Senior Full-Stack Engineer - Cryptocurrency Solutions

Employee Applicant Privacy NoticeAbout Us:At SoFi, we are dedicated to shaping a brighter financial future. Our mission is to revolutionize the way individuals engage with personal finance. As a next-generation financial services company and national bank, we leverage innovative, mobile-first technology to empower millions of members in achieving their financial goals. The industry is undergoing a significant transformation, and we are proud to be at the forefront of this change. Join us in investing in your career and the financial landscape.The Opportunity:We are on the lookout for a Senior Full-Stack Software Engineer to join our dynamic team. SoFi is expanding its crypto product offerings, creating a new team focused on delivering exceptional crypto services for our members. With recent advancements paving the way for our return to the crypto space, we aim to develop secure, intuitive, and comprehensive solutions in crypto Investing, Transfers, Payments, Custody, and beyond.As a key member of our team, you will be involved in all aspects of development, including functional implementation, system architecture, bug resolution, and code health maintenance, while continuously evolving as an engineer. The ideal candidate is hands-on, possesses a strong sense of ownership, and is passionate about delivering quality. We excel in collaboration between Product, Design, and Engineering, allowing you to engage in the entire product lifecycle from ideation to deployment and ongoing enhancement.At SoFi, you will be part of a revolutionary finance company dedicated to helping our members achieve financial independence. Our commitment to being at the center of our members’ financial lives drives us to innovate continually and expand our product range across loans, wealth management, and insurance. With our impressive growth trajectory, we are eager to attract exceptional talent, starting with you.

About StackAIStackAI is a revolutionary no-code AI workflow platform that enables businesses to construct, implement, and expand AI-driven workflows without requiring extensive machine learning expertise. With a growing user base and increasing enterprise adoption, our goal is to democratize access to large language models (LLMs), empowering every business operator—beyond just developers. Supported by Y Combinator and top-tier investors, we are laying the groundwork for the AI-driven future of work.The RoleAs a Senior Full Stack Engineer, you will be instrumental in defining the product and technical architecture at StackAI. Your responsibilities will span the entire technology stack, from crafting scalable backend systems to creating stunning and user-friendly frontend interfaces, and incorporating advanced AI models into our platform. This role offers significant impact, as you will work closely with the founding team, take charge of essential product features, and shape the engineering culture of a rapidly evolving startup.We seek exceptional 10X engineers—innovative builders who can consistently deliver results in a dynamic environment, remain inquisitive, and excel in diverse roles.ResponsibilitiesIn this role, you will:Build and own the entire platform, from backend services and APIs to frontend interfaces.Create robust, scalable backend systems utilizing Python and FastAPI (or similar), with optimized databases (SQL/NoSQL).Design and maintain high-quality user interfaces using React, Next.js, TypeScript, and Tailwind CSS, ensuring polished, intuitive, and responsive user experiences.Integrate new AI models and features into our products for seamless performance and enhanced value.Manage StackAI’s landing and product pages to establish benchmarks for clarity, design, and quality.Collaborate across the stack to connect backend services with frontend applications seamlessly.Engage with design, product, and customers to refine product direction and prioritize user needs.Stay at the forefront of full-stack technologies, promoting best practices and innovative solutions.Assist with customer support as needed; every team member contributes to user satisfaction.

