Fullstack Engineer at Duna | Remote

Are you enthusiastic about crafting seamless and high-performance integrations across various platforms, services, and applications? We are seeking a talented Fullstack Integration Engineer to become a vital part of our team, driving secure, efficient, and scalable connections. Your Responsibilities: Design, develop, and maintain integrations between our internal systems and third-party services. Build and optimize RESTful APIs with an unwavering focus on performance and security. Validate and enhance interfaces to ensure smooth and reliable system communication. Develop, execute, and automate unit and integration tests for higher quality outcomes. Implement and oversee CI/CD pipelines utilizing GitHub Actions. Monitor and optimize integrations throughout development, staging, and production environments. Ensure clear and organized documentation of APIs and integration workflows.

Do you have a strong passion for constructing seamless, high-performance integrations between various platforms, services, and applications? We are in search of a talented Fullstack Integration Engineer to join our dynamic team. In this role, you will play a crucial part in securely, efficiently, and effectively connecting various systems at scale. Key Responsibilities: Design, develop, and maintain integrations between internal and external systems. Construct and enhance REST APIs with a keen emphasis on performance and security. Validate and refine interfaces to ensure optimal system communication. Develop, execute, and automate unit and integration tests. Implement and sustain CI/CD pipelines utilizing GitHub Actions. Monitor and optimize integrations throughout development, staging, and production environments. Keep clear and structured documentation for APIs and integration workflows.

Are you excited about crafting seamless and high-performance integrations across various platforms, services, and applications? We invite you to become a part of our dynamic team as a Fullstack Integration Engineer, where your expertise will help us connect systems securely, efficiently, and at scale. Your Responsibilities: Design, develop, and maintain robust integrations between internal and third-party systems. Create and optimize REST APIs with a strong focus on performance and security. Validate and refine interfaces to ensure seamless communication between systems. Develop, execute, and automate unit and integration tests. Implement and oversee CI/CD pipelines using GitHub Actions. Monitor and enhance integrations across development, staging, and production environments. Maintain clear, structured documentation of APIs and integration workflows.

About OneleetOneleet stands out as one of the fastest-growing security and compliance platforms in the industry, striving to revolutionize the compliance and cybersecurity landscape. Our mission is to simplify cybersecurity and compliance processes, making them effective and hassle-free. Through our platform, we empower companies to build, manage, and monitor their cybersecurity initiatives while achieving compliance with standards like SOC 2 and ISO 27001 efficiently.With a recent successful funding round of $33 million Series A, we are expanding rapidly in both our customer base and team size. Our experienced professionals have decades of expertise in security and compliance. Join our dynamic team of innovators and help us redefine the fragmented cybersecurity and compliance industry.Who We’re Seeking:We are on the lookout for passionate self-starters who possess a growth mindset and a strong sense of accountability. If you thrive in solving complex challenges, relish ambiguity, and aim to make a meaningful impact, you will be a great fit.We particularly value:Innovators eager to challenge the status quo and foster disruption.Collaborative builders who are decisive yet open to teamwork, ensuring we move swiftly.Effective communicators who take ownership of their ideas and execute them.Our mission is clear: to make effective cybersecurity accessible and straightforward. We believe cybersecurity should empower organizations rather than act as a hindrance, and this conviction guides our actions at every level.If you’re ready to embrace change and contribute to the future of cybersecurity, we’d love to connect with you.Job DescriptionAs a Fullstack Engineer focusing on AI Integration at Oneleet, you will play a pivotal role in actualizing our AI capabilities within our cybersecurity platform. Your responsibilities will span the entire technology stack, from integrating AI endpoints and preparing contextual data to crafting user-friendly interfaces that present complex AI-driven insights in an accessible manner.This is a hands-on role where you will manage the entire integration process—from capturing the relevant security context from our platform to effectively utilizing our AI services and delivering valuable results for security teams. You will closely engage with customers to comprehend their requirements and rapidly iterate based on their feedback.Primarily working with Go, Python, and JavaScript, you will ensure that our AI features are fast, reliable, and genuinely beneficial for daily security operations.Key Responsibilities:Integrate AI solutions seamlessly into our platform, ensuring user-friendly access to advanced functionalities.Collaborate with cross-functional teams to enhance the overall user experience.Utilize customer feedback for continuous improvement of AI features.

