Senior Staff Software Engineer, AI - Member Growth

Employee Applicant Privacy NoticeAbout Us:Join us in reshaping the financial landscape. At SoFi, we are revolutionizing how individuals engage with personal finance, empowering our members with innovative, mobile-centric solutions. As a pioneering financial services firm and national bank, we leverage cutting-edge technology to help our millions of members achieve their financial aspirations. In an era of unprecedented industry transformation, we take pride in our daily contributions that significantly enrich lives, guided by our core values. Invest in your future, your career, and the financial realm with us.The Position:We are looking for a Senior Staff Software Engineer, AI to join our Member Growth team, focused on delivering AI-driven value to SoFi Members. This position is crucial in enhancing our members' financial journeys through advanced personalization and AI solutions. You will spearhead the development of internal frameworks, tools, and applications that elevate our marketing, communication, and measurement capabilities.Our mission is to guide members towards financial independence by equipping them with the precise tools, resources, and insights they need to thrive. We aspire to be a reliable ally in their financial endeavors, providing timely and personalized insights that cultivate lasting confidence. Achieving this demands a thoughtful, highly customized approach tailored to each member's unique financial circumstances.The ideal candidate will have extensive expertise in Artificial Intelligence (AI) and Machine Learning (ML) systems, coupled with a fervor for developing next-generation products. At SoFi, we value seamless collaboration between Product, Design, and Engineering; hence, you will engage throughout the entire product lifecycle—from initial concept to deployment and continuous enhancement. We champion a culture of continuous learning and expect you to be equally committed to your professional development and mentoring colleagues.Your Responsibilities:Lead technical architecture and design decisions, facilitating cross-functional discussions for AI and ML solutions.Ensure the delivery of highly available and scalable services in a production environment.

fractional-ai is looking for a Senior or Staff Software Engineer to join the San Francisco office. This position centers on building advanced AI solutions with a team that values both technical depth and collaboration. Role overview This role focuses on designing and developing AI-driven systems. The work involves solving technical challenges and contributing to projects that push the boundaries of what AI can achieve. Collaboration with other engineers and stakeholders is a key part of daily responsibilities. Who will thrive Experienced engineers with a strong background in software development Those who enjoy working on complex technical problems Individuals who value teamwork and open communication Location This position is based in the San Francisco office.

Join Sanity, where we are pioneering the future of AI-driven Content Operations. Our innovative AI Content Operating System empowers teams to model, create, and automate content in alignment with their unique business processes, enhancing digital development and dramatically improving content operation efficiency. Industry leaders such as Linear, Figma, Riot Games, Anthropic, Spotify, Arc’teryx, and Morningbrew trust Sanity to automate their content workflows.As a Senior Software Engineer focused on AI Growth, you will be pivotal in developing the complete vertical for AI-native applications at Sanity. This includes advancing our Model Context Protocol (MCP) server and delivering agentic systems that can scaffold Sanity applications, Studios, and comprehensive front-end solutions. In collaboration with designers, product managers, and fellow engineers, you will engage in rapid experimentation, transforming the latest AI capabilities into tangible products. If you thrive on innovation, enjoy late-night tinkering with new model releases, and envision possibilities beyond conventional boundaries, this role is perfect for you.Recent achievements include:Sanity MCP Server – our remote MCP server, now generally available and recognized as one of eight official MCP servers in Vercel's v0.Sanity Agent Toolkit – agent rules exposed via MCP, including a Claude Code plugin featuring skills and slash commands.Auto-configured MCP in the CLI – the Sanity CLI now automatically detects code editors and configures the MCP server seamlessly.Your ResponsibilitiesEnhance our MCP server – introduce new functionalities, tools, and integrations that enable AI agents to interact more effectively with Sanity's content platform.Develop agentic developer tools – create systems that can autonomously generate Sanity applications and studios, along with frontend code with minimal human intervention.Design and execute evaluations – construct evaluation suites utilizing Braintrust to identify regressions, assess improvements, and make data-informed decisions regarding prompt and model modifications.