About AbridgeAbridge, founded in 2018, is dedicated to enhancing understanding in the healthcare sector. Our innovative AI-driven platform is specifically designed for medical conversations, streamlining clinical documentation processes while allowing healthcare professionals to concentrate on what truly matters—their patients.Our state-of-the-art technology converts patient-clinician dialogues into structured clinical notes in real-time, integrating seamlessly with electronic medical records (EMRs). With our unique Linked Evidence framework and auditable AI, we are the only organization that aligns AI-generated summaries with factual data, enabling providers to swiftly trust and verify outcomes. As trailblazers in the realm of generative AI for healthcare, we are setting benchmarks for the ethical application of AI across healthcare systems.Our expanding team consists of practicing MDs, AI experts, PhDs, creatives, technologists, and engineers, all collaborating to empower individuals and make healthcare more comprehensible. We have offices in the vibrant Mission District of San Francisco, the trendy SoHo area of New York City, and East Liberty in Pittsburgh.The RoleWe are seeking dynamic Senior Integrations Engineers to join our rapidly growing team! This pivotal role will support our expansion during this hyper-growth phase. You will be instrumental in designing, developing, and scaling integrations that drive our product capabilities. Collaborating with fellow engineers, implementation specialists, support staff, and product managers, you will create both real-time and batch data integrations with our partners and clients.What You’ll DoDesign, build, and maintain robust integrations and infrastructure to scale our business.Develop secure, high-quality healthcare integrations utilizing REST-like APIs, FHIR standards, and third-party APIs.Work closely with our health system customers to implement, troubleshoot, and support integrations, engaging confidently with external partners and stakeholders.Enhance existing systems with new features, improving performance, stability, quality, and security.Promote high coding standards, improve codebase quality of life, contribute to documentation, and help manage technical debt.Foster user empathy and maintain a user-centric approach in all development efforts.Communicate effectively within and on behalf of our cross-functional product delivery teams, collaborating across various disciplines.

At Ripple, we’re pioneering a future where value flows as seamlessly as information. Our innovative crypto solutions for financial institutions, businesses, governments, and developers are transforming the global financial landscape, fostering economic equity and opportunity for individuals worldwide. Join us in creating meaningful impact while advancing your career in a supportive environment with colleagues who are committed to your success. If you’re ready to witness your contributions shape the future and unlock extraordinary career development opportunities, come aboard and help us build tangible value.THE WORK: WHAT YOU’LL DO: WHAT YOU'LL BRING:

Employee Applicant Privacy NoticeAbout Us:Join us in shaping a brighter financial future.At SoFi, we are revolutionizing personal finance through innovative, mobile-first technology, helping millions of members achieve their financial goals. We pride ourselves on being at the forefront of the transformation in financial services, delivering impactful solutions that enhance our members' lives. Become a part of our journey to empower individuals financially.We are looking for a Senior Software Engineer to join our dynamic team focused on developing cutting-edge cryptocurrency products and services for our members. With recent advancements, SoFi is poised to re-enter the crypto space, expanding our product offerings with secure and intuitive solutions spanning crypto Investing, Transfers, Payments, Custody, and more.As a key member of our team, you will be involved in all aspects of our development process—implementing features, architecting systems, debugging, maintaining code quality, and continuously evolving as an engineer. We seek a candidate who is proactive, hands-on, and possesses a strong sense of ownership and commitment to delivering high-quality solutions. Collaboration is at the core of our work culture, and you will engage closely with Product, Design, and Engineering teams throughout the entire product lifecycle, from ideation and development to deployment and ongoing enhancements.At SoFi, we aim to be at the center of our members' financial lives, helping them get their money right. Our innovative approaches, such as student loan refinancing, have already addressed significant financial challenges for many. As we expand our offerings across loans, wealth management, and insurance, we are experiencing remarkable growth and are on the lookout for exceptional talent to continue this trajectory. Your journey begins here.

