Senior Software Engineer - Fullstack

Machinify is a pioneering healthcare intelligence organization specializing in the payment continuum. We deliver unparalleled value, transparency, and efficiency to health plans nationwide. With deployments across over 85 health plans, including many of the top 20, and representing more than 270 million lives, Machinify integrates a fully configurable, content-rich, AI-powered platform with industry-leading expertise. We continuously innovate within our sector, creating disruptively simple and effective solutions to enhance financial outcomes and reduce healthcare expenses.We are in search of a talented Senior Fullstack Engineer with a keen interest in working with Rust to join our dynamic engineering team!In this role, you will utilize your extensive programming knowledge to design and develop scalable, dependable web applications. The ideal candidate will possess significant experience in application design and system architecture, along with demonstrated leadership skills necessary for language adoption.You will be part of a high-profile engineering team tasked with tackling intricate and high-stakes challenges using the latest in AI, data, and software systems. Your contributions will directly influence our customers and future product developments, as you partner cross-functionally to shape product direction, engage with clients, and manage systems that positively impact millions of lives—where your technical choices truly matter!

jobgether is hiring a Senior Fullstack Software Engineer based in the US. This position centers on designing, building, and maintaining software that drives the jobgether platform. Role overview This engineer will contribute to both front-end and back-end development, ensuring new features and updates meet the needs of users. Collaboration with product, design, and other engineering teams is a regular part of the work. What you will do Design and implement software solutions for the jobgether platform Maintain and improve existing code to ensure reliability and scalability Work closely with colleagues across functions to deliver user-focused products Requirements Experience in fullstack software engineering Ability to collaborate effectively with cross-functional teams Based in the US

Join butterflymx as a Senior Fullstack Software Engineer, where you'll play a pivotal role in developing innovative solutions to enhance our cutting-edge technology platform. Collaborate with cross-functional teams to design, implement, and maintain scalable applications while ensuring high performance and responsiveness. This is an excellent opportunity for a passionate developer eager to contribute to a dynamic team and make a significant impact.

Remote - US & CanadaJoin the innovative team at thatgamecompany as a Senior Fullstack Software Engineer where your expertise will play a pivotal role in enhancing our flagship title, Sky: Children of the Light. You will be instrumental in developing applications that streamline game operational functions, supporting millions of active users and managing terabytes of daily data.As a Senior Software Engineer, you will collaborate closely with the Lead Software Engineer and contribute to software solutions tailored for both internal and external stakeholders.

Vannevar Labs is at the forefront of defense technology, leveraging cutting-edge AI to deter adversaries in an ever-evolving landscape of conflict. In the 21st century, conflict operates at algorithmic speed, where foresight is equivalent to firepower. Our agentic AI is specifically engineered to counteract competitive threats from entities such as China, addressing scenarios from cross-Strait tensions to gray zone coercion. Our systems are trained on mission-critical datasets within defense, allowing us to model adversary behavior, simulate strategic campaigns, and provide actionable recommendations to decision-makers. Our trusted AI systems are actively deployed on the front lines of the Indo-Pacific region, contributing to peacekeeping and life-saving efforts.At Vannevar, we believe that exceptional technology is born from remarkable talent. Our nimble team combines world-class engineering prowess with seasoned strategists who possess deep experience in defense and tradecraft. We are dedicated to building a company characterized by mission-driven impact, user empathy, and sustainable growth. In just three years, we have scaled from $3 million to $80 million in Annual Recurring Revenue (ARR), achieved early profitability, and attained unicorn status, demonstrating that true disruption does not require ego, and longevity does not require stagnation.About the RoleWe are in search of a seasoned full-stack engineer to enhance the design and implementation of our Decision Advantage platform. This pivotal tool empowers defense and intelligence personnel to attain comprehensive situational awareness of the information landscape, enabling them to recognize and counteract adversarial influence campaigns and information warfare tactics. You will develop the applications utilized by our warfighters and intelligence analysts in their crucial tasks, creating advanced products and features for information distillation, analysis, and visualization that facilitate rapid assessments of the information environment. Collaborating with designers, engineers, subject matter experts, and operational users, you will transform complex intelligence requirements into user-friendly, mission-ready workflows that directly support national security goals.In this role, you will engage with a small, cross-functional team focused on delivering Decision Advantage capabilities to defense clients involved in strategic competition with near-peer adversaries. Your contributions will encompass all facets of the product—from data extraction and ingestion to backend systems (storage, indexing, APIs), frontend development, and AI analysis. The platform boasts a robust foundation, presenting ample opportunities for impactful contributions as we propel it to new heights.Note: This position is also open to candidates at the staff+ level.

