Senior/Staff Fullstack Engineer

Complete is dedicated to transforming compensation into a strategic advantage for the most impactful companies globally. We're revolutionizing compensation processes by moving away from outdated spreadsheets to modern, efficient systems. Our solutions encompass comprehensive compensation cycle planning, leveling, total rewards statements for employees, and interactive candidate offers, among other features!Why Join Us at Complete?We understand that effective compensation strategies are vital to a company's success and represent one of its largest expenditures. Many enterprises struggle to develop and implement a solid compensation strategy, which can lead to significant financial and operational inefficiencies. We believe that innovative compensation approaches are the key to sustainable success.Complete is proudly supported by Accel and Y Combinator, and we are fortunate to have esteemed advisors like Will Larson (CTO of Carta), Eric Sagar (COO of Plaid), and Mathilde Collin (CEO of Front).About Our Team We are passionate builders focused on delivering quality. We believe that 21st-century software should be intuitive and require minimal training. Our culture is characterized by low ego and rapid execution. Success doesn't come from large teams but from focused efforts. Our tight-knit team of fewer than 10 people combines exceptional product and business expertise, allowing us to compete effectively in the market. This is your opportunity to join us at a pivotal moment!⭐ Our clientele ranges from innovative startups like Linear and Brex to established public companies like Roblox, and we are continually adding remarkable names to our roster. We thrive in a collaborative environment at our San Francisco office, located near Embarcadero BART, where we work together in person 4-5 days a week. We believe that bringing top talent together in a creative space is the fastest route to success.Your RoleAt this exciting juncture, we are seeking Senior or Staff Engineers to help us scale towards $XXM+ in ARR. Ideal candidates are those who are proactive, enjoy working with urgency, and have a strong focus on customer outcomes. You will have the opportunity to make significant contributions in three key areas:Ownership: We are looking for experienced individuals who can take charge of projects and drive them to successful completion.

Join cleara as a Fullstack Engineer, where you will play a pivotal role in developing and optimizing our software solutions. You will collaborate with cross-functional teams to deliver high-quality applications that meet the needs of our clients.

P-925 At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging issues—from realizing the next mode of transportation to accelerating groundbreaking medical advancements. Our mission is to construct and operate the world’s premier data and AI infrastructure platform, enabling our customers to leverage deep data insights for business enhancement. Founded by engineers and driven by customer obsession, we eagerly embrace every opportunity to confront technical challenges, from designing next-generation UI/UX for data interaction to scaling our services and infrastructure across millions of virtual machines. And we’re just getting started. As a Staff Fullstack Engineer, you'll collaborate with your team and product management to simplify the extraction of insights from data. We seek engineers who are customer-focused and who can take ownership of the entire product and user experience beyond mere technical implementation. You will lay the groundwork for the creation of robust, scalable, and delightful products. Here are some of the impactful experiences you will develop for our customers, guiding them through the complete project lifecycle—from data loading and results visualization to statistical model creation and production deployment: Streamlined workflows for creating, configuring, and managing large-scale compute clusters, networks, and data sources. Design, deploy, test, and enhance complex data pipelines featuring powerful data visualization capabilities. Facilitated onboarding and management processes that empower all organization members to become data-driven. Deliver an exceptional SQL-centric data exploration and dashboarding experience on Databricks. An interactive environment for collaborative data projects at a massive scale, with a clear pathway to production.

At CreatorIQ, we are the leading operating system for creator-led growth, trusted by over 1,300 brands and agencies globally. Our mission is to humanize business and amplify individual impact through our core values: intentionality, excellence, collaboration, and humanity. Recognized as one of the best companies to work for by BuiltIn LA and NY, we have been listed among the Fastest-Growing Companies in North America on the Deloitte Technology Fast 500™ for four consecutive years. In 2025, we were acknowledged as a leader in the IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises and praised by The Forrester New Wave™: Influencer Marketing Solutions. With a consistent 5-star rating on Influencer MarketingHub and recognition from G2, we pride ourselves on fostering a flexible work environment that promotes collaboration and innovation.We are on the lookout for passionate and innovative individuals to join our dynamic team. Together, let’s revolutionize the industry!Staff Fullstack Engineer (Backend Focus)In this pivotal role on our Product Innovations team, you will take the lead as a tech expert for AI and ML-driven software initiatives, seamlessly transitioning experimental pilots into production-grade releases. Your responsibilities will span the entire tech stack, where you will design data architectures, develop robust APIs and webhooks, and construct pipelines that empower leading global brands in creator marketing.