Join our dynamic team at Elite Solutions as we expand our AI-driven initiatives! We are in search of talented developers, engineers, and researchers who are eager to shape the future of artificial intelligence systems.Whether your expertise lies in creating user-friendly interfaces, developing robust back-end systems, training advanced AI models, or designing scalable infrastructure, we have a place for you!If you're unsure where your skills best fit, don't worry—we'll provide guidance. Explore the roles below and let us know which aligns with your interests and abilities.1. Front-End DeveloperResponsible for designing and implementing engaging user-facing applications and dashboards. Key Skills: React, JavaScript/TypeScript, TailwindCSS, Figma, UX principles.2. Back-End DeveloperTasked with building APIs and server-side systems that drive AI tools and data pipelines. Key Skills: Python, FastAPI, Go, SQL/NoSQL, REST/GraphQL.3. Full-Stack EngineerDevelops complete applications that link front-end interfaces with back-end AI logic. Key Skills: Combination of Front-End and Back-End skills, API design, CI/CD.4. Machine Learning EngineerResponsible for deploying, fine-tuning, and maintaining AI models in production. Key Skills: PyTorch/TensorFlow, MLOps, model serving, inference optimization.5. Data EngineerBuilds scalable data pipelines and manages datasets essential for training and evaluation. Key Skills: Apache Airflow, Spark, SQL, Python, BigQuery, ETL systems.6. Research EngineerBridges the gap between AI theory and practical application by developing prototypes. Key Skills: Python, ML libraries, LLM experimentation, rapid prototyping.7. DevOps / Site Reliability Engineer (SRE)Ensures the reliability, monitoring, and automation of AI systems. Key Skills: Kubernetes, Docker, Prometheus, CI/CD, Python/Bash.8. Infrastructure EngineerDesigns and maintains the cloud infrastructure that supports AI training and deployment. Key Skills: AWS/GCP, Terraform, distributed systems, cost optimization.9. Security EngineerResponsible for securing the platforms and services that support our AI stack. Key Skills: Cloud security, identity management, penetration testing, audits.10. AI Researcher (LLM / CV / RL)Conducts experiments to advance the science behind our models, including LLMs, computer vision, and reinforcement learning. Key Skills: Research publications, advanced ML theory, model development, experimentation.

Join our dynamic team at gumloop as a Senior Full Stack Engineer, where you will play a pivotal role in shaping our technology landscape.Take ownership of end-to-end feature development: design, implement, test, deploy, and maintain your creations in production.Collaborate closely with users to swiftly transform feedback into actionable improvements, achieving results within hours, not days.Develop and manage scalable front-end and back-end solutions that maintain speed and reliability as user traffic increases.Contribute to the growth of the team by reviewing pull requests, providing context, and mentoring junior engineers.

At CreatorIQ, we are dedicated to revolutionizing creator-led growth, empowering over 1,300 global brands and agencies to thrive.Our mission is to humanize businesses while amplifying the impact of individuals. Guided by our core values—intentionality, excellence, collective journey, and humanity—we have been recognized as one of the best workplaces by various programs, including BuiltIn LA and NY. Our growth story includes being named one of the Fastest-Growing Companies in North America by Deloitte Technology Fast 500™ for four consecutive years, and being highlighted as a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises in 2025, among others. Our flexible work model fosters collaboration and innovation, accommodating diverse working styles.Join us in our exciting journey. Become a vital part of our dynamic team and help transform the industry!Senior Full Stack Engineer, Creator RecruitWe are looking for a talented Senior Full Stack Engineer to enhance our Creator Tools team. Your contributions will significantly improve user experiences and help us develop scalable solutions for our expanding platform.The ideal candidate will possess a strong background in frontend frameworks, solid backend development skills, and a collaborative spirit suited for a fast-paced environment. You should be ready to take ownership of features, contribute to architectural decisions, and maintain high coding standards.The Creator Tools team is responsible for developing all user-facing features on our platform, directly impacting the lives and livelihoods of creators who utilize our tools to earn and sustain their businesses.From payment processing and social authentication to e-commerce solutions and campaign workflows, we enable the full creator experience. Every feature you develop and enhancement you implement is integral to delivering a seamless, intuitive platform that empowers creators to grow and earn with confidence.This role allows you to make an immediate and meaningful difference in the lives of creators who rely on our platform to pursue their passions.

At Ripple, we are on a mission to transform the way value is exchanged across the globe, making it as seamless as sharing information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers, enhancing the global financial landscape and fostering economic equity and opportunities for all. Join us and experience personal and professional growth while collaborating with a supportive team.Ready to make a difference and unlock exciting career advancement? Come and create tangible value with us.THE ROLE:We are in search of a Senior Full Stack Engineer within our Design & Marketing Engineering team. In this pivotal position, you will shape, maintain, and scale Ripple’s marketing web ecosystem, creating dynamic, high-performance, globally scalable experiences that enhance our brand identity and empower our internal stakeholders.This role is perfect for an engineer who is passionate about contemporary web architecture and excels at the convergence of design, marketing, and technology. You will work closely with digital designers, brand specialists, integrated marketers, and content teams, crafting user-centric solutions that are both elegant and sustainable for the business.You will lead by example, engaging in hands-on coding and strategic architecture, influencing the technical direction of Ripple’s marketing sites, including the evolution of our Next.js + Sanity + Vercel stack into a fully dynamic, CMS-driven platform.

