Lead Software Engineer - Ruby on Rails

About Amperos HealthAmperos Health stands at the forefront of revolutionizing revenue cycle management (RCM) for healthcare clinics, enabling them to optimize revenue collection efficiently and swiftly. Established in 2023 and supported by notable investors such as Uncork, Neo, Nebular.vc, and strategic angels from industry leaders like OpenAI, Stripe, and Twilio, our mission is to transform the relationship between healthcare providers and payers. We envision an AI-driven workforce that alleviates administrative workload and accelerates the financial return for healthcare professionals.About the RoleAs our inaugural Infrastructure Engineer, you will spearhead the development of our infrastructure at Amperos. You will manage DevOps, enhance developer experience, ensure compliance, and oversee observability and monitoring within our AWS environment. This role presents exciting challenges associated with AI infrastructure, and you will have the chance to mold and lead your team as we expand.Key ResponsibilitiesEstablish and maintain the infrastructure to support Amperos' growth trajectory.Enhance and optimize AWS infrastructure, boosting development efficiency and creating modular engineering frameworks.Develop systems that expedite the deployment of AI features and enhance observability of large language models (LLMs).Minimize AWS expenditures while improving visibility into infrastructure costs.Lead initiatives related to security and technical compliance, including VPNs, firewalls, and network configurations.Candidate ProfileA minimum of 5 years of experience in leading infrastructure teams within top-tier organizations.Ability to identify key ROI infrastructure challenges from the outset and develop a strategic roadmap for enhancements.Proficient in leading engineering discussions and articulating the impact of infrastructure projects.Adaptable and willing to take on diverse roles as needed; no task is too small.Demonstrates high agency, with the capability to produce results with minimal guidance.Excellent verbal and written communication skills; proactively shares vital information with the team.Passionate about leveraging technology to address challenges in an underserved industry.

Join arch.co as a Lead Infrastructure Engineer, where you will play a pivotal role in designing, implementing, and maintaining our cutting-edge infrastructure systems. Collaborate with cross-functional teams to ensure robust architecture and performance optimization, while mentoring junior engineers and providing technical leadership.

At Profound, we are dedicated to empowering businesses to comprehend and manage their AI presence effectively. As an Infrastructure Software Engineer, you will play a pivotal role in building and scaling the systems that facilitate our rapid expansion. Your primary focus will be on ensuring that our infrastructure is not only highly available but also cost-efficient and capable of managing significant traffic and compute demands. You will collaborate closely with engineers across product, research, and operations teams to design scalable architectures, streamline deployment processes, and enhance system observability.Your ResponsibilitiesDesign and maintain core infrastructure across diverse cloud environments.Develop infrastructure-as-code workflows to automate deployment and scaling processes.Enhance monitoring, logging, and alerting systems to ensure system reliability.Oversee CI/CD pipelines to facilitate seamless deployments.Assist in disaster recovery planning to guarantee high system availability.Collaborate with product and research teams to design architectures that can scale with increasing workload demands.Identify and resolve performance bottlenecks in compute, storage, and networking.Implement security best practices and compliance frameworks across the infrastructure.

About KiddomKiddom is an innovative educational platform dedicated to enhancing student equity and growth. By combining high-quality instructional resources with interactive digital learning, Kiddom enables schools and districts to take control of their curriculum. This results in personalized learning experiences that cater to the distinct needs and aspirations of local communities. The platform is enriched with insightful data for teachers and leaders, fostering continuous improvement in instructional strategies, school programming, and professional development.As a member of the InfraOps team, you will play a crucial role in supporting Kiddom's engineering efforts by developing a scalable and sustainable infrastructure that aligns with our company objectives. This is a unique chance to join a small, skilled team during a pivotal moment as we transition from Series C to D funding. You will have the autonomy to influence your work significantly, embracing a variety of tasks that reflect your expertise and enthusiasm.Key Responsibilities:Promote and cultivate a robust DevOps culture at Kiddom by collaborating with teams to establish best practices and guide both new and existing services.Implement Infrastructure as Code (IaC) to ensure confidence in automated, repeatable processes.