About UsAt Integrate, we are on a mission to revolutionize program management for the world’s most ambitious technologies, including robotics and aerospace. Based in Seattle, we facilitate seamless collaboration across organizations in deep tech, enhancing communication between vendors, customers, and external stakeholders. Our goal is to streamline collaboration and reduce communication overhead, allowing teams to focus on what truly matters: innovating and building the future.Our SolutionIntegrate provides a tailored platform designed specifically for the complexities and demands of modern hardware development. We empower teams to communicate effectively, stay aligned, and accelerate their projects with confidence, ensuring that critical information is shared efficiently and decisions are made promptly.About the RoleWe are seeking a skilled DevSecOps Engineer to lead the evolution of our infrastructure, reliability, and security as we expand. This pivotal role combines infrastructure management, platform engineering, and security expertise. Your primary responsibility will be to ensure our systems are reliable, scalable, observable, and secure, enabling our engineering teams to operate swiftly and confidently.This position emphasizes back-end infrastructure, observability, scalability, and security rather than focusing on feature development, acting as a catalyst for the entire engineering organization.Why Join Us?Be part of a dynamic, close-knit team at the forefront of hardware innovation. You will have the unique opportunity to shape the foundational infrastructure that supports groundbreaking work in robotics, aerospace, and advanced manufacturing as we scale to commercial adoption.

Integrate develops program management software for advanced machinery and systems, with a focus on organizations in deep tech fields such as aerospace, autonomous vehicles, and robotics. The team is based in Seattle and works to improve collaboration and streamline workflows for companies tackling complex hardware projects. Current tools often fall short when it comes to the pace and complexity of hardware development in these industries. Integrate addresses this gap by building solutions that help teams and partners communicate more effectively, allowing innovation to move faster and with fewer obstacles. Role overview The Backend Engineer will play a key role in building and shaping the core infrastructure behind Integrate's platform. This position involves more than maintenance, engineers here design new systems and solve technical challenges that matter. The team values those who enjoy tackling problems like distributed system optimization, scaling data federation, and designing for a growing customer base. Collaboration is central. Expect to work closely with other engineers who move quickly and make considered technical decisions. Experience with systems that manage significant consumer or commercial traffic, such as cloud migrations, microservices, distributed data pipelines, or event-driven architectures, is especially relevant. What you will do Design and improve distributed backend systems that process high-throughput, real-time data with complex dependencies Own performance profiling and debugging for Go and Rust services, identifying and resolving bottlenecks Contribute to data federation architecture, including S3 integration, graduation pipelines, and downstream data services Develop and refine gRPC service interfaces and REST/JSON APIs for both internal and external users Work with SQL and NoSQL databases, focusing on schema design, query optimization, and durability strategies Collaborate on infrastructure decisions with platform engineers and technical leads Monitor and troubleshoot production systems, participate in on-call rotations, root cause analysis, and incident response Tech stack The backend is primarily written in Go, with Python supporting tooling and data workflows. The platform uses gRPC, REST/JSON, GraphQL, PostgreSQL, NoSQL databases, and Kubernetes for orchestration. Infrastructure is managed with Terraform. Location This Backend Engineer position is based in Seattle, WA.

At Commure, we are committed to revolutionizing the healthcare landscape. Our ambitious goal is to redefine the healthcare experience, establishing new benchmarks for care delivery and patient interaction across the industry. Our innovative suite of AI-driven solutions encompasses ambient AI clinical documentation, provider copilots, autonomous coding, revenue cycle management, and more, all aimed at empowering providers and administrators to prioritize what truly matters: patient care.With healthcare expenditures exceeding $4.5 trillion and over $500 billion allocated to administrative costs annually, Commure is at the forefront of this transformation. We serve more than 500,000 clinicians across hundreds of care sites nationwide, facilitating over $10 billion in transactions and supporting more than 100 million patient interactions. With upcoming product launches and plans to expand into new care segments, we aim to transition from a pioneering innovator to the industry standard in the coming years.Commure has recently secured a position on Fortune’s Future 50 list for 2025, backed by top-tier investors including General Catalyst, Sequoia, Y Combinator, Lux, Human Capital, 8VC, Greenoaks Capital, Elad Gil, and more. With over 300% year-over-year growth over the past two years, we are just getting started. The moment for AI-powered transformation in healthcare has arrived, and we are creating the technology to drive it. Join us in shaping the future of healthcare.About the RoleAs a key member of the Integration Team at Commure, you will play a vital role in supporting our core products—Revenue Cycle Management (RCM) and Scribe—by ensuring seamless data integration between our platform and over 40 Electronic Medical Records (EMRs). Your responsibilities will include extracting critical Encounter and Appointment data from multiple EMRs and, when necessary, inputting data back into these systems. This role is pivotal in ensuring the interoperability and smooth exchange of healthcare data via HL7, enabling providers to offer more efficient and accurate care while optimizing administrative workflows.This position is Hybrid, requiring presence at our Mountain View office three days a week.