Role Overview SoFi is looking for a Principal Software Engineer focused on Member Growth to join the San Francisco headquarters. This role centers on designing and building software that improves the experience for SoFi’s members and supports the company’s mission to help people achieve financial independence. What You Will Do Lead the design and implementation of new software solutions aimed at increasing member engagement and growth. Guide and mentor a skilled team of engineers, providing technical direction and support. Work closely with cross-functional partners to deliver systems that scale with SoFi’s expanding user base. Apply modern technologies and engineering practices to create reliable, maintainable platforms. Location This position is based at SoFi’s San Francisco headquarters in California.

Join our dynamic team at Spring Health as a Senior Software Engineer I, where you will play a pivotal role in driving our member growth and retention initiatives. In this position, you will leverage your technical expertise to develop innovative software solutions that enhance our user experience and contribute to our mission of improving mental health care.

With support from prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private sector entities to tackle societal challenges with unparalleled speed and precision. Our AI-driven platform transforms isolated and disparate data into actionable intelligence, rapidly presenting critical information that enables improved decision-making and outcomes. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our reach into enterprise markets and international territories.TeamOur engineering team is deeply committed to the idea that empathy enhances our solutions. Understanding how users interact with our products is fundamental to our approach. Engineers have the unique opportunity to collaborate closely with our onsite team to grasp the diverse use cases that Peregrine addresses.We cherish both ownership and teamwork; you will be fully accountable for significant features while working hand-in-hand with fellow engineers to ensure successful delivery. We believe that humility and empathy are critical for crafting effective solutions, and you will engage directly with our deployment team and users as we refine our offerings to meet their needs. Ingenuity and perseverance are vital in realizing our vision.RoleAs part of our new AI team, you will play a key role in delivering unique value to our clients. This team is responsible for designing powerful and intuitive user experiences powered by generative AI. You will explore entirely new interaction methods for users—whether through natural language commands or by enabling AI agents to manage complex tasks on their behalf. Your contributions will shape impactful AI-driven features that assist customers in solving real-world challenges more efficiently.Your work will encompass a variety of intricate challenges, including scaling our platform to process terabytes of data from multiple sources, efficiently querying and alerting users about this data in real-time, and optimizing search algorithms for swift result delivery.While our technology stack is continuously evolving, it is built on a foundation that includes Python, Django, Celery, Airflow, and Kafka for the backend; React, Redux, and Mapbox for the frontend; PostgreSQL and Elasticsearch for data storage; machine learning models hosted in Bedrock and Sagemaker; and utilizing AWS, Pulumi, Terraform, and Kubernetes for our infrastructure.

At Catalog, we are pioneering the commerce infrastructure for AI—creating the essential framework that enables digital agents to not only explore the web but also comprehend, analyze, and engage with products. Our innovations drive the future of AI-driven shopping experiences, fundamentally transforming how consumers discover and purchase items online.Role OverviewAs a Technical Staff Member, you will be instrumental in developing core systems, shaping our engineering culture, and transitioning our vision from prototype to a robust platform. This role requires full-stack expertise and a commitment to owning and resolving challenges from start to finish.Who You AreYou have experience creating beloved and trusted products from the ground up.You combine technical proficiency with a keen product sense and data-driven intuition.You are well-versed in AI technologies.You prioritize speed, write clean code, and ensure thorough instrumentation.You seek a high level of ownership within a small, talent-rich team based in San Francisco.Challenges You Will TackleDevelop and deploy agentic-search APIs that deliver structured and real-time product data in milliseconds.Build checkout systems enabling agents to conduct transactions with any merchant.Create an embeddings and retrieval layer that optimizes recall, precision, and cost efficiency.Establish a product graph and ranking pipeline that adapts based on actual user outcomes.Preferred QualificationsProven experience shipping data-centric products in a live environment.Experience with recommendation systems or information retrieval methodologies.Familiarity with API development, search indexing, and data pipeline construction.Our Work CultureWe operate with a small, high-trust, and highly motivated team, fostering an environment of in-person collaboration in North Beach, San Francisco. Our process involves debate, decision-making, and execution.If your profile aligns with our needs, we will contact you to arrange 2-3 brief technical interviews, followed by an onsite meeting in our office where you will collaborate on a small project, exchange ideas, and meet the team.