About WorkWhileWorkWhile is dedicated to transforming the way hourly workers earn a living and improve their quality of life. With over 80 million Americans in hourly jobs facing unpredictable schedules, low wages, and limited benefits, we aim to provide financial stability through innovation.Our mission is to revolutionize frontline work by fostering a more flexible and efficient labor market. Utilizing AI technology, our platform enables businesses to swiftly connect with top-tier talent while offering workers same-day pay, complimentary telehealth services, opportunities for skill enhancement, and the freedom to select shifts that suit their skills and availability.With an ambitious goal to align incentives and address inefficiencies in the labor market, we are disrupting the $650 billion staffing and recruiting sector. Supported by Khosla Ventures and recognized by the Inc. 5000 for our remarkable growth, WorkWhile is reimagining the future of work.

Join the Innovative Team at Nooks.ai:Nooks is revolutionizing the sales landscape with our cutting-edge AI Sales Assistant Platform (ASAP). By automating repetitive tasks, we empower sales representatives to focus on building relationships and closing deals, leading to increased sales pipelines. Our platform has enabled countless sales professionals to meet their targets, saving our clients hundreds of thousands of hours and generating substantial revenue. We take pride in being the preferred choice for sales teams at industry leaders like Hubspot, Rippling, and Toast, among many others.With over $70M raised from prestigious VCs such as Kleiner Perkins, we are on an impressive growth trajectory, having quadrupled our Annual Recurring Revenue (ARR) in the last two years and aiming for another tripling this year.Discover more about us at Nooks.ai.About the Position:We are seeking a talented Software Engineer to enhance our Core Dialer team. Your mission will be to elevate the user experience of our dialer functionalities—including dialing, task management, configuration settings, connected views, smart lists, and browser extensions—ensuring our sales tools are fast and reliable.Your Responsibilities:Develop and maintain essential dialer features that sales representatives use daily.Collaborate with design and product teams to implement user experience enhancements with meticulous attention to detail.Optimize backend APIs and frontend performance to minimize latency and streamline complex processes.Work cross-functionally with Integrations and Voice Infrastructure teams to ensure seamless operations.Take ownership of enhancing the dialer experience systems.Gain valuable experience with distributed systems and integrations.We Are Looking For Candidates Who Have:3 to 5 years of engineering experience, preferably in SaaS applications.Proficiency in modern frontend technologies (React) and backend development (Node/TypeScript, REST APIs).A solid understanding of data modeling and caching solutions (Postgres, Redis).A passion for working closely with users and rapidly iterating on features.At Nooks, we offer competitive compensation packages that include base salary, equity, and comprehensive benefits. Join us in shaping the future of sales technology!

About SprigSprig is revolutionizing experience research with its AI-driven successor to traditional survey tools such as Qualtrics, Medallia, and SurveyMonkey. We envision a future where experience research is efficient, smart, and seamlessly integrated into the product development process.Our mission is to simplify deep customer understanding, making it continuously accessible. With Sprig, product teams transition from guesswork to clear insights, utilizing AI to unveil critical data, streamline workflows, and empower teams to deliver outstanding customer experiences in real-time.Renowned companies like Notion, Figma, Coinbase, and TripAdvisor leverage Sprig to foster deeper customer relationships. We are rapidly scaling towards $100M ARR, introducing innovative AI-driven features, and broadening our influence among the world’s leading companies.If you thrive on ambitious concepts, fast-paced growth, and the chance to reshape an entire industry, we invite you to connect with us.About the RoleAs part of Sprig's mission, we are assembling a top-tier product experience platform that empowers leading businesses to gain comprehensive insights into user interactions with their products at scale. The Core team is responsible for the complete experience of developing studies and deploying them across client applications using an installable client-side SDK.Our fullstack engineers play a crucial role in designing and implementing features across a JavaScript SDK client, managing APIs that handle thousands of requests per second, and creating an intuitive user interface for study creation. You will oversee web application releases and SDK versions across multiple platforms, prioritizing an optimal developer experience for thousands of developers utilizing our tools.Your contributions will reach millions of users globally.This position is based in San Francisco, requiring three days of in-office work.

