.NET/C# Developer

Join our dynamic team as a .NET/C# Developer, where you'll have the opportunity to contribute to innovative projects that shape the future of technology. We are looking for an enthusiastic developer who is passionate about coding and thrives in a collaborative environment. You will work closely with cross-functional teams to design, develop, and maintain hig…

About CLEAR CLEAR builds secure identity solutions used by over 38 million members worldwide. The company’s platform supports seamless experiences at airports, stadiums, and other locations, helping people move more easily and securely through daily life. CLEAR partners with organizations across the globe to make identification faster and safer, both in person and online. Role Overview: Senior Fullstack Software Engineer This senior engineering role focuses on designing, building, testing, and deploying applications that strengthen CLEAR’s digital and biometric identity platform. The work goes beyond ID checks, supporting new features that help members benefit from a connected digital identity. Privacy and security remain central to every project. What You’ll Do Design, implement, and test new applications and features for CLEAR’s identity platform Deploy solutions that integrate multiple member attributes and qualifications Collaborate with teams to ensure privacy and security are built into every product Contribute to the evolution of CLEAR’s technology, supporting both physical and digital experiences Location Austin, Texas, United States

Location: Austin, TXEmployment Type: Full-time, In-OfficeDepartment: EngineeringSalary: Competitive total compensation around $300,000+, including a base salary exceeding $210,000 annually plus equity.Join us as a Senior Software Engineering Manager and play a pivotal role in leading and enhancing our engineering organization.As a seasoned individual contributor, you have a history of innovating and tackling complex technical challenges. Your goal now is to amplify your impact by guiding your team to achieve the same high standards of technical excellence that you embody. You will report directly to our CTO and collaborate closely with existing engineering leads to shape our future.This is a full-time, on-site position based in Austin, TX.Our engineering team is primarily composed of senior professionals, most with over 10 years of experience at rapidly growing companies in Austin. As a Senior Engineering Manager, you will:Collaborate with product teams to design and implement self-serve customer experiences, setting the technical vision and steering your team to achieve measurable results.Assess innovative vendors for detailed property analytics, working with data science to pinpoint early indicators of property conditions and risks.Mentor and guide seasoned engineers, helping them recognize their strengths while crafting their growth paths for continued impact.

At ICON, we are on the lookout for an innovative and analytical Senior Fullstack Software Engineer II who thrives on tackling intricate challenges and values the iterative enhancement of applications. In this pivotal role, you will be instrumental in developing advanced visualization and planning tools aimed at optimizing the residential construction process. You will report directly to the Vice President of Software Products and work from our dynamic Austin, TX campus.

About Ditto Ditto builds technology that keeps data moving reliably, even when networks are unreliable or unavailable. Developers use Ditto’s peer-to-peer synchronization engine to power real-time applications for places where connectivity is a challenge: stadiums, aircraft, and remote military bases. Trusted by organizations such as Chick-fil-A, Delta Airlines, and the U.S. military, Ditto supports mission-critical operations across aviation, retail, travel, hospitality, and defense. The company has raised over $145 million and continues to grow globally, with a strong commitment to diversity and inclusion. Role Overview: Senior Software Engineer – Public Sector This Senior Software Engineer (Forward Deployed Engineer) position focuses on supporting Ditto’s public sector users. The role centers on collaborating directly with key users, integrating Ditto’s technology into operational environments, and ensuring rapid, effective deployments. The engineer acts as a technical leader in the field, solving complex problems as they arise and serving as a bridge between users and Ditto’s core engineering team. Adaptability and comfort with ambiguity are essential, as is the ability to resolve issues quickly in high-stakes situations. What You Will Do ATAK Plugin Development: Lead the design, creation, and field deployment of custom ATAK (Android Team Awareness Kit) plugins. These plugins embed Ditto’s data synchronization into the primary situational awareness tools used by warfighters. Android-Native Integrations: Build and optimize Android applications and services for tactical end-user devices. Ensure these solutions work reliably in disconnected, intermittent, and low-bandwidth (DIL) conditions. Integration Architecture: Design the full integration between Ditto’s platform and the broader TAK ecosystem. Define data contracts, API boundaries, and synchronization patterns to enable smooth interoperability with third-party systems and services. Real-Time Issue Resolution: Serve as the first line of technical support, diagnosing and fixing application, integration, and data-flow issues as they happen in the field. Location Remote, with preference for candidates based in Atlanta, Austin, San Francisco, or Seattle.

