Lead Backend Platform Engineer

Join our innovative team at januaryinc as a Lead Backend Platform Engineer! In this pivotal role, you will drive the development of scalable backend systems that support our industry-leading products. Your expertise will guide a talented team as we push the boundaries of technology and deliver exceptional user experiences.

Join our innovative team at Robinhood as a Backend Software Engineer, where you will play a pivotal role in building scalable systems that empower our users to take control of their financial futures. We are looking for passionate engineers who thrive in a fast-paced environment and are excited about leveraging technology to create impactful solutions.

Be a Part of the Financial Revolution.At Robinhood, our goal is to make finance accessible for everyone. With an anticipated transfer of $124 trillion in wealth to younger generations in the coming decades, we are poised at the forefront of this transformative moment. If you're eager to engage in this monumental cultural and financial transition, we want to hear from you.About the Team and Your RoleOur team is comprised of leading innovators, utilizing cutting-edge technology to tackle the most significant challenges in the financial sector. We seek courageous thinkers and adept problem-solvers—builders who are committed to making a meaningful difference. Robinhood is a dynamic environment where ambitious individuals can excel and achieve remarkable success. Our high-performing and fast-paced team prioritizes ethics in all endeavors, setting high expectations alongside substantial rewards.As a Backend Software Engineer, you will take ownership of backend services, infrastructure, and data systems integral to Robinhood's core financial offerings. This role involves addressing complex scalability issues while deepening your understanding of U.S. financial systems and creating a direct impact on products that millions rely on.The Brokerage team focuses on facilitating the launch of new features, broadening our financial services, and welcoming millions more into the financial ecosystem. This team manages essential services that underpin trading and brokerage infrastructure, collaborating closely with engineering, product, and operations teams throughout Robinhood.The Incentives team drives user growth and engagement through strategic incentives and platform capabilities. One sub-team concentrates on boosting net deposits through various levers, while the other develops a centralized, scalable platform to deliver personalized rewards company-wide.The Identity team safeguards both Robinhood and its users by preventing fraud and ensuring compliance with regulations. They manage vital systems for identity verification, KYC, and fraud prevention across all products, working closely with teams like Data Science, Brokerage, and others.

Employment Type: Full-time position available. Candidates must be willing to relocate to the Bay Area, specifically Menlo Park, and work in the office three days a week.Immigration: Applicants must be legally authorized to work in the United States. Sponsorship is available for candidates currently residing in the U.S.About Bedrock Data:At Bedrock, we empower our customers to gain complete visibility over their data assets. Our innovative product enables users to track their data locations, assess access permissions, and identify potential security gaps. Our data scanning technology is capable of managing petabyte-scale datasets and can be deployed across multiple cloud environments including AWS, GCP, and Azure. Customers can trust that their data remains secure within their own environment, as we only transmit minimal metadata to our lake for generating actionable insights.We are proud recipients of numerous accolades, such as the RSA Top 10, Fortune Top 50, SINET16, and the CODiE 2025 Award for Best AI Powered Startup.About the Role:We are excited to invite applications for the role of Backend Engineer. This is an opportunity for individuals at all experience levels to contribute to our cloud security platform. In this position, you will not only be developing code but also engaging with various stakeholders including leadership, customers, partners, and investors as we evolve our product from inception to growth.Bedrock Security is a proud investment of Greylock Partners, known for their backing of successful startups like Palo Alto Networks, Sumo Logic, and Abnormal Security, as well as non-security innovators like Airbnb, Figma, and Roblox.Responsibilities:Design and Implement Backend Logic:Create robust and scalable services.Ensure service security and performance.Manage our tech stack, which includes Golang, Python, Node.js, AWS infrastructure, Neo4j, and more.Drive Impact in a Dynamic Startup Environment:Collaborate with fellow engineers, product management, marketing teams, and customers.Participate in architectural and system design decisions.

