Associate Staff Engineer - .NET Fullstack Development

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.

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.

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.

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.

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.

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.

Join our innovative team as a Staff Engineer specializing in JavaScript Fullstack Development. In this fully remote position, you will leverage your expertise to design and implement scalable applications while collaborating with cross-functional teams. Your passion for technology will drive improvements and enhancements in our existing systems.

Join our dynamic team as a Staff Engineer specializing in .NET Fullstack Development. In this fully remote role, you will collaborate with cross-functional teams to design, develop, and maintain innovative software solutions that meet our clients' needs.Your expertise will help drive the success of our projects, ensuring high-quality code and seamless integration of front-end and back-end functionalities.

Join Nagarro as a Staff Engineer working on innovative fullstack JavaScript applications. In this fully remote role, you will leverage your expertise in JavaScript frameworks to build scalable and high-performance solutions. Collaborate with cross-functional teams to deliver exceptional software that meets business requirements and enhances user experiences.

We are seeking a passionate Staff Engineer - Fullstack JavaScript Developer to join our dynamic team at Nagarro. As a key member of our engineering department, you will work on innovative projects in a fully remote environment. You will leverage your expertise in JavaScript and fullstack development to design, develop, and maintain scalable applications that meet our clients' needs.

About Roblox Roblox brings together millions of users daily to explore, create, play, and connect through immersive 3D experiences. Our platform gives developers the tools to turn imagination into reality, supporting a global community that shapes the way people interact on any device. We aim to unite a billion people with positivity and respect, and we look for talented individuals who want to help build this future. Working at Roblox means tackling large-scale technical challenges and contributing to safer, more respectful online experiences. Team Overview: Developer Monetization The Developer Monetization team drives over 70% of Roblox’s revenue. This group builds the systems and products that help millions of creators earn from their work, while shaping how users discover and purchase virtual goods in the world’s largest virtual economy. Current projects include auto-generated storefronts, autonomous pricing, and personalized shopping, all designed to empower creators at no cost to them. The team’s frontend work brings these features to life for our global audience. Role Overview: Senior Software Engineer (Fullstack) This senior engineering role centers on building and owning critical user-facing products. The position involves leading high-impact projects and working closely with product managers, designers, data scientists, and machine learning specialists. Strong frontend skills paired with an interest in business impact are key to success here. The role offers significant ownership and room for growth.

Rivian and Volkswagen Group Technologies brings together two major automotive companies to advance electric vehicle software. The partnership focuses on operating systems, zonal controllers, cloud platforms, and seamless connectivity, aiming to raise the bar for software-defined vehicles. The team draws on combined strengths in connectivity, artificial intelligence, and security to create smarter, more sustainable mobility solutions. Role overview The Senior Fullstack Software Engineer for Developer Productivity joins a team dedicated to building tools and features that streamline the developer experience. The group’s mission centers on enabling engineers to work efficiently and focus on high-impact tasks, using AI-powered solutions to remove friction from daily workflows. This role involves designing and implementing improvements across the entire software development lifecycle. The position supports both Vehicle Software (from code to car) and Cloud teams, ensuring that development processes are smooth and reliable. Regular collaboration with DevOps and Infrastructure teams is key, helping high-velocity teams deliver quality software quickly. Location Palo Alto, California

Join our innovative team at Ayr Global IT Solutions Inc. as a Fullstack Java Developer. In this dynamic role, you will be responsible for developing robust applications that enhance our technological framework. Leverage your expertise in both front-end and back-end technologies to deliver high-quality software solutions that meet the evolving needs of our clients.

Wehrtyou is seeking a talented Fullstack Developer to join our innovative teams in Chicago, London, New York, or Seattle. In this role, you will contribute to either our platform team, focusing on infrastructure and tools that bolster our research and trading operations, or our acceleration team, aligning closely with specific algorithmic research and trading groups. As a Fullstack Developer, you will collaborate with internal clients to understand their needs deeply and create robust backend processes to ingest and transform vast data sets, as well as develop intuitive user interfaces for data visualization and action. This position requires a strong passion for both backend and frontend development, with a focus on delivering high-quality solutions.

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!

Join Us at LangChain:At LangChain, we are committed to revolutionizing the world of intelligent agents. Our mission is to empower developers to transition their innovative prototypes into production-ready AI agents that organizations can depend on. Starting as a suite of widely used open-source tools, we have expanded to provide a comprehensive platform for creating, assessing, deploying, and managing agents at scale.Our cutting-edge solutions, including LangChain, LangGraph, LangSmith, and Agent Builder, are trusted by teams delivering real AI products, from startups to major corporations. With millions of developers utilizing LangChain, we proudly support organizations like Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.Having raised $125 million in Series B funding from esteemed investors such as IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for accelerated growth and innovation, allowing every team member to significantly impact our projects and collaborative processes. At LangChain, your input will help shape the real-world impact of this transformative technology.About the Role:We are seeking a passionate Education Engineer to facilitate the learning journey for developers and agent builders using LangChain, LangGraph, and LangSmith. In this dynamic role, you will transform cutting-edge applied AI research into engaging educational experiences, ranging from hands-on workshops and meetups to comprehensive online courses and recorded video tutorials.You will collaborate with our Applied AI and software engineering teams to design high-quality learning materials that elucidate essential concepts in Agentic AI, provide real-world applications, and empower external developers to effectively utilize our tools. This hybrid position marries technical expertise in software development with a commitment to education, community engagement, and effective communication.Your responsibilities will include:Collaborating with LangChain engineers to create educational content that introduces generative AI and agent-building principles utilizing LangChain, LangGraph, and LangSmith.Designing curriculums and learning pathways for our vibrant community of over 1 million developers and agent builders.Producing and delivering content in various formats:Online courses for LangChain Academy, video tutorials, and webinarsLive presentations at workshops, hackathons, meetups, and conferencesMaintaining and updating educational resources to reflect the latest advancements in AI technologies.

Join our dynamic team as a FullStack (.NET/React) Developer, where you will play a crucial role in shaping the future of our innovative hiring software. As part of Lever, recognized as a top workplace in San Francisco and the United States, you will contribute to a mission that transforms how companies recruit and hire top talent.At Lever, we are proud of our people-first culture and are committed to fostering an environment where our team can thrive. We are looking for passionate developers eager to leverage their skills in a collaborative setting to create solutions that empower organizations like Netflix, Shopify, and Spotify.This position is intended solely for testing purposes within Lever's environment; please refrain from applying.