Role Overview Vannevar Labs is looking for a Senior Fullstack Software Engineer to help design and build software that supports our mission. This remote role focuses on developing new features and improving existing applications. What You Will Do Work closely with cross-functional teams to deliver high-quality software Develop and enhance features across our applications Contribute to a smooth and effective user experience

About ProspyrAt Prospyr, we are a dynamic post-seed stage startup dedicated to revolutionizing the aesthetic healthcare industry. Our mission is to empower aesthetic clinics to maximize their business potential through our innovative platform, which enhances patient engagement and streamlines clinical operations. Our state-of-the-art practice management software is utilized by clinics nationwide, positively impacting the lives of countless patients.Your RoleAs a Senior Fullstack Software Engineer, you will have the opportunity to create impactful products that enhance the experience of healthcare providers and their patients. Our modern codebase and strong commitment to developer experience facilitate a productive work environment, allowing you to deliver exceptional results.Key ResponsibilitiesEngage in direct collaboration with product, design, and engineering teams.Strike a balance between speed and quality, prioritizing frequent shipping and quick iteration.Take full ownership of features and lead innovation utilizing cutting-edge technology.Foster a culture of code excellence through thorough testing, automation, and peer code reviews.

Solo.io builds cloud-native infrastructure to help organizations move AI projects from experimentation to production. The team focuses on making advanced infrastructure accessible, supporting customers as they scale AI and cloud deployments. Founded in 2017, Solo.io works with Fortune 500 companies and is recognized for contributions to open-source projects in cloud computing, service mesh, and modern infrastructure. The Senior Fullstack Software Engineer will join a remote US-based team. This role centers on developing user interfaces for Solo.io’s cloud and AI products, with about 80% of work focused on front-end development. The mission: turn complex backend systems into intuitive, engaging web applications that users can rely on. What you will do Collaborate with designers, product managers, and backend engineers to create interfaces that simplify advanced technology. Build and maintain front-end frameworks and backend APIs, balancing usability and performance. Contribute to open source projects and work directly with customers in a range of industries. Help drive adoption of Solo.io products by making them accessible and reliable. Requirements Must be based in the United States. Authorized to work in the US on a permanent basis (no visa sponsorship available).

Join Roblox as a Senior Fullstack Software Engineer in our Connections team, where you will have the opportunity to innovate and enhance user experiences on one of the world's largest social platforms for play. You will be responsible for developing robust front-end and back-end solutions that engage millions of users globally. Your role will involve collaborating with cross-functional teams to design, implement, and maintain high-quality software solutions.

Novellia is on a mission to make health data accessible to people across the United States. The platform consolidates health records from multiple providers, giving patients access to years of their medical history in seconds, at no cost. Novellia partners with leading researchers and supports innovation in biopharma by providing patient-authorized, comprehensive datasets for research and regulatory use. The company’s data has contributed to research at major conferences and is backed by notable investors, with rapid growth and strong ties in the pharmaceutical industry. Role overview This remote Senior Fullstack Software Engineer position welcomes candidates at the senior, staff, lead, or principal level, depending on experience and goals. The role focuses on shaping Novellia’s products, building seamless user experiences, and developing reliable systems that support the company’s mission. What you will do Design, build, and maintain fullstack features with Next.js and Node.js Work with PostgreSQL databases and Google Cloud infrastructure Collaborate with a multidisciplinary team to deliver healthcare technology Contribute to ongoing product improvements and new feature development Help keep the platform secure, reliable, and user-friendly Requirements Proven experience with Next.js, Node.js, PostgreSQL, and Google Cloud Background in digital health technologies is a plus Ability to work independently and as part of a collaborative team Strong communication skills and a focus on user needs Novellia will tailor the title and responsibilities to align with each candidate’s experience and professional goals.