Mainspring Energy seeks a Principal Cloud Platform Software Engineer based in Menlo Park, CA. The role centers on building and refining cloud-based platforms that power the company's products and services. Key responsibilities Design, develop, and improve core components of the cloud platform Collaborate with engineering, product, and operations teams on technical solutions Create and deliver systems that prioritize scalability and security within the cloud infrastructure Collaboration Frequent teamwork with colleagues from various backgrounds is essential. The goal is to ensure the platform aligns with both business objectives and technical requirements.

Mainspring Energy creates the Mainspring Linear Generator, a power generation solution designed for commercial, industrial, and utility applications. These generators provide local power for uses like EV charging, commercial buildings, data centers, and large-scale grid projects. The Linear Generator operates with a flameless reaction, resulting in nearly zero NOx emissions and compatibility with various fuels. The company is supported by investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst. Mainspring designs, manufactures, and delivers its products across the United States and is preparing for international expansion. The team aims to build a reliable, affordable, and net-zero carbon grid, and is growing quickly within the global electricity equipment market. Mainspring values diverse backgrounds and believes they foster innovation. Core Values Pragmatic Optimism: Combining creativity with practical solutions, the team sees challenges as opportunities for growth. Excellence without Ego: Focused on delivering strong customer experiences, employees apply technical skill with humility and teamwork. Proactive Collaboration: Success depends on engaging with people from different backgrounds and perspectives, building a respectful and inclusive culture. Role overview The Staff Cloud Platform Software Engineer will lead the architecture for Mainspring’s cloud-to-field software systems. This platform enables monitoring, control, and optimization of distributed energy assets for commercial, industrial, and utility clients. The role is central to developing and maintaining the systems that support reliable on-site power delivery through the Linear Generator platform. Location This position is based in Menlo Park, CA.

Blockstream, established in 2014 by Dr. Adam Back and a dedicated team of cryptographers and engineers, is at the forefront of Bitcoin innovation. We are committed to revolutionizing the financial landscape through Bitcoin and are recognized as the leading Bitcoin company, offering state-of-the-art infrastructure solutions for enterprises, institutions, and individual users. Our offerings include advanced Bitcoin self-custody solutions, Bitcoin financial products, second-layer scaling technologies, and robust blockchain infrastructure.We are in search of a Platform Architect to architect and enhance the foundational structures of our core platforms. This pivotal role encompasses comprehensive system design, guaranteeing scalability, reliability, security, and developer efficiency throughout Blockstream’s infrastructure and product suite.In collaboration with engineering, security, product teams, and leadership, you will design distributed systems that facilitate high-value financial applications while adhering to Bitcoin’s fundamental principles of decentralization and trust minimization.

Join Prophet Security as a Software Engineering Manager for our Platform Team!At Prophet Security, we are revolutionizing the security operations landscape with our AI-powered platform that enhances detection, investigation, and response capabilities. Our mission is to empower security teams to operate without the limitations of overwhelming alert volumes or disjointed tools. As part of our growing team, you will collaborate with industry veterans from leading companies like Abnormal Security, Expel, Mandiant, and McAfee to shape our innovative solutions and enhance customer success.Your Role and ImpactThe Platform Team is critical to ensuring our security operations platform functions reliably and efficiently at scale. You will be responsible for:Integrations: Developing and maintaining effective connectors for seamless and dependable ingestion of security data from various sources, including SIEM, EDR, cloud platforms, and SaaS applications.Observability & Monitoring: Implementing comprehensive telemetry, logging, and alerting systems to achieve over 99.9% uptime and facilitate swift incident responses.Developer Productivity: Creating CI/CD pipelines, testing frameworks, and development tools to enhance the overall efficiency of our engineering organization.Deployment Infrastructure: Designing and managing secure deployment systems that ensure compliance across diverse customer environments.As the Engineering Manager for the Platform Team, you will define and oversee the technical roadmap, balancing immediate customer needs with a vision for architectural excellence. Your contributions will significantly influence every customer interaction with Prophet Security, enabling our engineering team to work more effectively and scalable.Your ResponsibilitiesThis role is a hands-on engineering management position, where you will dedicate 25% of your time to direct technical contributions while leading your team.Build and nurture a high-performing team of Platform engineers, focusing on hiring top talent that aligns with our culture.Maintain technical credibility by staying engaged with our codebase, ready to troubleshoot issues, enhance monitoring, or deploy new features as necessary.Provide mentorship and guidance through regular one-on-one meetings, establishing clear pathways for career development and growth opportunities for each team member.Continuously evaluate and refine team processes to drive efficiency and innovation.