Senior Staff Software Engineer Location: Hybrid - Palo Alto Office on Tuesdays and Thursdays Make a Meaningful Impact At Midi Health, we're on a mission to transform women's healthcare. We are seeking a dynamic Senior Staff Fullstack Engineer who will act as a technical cornerstone within our Engineering Organization. As we expand, you will play a crucial role by translating intricate insights into cohesive technical blueprints and innovative products that drive our vision forward. Your Responsibilities Diagnose intricate technical challenges and spearhead architectural evaluations across diverse teams to mitigate technical debt, establish cross-service frameworks, and secure the long-term viability of Midi’s healthcare infrastructure. Function as a 'part-time product manager for technology', championing essential infrastructure enhancements that foster future operational agility. Design and develop outstanding, scalable, and adaptable products and code, striking a balance between execution speed and scalability. Influence engineering culture positively by promoting best practices for automated testing, CI/CD, and maintaining high-quality code across the entire stack. Assess high-level technical and business issues, architecting elegant and flexible solutions that consider long-term scalability and business expansion. Collaborate with Executive Leadership, Product, Marketing, and Clinical Stakeholders to uncover unmet customer and operational needs, translating business objectives into technical strategies that yield results for our patients and clinicians. Mentor senior and junior engineers through formal and informal channels, nurturing an environment of curiosity, humility, and technical excellence. About You You bring over 8 years of experience in building and scaling intricate engineering solutions, with a demonstrable history of leading large-scale architectural migrations in a startup setting. You have proven expertise in Django/DRF and React/Next.js. You are adept at navigating high-level abstractions, converting vague product and growth aspirations into tangible technical roadmaps. Your diverse background includes creating consumer-facing products alongside deep proficiency in architecting complex operational and workflow management systems. You are an advanced user of agentic coding tools and LLMs (e.g., Claude Code, GitHub Copilot) to expedite development and guide the team on high-leverage prompting and code auditing strategies.

P-160 About Us At Databricks, we are dedicated to empowering data teams to tackle some of the most challenging problems in the world — from transforming the next mode of transportation into a reality to expediting the development of medical innovations. We achieve this by developing and operating the leading Data Intelligence Platform, enabling our customers to leverage profound data insights that enhance their operations. Founded by engineers with a customer-centric approach, we eagerly embrace every opportunity to confront technical challenges, whether it involves designing next-generation UI/UX interfaces for data interaction or scaling our services and infrastructure across millions of virtual machines. Our journey is just beginning. As a Senior Full Stack Software Engineer, you will collaborate with your team and product management to simplify data insights for our users. We seek engineers who are customer-focused and capable of overseeing the entire product lifecycle, extending beyond mere technical execution. You will lay the groundwork for creating robust, scalable, and delightful products. Below are examples of experiences you will design for our customers, facilitating the complete project lifecycle from data loading and results visualization to statistical model creation and production deployment: User-friendly workflows for creating, configuring, and managing large-scale compute clusters, networks, and data sources. Develop, deploy, test, and upgrade intricate data pipelines, featuring powerful visual data graphs. Streamlined onboarding and management for all organizational members to adopt a data-driven approach. Exceptional SQL-centric data exploration and dashboarding experience on Databricks. An interactive environment for collaborative data projects at scale, with a straightforward path to production.

Role Overview Sigma Computing builds a high-performance data platform designed to make analytics accessible and useful for a wide range of users. The engineering team is growing, and Sigma is looking for a Fullstack Staff Software Engineer in San Francisco, CA. This role focuses on solving technical challenges across the stack and shaping features that help businesses work with data more easily. What You Will Do Tackle complex engineering problems to deliver fast, interactive analytics and workflow applications on top of modern data warehouses. Develop software using tools and languages such as Rust, Go, GraphQL, and Typescript. Create new algorithms and techniques to improve performance and interactivity for analytics used by large enterprises. Investigate, debug, and resolve product or system issues by identifying root causes. Design and build new software features to support a rapidly increasing user base. Work closely with teams across infrastructure, design, product, customer support, sales, and marketing to deliver new product capabilities.