Astronomer develops Astro, a unified DataOps platform powered by Apache Airflow®. Over 800 enterprises rely on Astronomer to help their teams apply software, analytics, and AI to real-world challenges. More details are available at www.astronomer.io. Role overview The Airflow Infrastructure team at Astronomer scales Apache Airflow for organizations with complex data pipelines. This group works within Research and Development, focusing on cloud-native infrastructure and open-source integration. As a Software Engineer on this team, the main responsibility is building the infrastructure layer that connects open-source Airflow with scalable, enterprise-grade cloud systems. The work directly impacts how companies orchestrate and manage data pipelines, emphasizing speed, reliability, and ease of use. This position is based in New York City and follows a hybrid work schedule. What you will do Write and maintain backend services using clean, well-tested code. Collaborate with engineers, product managers, support, and leadership to align technical direction with business goals. Participate in code reviews and provide constructive feedback to peers. Enhance the performance, reliability, and scalability of backend systems. Prototype and suggest new ideas to improve user experience. Document systems and processes in a clear, accessible manner. Join on-call rotations to troubleshoot and resolve incidents as they occur. Requirements 3-5 years of experience with Python, Golang, and Kubernetes. Strong understanding of distributed systems and microservices architecture. Experience working with cloud platforms and CI/CD pipelines. Demonstrated problem-solving skills and a collaborative mindset.

Join the Revolution at CheckAt Check, we transform the way people get paid, simplifying payment processes for payroll businesses. As pioneers of embedded payroll, we collaborate with our partners to redefine payroll systems, enabling businesses to launch, grow, and flourish. Discover our journey | Listen in.Check is more than just an API infrastructure; we serve as a launchpad for payroll businesses.Our TeamPayroll systems are in need of innovation. Join a passionate team dedicated to solving these challenges! At Check, your problem-solving skills, critical thinking, and determination will drive impactful changes across our projects. We view challenges as opportunities and encourage collaboration that leverages the unique strengths of every team member.If you are ready to dive in and reshape payroll, let’s work together to simplify complexities and create a brighter future for businesses of all sizes.The RoleEngineering is the backbone of Check. We envision payroll as part of modern financial software, which necessitates robust systems that our operators and partners can rely on. Every solution we develop is built on reliable, scalable, and secure systems that ensure timely payments.We are in search of a Staff Software Engineer who possesses strong software design expertise coupled with hands-on infrastructure experience. In this position, you will enhance the core systems that enable payroll operations, focusing on scalability, production efficiency, and empowering engineers with reliable tools for software deployment.You'll collaborate across product and platform teams to advance our cloud infrastructure, enhance system deployment and monitoring, and simplify the architecture underpinning embedded payroll. Your challenges will often bridge the domains of infrastructure, product, and operations.This role is perfect for individuals who have managed complex systems in dynamic environments and take pride in creating resilient, understandable infrastructure that is essential for business operations.

Join Watershed as a Cloud Infrastructure Software EngineerAt Watershed, we are revolutionizing the way enterprises manage their sustainability efforts. Our platform is trusted by industry leaders such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens to effectively handle climate and ESG data, produce audit-ready metrics for various reporting requirements, and drive meaningful decarbonization initiatives. We are seeking passionate team members dedicated to product innovation and eager to contribute to a mission-driven startup culture.With offices in San Francisco, New York, Denver, London, Paris, Berlin, Sydney, Mexico City, and a growing remote workforce across the US and Europe, we invite you to be part of our expanding team!Your RoleAs part of the Cloud Infrastructure team at Watershed, you will play a pivotal role in developing the foundational systems that our products rely on. You will also be instrumental in creating tools that our engineering teams use to deploy, test, scale, and monitor their applications effectively. This is an exciting opportunity to support a rapidly evolving codebase and build systems that enhance the experience for all engineers at our company.We are looking for candidates with experience in managing cloud infrastructure, navigating various scalability challenges, and optimizing engineering productivity. Familiarity with Google Cloud Platform is a plus, but not mandatory.We value traits such as customer obsession, hard work, inclusivity, and optimism in our team members.Are you a good fit?3-5+ years of engineering experience.Experience working on Infrastructure or Platform teams, or significant involvement in projects with infrastructure components (e.g., multi-region architecture, CI/CD, infrastructure as code, Kubernetes, release management, observability, cloud security).A passion for building the right tools to match our company's growth stages.A collaborative spirit that fosters great outcomes for customers.This position is based in our New York office.

About SandbarAt Sandbar, located in the vibrant heart of New York City, we are dedicated to enhancing human capability in an increasingly agentic world. Our innovative team has developed cutting-edge software, machine learning, and hardware products, collaborating with industry leaders including Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.Our flagship product, Stream, represents the future of human-agent interaction—a sophisticated private voice ring and conversational computer that has garnered attention from WSJ, Bloomberg, and Wired, with shipping set to commence in Summer '26.We invite you to join us in pioneering a transformative interface for self-augmentation.Your RoleWe are on the lookout for a talented and experienced infrastructure engineer to play a critical role in the development of Stream. You will be instrumental in creating a highly scalable, real-time production service that incorporates multiple stages of machine learning and data processing. Collaboration with mobile and firmware engineers will be essential as you lay the groundwork for groundbreaking human-computer interactions.

