Senior Staff Data Engineer at PayJoy | San Francisco

Join fuku as a Senior/Staff Engineer, where you will play a pivotal role in shaping the future of global payments infrastructure. This position is based in either San Francisco, CA, or New York, NY. At fuku, we are committed to revolutionizing the way payments are processed, currently facilitating $1.5 billion annually to over one million payees. Our focus is on developing high-scale, reliable backend systems that ensure seamless transactions for gig workers and businesses alike.Our company culture promotes:- Autonomy and ownership in your work- Fast-paced, iterative product development- Collaboration with a team of highly skilled engineers- Designing systems capable of handling extensive financial data reliablyAs a Senior/Staff Engineer, you will be responsible for designing, building, and scaling production-ready backend systems capable of processing large volumes of data. You will work across the entire stack, partner with product and engineering leadership, and make significant technical decisions.This role is ideal for engineers who:- Excel in high-impact, ambiguous environments- Enjoy constructing end-to-end systems with tangible results- Are passionate about developing scalable FinTech infrastructure- Thrive in an environment that encourages rapid iterations and robust system development.Your tech stack will include:- Frontend: React- Backend: Python- Infrastructure: AWS, ECS- Tools: GitHub, Linear, Slack, NotionResponsibilities:- Design and implement scalable backend systems for high-throughput payments- Launch and refine applications and large-scale software projects- Collaborate with product and engineering teams to drive impactful results- Work with substantial datasets and distributed systems- Optionally engage in recruiting activities, including sourcing and interviewing engineering talent.

Join fuku as a Senior Software Engineer, where you'll take charge of mission-critical systems from inception to deployment. Located in the vibrant tech hub of San Francisco, CA, this full-time role requires in-office presence five days a week. As part of a dynamic team, you'll architect and deliver full-stack product features utilizing advanced technologies such as React, TypeScript, Node.js, and Postgres. Your work will directly impact the automation of compliance workflows for innovative startups, and you will collaborate closely with founders to drive key technical decisions.

Join our dynamic team as a Senior Software Engineer, where you will play a pivotal role in shaping the future of our innovative platform at fuku. Located in the vibrant city of San Francisco, this hybrid position offers the flexibility of working three days in the office, with options for candidates based in New York City as needed. At fuku, we are a fast-growing startup focused on empowering creators in the technology space. Our platform allows creators to seamlessly build websites and enhance their online presence. We are dedicated to helping creators connect with audiences, grow their businesses, and thrive in the expansive $200 billion creator economy. As a Senior Software Engineer, you will take charge of significant product features, guiding them from concept through implementation and scaling. You will be pivotal in balancing frontend development with React and TypeScript, alongside backend tasks utilizing Python, collaborating with a dedicated team to deliver exceptional user experiences to millions.

Join fuku as a Senior Product Designer and play a pivotal role in revolutionizing compliance processes through automation. At fuku, we are an innovative AI-native platform committed to transforming tedious manual workflows into efficient automated systems. As the fastest-growing compliance company in the industry, we empower hundreds of organizations to streamline their operations and enhance security.Our recent funding of $32 million in Series A financing, supported by prestigious investors such as Insight Partners, General Catalyst, and Y Combinator, propels our mission forward. Our team is composed of exceptional talent, including former founders, Olympiad medalists, and engineers from elite institutions like OpenAI, Stanford, MIT, and Berkeley. Together, we aim to eliminate unnecessary busywork for humanity, with a strong focus on compliance.