Flex is hiring a Senior Fullstack Software Engineer to join the Risk Engineering team. This position can be based in New York, San Francisco, or remote within the U.S. Role overview This role centers on designing, building, and maintaining applications that support Flex’s risk management efforts. The Senior Fullstack Software Engineer will collaborate closely with teammates to deliver solutions that improve how risk is assessed and managed across the company. What you will do Develop and maintain both frontend and backend components for risk-related applications Work with team members to design features and solve technical challenges Contribute to projects from initial planning through deployment Requirements Experience in both frontend and backend software development Ability to drive projects through the full development lifecycle Interest in building solutions that support risk management

At Plaid, we envision a future where financial interactions are seamless and empowering. Our mission is to revolutionize how individuals manage their finances through innovative tools and experiences utilized by thousands of developers. We support millions in achieving healthier financial lives by enabling connections to their financial accounts through the apps they love. Collaborating with leading companies such as Venmo, SoFi, and many Fortune 500 firms, our network encompasses over 12,000 financial institutions across the U.S., Canada, the UK, and Europe. Established in 2013, our headquarters is in San Francisco, with additional offices in New York, Washington D.C., London, and Amsterdam.As a Senior Fullstack Software Engineer at Plaid, you will play a pivotal role in shaping the future of financial access. You will design and develop robust systems and engaging user experiences that facilitate millions of connections to their finances. Your expertise will span the entire technology stack, allowing you to create scalable backend services and APIs while also delivering intuitive frontend experiences that bring our solutions to life.This position is perfect for engineers who thrive on alternating between backend problem-solving and frontend design, and who are eager to amplify their influence across both domains. You will work collaboratively with product managers, designers, and fellow engineers to deliver reliable, secure, and user-friendly products. At Plaid, you will take ownership early, contribute to key architectural decisions, and witness your contributions impacting millions of users.

Woflow is an innovative technology startup dedicated to developing cutting-edge products and solutions for the rapidly evolving on-demand economy. Our flagship offering is a comprehensive platform that empowers our clients to seamlessly request and obtain structured merchant data, including menus, images, and store details, through a blend of web applications and public APIs. At the core of our operations, advanced machine learning and artificial intelligence models work in tandem with an automated distributed workforce management system. Proudly, we are recognized as the world's first Merchant Data Platform.We cater to a diverse clientele, including food delivery services, online ordering systems, and e-commerce marketplaces, providing the robust data infrastructure necessary for their growth and scalability.As a Senior Fullstack Engineer at Woflow, you will play a pivotal role in guiding the evolution of our products and the overall direction of the company. Your day-to-day responsibilities will involve planning innovative features, owning product development from inception to completion, and collaborating with the operations team to address and resolve customer concerns. To excel in this role, a passion for coding, meticulous attention to detail, and a commitment to delivering projects with pride are essential.Key Responsibilities:Collaborate across the technology organization, including engineering, product, and devops/data science teams, to deliver cohesive and successful products.Engage directly with the operations team to ensure our data infrastructure remains efficient and effective.Commit to providing an exceptional user experience by writing clean, maintainable, and efficient code.Thrive in a fast-paced, agile environment where your contributions will directly impact our success.Required Qualifications:A minimum of 5 years of professional software development experience.A strong passion for coding and a continual desire to learn and grow.Proven ability to deliver projects with exceptional attention to detail.Preferred Qualifications:Experience with Ruby on Rails.Proficiency in React.Familiarity with Apollo, GraphQL, and web crawling technologies.

Join Patreon as a Senior Fullstack Engineer focused on enhancing our community features. In this pivotal role, you will work collaboratively to design, develop, and maintain innovative solutions that empower creators and foster engagement within our platform. Your expertise in both front-end and back-end technologies will be essential in driving impactful projects that resonate with our user base.