Employee Applicant Privacy NoticeAbout Us:Join us in shaping a brighter financial future. Together with our members, we are transforming the way individuals perceive and engage with personal finance.As a pioneering financial services company and national bank, we harness innovative, mobile-centric technology to empower millions of our members in achieving their financial goals. The industry is currently under a remarkable transformation, and we are proud to be at the forefront of this evolution. Every day, we come to work knowing our actions directly influence people's lives, guided by our core values. Join us to invest in yourself, your career, and the world of finance.The RoleWe are actively seeking a Senior Staff Engineer to become an integral part of our team. SoFi is launching a new unit dedicated to developing cryptocurrency products and services for our members. Recent advancements have opened a pathway for SoFi to re-enter this space and expand our offerings with intuitive, secure, and comprehensive solutions across crypto investing, transfers, payments, custody, and more.In this role, you will be at the heart of our efforts—designing functionality, architecting our systems, resolving bugs, ensuring code health, and continuously evolving as an engineer. The ideal candidate is proactive and hands-on, possesses a strong sense of ownership and commitment to delivery, and excels as a mentor and collaborator. At SoFi, we value collaboration among Product, Design, and Engineering, so you will engage in the entire product lifecycle, from conception to deployment and ongoing enhancement.At SoFi, you will be part of a transformative financial company with the ambition to help our members achieve financial independence and meet their goals. We strive to be at the core of our members' financial lives, assisting everyone in managing their finances effectively. We pioneered student loan refinancing to tackle the primary financial challenge of a new generation with a modern approach to lending and personal finance. We have since broadened our range of products and services across lending, wealth management, and insurance. SoFi has experienced remarkable growth and has ambitious plans for the future, but to sustain this momentum, we need exceptional talent. And that begins with you.

About HappyRobotHappyRobot is pioneering the AI-native operating system tailored for the real economy, seamlessly bridging the gap between intelligence and actionable outcomes. By harnessing real-time data, specialized AI agents, and a central orchestrating intelligence, we empower enterprises to manage intricate, mission-critical operations with unparalleled autonomy.Our AI OS accumulates knowledge, optimizes processes across various levels, and adapts over time. We are initially focusing on supply chain and large-scale industrial operations, where resilience, speed, and ongoing enhancement are paramount—allowing human talent to concentrate on strategic, creative, and other high-value endeavors.Discover our vision further in our Manifesto. HappyRobot has successfully raised $62 million to date, including a recent $44 million in Series B funding in September 2025. Our esteemed investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10—partners committed to our mission of transforming enterprise operations. We are channeling this investment into assembling a top-tier team: individuals driven by relentless ambition, adept problem-solving skills, and a passion for pushing boundaries in a dynamic, high-energy environment. If this resonates with you, we invite you to be part of HappyRobot.About The RoleAt HappyRobot, our Full Stack Engineers take ownership of significant components of our product and infrastructure, delivering from end to end.We seek innovators who thrive in uncertain environments, have a deep appreciation for their craft, and desire genuine ownership of their creations.

About UsAt Valdera, we empower manufacturers to turn their visions into reality by revolutionizing the way they source materials. Our innovative platform simplifies the process of finding top-quality materials and suppliers, enabling manufacturers to create exceptional products at scale and distribute them globally.As a rapidly expanding team, we have established successful partnerships with Fortune 500 industrial manufacturers, beauty brands, and chemical companies. We seek driven and talented individuals who excel in high-performance settings and are eager to advance their careers swiftly.Our culture encourages top talent to tackle significant challenges, collaborate with industry leaders, and witness the tangible impact of their contributions. If you are seeking a dynamic environment where your ideas can foster change, Valdera is the perfect place for you.Join us in shaping the future of manufacturing.