Integrate develops program management software for complex hardware projects, serving organizations in deep tech sectors like aerospace, robotics, and autonomous vehicles. The platform connects vendors, customers, and partners to streamline collaboration across company boundaries. By reducing manual work and communication barriers, Integrate supports teams working on demanding technical challenges. The company addresses the unique needs of hardware development, where traditional software often falls short. Integrate's solutions focus on improving coordination and communication for both internal teams and external stakeholders, helping organizations innovate more quickly and reliably. Role overview The Senior Backend Engineer will focus on building and scaling the infrastructure layer of Integrate’s platform. This position centers on new development, not maintenance. The work involves tackling distributed systems challenges, large-scale data federation, and architectural design to support an expanding customer base. Engineers at Integrate collaborate closely, make decisions quickly, and value technical rigor. Experience with large-scale systems, such as cloud migrations, distributed data pipelines, microservices, or event-driven architectures, is especially relevant for this role. Key responsibilities Design and scale distributed backend systems that process high-throughput, real-time data with complex dependencies. Profile and debug Go and Rust services to resolve performance issues. Contribute to data federation architecture, including S3 integration, graduation pipelines, and downstream data services. Develop and refine gRPC service interfaces and REST/JSON APIs for both internal and external use. Work with SQL and NoSQL databases, focusing on schema design, query optimization, and ensuring data durability. Collaborate with platform engineers and technical leads on infrastructure decisions. Instrument, monitor, and debug production systems, including participation in on-call rotations, root cause analysis, and incident management. Tech stack Main development uses Go, with Python for tooling and data workflows. The stack includes gRPC, REST/JSON, GraphQL, PostgreSQL, NoSQL databases, and Kubernetes-managed infrastructure. Infrastructure as code is managed with Terraform. Location This position is based in Seattle, WA.

About PlaylabPlaylab is a pioneering tech non-profit committed to empowering educators and students to become informed consumers and creators of AI technology.Our mission is rooted in the belief that an open-source, community-driven framework is essential for unlocking the transformative potential of AI in educational settings. We provide communities with advanced AI tools and hands-on professional development, enabling educators and students to design customized AI applications tailored to their specific needs. With over 60,000 educators already publishing apps through Playlab, our impact continues to expand daily.At Playlab, we view AI as a revolutionary design material, one that should be shaped collectively to bring diverse visions of learning to fruition. If you share our passion for crafting innovative and equitable futures for students and teachers, we invite you to join our team.The RoleWe are on the lookout for a Fullstack Engineer to enhance our dynamic engineering team. In this role, you will be responsible for delivering features across the entire technology stack, focusing on AI-integrated interfaces, development tools, and collaborative solutions that facilitate effective AI utilization for educators and students.Examples of ResponsibilitiesDevelop features for AI-integrated interfaces, including components that transition seamlessly from chat to writing editor to interactive simulations.Implement functionalities in our application builder, allowing educators to create AI applications using natural language.Work on real-time collaboration tools that enable multiple educators to co-create applications concurrently.Design voice interfaces and mobile-first experiences adaptable to various classroom environments.Develop discovery and sharing features that assist educators in finding and remixing applications.Create integrations with Google Workspace, Canvas LMS, and other educational platforms.Build evaluation dashboards and activity summaries that empower educators with insights into application performance.And more…ExpectationsDeliver features across the complete stack, from React/Remix frontend to Node.js backend.Adopt an agile approach to learning, rapidly deploying experiments and iterating based on user feedback.Exhibit curiosity by learning and applying the latest web technologies and best practices.Collaborate effectively with designers, fellow engineers, and product teams to develop necessary features.Write comprehensive tests and documentation for your code.

