunities for Impact:Lead, mentor, and develop a high-performing engineering team responsible for NerdWallet’s platform systems, including the Content Platform, CMS, and Product Data Platform.Collaborate with Product Managers and cross-functional teams to strategize, prioritize, and execute the product roadmap.Champion consistent adherence to software development best practices, including code quality, testing, documentation, and operational excellence.Influence and guide technical and architectural decisions to ensure solutions are scalable, secure, reliable, and compliant with regulatory standards.Balance immediate project needs with long-term project vision and maintainability.

At Databricks, we are dedicated to empowering data teams to tackle the world's most challenging issues, from realizing the next generation of transportation to expediting medical advancements. Our mission involves constructing and managing the premier data and AI infrastructure platform, enabling our clients to leverage profound data insights to enhance their operations. The Workspace Platform team is embarking on an ambitious journey to scale our customer base by 100x and support the evolution of agentic AI workloads. Our objective is to create a unified, consistent, and foundational Shared Platform that enhances the overall Databricks Workspace experience. As a Senior Engineering Manager within the Workspace Platform team, you will spearhead the development of a cohesive infrastructure that underpins vital customer-facing functionalities across various Databricks products. These include Content Discovery (similar to Google Search), Content Organization (akin to Google Drive), collaborative code editing, and repository management (comparable to GitHub). This is a high-impact opportunity to lead a team of approximately 20 software engineers in developing platform features, intuitive workspace experiences, and essential partner integrations that are pivotal to Databricks' growth and user adoption.

Why Choose Flux?At Flux, we're redefining the landscape of hardware development by pioneering the world's first AI Hardware Engineer. Our mission is to make cutting-edge hardware design accessible to everyone, transforming the way electronics are conceived and manufactured globally.Role OverviewWe are developing an AI-driven ECAD platform that empowers hardware teams to collaboratively create real, manufacturable electronic components directly in a browser environment. As a Senior Front End Product Engineer, you will play a pivotal role in enhancing the web application experience, focusing on core editor interfaces, collaboration features, and user interfaces designed around AI-powered workflows.Your primary tools will be React and TypeScript, working in close collaboration with design teams and ECAD engineers to ensure our complex, real-time application remains intuitive and efficient for users.We are also open to mid-level candidates who demonstrate significant ownership of similarly intricate products.

At Fastly, we empower individuals to maintain meaningful connections with the things they cherish. Our cutting-edge edge cloud platform allows customers to deliver exceptional digital experiences with speed, security, and reliability by processing and securing applications as close to end-users as possible — right at the edge of the Internet. Our platform is engineered to harness the potential of the modern internet, enabling programmability and supporting agile software development. We proudly serve some of the world's most influential companies, including GitHub, Yelp, Paramount, and JetBlue.Join us in building a more trustworthy Internet.Posting Open Date: Reposted March 30, 2026Anticipated Posting Close Date*: April 20, 2026*This job posting may close earlier due to high applicant volume. Senior Principal Engineer, Platform EngineeringAs a member of Fastly’s Platform Engineering team, you will be instrumental in establishing the essential frameworks that enable engineers to deliver quickly, safely, and at scale. In the role of Senior Principal Engineer, you will guide the technical direction and spearhead cross-organizational initiatives aimed at enhancing our platform, developer experience, and operational excellence. Collaborating closely with fellow engineers, you will work to eliminate friction, standardize best practices, and create paved roads to expedite product delivery. This is a highly collaborative and hands-on position, representing the Platform Engineering organization and reporting directly to the Senior Director of Engineering.

Join Checkr as an Engineering Manager for our Front End team, where you will lead a talented group of engineers in building innovative solutions that enhance our platform. You will play a pivotal role in shaping the user experience and driving the technical vision for our web applications. If you are passionate about technology, team leadership, and making a meaningful impact, we want to hear from you!