About MeshAt Mesh, we are on a mission to revolutionize the way people transact by allowing consumers to pay and receive payments with any asset. With trillions of dollars in tokenized assets largely untapped for everyday commerce, Mesh is here to bridge that gap. Our innovative solutions make crypto payments reliable, accessible, and seamless for everyone. We leverage a powerful orchestration engine combined with an intuitive consumer app to unlock liquidity worldwide. Supported by prominent investors like PayPal Ventures, Paradigm, and Galaxy Ventures, we are shaping the infrastructure for the future global economy. Join us on this exciting journey!OverviewWe are looking for an accomplished Senior Full Stack Software Engineer (Web3) with extensive experience in developing cutting-edge web applications and scalable backend systems. In this pivotal role, you will design, develop, and maintain our innovative software solutions, integrating essential Web3 functionalities such as wallet connections, signing flows, and on-chain/off-chain interactions. As a global company headquartered in San Francisco, California, our team collaborates closely across North America, Europe, and India.

Are you a talented Senior Full Stack Engineer looking to make a significant impact in the world of financial technology? Join Truebill's innovative team, where you will play a pivotal role in developing and enhancing our Autopilot product. You will work with cutting-edge technologies, collaborate with a diverse team, and contribute to building solutions that empower consumers to take control of their finances.

The ideal candidate is encouraged to work from any of our offices (Silver Spring, NYC, SF, Miami, Denver) 1-2x weekly.ABOUT ROCKET MONEY At Rocket Money, our mission is to significantly enhance the financial well-being of millions. We provide our members with a profound understanding of their finances along with a range of valuable services designed to save time and money, ultimately empowering them on their financial journey.ABOUT THE TEAM The Core team plays a critical role in enabling all engineering teams at Rocket Money to operate efficiently by ensuring that our foundational systems are reliable and easy to build upon. We are responsible for the evolution of platforms and services that are central to our product and company operations, including:Authentication (registration, login, account access, and user lifecycle workflows)Data Privacy and Trust Systems (handling privacy requests, user deletions, and secure management of sensitive data)AI Enablement (providing shared AI infrastructure and tools that other teams use to create exceptional product experiences)Internal Tooling (developing admin tools, operational systems, and data integrations to enhance the effectiveness of our operations and engineering teams)We prioritize accuracy, resilience, and creating the most straightforward pathways for our teams. If you are passionate about building high-impact systems that others rely on, we would love to hear from you.IN THIS ROLE, YOU'LL:Develop and manage Core services and platforms that underpin essential systems like authentication, data privacy workflows, AI capabilities, and internal tools.Take ownership of projects from inception to completion: defining problems, designing solutions, implementing changes, launching, and ensuring ongoing reliability.Collaborate closely with product engineers, data teams, and operations colleagues to create systems that are safe, scalable, and user-friendly.

Join Truebill as a Senior Full Stack Engineer specializing in Partnerships and Marketing Technology. In this pivotal role, you will collaborate with cross-functional teams to develop scalable solutions that enhance customer experiences and drive business growth. Your expertise in both front-end and back-end technologies will be essential in creating innovative platforms that support our strategic partnerships.

Join Our Team at Owner.comAt Owner.com, we are revolutionizing the way local restaurants grow through our innovative AI growth system, designed specifically for their needs.Our AI enhances SEO, marketing, and online ordering systems to maximize first-party orders, empowering small business owners with a user-friendly platform managed by experts. We provide a suite of tools that levels the playing field against larger chains.Our VisionWe aim to enable independent restaurants to thrive online, and our vision extends beyond them. Many local businesses face similar challenges, and we aspire to provide solutions that can assist them as well. Our goal is to develop technology that tens of millions of local business owners can leverage for success in the digital landscape.Our AchievementsSince our inception in 2020, we have generated substantial revenue and facilitated over half a billion dollars in online orders. Over 20,000 restaurant owners have benefited from our services, saving nearly $200 million in fees.Our TeamComprising top talent from leading companies in the SMB software sector, our team is poised for rapid growth as we expand further in 2026.Work EnvironmentAs a remote-first company headquartered in San Francisco with a sales hub in Toronto, we foster a flexible work culture. Most of our team members are distributed globally. For specific roles, we encourage in-person collaboration, so please consult with your recruiter regarding location details.