At Air, we are revolutionizing the way creative teams operate with our innovative Creative Ops System. Our platform automates monotonous tasks that creatives and marketers encounter daily when managing content. By leveraging cutting-edge technologies such as image recognition, automated versioning, and streamlined approval workflows, we empower our users to unlock their creativity. Since our launch in March 2021, we have successfully secured over $70 million in funding from renowned venture capital firms, including Avenir, Tiger Global, Headline Ventures, Lerer Hippeau, WndrCo, and Slack Ventures.The RoleWe are seeking a talented and experienced Senior Fullstack Engineer to join our dynamic team. In this role, you will be responsible for the complete development lifecycle of product features on Air’s web platform. You will work collaboratively with Product, Design, and engineering teams to turn complex challenges into clear requirements and technical solutions. If you excel in fast-paced environments, thrive on transforming ambiguity into clarity, and are adept at navigating both frontend and backend codebases, we encourage you to apply.Core ResponsibilitiesDeliver Product Features End to EndPartner with Product and Design teams to deconstruct ambiguous challenges into actionable requirements and informed technical decisions.Take ownership of the entire development cycle, from ideation to deployment, utilizing our React/Node stack.Contribute to Engineering ExcellenceEngage in on-call rotations, tech-spec reviews, and code reviews to uphold engineering standards.Continuously enhance engineering practices, proposing and implementing improvements across both frontend and backend codebases.Assist in team growth by mentoring and interviewing fellow engineers.Operate with Speed and ClarityDrive projects forward in a high-velocity, resource-limited environment with loosely defined requirements.Proactively create clarity, solicit stakeholder support, and occasionally assume product responsibilities to ensure initiatives progress smoothly.Build Across the StackFluently work with both frontend and backend technologies, including React, TypeScript, Next.js, Node.js, Vercel, and modern development tools.Design APIs, architect data models, and implement scalable UI components.Provide Technical LeadershipDeliver insightful feedback on technical designs and code reviews.Champion high-quality technical decisions and best practices, contributing to the establishment of Air’s engineering culture.

Join our dynamic team as a Senior Fullstack Engineer specializing in Java. In this fully remote role, you will leverage your expertise to design and implement robust applications, ensuring high performance and responsiveness. Collaborate effectively with cross-functional teams, utilizing your strong problem-solving skills to tackle complex challenges and deliver innovative solutions.

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.

Join Zencastr in our mission to amplify voices across the globe. If you're eager to innovate and revolutionize the podcasting landscape, we invite you to be part of our dynamic, fully remote team of forward-thinkers passionate about making a difference one voice at a time.What You’ll Bring:Proficient in Node.js with a solid grasp of JavaScript fundamentals.Strong understanding of computer science principles, including memory management and algorithmic complexity.Aspirations to innovate, whether it’s through entrepreneurial ventures or solving complex tech challenges.Enjoyment in coding with JavaScript or TypeScript.A keen eye for performance optimization in applications.Comfortable navigating both browser environments and Node.js runtimes.A collaborative spirit and strong communication skills.What Makes You Stand Out:A passion for developing high-performance applications.Notable contributions to open source projects.Desire to thrive in a fast-growing startup environment with its inherent challenges.Empathy for end users, driving your advocacy for their needs during the development process.Commitment to maintaining high code quality and best practices in engineering.Why Zencastr?Collaborate with world-class engineers and designers in a fully remote setup.Thrive in an agile, rapidly evolving work environment.Receive equity reflective of your contributions in a profitable company.Enjoy comprehensive health insurance.Face unique challenges supported by talented colleagues.

Join nagarro as a Staff Engineer specializing in Java Fullstack development. As part of our innovative engineering team, you will play a pivotal role in designing and implementing robust solutions that enhance our client offerings. This remote position provides an incredible opportunity for growth and collaboration across global teams.

At Snackpass, our dynamic team of software engineers is committed to creating engaging, user-friendly, and socially interactive experiences for our customers. We are also dedicated to developing solutions that empower our restaurant partners to expand their clientele and enhance operational efficiency.In this role, you will engage directly with customers to identify and resolve issues in real-time while crafting robust internal tools that facilitate seamless launch operations. You'll play a pivotal role in developing a scalable payment platform that efficiently manages marketplace transactions between users and restaurants, including automated payouts, promotional features, customer analytics, and recommendation systems.Our vision is to simplify the management of brick-and-mortar restaurants to the ease of running an online Shopify store. Many local businesses still rely on outdated systems; at Snackpass, we are pioneering the operating system for local commerce.