Join NovaTech Solutions as a Senior Full-Stack Engineer and play a crucial role in scaling our flagship platform while pioneering innovative customer-facing products. In this dynamic position, you will collaborate closely with product and design teams to define feature roadmaps and architect robust services. Your expertise will guide junior engineers, enhancing their technical growth and best practices adoption.Key Responsibilities:- Collaborate with product and design teams to establish feature roadmaps and develop resilient services.- Mentor junior engineers, providing guidance on best practices and fostering their professional development.- Create modern user interfaces with React and build scalable backend APIs using Node.js.- Maintain reliable data layers with PostgreSQL to ensure data integrity and performance.- Take ownership of product features from conception through deployment and maintenance.- Continuously enhance code quality through thorough reviews and refactoring.- Lead discussions across teams focusing on performance, security, and delivery.- Convert product requirements into maintainable and scalable solutions.- Design engaging user experiences that impress our customers.- Ensure efficient deployment pipelines and work with DevOps to monitor platform health.- Automate repetitive tasks and maintain detailed documentation for team alignment.

Join Us at ApiphanyAt Apiphany, we are at the forefront of foundational AI technology, driving innovation in physical product development. Our mission is to support global leaders in automotive, aerospace, medtech, and energy sectors by transforming complex, unstructured technical data into actionable insights in real-time. With investment from notable firms like Markforged, Databricks, GM, and Character, we aim to redefine engineering decision-making, simplifying complexity for top-tier manufacturers worldwide.Our cutting-edge models are designed to tackle the intricacies of engineering and manufacturing, incorporating a deep understanding of physics, design specifications, and program constraints. We are a compact yet highly skilled team composed of builders from prestigious institutions including Stanford, Berkeley, MIT, UW, and CMU, alongside industry veterans from GM, Ford, and Genesis Therapeutics. Together, we share a passion for revolutionizing hard-tech and establishing a company that sets the standard in our field.Your RoleIn the role of Senior / Staff Backend Engineer at Apiphany, you will take charge of designing, building, and scaling the essential systems that drive our intelligence platform. You will be responsible for developing low-latency backend services and APIs capable of processing extensive engineering data streams, maintaining security and compliance, and architecting systems for optimal performance and availability. Additionally, you will influence long-term architectural decisions, guide your colleagues through mentorship, and establish best practices for scaling backend services to deliver robust and high-performance applications.

About daydreamAt daydream, we are revolutionizing the SEO landscape by developing the world's most advanced SEO agent, complemented by a team of top 1% human experts. Our goal is to manage organic search intricately, freeing our clients from the burdens of hiring specialized teams, evaluating multiple tools, or managing external agencies.In today's competitive environment, excelling in search demands the production of expert-level content at scale, alongside constant adaptation to shifts in ranking systems and user behavior. Traditional tools merely provide metrics without actionable insights, while agencies rely on cumbersome manual workflows that fail to generate compounding growth. Even well-resourced teams often find it challenging to translate sustained efforts into consistent results.daydream simplifies this landscape by consolidating fragmented tools and external vendors into a single coherent system that continuously plans and executes SEO strategies. Our SEO agent takes charge of analysis, planning, and content generation, while seasoned Growth Leads translate this work into actionable outputs—shipped pages, technical adjustments, and updated priorities—holding accountability for performance over time.We have successfully raised over $20M from notable investors including First Round Capital, Basis Set Ventures, WndrCo, and SOMA Capital, and our growth is supported by industry leaders from Notion, Airtable, Webflow, and Dropbox, such as Lenny Rachitsky and Eli Schwartz, author of Product-Led SEO.The TeamYou will collaborate closely with a dedicated, senior team across engineering, design, and growth:Shravan (CTO), who previously served as an Engineering Lead at Flixed and a Software Engineer at Facebook, focusing on large-scale web scraping for Facebook Jobs and Meta Reality Labs.Vishruth (Founding Applied AI Engineer), a former Data Scientist at Klaviyo specializing in NLP, with a robust research background from Cornell.Daniel (Founding Applied AI Engineer), who previously worked as a Data Engineer on Tesla’s Autopilot team, specializing in large-scale data systems and applied machine learning, and was formerly the Lead Data Engineer at Replit.Tom (Founding Designer), who led product design at Blockless and plays a significant role in UI engineering.You will also interact directly with Growth Leads, senior SEO practitioners who manage the system daily and provide invaluable feedback on AI performance in real-world applications.Your ImpactIn your role as a Staff Engineer at daydream, you will provide vital technical leadership across the product while remaining deeply engaged in hands-on execution. You will closely collaborate with the CTO to define system architecture, guide project execution, and elevate quality standards throughout the engineering organization.