Anthropic is hiring a Staff Software Engineer to focus on Node Infrastructure. This position is based in San Francisco, New York City, or Seattle. Role overview This role centers on designing, building, and maintaining the core systems that support Anthropic’s services. The work directly affects the reliability and scalability of the company’s AI offerings. Collaboration Work closely with a skilled engineering team to develop infrastructure that supports high-quality AI solutions. The team values input and hands-on problem solving from every member. Impact Efforts in this role help ensure Anthropic’s services remain stable and can grow as demand increases. The systems you help create will play a key part in the company’s ability to deliver dependable AI products.

About DecagonDecagon stands at the forefront of the conversational AI revolution, enabling brands to provide exceptional concierge-level customer experiences. Our cutting-edge technology empowers renowned enterprises such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to implement AI-driven agents. These agents facilitate personalized interactions across all communication channels including voice, chat, email, and SMS.Our vision is to transform the landscape of customer interactions, moving beyond traditional support tickets and hold music toward expedited resolutions, enriched conversations, and stronger relationships. We are proudly supported by prestigious investors such as a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, all of whom share our ambitious vision.As an in-office company, we thrive on a collective commitment to excellence and speed. Our core values—Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle—guide our collaborative efforts and professional growth.About the TeamThe Infrastructure team is responsible for designing and maintaining the essential frameworks that drive Decagon’s operations, including networking, data management, machine learning serving, developer platforms, and real-time voice communication. We collaborate closely with product, data, and machine learning teams to create high-scale, low-latency systems that meet stringent service level objectives and offer exceptional developer experience.Our team focuses on five critical areas:Core Infrastructure: Our foundational cloud architecture encompasses networking, computing, storage, security, and infrastructure-as-code, ensuring reliability, scalability, and cost-effectiveness.Data Infrastructure: We develop streaming and batch data platforms that drive analytics and business intelligence while enabling customer-facing telemetry for both customer-managed and on-premises environments.Machine Learning Infrastructure: Our platforms support GPU and model serving for large language model inference, featuring multi-provider routing and capabilities for on-premises or air-gapped deployments.Developer Experience Platform: We focus on continuous integration and deployment (CI/CD), streamlined processes, and essential services that facilitate fast, safe, and consistent shipping across teams.Voice Infrastructure: Our telephony and WebRTC stack ensures ultra-low-latency, high-quality voice communication, supported by comprehensive observability.Our mission is to deliver extraordinary support experiences where AI agents collaborate with human operators to resolve challenges swiftly and accurately.About the RoleWe are seeking a Senior Infrastructure Engineer who will play a pivotal role in shaping our infrastructure landscape and enhancing the efficiency and performance of our systems.

About Aura: At Aura, we are dedicated to creating a world where people maintain genuine connections with their loved ones every day. Our innovative digital frames have transformed into a private social network, enabling users to effortlessly share photos and videos with family and friends through our user-friendly apps, all displayed beautifully on premium Wi-Fi frames. Aura is proud to be the most recommended digital frame by independent reviewers and the only one endorsed by The New York Times Wirecutter. With millions of frames in use globally, we are constantly pushing the boundaries of innovation, introducing new products and software features, and expanding into new markets, driving profitable growth. Our network of millions of digital picture frames delivers photos to users worldwide, especially during peak gifting seasons, requiring our infrastructure to be scalable and robust. We leverage advanced computer vision and machine learning technologies to process hundreds of millions of photos, enhancing how users discover, arrange, and display their cherished memories. Our commitment to continuous improvement in both hardware and software is unwavering. Role: Join our dynamic infrastructure engineering team located in New York City and San Francisco, where you will design, develop, and maintain adaptable backend systems for a Rails API. These systems are engineered to scale efficiently while supporting our rapidly evolving product line and upholding stringent standards for performance, security, and cost-effectiveness. What you’ll do: Architect and implement sharding for our PostgreSQL backed Rails API Lead initiatives focused on enhancing system reliability, which includes monitoring, alerting, and incident response Optimize application and database expenditures