About PrimerPrimer is an innovative network of K–8 schools dedicated to revitalizing the fundamental principles of American education. Drawing inspiration from the original teaching primers that cultivated generations of readers, thinkers, and builders, our schools focus on proven methods while preparing for future challenges. We foster close-knit learning environments, empower skilled educators, and maintain a culture that respects children as both learners and leaders.For over 200 years, primers have shaped the American educational landscape. Now, Primer is preparing children for the next chapter.The software we develop underpins our Microschools, facilitating operations from day one. It assists teachers in sourcing real estate, recruiting students, and delivering genuinely personalized education. Our platform provides valuable insights to parents, supports virtual teachers in offering exceptional experiences, and streamlines our back-office operations. We have a broad scope of work ahead and a commitment to making a significant impact.We are assembling a small, talented team of hands-on engineers to play a pivotal role in the evolution of Primer.Role OverviewWe are in search of a skilled Full Stack Engineer to join our dynamic team. In this capacity, you will help reimagine the school experience through modern technology. You will create features that teachers, students, and families depend on daily while addressing tangible challenges in education.This position is based in San Francisco and requires in-office attendance five days a week.ResponsibilitiesTechnical Stack: Engage with technologies including TypeScript, NodeJS, GraphQL, Prisma, Postgres, NextJS, React, and Relay.Collaborative Environment: Collaborate daily with team members across engineering, product, design, and our academic program.Ownership and Growth: Take complete ownership of projects and enhance your skill set. You will have opportunities to lead initiatives that shape the product, with ample room for professional development.Engineering Culture: Contribute significantly to establishing our engineering culture as we expand our team.Deliver Quality Products: We uphold high standards for quality, so be prepared to work diligently to achieve excellence.QualificationsPassion for Education: You possess a genuine passion for transforming the U.S. education system. While this work is challenging, successful outcomes will prove to be the most rewarding of your career.

Join our dynamic team at Braze as a Senior Full-Stack Software Engineer! In this pivotal role, you will collaborate with cross-functional teams to design, develop, and implement innovative software solutions. You will leverage your expertise in both front-end and back-end technologies to create seamless user experiences and optimize system performance.

Mithril is on the lookout for exceptional candidates at the Senior to Principal level. The exact level will be determined based on your experience and proven expertise. We value individuals who offer deep technical knowledge, strategic insights, and a history of impactful contributions. Our roles are tailored to fit each candidate’s unique strengths and career aspirations. About Mithril At Mithril, we are revolutionizing how AI companies harness compute power. Our mission is to orchestrate global compute capacity, making it more accessible and optimized for AI workloads. We are constructing a novel public cloud specifically designed for AI, where accessing high-performance compute is as straightforward and reliable as flipping a switch. Originating from a Stanford PhD lab just over a year ago, Mithril has already attracted backing from premier investors, including Sequoia, Lightspeed, Jeff Dean, and Eric Schmidt, among others. With $80 million in funding, we are securing customers and generating revenue. The current machine learning infrastructure is overly complex, forcing engineers to make hard choices about hardware when they should focus on solving major problems and driving innovation. Our Omnicloud Platform addresses this issue by abstracting hardware management and providing seamless access to computational resources, enabling engineers to concentrate on what truly matters—developing transformative AI solutions. We are not only making compute accessible; we are also making it flexible, scalable, and tailored to meet the unique demands of AI. Our infrastructure marketplace provides state-of-the-art hardware without the usual friction, allowing companies to innovate faster and more efficiently. Working at Mithril As a Full Stack Engineer at Mithril, you will play a crucial role in developing the applications and systems that will shape the future of AI. Your responsibilities will include scaling our platform and ensuring a seamless user experience supported by a robust and efficient infrastructure. In a landscape where AI workloads are increasingly complex, crafting reliable and high-performance software is foundational to our mission. The Omnicloud Platform supports cutting-edge AI workloads, managing vast amounts of data while providing a user-friendly interface for developers and researchers. Full Stack Engineers at Mithril design and implement solutions across the entire stack—from creating intuitive front-end interfaces to architecting scalable backend systems. We expect every engineer to approach problems holistically, balancing performance, scalability, and simplicity, while maintaining a strong focus on user experience.