Engineering at Ivo At Ivo, our engineers are the architects of innovation. We pride ourselves on being pioneers in the tech industry, having delivered:An AI agent that integrates seamlessly with MS Word to assist in document editing [2023]A revolutionary approach to embedding models with agentic RAG [2023]Large-scale LLM-based legal fact extraction solutions [2024]A cutting-edge legal assistant capable of efficiently searching extensive contract databases without compromising accuracy [2024]Innovative clustering of legal documents from the same family [2025]Advanced automatic deviation analysis to uncover hidden risks in massive contract databases [2025]The ability to merge contracts with their amendments to create a comprehensive timeline of 'composite' contracts, bringing tears of joy to our clients [2025] RoleAs a Staff Software Engineer at Ivo, you will design, develop, and deploy advanced generative AI products. Your responsibilities will include:Creating comprehensive full-stack generative AI functionalitiesDelivering high-performance UI code and backend systems capable of processing and analyzing millions of contracts efficientlyDesigning intricate pipelines to orchestrate LLMs, data extraction, and clustering algorithms at scaleCollaborating with designers, legal experts, and fellow engineers to reinvent legal workflows in the AI era MissionIn today's fast-paced business environment, in-house legal teams are often overwhelmed, facing long hours and tight deadlines. Our mission at Ivo is to empower these lawyers by leveraging LLMs to reclaim their time. We are building an AI-native platform that automates tedious legal tasks, significantly improving the lives of legal professionals. Despite fierce competition, our software boasts the highest trial win rate in the industry at 85%. We are making a genuine impact, and this is just the beginning.

About Ivo Inc. Ivo Inc. builds generative AI technology for the legal sector. Based in San Francisco, the team focuses on practical solutions that help legal professionals work more efficiently. The company’s platform automates and streamlines contract analysis, document editing, and risk detection for in-house legal teams. Recent Engineering Projects AI agents that integrate with MS Word for automated document editing (2023) Shifting from generic embeddings to agentic RAG for better accuracy (2023) Large-scale LLM-based legal fact extraction (2024) Legal assistant for searching large contract databases with high precision (2024) Clustering legal documents from the same source for improved organization (2025) Automatic deviation analysis to surface hidden risks in contract archives (2025) System for merging contracts and amendments into unified composite contracts (2025) Role Overview: Staff Software Engineer - Fullstack This role focuses on designing and building full-stack features using generative AI. Staff Engineers at Ivo work across the stack and partner closely with product, design, and legal experts. What You Will Do Design and implement full-stack generative AI features Build high-performance user interfaces and backend systems that process millions of legal contracts Create and maintain data pipelines that coordinate LLMs, data extraction, and clustering at scale Work with designers, legal professionals, and engineers to improve legal workflows with AI Our Mission Ivo’s goal is to help in-house legal teams reclaim time from repetitive work. The team uses advanced LLMs to automate tedious legal tasks, so lawyers can focus on higher-value work. The platform’s impact is clear: Ivo holds an 85% trial win rate, the highest in the market, and receives consistently positive user feedback.

About Nooks.ai:Nooks is revolutionizing sales with its AI Sales Assistant Platform (ASAP), designed to streamline tedious tasks so that sales representatives can concentrate on the human aspects of selling, ultimately driving greater sales pipelines. Trusted by thousands of sales professionals, Nooks has significantly contributed to achieving quotas, saving customers countless hours, and generating substantial revenue streams for organizations including Hubspot, Rippling, and Toast.Our high-performing team has successfully raised over $70M from leading venture capitalists, including Kleiner Perkins, marking their first investment in sales technology in over a decade. Over the past two years, we have quadrupled our Annual Recurring Revenue (ARR) and aim to triple it again this year.Learn more at Nooks.ai.About the Role:We are in search of a talented Senior Fullstack Engineer to join our Core Dialer team. This role entails enhancing the core user-facing dialer experience—encompassing dialing, task management, configurations, connected views, smart lists, and browser extensions—while ensuring optimal speed and reliability for our sales teams.Your Responsibilities:Develop and maintain essential dialer features utilized daily by sales representatives.Collaborate closely with design and product teams to deliver polished user experience enhancements.Optimize backend APIs and frontend performance to minimize latency and complexity.Work cross-functionally with Integrations and Voice Infrastructure teams to ensure seamless integration of workflows.Take ownership of dialer experience systems, progressing towards senior leadership within the team.Gain valuable exposure to distributed systems and their integrations.Qualifications:3 to 5 years of engineering experience, preferably in SaaS product development.Proficient in modern frontend technologies (React) and backend frameworks (Node/TypeScript, REST APIs).Strong foundation in data modeling and caching solutions (Postgres, Redis).Passionate about user engagement and agile iteration.At Nooks, we offer competitive compensation for eligible positions, including a base salary, equity, and comprehensive benefits package.