About Gecko RoboticsAt Gecko Robotics, we are dedicated to empowering essential organizations around the globe to maintain the availability, reliability, and sustainability of their critical infrastructure. Our innovative solutions integrate wall-climbing robots, state-of-the-art sensors, and an AI-driven data platform, offering our clients unparalleled insights into the present and future condition of their physical assets. This capability facilitates real-time decision-making, enhances operational efficiency and safety, fosters mission readiness, and safeguards both the environment and society from the consequences of infrastructure failures.Position OverviewJoin our Cloud Platform team, where our mission is to enable software engineers to work without hindrances, ultimately accelerating our ability to deliver outstanding products. We achieve this by streamlining software development processes, focusing on automation, shared libraries, and advanced DevOps tools, allowing engineers to concentrate on the unique challenges presented by Gecko Robotics.This position will take lead in refining our cloud architecture and automation, particularly within our government cloud environment. You will be responsible for ensuring the maintainability and usability of our intricate single-tenant deployments, which are inherently complex and compliance-oriented. Your role will involve simplifying this complexity through abstraction and automation, enabling product engineers to deploy and manage confidently without needing to become experts in government cloud compliance.Key ResponsibilitiesDevelop and own the strategic vision for maintaining and scaling our diverse single-tenant environments, currently hosted in Google Government Cloud and Azure, with potential future expansion to AWS.Automate and standardize the variances across our cloud environments to alleviate the burden of compliance regulations and unique requirements from our developers.Create robust Infrastructure as Code (IaC) modules and shared libraries that provide benefits across all environments, minimizing redundancy.Collaborate closely with fellow Cloud Platform team members to fulfill our goal of making software development at Gecko seamless and efficient. Current responsibilities include:Providing expertise on cloud technologies and acting as internal consultants.Ensuring a smooth, intuitive, and automated CI/CD pipeline.Managing customer authentication processes.Overseeing permissions management.

Senior Backend Engineer – Transform Telecom Infrastructure for NextGenAt OXIO, we are revolutionizing the telecom landscape with the world’s first Telecom-as-a-Service (TaaS) platform. Our mission is to democratize telecom, empowering brands and enterprises to own and manage proprietary mobile networks tailored to their unique customer needs. By integrating multiple networks into a single, cloud-based platform, we provide a modern SaaS solution that offers full network access, delivering exceptional business intelligence and insights to enhance understanding of customer and machine behavior. With a relentless focus on innovation, OXIO enables companies to establish a robust telecom presence while unlocking unparalleled customer insights.As we expand our capabilities, we are looking for an experienced Tech Lead to contribute to our flagship BrandVNO platform. In this pivotal role, you will lead the development of our software development kit (SDK), empowering clients to craft groundbreaking telecom experiences within their mobile applications.

CVector is dedicated to revolutionizing economic optimization and AI-driven predictions across energy and manufacturing sectors.Our technology seamlessly integrates critical decision-making factors that impact cost, reliability, and profit margins, providing a unified decision layer that forecasts future scenarios, simulates potential outcomes, and optimizes operational strategies. This allows industrial plants to operate closer to their maximum economic potential daily.This position requires in-office attendance at our New York City headquarters four days a week. CVector serves clients nationwide and operates in challenging industrial environments.Role OverviewAs a Senior Software Engineer specializing in Backend and AI Infrastructure, you will be instrumental in advancing CVector’s backend platform. Your focus will be on developing time-series data systems, AI-enhanced analytics, cloud infrastructure, and data ingestion pipelines that underpin our client-facing applications and internal modeling tools.This role is ideal for engineers who thrive on working closely with data and infrastructure, possess excellent architectural judgment, and are eager to engage with AI systems, databases, and distributed backend services. You will take ownership of complex systems, lead significant technical migrations, and influence the integration of intelligence into industrial energy workflows.You will work in close collaboration with product, modeling, and frontend engineers, significantly impacting the platform's direction, reliability, and scalability for the long term.Key ResponsibilitiesAs a Senior Software Engineer, your contributions will span various interconnected domains:Intelligent SystemsTranslate customer domains and operational workflows into effective prompts and AI system interfaces.Design, implement, and refine evaluations for AI outputs.Incorporate customer feedback and reinforcement signals to enhance system performance.Optimize context selection, retrieval, and trace collection to elevate output quality.Fine-tune smaller models using collected traces to enhance speed while maintaining performance standards.Evaluate and assimilate new AI platforms and models as they emerge.Support the training and deployment of large, time-series-specific models.Backend Platform and Data InfrastructureOversee migrations and enhancements of our time-series data schemas and storage systems.Update and manage PostgreSQL and associated database infrastructure.Develop and sustain data connectors for industrial and external systems.Lead improvements to MQTT-based data ingestion pipelines.Transition PostgREST to a GraphQL-based framework and evolve our API architecture.