Jump Trading Group brings together experts in mathematics, physics, and computer science to push the boundaries of research in finance and technology. The company values collaboration, creativity, and intellectual honesty, encouraging team members to challenge themselves and each other while working toward shared goals. Research at Jump not only drives strong returns but also leads to technologies that support startups and research partnerships across industries. About the Core Development Team The Core Development team designs, builds, and maintains the advanced trading platforms that power Jump’s business. This group spans multiple locations and combines software and hardware engineering, data science, and research. Projects range from improving the core trading engine to developing custom hardware, all with the goal of supporting trading operations and strategic objectives. What You Will Do Design, build, and test systems and tools that keep Jump’s trading business moving forward Work closely with traders, quantitative researchers, and fellow technologists to solve complex technical problems Tackle challenges involving CPU architecture, operating systems, networking, and hardware integration Who We’re Looking For Strong problem solvers with a passion for technology and curiosity about how things work Comfortable working in a high-energy setting and collaborating with a diverse team Interest in both software and hardware engineering Locations Roles are available in Chicago, New York, and Austin.

Join Qualia, a leading innovator in B2B real estate technology, where we simplify and enhance the home buying and selling journey. Our platform connects homebuyers, sellers, lenders, title and escrow agents, and real estate professionals, creating a transparent digital closing experience. Millions of consumers across the nation trust Qualia to facilitate their home transactions each year.WHAT YOU'LL WORK ONWe are seeking visionary engineers eager to contribute to our growing engineering team. Our engineers are innovative thinkers who thrive in collaborative settings while also excelling in independent projects. With weekly software releases, you will collaborate closely with design and customer-facing teams to craft exceptional experiences that delight our users. Expect a diverse range of engaging projects.As a Senior Software Engineer, you bring extensive industry experience and a solid track record of successful project management. You are adept at taking ownership of complex projects, making critical architectural decisions, and conducting thorough research to substantiate your choices. Your past experiences have equipped you to handle challenges effectively and mentor junior developers. You appreciate the uniqueness of each team and adapt accordingly.RESPONSIBILITIESFocus on developing both frontend and backend web technologies, enhancing our core applications, and integrating diverse software systems, including payment processing features.Adapt responsibilities flexibly based on the company's needs, utilizing your skills and interests.YOUR BACKGROUND LIKELY MAKES YOU A MATCHStrong full-stack web developer with over 5 years of relevant experience.Demonstrated product sense, meticulous attention to detail, and a passion for impactful software development.Experience in making significant architectural decisions for large-scale projects.Mentorship experience with junior developers.Exposure to various engineering team environments, both small and large.THE TECH STACK YOU'LL USEJavaScript, React, Node.js, and more.

Telnyx develops technology to enable global connectivity. The company operates a private, multi-cloud IP network and delivers edge connectivity through APIs. With a focus on automating manual processes and addressing real-world challenges, Telnyx continues to invest in technology and team growth, backed by strong financial performance. Role overview The Senior Java Software Engineer joins the backend team managing a distributed, highly available data pipeline. This platform powers essential Telnyx products such as Voice, Messaging, and Wireless. The system runs on the Telnyx private backbone and is designed to be cloud-agnostic, processing thousands of messages per second. The engineering team oversees more than 30 microservices, all containerized with Docker and deployed across multiple regions in the U.S. and Europe. Deep expertise in Java Core is especially valued for this position. Locations Sao Paulo, Brazil Austin, Texas Argentina Dublin, Ireland What you will do Design, build, and maintain backend systems using Java Develop and support distributed, cloud-agnostic data pipelines Contribute to a microservices architecture with Docker Help scale systems that handle large volumes of messages Requirements Senior-level experience with Java Core Strong understanding of distributed systems Background in microservices and Docker Comfort working with a geographically distributed team Learn more Telnyx Private Network Edge Connectivity

About Speechify Speechify helps people listen to information in ways that fit their lives. From online articles and cloud documents to books on mobile devices, Speechify makes it easy to absorb content audibly, at any pace. Tools built into the platform support learning and accessibility. Speechify leads its category and continues to grow quickly, much like streaming services changed audio entertainment. Role Overview: Senior Software Engineer, Core Experiences The Core Experiences Team builds and maintains the core services and SDKs that power Speechify’s products across multiple platforms. This team sits at the intersection of product and infrastructure, shaping the APIs and systems that make the user experience possible. The role suits someone who enjoys both high-level strategy and hands-on development, and who cares about building clear, reliable systems that improve how people use Speechify. What You Will Do Collaborate with Product Teams to define project scopes, find ways to reduce scope for faster feedback, weigh integration and UX trade-offs, and deliver solutions through a cross-platform SDK. Improve existing features to boost performance, including loading speed and intelligent parsing, by designing better abstractions and refining algorithms. Develop cloud functions, lightweight backend services, and tasks using Kotlin. What We Look For Ability to think in systems and design for simplicity and efficiency. Quick idea generation and strong prioritization skills to ship improvements rapidly. Focus and productivity, with good judgment about when to collaborate and when to work independently. Strong collaboration skills, able to work well with design, marketing, and product management teams. Location Austin, TX, USA