About UsAt TeamSnap, we believe that connecting through sports enriches the world. We are a leading sports and communication platform focused on simplifying the organization of youth sports. Our work culture is designed to inspire excitement, support, and innovation. We empower our team members to bring forth grand ideas with humility, earning us a spot on Outside Magazine's list of 'Best Places to Work' and Built In's '100 Best Remote-First Places to Work.'We are looking for a Senior Software Engineer (Backend / Fullstack) who is passionate about full-stack development to join our entirely remote engineering team. Help us scale our user base from over 2 million daily active users and beyond! Our technology stack includes Node.js, Elixir, Ruby on Rails, and SQL, along with Typescript and React.As a member of our engineering team, you will help architect and build scalable systems using a service-oriented and event-driven architecture that supports millions of daily users, including some of the largest youth and amateur sports organizations globally. We value collaboration in our remote work culture, frequently engaging in pair programming sessions and virtual team swarms to strengthen our connections and enhance the team and company.

We require individuals to work onsite in either our Denver (80206), Mountain View (94041), or New York (10018) office four days a week.About LG Ad SolutionsLG Ad Solutions is a premier global innovator in connected TV (CTV) and cross-screen advertising. We are dedicated to delivering cutting-edge advertising solutions that seamlessly integrate into the ever-evolving digital media landscape.Join Our Team:We are on the lookout for a skilled and driven Senior Software Engineer I (Full Stack) to become part of our Demand Side Platform (DSP) team. Our DSP platform empowers advertisers and agencies to programmatically acquire and manage digital advertising inventory across various ad exchanges and supply sources.The DSP team operates at an extraordinary scale, processing more than 1.5 billion ad requests every day. In this position, you will play a crucial role in developing intelligent systems that make instantaneous decisions regarding ad delivery—identifying the most suitable ad to present to each user at precisely the right moment and price, in the most effective format. Your contributions will directly support the real-time decision-making engine connecting premium advertisers with their target audiences across CTV and digital platforms.You will engage in both frontend and backend development, creating and maintaining the web applications and services that drive our advertising platform. Your responsibilities will include developing user interfaces, APIs, and backend services, collaborating with cross-functional teams, and contributing throughout the development lifecycle. If you are passionate about crafting efficient, scalable, and user-centric applications in the adtech sector, we want to hear from you!

P-160 About Us At Databricks, we are dedicated to empowering data teams to tackle some of the most challenging problems in the world — from transforming the next mode of transportation into a reality to expediting the development of medical innovations. We achieve this by developing and operating the leading Data Intelligence Platform, enabling our customers to leverage profound data insights that enhance their operations. Founded by engineers with a customer-centric approach, we eagerly embrace every opportunity to confront technical challenges, whether it involves designing next-generation UI/UX interfaces for data interaction or scaling our services and infrastructure across millions of virtual machines. Our journey is just beginning. As a Senior Full Stack Software Engineer, you will collaborate with your team and product management to simplify data insights for our users. We seek engineers who are customer-focused and capable of overseeing the entire product lifecycle, extending beyond mere technical execution. You will lay the groundwork for creating robust, scalable, and delightful products. Below are examples of experiences you will design for our customers, facilitating the complete project lifecycle from data loading and results visualization to statistical model creation and production deployment: User-friendly workflows for creating, configuring, and managing large-scale compute clusters, networks, and data sources. Develop, deploy, test, and upgrade intricate data pipelines, featuring powerful visual data graphs. Streamlined onboarding and management for all organizational members to adopt a data-driven approach. Exceptional SQL-centric data exploration and dashboarding experience on Databricks. An interactive environment for collaborative data projects at scale, with a straightforward path to production.

About ClarionAt Clarion, we are revolutionizing communication in healthcare through the power of AI.Currently, clinics are missing 30–40% of patient calls and their staff is burdened with administrative tasks. We envision a future where AI agents manage these workflows, including scheduling, billing, prescription refills, and follow-ups, allowing healthcare professionals to dedicate more time to patient care.We are developing the essential communication infrastructure that modern healthcare needs. Our AI agents do more than just answer calls—they manage workflows from start to finish, ensuring that every patient is heard. To date, we have successfully handled hundreds of thousands of patient interactions across virtual care companies, health systems, and a $5 billion health insurance provider.Founded by a physician trained at Stanford and Harvard, alongside a former Amazon Alexa engineer who led AI/ML teams at Salesforce, Clarion has raised $5.4 million from prominent investors including Accel, Y Combinator, and Sequoia. Our in-person team in New York is rapidly advancing to tackle one of the most pressing challenges in healthcare.