Role Overview Crusoe is seeking a Senior Staff Software Engineer focused on CAPE for its San Francisco office. This role centers on designing and building software solutions that support Crusoe's mission to advance technology in the energy sector. What You Will Do Design and implement software systems for CAPE projects Collaborate with cross-functional teams to deliver solutions that align with user needs and company goals Tackle complex technical challenges in support of Crusoe's energy initiatives What We Look For Strong technical background in software engineering Experience solving complex problems and delivering reliable software Ability to work effectively with colleagues across multiple disciplines Location San Francisco, CA - US

At Tanagram, we are on a mission to revolutionize agentic coding by transforming the way engineering lessons are harvested from codebases, code reviews, incident post-mortems, and Slack communications. Our innovative approach provides real-time guardrails that identify and rectify risky coding patterns, empowering teams to accelerate their shipping process while minimizing potential pitfalls.We are assembling a small, diverse group of outstanding engineers who are passionate about the future of agentic coding. Our ideal candidates are detail-oriented, possess a high level of agency, and are adept at identifying critical problems to solve, building exceptional products, and continuously iterating towards superior solutions.In this role, you will engage with our entire technology stack, from our Typescript + React frontend to our Python/Go backend and LLM infrastructure. You should possess a keen intuition for selecting the right tools and configuring them to achieve optimal user results.You are proactive and prefer to take immediate action rather than postponing tasks. You communicate your intentions clearly and follow through promptly.We operate in a hybrid work environment, primarily based in San Francisco (Mission Bay) and NYC, but we welcome strong remote candidates. For more insight into our work culture, refer to our guidelines.

About MetaDAOMetaDAO is at the forefront of revolutionizing decision-making through innovative decision markets, empowering individuals and organizations to shape the most critical choices in the world.Our flagship offering is a cutting-edge fundraising platform that leverages decision markets to minimize the risks of fraud and misallocation for investors. Since its monetization in October 2025, the platform has achieved a remarkable run rate revenue of approximately $9 million annually.With $12 million raised from leading investors, we are dedicated to assembling a world-class team. If you share our belief in the transformative power of markets, we invite you to join us in this exciting journey.

Employee Applicant Privacy NoticeAbout Us:Join us in shaping a brighter financial future. At SoFi, we are revolutionizing the personal finance experience for our millions of members through innovative mobile technology.As a next-generation financial services company and national bank, we pride ourselves on being at the forefront of an unprecedented transformation in the industry. Our core values guide our efforts every day, driving meaningful changes that impact people's lives. Invest in yourself, your career, and the financial world with us.SoFi is on the lookout for a seasoned and driven Senior Staff Data Engineer to lead our Data Engineering group within the SoFi Data Platform (SDP) division. The SDP's mission is to harness data across SoFi, enabling the development of personalized and engaging experiences for our members.The Role:In this position, you will have the chance to significantly influence and steer the architecture of our next-generation AI-powered SoFi Data Platform (SDP). You will enhance data reliability through AI-driven workflows, tools, and practices. You will be responsible for leading, defining, and tackling complex problems in a fast-paced, collaborative environment. The ideal candidate will be a mentor and technical leader who is hands-on, with a strong sense of ownership and a commitment to delivering results.

Join our dynamic team at rillet as a Staff Software Engineer. We are looking for a talented engineer who is passionate about building innovative solutions and driving impactful projects. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software applications that meet the needs of our customers.If you have a strong foundation in software engineering principles and a desire to work in a fast-paced environment, we want to hear from you!