At Crusoe, we are dedicated to accelerating the abundance of energy and intelligence. As a pioneering AI infrastructure company, we control every aspect of our operations — from energy generation to the digital tokens that power the world’s most ambitious AI workloads. Joining Crusoe means being part of a team that is shaping the future at an unprecedented pace.We are amid a transformative industrial revolution. The endless demand for AI computing power poses significant challenges, particularly concerning energy supply. Our energy-first strategy not only enhances AI infrastructure but also contributes positively to the environment, empowering innovators in the AI sector.We seek proactive, problem-solving team members who recognize the scale of our mission and are eager to navigate uncharted territories. If you aspire to advance your career alongside experts in energy, manufacturing, data center construction, and cloud services, we invite you to become part of our dynamic team.If you are ready to engage in the most impactful work of your career, assist our customers and partners in elevating their AI strategies, and contribute to a high-performing, supportive team, we welcome you to build the future with us at Crusoe.About This RoleThe Cloud Storage team at Crusoe is searching for a Senior Staff Software Engineer to act as the principal architect for our storage strategy. Unlike a Staff Engineer who leads feature development, a Senior Staff Engineer will define the long-term technical roadmap essential for our AI-scale infrastructure. You will play a crucial role in establishing the architectural strategy, ensuring the integrity and global scalability of our specialized storage services. Your work will focus on the underlying physics of the stack, bridging high-performance NVMe hardware with globally distributed object storage solutions that compete with S3.Your ResponsibilitiesArchitectural Vision & Strategy: Lead the development and execution of the long-term technical strategy for Crusoe's storage engine, while identifying and integrating industry trends such as CXL and NVMe-oF into a unified roadmap.System Programming Expertise: Utilize your extensive experience in system programming with languages such as C, C++, Go, and Rust to lay the groundwork for our V2 storage re-architecture.Storage Protocols: Design and implement solutions employing industry-standard storage protocols, including NFS, SMB, iSCSI, and NVMe/TCP.

Employee Applicant Privacy NoticeWho We Are:Join us in shaping a brighter financial future.At SoFi, we are transforming the personal finance landscape and empowering our members to achieve their financial goals through innovative, mobile-first technology. As a next-generation financial services company and national bank, we are at the forefront of an unprecedented industry transformation. Our core values guide us daily, and we take pride in the meaningful impact we have on our members' lives. Invest in yourself, your career, and the financial world with us.The Role:We are seeking a seasoned Senior Staff Software Engineer to join our Builder Tools engineering team. This role involves enabling SoFi engineers to effectively address challenges by influencing the architecture and direction of our next-gen AI-powered Software Development Lifecycle (SDLC). You will enhance developer experience through AI-enabled workflows, tooling, and practices, while leading and tackling intricate problems in a dynamic, collaborative environment. The ideal candidate will be a mentor, a technical leader, and a team player, hands-on in driving solutions from architecture through to implementation with a strong sense of ownership and commitment to delivery.What You’ll Do:Technical Leadership: Provide guidance on technical architecture and design, implementation, delivery, and operations of AI-enabled tools across the SDLC including planning, coding, testing, building, deploying, observing, and remediating.Innovate: Collaborate with cross-functional teams to foster innovation in developer tooling and advancements, including AI-assisted productivity flows.Exemplary Practitioner: Serve as a subject matter expert in one or more developer tooling domains, ensuring operational excellence.Mentor: Work closely with team engineers, providing mentorship and domain expertise to bolster the team's overall technical capabilities.