Gecko Robotics develops technology that helps major organizations monitor and maintain their critical infrastructure. The company’s wall-climbing robots, advanced sensors, and AI-driven data platform provide insight into the condition of physical assets. This information supports real-time decisions, improves safety, and helps prevent failures. Role overview The Software Platform team at Gecko Robotics works to remove obstacles for engineers by building automation, shared libraries, and DevOps tools. Their efforts streamline software development, deployment, and management, allowing engineers to focus on core technical challenges rather than routine tasks. This Software Engineer position centers on the Government cloud platform. The main focus is to advance cloud architecture, deployment processes, and automation strategies tailored for government clients. The objective is to maintain and scale single-tenant environments, enabling engineers to manage deployments without needing deep cloud expertise. What you will do Design and automate secure infrastructure environments for high-compliance government clients, aiming to deliver a seamless experience similar to public cloud operations. Simplify and automate differences across various cloud environments, so developers do not need to handle complex compliance requirements or environment-specific details. Create Infrastructure as Code (IaC) modules and shared libraries to support all environments and reduce redundant work. Collaborate with the Software Platform team to improve the process of building, deploying, and managing software at Gecko Robotics. Contribute to ongoing focus areas such as: Automated and user-friendly CI/CD pipelines Customer authentication systems Permission management frameworks DevOps tool management and optimization Enhancing the local development experience Onboarding and internal training Location This position is based in New York City.

About Standard BotsAt Standard Bots, we are at the forefront of transforming real-world automation, making robotic systems accessible to everyone. Our innovative platform empowers robots to address unprecedented challenges through an intuitive instruction interface, effectively bridging the gap between software automation and physical environments. Location and BenefitsThis role adopts a hybrid work model, requiring 3 days per week onsite at our centrally located New York City office, conveniently near Grand Central Station. Our office is fully equipped with robots for demonstrations and testing! Additionally, this role will involve approximately 4 days per month at our Glen Cove robotics facility.About the RoleWe are looking for a Senior Software Engineer specializing in Infrastructure & Developer Tooling to spearhead the development and scaling of our core infrastructure and internal tools that facilitate our robot deployment and development lifecycle. This pivotal role merges distributed systems, DevOps, and developer experience to enhance mission-critical robotics operations. You will take on the role of technical lead for infrastructure initiatives and potentially manage 1-2 engineers, with room to expand into a broader leadership position as the team grows.You will be responsible for key initiatives that guarantee secure deployment, monitoring, and updating of our robots at scale, while also enabling efficient and reliable development across the engineering organization. This is a unique chance to influence the foundational systems of a dynamic robotics company from the ground up.In this role, you will:Lead Infrastructure Development:Design and implement scalable infrastructure for robot deployment pipelines.Build and maintain systems for automated robot software updates and provisioning.Develop robust CI/CD pipelines and environment management workflows.Scale our multi-cloud infrastructure with a focus on:Robot fleet management and telemetry.Secure robot-cloud communication.Cloud resource cost efficiency and availability.Own Observability and Reliability: Implement and enhance observability systems to:Monitor robot fleet health, uptime, and usage.Track system performance and reliability metrics.

Mark43 is excited to announce we are open to hiring talent in Canada, the UK, and 36 U.S. states, including Alabama, Arizona, California (excluding San Francisco), Colorado, Connecticut, Washington D.C., Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, and West Virginia. Before applying for this remote position, please ensure you can fulfill the role from one of the aforementioned states. Please note, state locations and specifics are subject to change as our hiring requirements evolve.Applicants must be authorized to work for any employer in the country where the role is being recruited. At this time, we are unable to sponsor or take over sponsorship for any employment visa.Mark43’s mission is to empower communities and their governments through innovative technology that enhances safety and quality of life for all. Our dedication is to build powerful, scalable, and elegant software that establishes new standards for the tools relied upon by our first responders. Recognizing the diversity of our users, we are committed to fostering a team that embraces diverse thoughts and experiences.We are looking for seasoned and imaginative senior software engineers who have successfully delivered enterprise-scale solutions and released commercial software to enterprise clients. Join us to help create the next generation of cloud-based public safety software. As a senior member of the Mark43 team, you will take full ownership of projects and features from inception to completion, establishing yourself as a trusted resource for your peers. You will develop robust server-side solutions tailored to our unique challenges related to scale, security, and reliability. We utilize technologies such as React, TypeScript, Node.js, SQL, Redis, and Elasticsearch and actively participate in the open source community. As an engineer at Mark43, you will enjoy a culture that encourages innovation and collaboration.