About SpotOnAt SpotOn, we are revolutionizing the restaurant industry by providing independent restaurants with cutting-edge technology to thrive in a competitive market. From our award-winning point-of-sale systems to advanced AI-driven profit enhancement tools, every solution we offer empowers operators to increase profitability, optimize operations, and retain top talent. Our commitment to our clients is backed by a dedicated team that genuinely cares about their success.Ranked #1 Restaurant POS by G2 (Fall 2025), based on user feedbackRecognized as the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra usersHonored as a Great Place to Work and recipient of Built In’s Best Workplaces awards for consecutive yearsWe prioritize agility, empathy, and advocacy for independent restaurant operators, allowing them to focus on their passion. If you aspire to make a meaningful impact with dedication and drive, SpotOn is your ideal workplace.About the Accelerate TeamThe Accelerate team, consisting of five skilled engineers, is dedicated to redefining software development within the fintech realm through AI-native engineering practices. With direct support from senior leadership and defined project goals, we are committed to setting new industry standards in software building.We are seeking a Staff/Principal Individual Contributor (IC) with proven experience in AI-assisted engineering at scale. This is not a role for the AI-curious; you are someone who integrates AI into coding daily. You have developed agents that deliver tangible results. Your insights on model selection, agent limitations, and effective guardrails are backed by real-world experience. You are eager to apply what you’ve learned on a larger scale.As the most senior technical AI expert on the team, you will be the go-to person for architectural guidance, tackling complex challenges, and establishing technical benchmarks.The Role: Technical Lead, Not ManagerThis position is not about merely setting up CI/CD pipelines or integrating Copilot. You are the architect behind the systems that transform how SpotOn engineers develop software. You will:Establish yourself as the technical authority in AI engineering. You will define the standards for AI utilization in code generation, review, testing, and task automation. Your focus will be on designing systems, workflows, and guardrails that ensure AI-aided development is safe, measurable, and scalable in a PCI-compliant environment.

Are you ready to make a difference? Join our team! GoFundMe stands as the world's leading platform for community-driven benevolence, passionately committed to facilitating mutual assistance among individuals and nonprofits. Since our inception in 2010, we have empowered our community to raise over $40 billion, fostering a culture of support and compassion. We are on the lookout for an enthusiastic and skilled Senior Staff Software Engineer who brings a robust background in developing scalable, high-performance fintech or wealth management solutions. In this impactful role, you will architect and create innovative infrastructures from the ground up, designed to support large-scale, mission-oriented fintech products that empower millions worldwide. Your contributions will play a crucial role in crafting seamless, user-centric experiences that enable meaningful community contributions and drive positive change. As a pivotal technical leader, you will have the opportunity to influence the architecture and strategic direction of our systems, enhancing both our company and the communities we serve. If you're eager to grow both personally and professionally while making a significant impact on GoFundMe's offerings, users, and the causes that resonate most, we want to hear from you! Candidates for this position must be based in the San Francisco Bay Area, with an in-office presence required three days a week.

About AbridgeFounded in 2018, Abridge is dedicated to enhancing healthcare understanding through innovative AI solutions. Our platform is tailored for medical conversations, streamlining clinical documentation and allowing healthcare professionals to prioritize patient care.We offer cutting-edge technology that converts patient-clinician dialogues into structured clinical notes in real-time, seamlessly integrating with EMR systems. With our auditable AI and the unique capability to map AI-generated summaries to verified data, we build trust among healthcare providers. As trailblazers in generative AI for healthcare, we are establishing industry best practices for responsible AI deployment across health systems.Our dynamic team comprises practicing MDs, AI specialists, PhDs, creative thinkers, technologists, and engineers, all focused on empowering individuals and making healthcare more comprehensible. Our offices are located in San Francisco's Mission District, New York's SoHo, and Pittsburgh's East Liberty.The RoleIn the position of Staff IT Automation Engineer, you will take on a pivotal technical leadership role, responsible for enhancing efficiency and scalability throughout our corporate IT infrastructure and enterprise ecosystem. You will architect, develop, and maintain essential automation solutions that remove manual processes, enhance security, and elevate the global employee experience. This role demands extensive engineering expertise, a product-oriented mindset for automation, and the ability to mentor junior engineers while addressing complex integration and scaling challenges. You will collaborate closely with IT leadership, Security leadership, and departmental heads across the organization.What You'll DoSaaS Ecosystem Automation: Spearhead the design and implementation of automated workflows for provisioning, de-provisioning, and user management across key SaaS applications, including Google Workspace, Slack, GitHub, Notion, Rippling, and other core business tools.Workflow Automation: Create scalable, resilient workflow automation solutions to optimize essential business processes such as onboarding, offboarding, access requests, compliance enforcement, and self-service IT support.Asset Management Automation: Develop and implement solutions for the automated lifecycle management of various endpoints and assets, including corporate laptops, among others.