About Periodic Labs Periodic Labs combines artificial intelligence with the physical sciences to advance scientific discovery. The team works on developing new models and tools that push the boundaries of research. Backed by strong funding and growing quickly, team members have ownership over their work and solve problems without bureaucratic barriers. The company values curiosity, practical solutions, and the adoption of new scientific methods and technologies. Role Overview: Lead Security Engineer The Lead Security Engineer will design, implement, and manage security practices across Periodic Labs. This role is responsible for protecting the systems that support research and daily operations, including cloud platforms, clusters, internal developer tools, identity systems, secrets management, SaaS integrations, and lab infrastructure. Collaboration with research, infrastructure, lab, and operations teams is essential to reduce risk and support scientific experimentation. This is a hands-on position. The Lead Security Engineer will build automation, deploy security controls, lead incident responses, and help raise the standard for secure system design. The role also involves setting up practical security protocols and developing tools to make secure practices easier for everyone at Periodic Labs. Key Responsibilities Oversee security architecture for cloud environments, Kubernetes, internal services, and research infrastructure Develop and manage identity and access systems for both people and workloads, including SSO, MFA, RBAC, SCIM lifecycle automation, workload identity, and least-privilege access Improve secrets management using KMS, GitHub and CI credentials, 1Password or similar tools, and secure service-to-service authentication Strengthen software delivery and developer workflows, focusing on CI/CD, dependency security, build provenance, artifact integrity, and secure GitHub administration Conduct threat modeling, secure design reviews, and risk assessments for internal platforms, lab systems, and any externally exposed products Build detection and response capabilities across cloud, identity, network, and endpoint telemetry; manage incidents through containment, root cause analysis, and remediation Lead vulnerability management and remediation automation for hosts, containers, dependencies, SaaS, and infrastructure-as-code Work with infrastructure and lab engineering teams on segmentation, remote access, firewall policy, certificates, DNS, and secure device-to-cloud patterns Set practical security standards, run tabletop exercises, and help the company make informed security decisions without unnecessary overhead Location This role is based in Menlo Park.

Workstream is a purpose-driven technology firm dedicated to creating a comprehensive HR, payroll, and hiring platform tailored for the hourly workforce. With 2.7 billion hourly workers—representing 80% of the global workforce—this segment has been largely overlooked by technological advancements, and we believe it deserves better solutions. From our inception, Workstream has been designed with the needs of the hourly workforce in mind, empowering businesses and their employees to thrive.We proudly serve notable clients across various sectors, including well-known brands like Burger King, Carl's Jr./Hardee's, IHOP, KFC, and Culvers. As a rapidly growing Series B company, we are swiftly expanding our product offerings to fulfill our ambitious vision. Our endeavors are supported by prestigious investors and industry leaders such as Founders Fund, BOND, and Coatue.Our diverse team hails from esteemed institutions like UC Berkeley, Cornell, SJTU, Cambridge, and NUS, with rich industry experience from companies such as Tencent, Alibaba, Amazon, and ByteDance. Our engineering team is composed of passionate, talented engineers committed to innovating cloud technology solutions that empower local businesses to flourish and better serve the deskless workforce in their communities. We are currently looking for a skilled Senior Software Engineer to join our expanding engineering team.