Join Our Team at Triumph ArcadeAt Triumph Arcade, we are revolutionizing mobile gaming by allowing players to wager and win real money, participate in massive multiplayer games, and engage in social tournaments. Our flagship app has rapidly ascended to the top of its App Store category, achieving remarkable month-over-month growth in both revenue and active users. As we continue to expand, we are excited to launch innovative products like Rips, our successful collectibles app that is breaking new ground in the industry.Supported by leading venture capital firms such as Goodwater Capital, General Catalyst, and DraftKings Drive Fund, Triumph Arcade is poised for incredible growth.Your RoleAs a Senior Fullstack Software Engineer on our web development team, you will play a crucial role in driving both revenue and company growth by transforming our successful mobile app into a robust web platform. You will take ownership of our end-to-end web stack, internal tools, and dashboard, building the infrastructure necessary to foster business opportunities. Your initial focus will be to deliver a web version of Rips, setting the groundwork for future web and Android applications. By establishing high standards for this new platform, you will push the limits of what it means to be a leader in our category.Your ResponsibilitiesDevelop and establish our web platform, laying down the foundation and standards for future web and Android applications.Leverage existing backend systems and infrastructure to construct a web version of Rips within a 3-6 month timeframe.Define best practices and standards for React development, with potential opportunities to work on React Native.Oversee the internal tools and dashboard, implementing enhancements that improve team efficiency and facilitate data-driven decision-making.Collaborate with backend engineers to design APIs and data models, contributing to both API architecture and application performance.Enhance user experience through thoughtful motion design, micro-interactions, and responsive design that feels intuitive and native.

Role Overview Sigma Computing builds a high-performance platform that helps businesses work with modern data architectures. The engineering team is growing and looking for experienced fullstack engineers who enjoy solving complex problems and building solutions across the stack. The team’s mission: make data accessible for everyone. What You Will Do Work on challenging technical problems to deliver fast, interactive analytics and workflow experiences using modern data warehouses. Build software with tools and languages such as Rust, Go, GraphQL, and TypeScript. Design algorithms and techniques that improve performance and interactivity for analytics used by some of the world’s largest companies. Investigate and resolve product or system issues by identifying root causes. Develop and launch new features to support a growing base of users. Collaborate with teams across infrastructure, design, product, customer support, sales, and marketing to create new product capabilities. Location This position is based in San Francisco, CA.

Join Zencastr in our mission to amplify voices across the globe. If you're eager to innovate and revolutionize the podcasting landscape, we invite you to be part of our dynamic, fully remote team of forward-thinkers passionate about making a difference one voice at a time.What You’ll Bring:Proficient in Node.js with a solid grasp of JavaScript fundamentals.Strong understanding of computer science principles, including memory management and algorithmic complexity.Aspirations to innovate, whether it’s through entrepreneurial ventures or solving complex tech challenges.Enjoyment in coding with JavaScript or TypeScript.A keen eye for performance optimization in applications.Comfortable navigating both browser environments and Node.js runtimes.A collaborative spirit and strong communication skills.What Makes You Stand Out:A passion for developing high-performance applications.Notable contributions to open source projects.Desire to thrive in a fast-growing startup environment with its inherent challenges.Empathy for end users, driving your advocacy for their needs during the development process.Commitment to maintaining high code quality and best practices in engineering.Why Zencastr?Collaborate with world-class engineers and designers in a fully remote setup.Thrive in an agile, rapidly evolving work environment.Receive equity reflective of your contributions in a profitable company.Enjoy comprehensive health insurance.Face unique challenges supported by talented colleagues.