Okta, Inc. is seeking a Senior Client Platform Engineer to join its San Francisco office. This position centers on managing and securing the company’s Apple device fleet, while also contributing to endpoint management across Windows and Linux platforms. Team and Impact The Technology, Data, and Insights (TDI) team at Okta drives company-wide scalability. Engineers here focus on automation, rigorous testing, and performance improvements that shape the daily experience for every Okta employee. The Senior Client Platform Engineer plays a key role in maintaining a seamless and secure environment throughout the organization. What You Will Do Apple Fleet Management: Oversee global macOS and iOS device management using Jamf Pro. This includes device enrollment, configuration profiles, and application deployment. Automation and Tools: Apply expertise with Jamf Pro and open-source tools such as Munki and Santa. Use unified solutions like FleetDM to bridge multiple platforms. Cross-Platform Support: Support and help secure Windows environments (with Intune) and Linux systems as part of Okta’s endpoint management approach. Customer Zero: Collaborate with Product and Engineering teams to test new identity and device management features, provide actionable feedback, and influence tools used by millions. Role Details This position reports to the Senior Manager of Client Platform Engineering. The role is well suited to an engineer looking to deepen expertise in the Apple ecosystem while expanding influence across other operating systems.

Embrace the Future of Commerce with Whatnot!Whatnot stands as North America and Europe’s premier live shopping platform, dedicated to transforming the way you buy, sell, and discover your favorite items. We are on a mission to redefine e-commerce by seamlessly merging community engagement, shopping, and entertainment into a unique experience tailored just for you. As part of a remote, co-located team, we thrive on innovation while being firmly rooted in our core values. With operational hubs across the US, UK, Germany, Ireland, and Poland, we are collaboratively shaping the future of online marketplaces.Our live auctions span a diverse range of categories from fashion and beauty to electronics and collectibles, including trading cards, comic books, and even live plants. There’s truly something for everyone!And this is just the beginning! As one of the fastest-growing marketplaces, we are in search of bold, innovative problem solvers across all functional areas. Stay updated with the latest Whatnot news through our news and engineering blogs, and join us in empowering individuals to transform their passions into thriving businesses, fostering connections through commerce. Your RoleWe are seeking hands-on leaders—intellectually curious and technically proficient individuals ready to influence the future of AI and ML at Whatnot. In this pivotal role, you will spearhead the development and scaling of the foundational infrastructure that supports machine learning and self-hosted large language model applications across our organization. Collaborating closely with machine learning scientists, you will drive the implementation of innovative models powered by near-real-time features, enhancing product experiences. This entails building robust systems that ensure advanced ML is both reliable and efficient at scale—from low-latency deep learning model serving and streaming feature ingestion to distributed training and high-throughput GPU inference. As a managerial role, a strong technical foundation is essential, and potential candidates should be enthusiastic about diving deep into the details. You will elevate architectural discussions, provide insightful technical feedback, and dedicate at least one day a week to coding.Your Responsibilities:Lead the infrastructure supporting AI and ML models across critical business areas, enhancing growth, recommendations, trust and safety, fraud detection, seller tooling, and more.Oversee the prototyping, deployment, and productionization of innovative ML architectures, ensuring they align with our strategic objectives.

Join Kiddom as a Senior Front End Software EngineerAt Kiddom, we are revolutionizing education with our innovative platform designed to foster student equity and growth. By integrating high-quality instructional materials with engaging digital learning experiences, we empower schools and districts to take charge of their curriculum. Our platform not only enhances educational outcomes but also provides invaluable data insights for teachers and leaders to refine their instructional strategies and professional development.As a Senior Front End Software Engineer, you will play a key role in crafting impactful product experiences utilized by educators, students, and administrators on a daily basis. Collaborating closely with product managers, designers, and backend developers, you will create scalable and user-friendly front-end systems. This position is perfect for a detail-oriented individual who values craftsmanship and excels in a collaborative, mission-driven environment.

Join our innovative team at Unify as a Senior Software Engineer, Platform, where you will play a crucial role in enhancing our platform capabilities. You will collaborate with cross-functional teams to design, develop, and implement high-quality software solutions that meet our clients' needs.