About Periodic LabsAt Periodic Labs, we combine advanced artificial intelligence with physical sciences to develop cutting-edge models that foster groundbreaking scientific discoveries. With strong financial backing and rapid growth, we empower our team members to take ownership of their roles, encouraging creative problem-solving without the constraints of bureaucracy. Our culture thrives on continuous learning and innovation, as we embrace new tools and scientific advancements to drive our mission forward.About the RoleIn this pivotal position, you will spearhead the design, implementation, and management of Periodic Labs’ IT and security frameworks. You will take charge of identity management, endpoint security, network security, and SaaS security, ensuring that our internal workflows are seamless and secure, which in turn allows our researchers to maintain high productivity levels.Your responsibilities will include writing automation scripts, integrating various systems, and establishing high benchmarks for security, reliability, and user experience. Collaborating closely with our research, infrastructure, and operations teams, you will ensure that all environments—spanning laptops, clusters, and scientific laboratories—are secure, compliant, and efficient.

Join Stanford Medicine Children's Health as a Payroll Lead, where you will be pivotal in overseeing payroll operations, ensuring accuracy and compliance with regulatory standards. You will collaborate closely with various departments to streamline payroll processes and enhance employee satisfaction. This role is an excellent opportunity for those passionate about payroll management within a renowned healthcare organization.

Join glade as a Technical Product Lead, where you will spearhead the development and execution of innovative product strategies. In this pivotal role, you’ll collaborate with cross-functional teams to enhance product offerings, ensuring alignment with our technological objectives and market trends.

Join us in revolutionizing molecular diagnostics!At BillionToOne, we are passionate innovators committed to transforming healthcare. We have fostered a unique culture built on transparency, collaboration, and inclusion, ensuring that every voice is heard in our mission to make life-changing diagnostics accessible to everyone. Our goal is not just to achieve incremental improvements, but to create products that are exponentially better than anything available today. Our greatest asset is our talented team of scientists, engineers, sales professionals, and visionaries, all dedicated to raising the standard of care in prenatal and cancer diagnostics. Here, cutting-edge science meets genuine compassion—your contributions will help alleviate the fear of the unknown during life’s most critical medical moments. If you’re motivated by purpose, inspired by innovation, and eager to shape the future of precision medicine, we want you on our team.We are looking for a remarkable Lead UX Designer to spearhead the end-to-end experience strategy and execution for our prenatal diagnostic platform, Unity. This role sits at the intersection of advanced genomics and user-centered design, leading the transformation of complex molecular diagnostics into seamless, trustworthy experiences that empower clinicians, patients, and operational teams.As an integral member of our product team, you will oversee design from strategic insights through to final production, employing systems thinking to design solutions across an interconnected healthcare ecosystem that encompasses lab processes, electronic health records, provider networks, and patient interactions. You will bridge the gap between scientific complexity and clinical reality, guiding design team members and elevating the quality of design throughout the organization. This is a hybrid position, requiring 2-3 days a week at our Menlo Park location.

Role Overview Mainspring Energy is seeking a Revenue Operations Lead based in Menlo Park, CA. This position focuses on refining how the company generates and manages revenue. The Revenue Operations Lead works closely with teams across the organization to improve processes, strengthen data analytics, and support projects that align with growth goals. What You Will Do Collaborate with colleagues from different departments to streamline revenue-related processes Enhance data analytics to provide insights that inform business decisions Identify areas for operational improvement and implement practical solutions Drive initiatives that help the company meet its growth objectives What Matters Here Experience working with cross-functional teams Strong analytical skills and comfort with data Ability to spot opportunities for process improvement Focus on delivering results that support company growth