About Neuralink Neuralink develops advanced devices that enable direct communication between the human brain and computers. The company’s mission focuses on restoring movement for people with paralysis, providing vision to those who are blind, and redefining how humans interact with technology. Team Overview The electrical engineering team builds the core systems behind Neuralink’s brain-computer interfaces. Their work covers neural signal acquisition, stimulation, wireless power, embedded processing, and system integration. Devices must remain compact for implantation and operate efficiently within strict thermal and power limits. The team addresses challenges that blend analog, RF, digital, and biological systems, relying on careful measurement, iterative design, and solid engineering judgment. Internship Overview Neuralink is looking for an Electrical Engineering Intern to support the design and testing of implant electronics boards and integration with custom chips. This internship provides hands-on experience with innovative projects and the chance to work closely with experienced engineers. What You Will Do Apply electrical engineering fundamentals to design systems that are high-performance, reliable, manufacturable, and meet tight size requirements. Gain exposure to all phases of system and board design: system definition, component selection, schematic capture, layout, bring-up, and verification. Participate in research and development to evaluate new implant and charger technologies. Collaborate with other teams to support effective system integration. Help improve system latency, battery life, reliability, and safety through design enhancements. Learn to design and implement hardware-in-the-loop testing and quality control systems for manufacturing. Locations Austin, Texas, United States; Fremont, California, United States

About Ditto Ditto builds technology for data mobility at the edge, helping developers create real-time applications that keep working even when networks are unreliable or disconnected. Our peer-to-peer sync engine keeps devices in sync and data accurate, whether in a stadium, on an airplane, or at a remote military site. With over $145 million in funding, Ditto is trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military. Our technology supports critical operations in aviation, retail, travel, hospitality, and defense. As a growing startup with a global team, Ditto values diversity and inclusion to solve complex connectivity problems worldwide. Role Overview: Senior Software Engineer, Forward Deployed Engineering This role is remote and open to candidates in Atlanta, Austin, San Francisco, or Seattle. Forward Deployed Engineers (FDEs) at Ditto work directly with major customers to implement our technology in the field. FDEs help users solve complex, real-world problems by integrating Ditto’s software into their operational environments. This hands-on work accelerates how quickly customers see value from our products. FDEs also act as a bridge between users and Ditto’s product engineering team, sharing technical feedback and feature requests based on firsthand experience. The role suits engineers who enjoy tackling tough problems, adapting quickly, and staying calm under pressure. What You Will Do Integrate with Military Avionics Data Buses: Lead on-site integration of Ditto’s solutions with airborne and ground platforms by building data ingestion and translation layers for MIL-STD-1553 and ARINC 429 avionics buses. Implement Tactical Datalink Interfaces: Design and deploy software interfaces to interpret, convert, and manage messages from tactical datalinks, including Link 16 and Situational Awareness Data Link (SADL), supporting reliable machine-to-machine communication in demanding settings. Enable Cursor-on-Target (CoT) Data Flows: Build and maintain CoT event pipelines that move platform sensor data into the C5ISR ecosystem, ensuring timely and relevant data delivery. Real-Time Problem Solving: Serve as the main technical support in the field, quickly diagnosing and resolving software, protocol, and integration issues as they arise.

Join us at Skyways, where we are pioneering the future of air travel with cutting-edge autonomous unmanned aerial vehicles. Supported by substantial funding, including a $37M STRATFI contract from the U.S. Air Force, we operate at the dynamic intersection of commercial and defense sectors. Our aircraft are actively in production and executing real missions for our valued clients.Situated in Austin, TX, and backed by renowned investors like Y Combinator, Skyways combines rapid prototyping with real-world applications. As we expand our team, we seek individuals passionate about creating tangible hardware, deploying effective systems, and shaping a new aviation paradigm.The OpportunityWe are in search of a Senior Software Engineer to take charge of SkyNav, our mission planning and ground control software. This position is primarily frontend-oriented and bridges the gap between user experience, real-time data, and autonomous operations. You will develop the main interface that our operators, clients, and internal teams rely on to strategize missions, visualize aircraft performance, and make critical decisions in real-time.If you are skilled at transforming complex systems into intuitive, efficient, and dependable user experiences—especially those that directly influence real-world aircraft—this position is an ideal fit for you.