About UsXOXO is an innovative research lab dedicated to crafting intelligent interfaces that enhance everyday life. Our stealth team, composed of passionate engineers, designers, and researchers, is focused on solving unique challenges that go beyond the workplace.With recent advancements in infrastructure, architecture, and model layers, we are actively seeking skilled builders to create the application layer that will actualize our visionary concepts.About the RoleWe are on the lookout for a proficient iOS engineer to lead the development of XOXO’s consumer app, featuring a pioneering interface for intelligence. This position calls for a robust engineer capable of managing the entire mobile surface area, from architecture and performance to refining a visually appealing design system that ensures intentional user interactions.A specific background is not mandatory; what truly matters is your passion for ownership: you take charge, work swiftly without compromising quality, and aspire to create a mobile product that redefines craftsmanship and performance standards.What You’ll DoDesign and launch the initial versions of our React Native app, transitioning it from concept to production.Convert a visually rich design system into reusable components, motions, and interaction patterns with seamless performance.Develop new product interfaces that seamlessly integrate modern AI/ML capabilities in a mobile-friendly manner.Enhance app performance, focusing on rendering, startup, memory consumption, battery usage, and perceived speed.Establish high standards for mobile engineering quality (including testing, monitoring, and release management) while collaborating with various teams to ensure successful delivery.

Role overview MidiHealth is hiring a Staff Software Engineer - AI Engineer for a hybrid role in the San Francisco Bay Area. The position focuses on building and improving AI-powered solutions that contribute to better healthcare outcomes. What you will do Collaborate with cross-functional teams to design and implement AI-driven systems for healthcare. Develop scalable architectures and write efficient algorithms tailored to healthcare applications. Uphold strong software quality standards throughout the development lifecycle. Location This position is hybrid, with work based in the SF Bay Area.

At Plaid, we envision a future where financial interactions are seamless and intuitive. Our mission is to drive this evolution by crafting powerful tools and experiences that developers leverage to create impactful financial products. With our technology, millions of individuals can manage their finances more effectively. Partnering with renowned companies like Venmo, SoFi, and several Fortune 500 firms, we simplify the process of connecting financial accounts to the applications people depend on. Our network encompasses over 12,000 financial institutions across the US, Canada, the UK, and Europe. Established in 2013, our headquarters is in San Francisco, complemented by offices in New York, Washington D.C., London, and Amsterdam.The advent of AI and intelligent systems marks a pivotal shift in technology, following the eras of mainframes, personal computing, the internet, and mobile devices. We believe that AI will fundamentally transform the FinTech sector—altering consumer finance management, application development, and operational dynamics across businesses.Plaid's Role in the AI-Driven FinTech LandscapePlaid is uniquely positioned to become the backbone of financial data and insights for AI-powered applications in this rapidly evolving FinTech ecosystem.We advocate for consumers to manage their finances effortlessly through conversational AI interfaces. Our commitment extends to ensuring a reliable consent and authorization manager for enhanced privacy and security. We envision a world where identity verification and fraud prevention in AI solutions are seamlessly integrated for users. The demand for such innovations is growing.Leading AI companies, significant fintechs, and customer support platforms are actively integrating Plaid into their AI-driven products and solutions.AI-Enhanced Customer Experiences at PlaidThe rapid advancement of model intelligence presents a unique opportunity for Plaid to reinvent our operations and customer interactions, optimizing the overall experience.Our initial forays into AI-driven customer support have yielded substantial business benefits, demonstrating our commitment to innovative solutions that elevate customer satisfaction.

Join Saris AI as a Staff Backend Software Engineer, where you will play a pivotal role in developing innovative solutions that harness the power of artificial intelligence. In this dynamic position, you will collaborate with cross-functional teams, design scalable systems, and contribute to the overall architecture of our backend solutions.