At Develop Health, we are revolutionizing access to life-saving medications by leveraging AI technology. By streamlining complex healthcare processes, such as benefit verification and prior authorization, we have seen remarkable growth—achieving a tenfold increase in revenue within just one year, rising from $0 to over $10 million in annual recurring revenue in under two years. Each month, we assist over 400,000 new patients in navigating their healthcare needs.Partnering with some of the largest pharmacy benefit managers and payers nationwide, we are transforming healthcare interactions, eliminating delays and inefficiencies. Our elite team, composed of founders and engineers with successful healthcare startup backgrounds, is rapidly scaling following a significant funding round.About the Role:We are seeking an Engineering Manager who will build and lead a new engineering team while remaining deeply engaged with coding. This player-coach position entails dedicating approximately 60% of your time to coding or guiding AI agents, while the remaining 40% focuses on team management and process optimization. As we grow, the emphasis on people management will increase, but this role will always maintain a technical focus.Our engineering team employs AI agents as an integral part of our workflow, encompassing coding agents, automated testing, and LLM-powered tools. We need a leader who can enhance these processes by introducing structured management practices that improve collaboration across the engineering organization. You will be pivotal in defining how humans and agents work together, elevating engineering processes, and creating workflows that empower a small team to achieve extraordinary results.Reporting directly to the CTO, you will have the opportunity to build your team from scratch, make hiring decisions, influence the technical architecture within your domain, and oversee the delivery process. As the first dedicated engineering management hire, this role will evolve into the Vice President of Engineering as we expand beyond 20 engineers.What You'll Accomplish in Your First 3-6 Months:Assemble your team from the ground up—define roles, recruit and hire engineers, and cultivate the team’s culture and standards.Deliver production code alongside your team, focusing on our Python backend and React + TypeScript frontend, prioritizing work that unblocks others.Enhance AI-augmented engineering workflows throughout the organization—determine the balance between agent execution and engineer verification, ensuring quality standards in a regulated healthcare environment....

Role overview Periodic Labs seeks a Business Operations Lead to work onsite in Menlo Park. This position supports both product and scientific teams, with a focus on making daily operations smoother and more effective. The role involves close collaboration across departments to help drive product quality and scientific progress. What you will do Streamline and enhance operational processes for both product and science groups Identify workflow bottlenecks and propose solutions Work with colleagues in various departments to keep projects moving forward Contribute to a culture that values product excellence and scientific growth

Join a16z as the Corporate Finance Lead, where you will spearhead innovative financial strategies and lead our corporate finance team. This pivotal role involves collaborating with partners across the organization to drive financial performance and enhance strategic decision-making. You will be responsible for managing financial planning, analysis, and reporting, while ensuring alignment with our business objectives.

Join us in transforming the world of finance.At Robinhood, our mission is to democratize finance for everyone. With an astonishing $124 trillion in assets expected to be passed down to younger generations in the coming decades, we are at the forefront of a monumental financial and cultural shift. Are you ready to play a pivotal role in this transformation? If so, we want to hear from you.About the Team and RoleWe are assembling a top-tier team dedicated to leveraging cutting-edge technologies to tackle the largest financial challenges in the world. We seek innovative thinkers, adept problem-solvers, and builders who are passionate about making a difference. Robinhood is not a place for complacency; it is where ambitious individuals achieve the most rewarding work of their careers. Our high-performing, dynamic team places ethics at the core of our operations. We have high expectations, and we offer commensurate rewards.As we launch Robinhood Ventures, we're making significant strides to widen access to private market investments, ensuring that everyone can participate—not just accredited investors. This new initiative is designed to unlock opportunities typically reserved for a select group, allowing more people to engage in the growth of private enterprises.As the Deal Lead for Robinhood Ventures, you will spearhead the sourcing and execution of impactful investments for our flagship publicly traded fund. Your responsibilities will include identifying new investment opportunities, conducting comprehensive financial and operational due diligence, and facilitating transaction closures in a competitive landscape. You will oversee the entire investment lifecycle—from sourcing and evaluation to investment committee materials, negotiation assistance, and portfolio engagement. This role will report to the Head of Robinhood Ventures and presents a unique chance to help shape a new product from its inception while contributing to the long-term growth of our platform.This position is based in our Menlo Park, CA office, with in-person attendance required at least 3 days a week.At Robinhood, we value the power of in-person collaboration to accelerate progress, ignite innovation, and foster community. Our office environment is designed to energize and support high-performing teams.

Role overview Periodic Labs is hiring a Strategic Finance Lead based in Menlo Park. This position plays a central part in shaping the company’s financial direction and supporting ongoing growth. The Strategic Finance Lead works directly with teams across the business to turn financial data into meaningful insights that drive important decisions. What you will do Work with cross-functional teams to review and interpret financial data Build financial models that support planning and business decisions Deliver clear, actionable insights to help guide the company’s strategy