Become a Catalyst for Change in Digital Finance with TetherAt Tether, we’re not just developing products; we’re igniting a global financial transformation. Our innovative solutions empower various businesses—from exchanges and wallets to payment processors and ATMs—to effortlessly integrate reserve-backed tokens across diverse blockchains. By leveraging the potential of blockchain technology, Tether facilitates instant, secure, and global storage, sending, and receiving of digital tokens, all at a significantly reduced cost. Transparency is the cornerstone of our operations, ensuring trust in every transaction.Innovate with TetherTether Finance: We offer a revolutionary product suite that features the world’s most reliable stablecoin, USDT, trusted by hundreds of millions globally, alongside groundbreaking digital asset tokenization services.Tether Power: Our energy solutions promote sustainable growth by optimizing surplus power for Bitcoin mining through eco-friendly practices in state-of-the-art, geographically diverse facilities.Tether Data: We drive advancements in AI and peer-to-peer technology, lowering infrastructure costs and enhancing global communications with our state-of-the-art solution, KEET, our flagship app that revolutionizes secure and private data sharing.Tether Education: We democratize access to high-quality digital learning, empowering individuals to flourish in the digital and gig economies, thus promoting global growth and opportunities.Tether Evolution: We stand at the crossroads of technology and human potential, pushing the limits of what can be achieved, shaping a future where innovation and human abilities converge in extraordinary ways.Why Join Us?Our team is a global talent powerhouse, collaborating remotely from every corner of the globe. If you’re eager to make a significant impact in the fintech arena, this is your chance to work alongside some of the brightest minds, pushing boundaries and setting new benchmarks. We’ve experienced rapid growth, maintained a lean structure, and established a reputation for excellence.

Join our innovative team at Oura as a Senior Fullstack Engineer specializing in our Commerce Mission. In this exciting role, you will be responsible for developing robust, scalable web applications that enhance our commerce platform. You will work closely with cross-functional teams to design, implement, and optimize features that directly impact our users' experiences. If you are a passionate engineer looking to make a meaningful contribution to a dynamic and fast-paced environment, we want to hear from you!

At Cerby, we envision a more secure and efficient way for enterprises and consumers to utilize cloud applications while sharing access safely. Our mission centers around automating processes to eliminate the need for users to manage passwords and navigate multifactor authentication (MFA).As a key member of the CHAOS Integration team, you will oversee, analyze, and maintain Cerby's Robotic Process Automation (RPA) systems and programmed workflows. Your Responsibilities:Develop, support, and sustain dependable and effective Cerby RPA flows.Monitor, identify, and resolve incidents related to automation workflows.Engage in proactive communication with the Technical Support team to troubleshoot and rectify issues.Collaborate with Cerby’s engineering team to prioritize enhancements to the RPA system and address customer-related incidents.Assess user activity and feedback to inform the implementation of new automations and enhancements.Create, refine, and maintain knowledge base articles for both internal and public documentation.

Join Tether and Drive the Future of Digital FinanceAt Tether, we are not just creating products; we are at the forefront of a global financial transformation. Our advanced solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to effortlessly integrate reserve-backed tokens across various blockchains. By leveraging blockchain technology, Tether facilitates instant, secure, and global storage, sending, and receiving of digital tokens, all at significantly lower costs. Transparency is the foundation of our operations, ensuring trust in every transaction.Innovate with TetherTether Finance: Our innovative product suite encompasses the world's most reliable stablecoin, USDT, trusted by hundreds of millions globally, as well as pioneering digital asset tokenization services.But that's just the beginning:Tether Power: Our energy solutions drive sustainable growth by optimizing surplus power for Bitcoin mining through eco-friendly practices in state-of-the-art, geo-diverse facilities.Tether Data: We are fueling breakthroughs in AI and peer-to-peer technology, significantly reducing infrastructure costs and enhancing global communications with cutting-edge solutions such as KEET, our flagship application that redefines secure and private data sharing.Tether Education: We are democratizing access to top-tier digital learning, empowering individuals to thrive in the digital and gig economies, thereby driving global growth and opportunity.Tether Evolution: At the convergence of technology and human potential, we are pushing the limits of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.Why Join Us?Our team is a global talent powerhouse, working remotely from all corners of the globe. If you are passionate about making a significant impact in the fintech industry, this is your chance to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We have experienced rapid growth, maintained a lean structure, and secured our position as a leader in the digital finance space.