Role overview Perplexity AI seeks a Software Engineer to join its Technical Staff in San Francisco. This role centers on building new software and enhancing the user experience through direct development work. What you will do Expect to design and implement new features, work on improving existing systems, and contribute to projects that shape how users interact with Perplexity AI’s products. The position involves hands-on coding and collaboration with other engineers. Location This position is based in San Francisco.

Ironclad is the premier AI contracting platform that revolutionizes the way agreements are treated as valuable assets. Contracts are processed more swiftly, insights emerge instantaneously, and workflows are seamlessly advanced—all while maintaining your control. Whether you are engaged in buying or selling, Ironclad streamlines the complete process on a single intelligent platform, granting leaders the visibility necessary to stay ahead of the curve. This is why the most innovative organizations in the world, such as OpenAI, the World Health Organization, and the Associated Press, trust Ironclad to expedite their operations.Consistently recognized as an industry leader, Ironclad has been named a Leader in the Forrester Wave and the Gartner Magic Quadrant for Contract Lifecycle Management. We have also been acknowledged as a Great Place to Work by Fortune and one of Fast Company’s Most Innovative Workplaces. With backing from top investors including Accel, Y Combinator, Sequoia, BOND, and Franklin Templeton, we are poised for continued growth. For more details, visit www.ironcladapp.com or follow us on LinkedIn.AI Engineering at IroncladAt Ironclad, we are accelerating our AI initiatives to transform how contracts are created, managed, and executed throughout organizations. We are in search of a Generative AI Application Developer to swiftly develop and implement high-impact legal AI product features.In this role, you will be the go-to expert for AI feature development, leveraging our existing AI platform. You will establish a Prompt Strategy, utilizing established Retrieval-Augmented Generation (RAG) services and Large Language Model (LLM) APIs to create intelligent product capabilities such as summarization and redlining.Collaboration with product managers and designers will be key as you translate user requirements into production-ready LLM application logic. Your success will be determined by your ability to design optimal context inputs and craft effective prompts that maximize the accuracy, relevance, latency, and reliability of user-facing features.

About the Role: The Tubi team is dedicated to creating and refining exceptional user interfaces and experiences across our web and OTT applications. Our primary focus is on implementing features that aid in user acquisition and growth, such as user registration, onboarding, SEO optimization, and account management. As a member of this dynamic team, you will collaborate closely with Product and Design teams to innovate and develop cutting-edge, experiment-driven features that significantly enhance the user experience. Your responsibilities will encompass both front-end development and building robust technical architecture to ensure optimal performance and scalability, while continuously exploring engineering-driven features and experiments that can propel user growth. You will leverage technologies such as React, Node.js, GitHub Actions, Terraform, and CDN infrastructure to create and deploy high-performance applications that serve millions of users. This position is hybrid, based in our San Francisco office, and requires you to be present in the office three days a week.

Mithril is building AI infrastructure to make GPU computing accessible for enterprises, AI startups, and research organizations. The company’s customers include LG AI Research, Saronic, and the Broad Institute. Mithril was founded by a former Google DeepMind research scientist and a Stanford CS PhD, and has raised $80 million in seed and Series A funding from Sequoia Capital, Lightspeed Venture Partners, and others. Platform revenue has grown more than sixfold in the past year. Fast Company recognized Mithril as the 8th Most Innovative Company in Artificial Intelligence for 2026. The team is transitioning from bare-metal operations to a cloud-native, multi-provider platform, introducing an auction and flexibility model. This is an opportunity to help shape the platform from its early stages. Role overview The Software Engineer - Technical Staff Member will work across three main areas: Consumption: Developer-facing product, billing, and API Platform: Orchestration and marketplace solutions Supply: Cloud provider integrations and capacity management Engineers at Mithril take on significant ownership, building features end-to-end that support critical customer workloads and drive revenue. The scope includes backend systems, marketplace logic, and customer interfaces. Architectural decisions here have a direct impact on Mithril’s growth and scalability. What makes this role unique This position blends deep systems work with product-facing challenges. Engineers contribute to the orchestration engine that manages GPU capacity across providers, as well as the interfaces customers use to reserve, bid, and utilize resources. The systems built in this role handle financial transactions, real workloads, and market mechanisms such as spot auctions, reservation pricing, and capacity allocation. For those interested in the mechanics of GPU infrastructure markets and building the technology behind them, this role offers direct involvement. Location This role is based in Palo Alto or the San Francisco Bay Area.