Join Giga's Innovative TeamAt Giga, we're on the cutting edge of technology, having successfully raised $61 million in Series A funding. Our pioneering real-time AI agents are designed to understand emotions, resolve customer issues instantaneously, and scale across some of the largest enterprises globally. We are proud to serve notable clients, including DoorDash.As we stand at a crucial turning point in our journey, we invite talented engineers to join us in achieving our vision of becoming the leading AI platform for enterprise automation, powered by our voice superintelligence.The work we do impacts millions daily, providing our engineers with the autonomy to shape their projects and make a tangible difference. With visionary founders, a successful business model, and a clear roadmap for future growth, this is an extraordinary opportunity to join a generational company.Learn more about us through these articles:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipYour Role as a Staff Backend EngineerWe are seeking a Staff Backend Engineer to be a key player in defining the technical strategy of our backend systems. You will be responsible for leading complex projects, making pivotal architectural decisions, and elevating engineering standards across our team.This position is tailored for those who want to be builders at heart. You will write code, take ownership of systems, and deliver results while also looking ahead to determine future development directions for our team.Key ResponsibilitiesYou will spearhead technical initiatives across the organization, including:System architecture: Innovating our agent infrastructure to seamlessly scale while balancing speed, reliability, and complexity.Challenging technical problems: Leading high-stakes projects where the consequences of failure could significantly impact our business.Technical strategy: Proactively identifying system gaps and proposing solutions to enhance our platform.

Role Overview Airwallex is hiring a Staff AI Engineer in San Francisco. This role focuses on building and improving AI-driven solutions for financial operations. Airwallex’s platform supports more than 200,000 businesses worldwide, among them names like Brex and Qantas, by automating and simplifying financial workflows. About Airwallex Founded on a global vision, Airwallex operates from 26 offices and employs over 2,000 people. The company is valued at $8 billion and has the backing of investors such as Visa and Sequoia. Airwallex’s team is known for its diversity and energy, working together to advance the future of payments and finance.

Welcome to Adyen At Adyen, our mission is clear: to become the world's leading customer-centric financial technology platform. We empower businesses like Meta, Uber, H&M, and Microsoft with seamless payment, data, and financial solutions, positioning us as the go-to platform in the fintech landscape. We are committed to creating a supportive environment where our employees can thrive, with the culture and resources necessary to take charge of their careers. Our driven team tackles complex technical challenges collaboratively, delivering innovative and ethical solutions that accelerate our clients' growth. Staff Engineer - Lending Join our Financial Products team at Adyen, where we are pioneering groundbreaking financial solutions that transcend traditional payment methods to meet the evolving needs of our customers. We are on the lookout for a talented Staff Engineer to help us develop the core system that supports Adyen’s credit and lending features, including our Capital offering, which provides a seamless capital access experience for merchants and sub merchants with automatic repayment options. In this role, you will lead cross-functional projects that will build the essential infrastructure for all of Adyen’s lending and credit products. Your work will span the entire lending product lifecycle—from initial underwriting and credit scoring to loan servicing, arrears management, and portfolio performance optimization.

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.