About AdaptiveAdaptiveSecurity stands at the forefront of AI cybersecurity, being the exclusive investment of NVIDIA and OpenAI in this crucial field.As a pioneering startup, our mission is to thwart AI-driven cyberattacks. Following a successful funding round in December 2025, we secured $81M in Series B financing led by NVIDIA and Bain Capital Ventures, with contributions from Capital One Ventures, Citi Ventures, and ongoing support from Andreessen Horowitz (a16z), the OpenAI Startup Fund, and Abstract Ventures. This landmark funding round signifies NVIDIA's inaugural venture into AI cybersecurity.Founded by seasoned entrepreneurs Brian Long and Andrew Jones, who have a track record of building and scaling industry-leading companies, Adaptive is poised for growth. Previously, they co-founded Attentive, which achieved over $500M in annual revenue and a valuation exceeding $10B, along with TapCommerce, acquired by Twitter. Their extensive experience in fostering high-growth, product-centric businesses is integral to Adaptive's ambition to create a robust security framework for the AI landscape.Our trusted solutions are utilized by leading banks, technology firms, and healthcare providers, safeguarding teams against emerging threats such as deepfakes, smishing, and AI-generated voice scams. With swift enterprise adoption and a market potential exceeding $200B, Adaptive is just getting started.RoleWe are on the lookout for a Lead Software Engineer who is passionate about crafting high-quality software within a dynamic startup atmosphere where each engineer significantly influences product outcomes and company growth.In this role, you will tackle our most intricate and far-reaching technical challenges. You will set the technical vision, mentor fellow engineers, and oversee critical components of our platform. This position is ideal for a leader who inspires through influence, engages directly in problem-solving, and elevates the performance of those around them.ResponsibilitiesDefine technical direction and unite the team around common objectives.Manage multiple projects from inception to completion, regardless of size or complexity.Mentor and advocate for engineers to facilitate their professional development.Resolve obstacles — when the team faces challenges, you will clarify trade-offs and assist in decision-making.Collaborate closely with product and design teams — in this role, you will make strategic decisions that shape the product's trajectory.Engage directly in coding and technical tasks when necessary, rather than solely delegating.Foster a culture of ownership, urgency, and technical excellence.Stay abreast of cutting-edge technologies and introduce innovations that enhance our platform.

Join Gauntlet, a pioneer in quantitative research and optimization of decentralized finance (DeFi) economics. We specialize in managing market risk, optimizing growth, and ensuring the economic integrity of protocols that facilitate the majority of spot trading, borrowing, and lending activities within the DeFi space. Our commitment is to protect and enhance the largest protocols and networks, building institutional-grade vaults that provide risk-adjusted on-chain yields for capital at scale, crafted by some of the sharpest quantitative minds in the crypto industry, guided by extensive research.As of November 2025, we proudly manage over $2 billion in total value locked (TVL) across our vaults and optimize risk and incentives for over $42 billion in customer TVL. Our cutting-edge research continuously shapes our risk models, alerts, and analysis, making us one of the most cited institutions in the realm of DeFi, including among academic circles. Operating as a Series B company, we are home to approximately 75 talented employees, embracing a remote-first approach with a primary base in New York City.At Gauntlet, we harness automated risk models and off-chain intelligence to create institutional-grade vaults that deliver scalable, risk-adjusted DeFi yields. Our curated strategies span platforms such as Morpho, Drift, Symbiotic, and Aera, with a robust portfolio of Prime, Core, and Frontier vaults.Our mission is to foster understanding and adoption of future financial systems. We operate with the discipline of seasoned traders and the skepticism of risk managers: sizing trades carefully, applying rigorous stress testing, and executing decisions decisively. We believe that transparency is key: the label, package, and contents must align perfectly, ensuring no surprises—only dependable, predictable vaults.As a Senior Software Engineer on our derivatives trading team, you will play a pivotal role in developing the core infrastructure that powers our product offerings and trading systems. Collaborating with a team rich in experience across technology and finance, you will help build the backbone of our high-performance derivatives trading strategies. This role places you close to trading operations, allowing you to take ownership of critical infrastructure from end to end and to deploy systems that manage real capital in active crypto markets.