Embark on an Engineering Voyage at Ivo!At Ivo, our engineers are the architects of innovation. We’ve made waves in the tech seas with groundbreaking creations:• An AI assistant within MS Word that edits documents seamlessly [2023]• Revolutionizing embeddings models by embracing agentic RAG [2023]• Large-scale legal fact extraction powered by LLMs [2024]• A legal assistant designed to navigate vast contract databases with pinpoint accuracy [2024]• Clustering legal documents from the same lineage [2025]• Automating deviation analysis to uncover hidden risks in extensive contract databases [2025]• Integrating contracts with amendments to create a time series of “composite” contracts that moved our clients to tears [2025]Your RoleYou’ll steer the ship in designing, creating, and deploying generative AI products. Your journey will include:• Crafting full stack generative AI capabilities• Delivering high-performance UI code and backend systems that reliably process and analyze millions of contracts• Designing pipelines that orchestrate LLMs, data extraction, and clustering algorithms at scale• Collaborating with designers, legal experts, and fellow engineers to reimagine the future of legal work in the age of AIOur MissionThe legal realm is filled with overburdened in-house teams, often facing grueling 80-hour weeks and relentless deadlines. Until now, technology has done little to alleviate this burden.With LLMs, we are on a mission to reclaim these lawyers' time, and here at Ivo, we aim to liberate them from the chains of laborious tasks.We are creating an AI-native platform designed to automate tedious legal processes. Our software is beloved by users, boasting a remarkable 85% trial win rate in a competitive marketplace. We’re genuinely transforming lives, and we are just getting started.

At Sanity.io, we are at the forefront of revolutionizing AI-driven Content Operations. Our state-of-the-art AI Content Operating System empowers teams to model, craft, and automate content tailored to their unique business processes, significantly enhancing digital development and optimizing content operational efficiency. Renowned companies such as Linear, Figma, Riot Games, Anthropic, Spotify, Arc’teryx, and Morningbrew leverage Sanity to power and automate their content workflows.The landscape of application development is undergoing a seismic shift thanks to AI. Tools that enhance coding experiences are witnessing a surge in user adoption, with professional developers now integrating AI capabilities into their workflows as a standard practice. In this role, you will harness this momentum by developing native integrations with the most rapidly evolving developer tools, enhancing our MCP server (including MCP Apps with UIs), and creating intuitive builders that allow users to set up Sanity through natural language interfaces. You will blend a growth-oriented, experimental culture with in-depth technical work focused on improving the AI developer experience. This represents a pivotal growth opportunity for Sanity, and your team will be responsible for driving it from inception to realization.Recently, the team has achieved notable milestones, including:Sanity MCP Server – our remote MCP server, now generally available and recognized as one of eight official MCP servers in Vercel's v0.Sanity Agent Toolkit – featuring agent rules made accessible via MCP, along with a Claude Code plugin equipped with skills and slash commands.Auto-configured MCP in the CLI – the Sanity CLI now automatically identifies code editors and configures the MCP server accordingly.Key Responsibilities:Lead a team of engineers – guide them in prioritizing impactful projects, support their professional growth, and enable them to produce their best work.Own strategy, roadmap, and execution – collaborate closely with product and design teams to determine development priorities and ensure successful product launches....

About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/