At Vanta, our mission is to empower businesses to establish and demonstrate trust. We believe that security should be continuously monitored and verified, enabling companies to enhance their security practices effortlessly. Our team is comprised of kind and talented individuals; while some members have prior experience in security, many have successfully excelled at Vanta without it.As a Senior Software Engineer, you will play a pivotal role in leading and mentoring fellow engineers, delivering high-impact products that enhance our customers' experiences and support our growing infrastructure.Vanta is rapidly expanding, and it is crucial to invest in the right abstractions and systems to facilitate this growth. In this role, you will set the technical direction, enabling our product and infrastructure to effectively scale with our business. You will drive complex projects across our technical stack and mentor our talented engineering team, utilizing your extensive experience to fuel Vanta's growth.Since our inception, we have achieved remarkable product-market fit and monetized effectively from our very first customer. We are experiencing rapid growth, presenting unique career-defining opportunities for engineers to accelerate their professional development and contribute to a fast-scaling company.To learn more about our engineering team's initiatives, visit our Vanta Engineering Blog.The Governance, Risk, and Compliance (GRC) organization is at the forefront of developing and maintaining Vanta's core product offerings. Our teams are central to Vanta's strategy to support enterprise customers, building products that seamlessly integrate with their existing security and compliance frameworks, providing invaluable insights and recommendations for their ongoing operational maturity.Key Responsibilities for Senior Software Engineers at Vanta:Lead complex projects involving multiple stakeholders and engineers to deliver significant business impact.Establish direction for critical technical areas, ensuring we remain ahead of rapid growth.Design, develop, and own new product functionalities and/or infrastructure using modern frameworks and tools (e.g., TypeScript, React, Node.js).

Join PrePass as a Senior Fullstack EngineerAt PrePass®, we are revolutionizing the transportation industry with our cutting-edge weight station bypass and toll management solutions. Trusted across North America, our goal is to enhance the efficiency and safety of commercial vehicles on the road. We are committed to making bold decisions that not only benefit fleets but also contribute positively to the economy.Our solutions operate in real-time, enabling trucks to navigate highways and interstates smoothly and effectively. We seek innovative thinkers who are eager to tackle complex challenges and make a meaningful impact in the world of transportation.Role OverviewAs a Senior Fullstack Engineer, you will design and develop systems that facilitate real-time weigh station bypassing, tolling solutions, and safety alerts. This role spans the entire technology stack, leveraging .NET Core for backend APIs and modern web technologies such as React, TypeScript, and TailwindCSS for frontend development. You will work closely with cross-functional teams and mentor others while influencing technical strategy.

At Databricks, we are committed to empowering data teams to tackle the world's most challenging problems — from realizing the next mode of transportation to speeding up the progress of medical innovations. We achieve this by developing and maintaining the world's leading Data Intelligence Platform, enabling our clients to leverage profound data insights for enhancing their business operations.As a Senior Fullstack Software Engineer, you will collaborate closely with your team and product management to simplify data insights for our users. We seek engineers who are truly customer-focused, capable of embracing the complete product scope and user experience beyond mere technical execution. You will lay the groundwork for creating robust, scalable, and delightful products.Here are some of the impactful experiences you’ll help create for our customers, encompassing the entire project lifecycle from data loading to visualization, statistical modeling, and production deployment:Effortless workflows for creating, configuring, and managing extensive compute clusters, networks, and data sources.Design, deploy, test, and enhance sophisticated data pipelines with rich features to visualize data interactions.Smooth onboarding and management for all team members aiming to become data-driven.Deliver an exceptional SQL-centric data exploration and dashboard experience on the Databricks platform.Facilitate an interactive environment for collaborative data projects at a massive scale, with a straightforward pathway to production.

At CLEAR, we are pioneering the future of secure identity. Our mission is to enhance safety and convenience in both physical and digital experiences. With over 38 million members and a rapidly expanding network of partners worldwide, our secure identity platform is revolutionizing how individuals live, work, and travel. Whether at airports, stadiums, or in everyday situations, CLEAR is committed to providing seamless experiences for our members. As a recognized leader in digital and biometric identification, CLEAR is dedicated to minimizing friction during ID checks for our members. We are in search of a talented Senior Software Engineer to contribute to the development of next-generation products that extend beyond traditional ID solutions, empowering our members to harness the full potential of a connected digital identity. In this role, you will engage in the design, implementation, testing, and deployment of applications that enhance our platform, ensuring that member privacy and security remain paramount.

Join our dynamic team at counsel as a Senior Fullstack Software Engineer, where you will play a pivotal role in designing and developing cutting-edge applications. You will collaborate with cross-functional teams to build scalable and efficient software solutions. This is an opportunity to leverage your expertise in both front-end and back-end technologies to create impactful products.