Role overview rdccareers seeks a Senior Staff Software Engineer with a focus on backend development in Austin, Texas. This role centers on designing, building, and maintaining backend systems that power the company’s core applications. The position calls for deep technical expertise and a collaborative mindset. What you will do Design, develop, and maintain backend infrastructure for major products Work with engineering, product, and other teams to deliver dependable software Contribute to key architectural decisions that influence system direction Mentor junior engineers and help shape technical strategy Promote backend best practices throughout the team Find ways to improve scalability, performance, and overall system quality Requirements Significant experience with backend technologies and designing complex systems Proven ability to collaborate with cross-functional teams Experience mentoring and guiding engineers at different levels Dedication to process improvement and delivering high-quality software

Collaboration Fuels Innovation. Join Roku in Revolutionizing Television StreamingRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico. With aspirations to connect every television worldwide, Roku has transformed the way audiences engage with content. We empower consumers to discover their favorite shows, support content creators in building significant audiences, and provide advertisers with unique tools to reach viewers effectively.From day one at Roku, your contributions will be recognized and valued. As a rapidly growing public company, we invite you to delight millions of TV streamers while gaining invaluable experience across various technical disciplines. About Our TeamThe Advanced Development team transcends product boundaries, pioneering new technologies. We operate outside traditional schedules to develop foundational software that will shape the future of all Roku devices. Our focus includes optimizing core libraries and enhancing APIs for third-party applications, ensuring our software delivers exceptional user experiences across diverse platforms. About This RoleAs a Senior Software Engineer, you will spearhead modular enhancements to the RokuOS architecture, creating innovative solutions for channel partners to harness a modernized user experience. You will develop new APIs integral to Roku's system software, leveraging your expertise to ensure robust functionality without relying on privileged workarounds.We seek a visionary, someone driven by curiosity and a penchant for action, who embraces the integration of AI in their work. Key ResponsibilitiesDesign and enhance components of the RokuOS system software that provide essential APIs for both internal and external SDKs.Collaborate with cross-functional teams to implement new features and functionality, ensuring alignment with business goals and customer needs.Contribute to code reviews and ensure best practices are followed to maintain high-quality software standards.Stay updated on industry trends and emerging technologies to continually innovate and improve the Roku platform.

Join CaptivateIQ as a Senior Software Engineer on our AI Platform team, where you will play a pivotal role in developing innovative solutions that leverage artificial intelligence to enhance our products. You will collaborate with cross-functional teams to design, implement, and maintain scalable software systems that drive business intelligence and operational efficiency.

Role overview Visa Inc. is seeking a Senior Software Engineer to join the Technology and Operations department in Austin. The position focuses on designing, developing, and implementing software aimed at enhancing digital payment experiences. What you will do Work closely with colleagues from different teams to create software solutions Take part in projects that further Visa’s goal of connecting people through digital payments Prioritize improvements to user experiences within payment technology Location This role is based in Austin.

At Tenstorrent, we are at the forefront of AI technology, setting new standards for performance, usability, and cost-effectiveness. As AI transforms the computing landscape, our solutions evolve to integrate innovations in software models, compilers, platforms, networking, and semiconductors. Our talented team has successfully developed a high-performance RISC-V CPU from the ground up, driven by a passion for AI and a commitment to creating the most advanced AI platform. We embrace collaboration, curiosity, and a relentless pursuit of solving complex challenges. We are expanding our team and invite contributors of all experience levels to join us.As a Software Engineer on the Metal Runtime team, you will engage with the foundational software that drives our AI accelerators. Your responsibilities will include designing rapid and efficient runtime systems that operate closely with the hardware, as well as defining the host and device APIs that enable these functionalities across the software stack. We view APIs as integral to system design; they encapsulate hardware semantics, performance trade-offs, and concurrency models, outlasting any single implementation.If you are passionate about optimizing performance, working near the hardware level, and crafting abstractions that simplify complex systems while maintaining control, this role is tailored for you.This is a hybrid position, with opportunities in Santa Clara, CA; Austin, TX; and Toronto, ON.We welcome candidates with diverse backgrounds and varying levels of experience. During the interview process, candidates will be evaluated for the appropriate level, and compensation will reflect that level, which may differ from the one specified in this posting.

At American Housing Corporation, we are dedicated to addressing America's housing crisis through innovative production methods. Our mission is to tackle the affordability challenge head-on by employing a fully integrated development strategy: acquiring land, manufacturing, installing, and selling homes directly to our customers. This approach enables us to operate at the scale necessary to make a significant impact on the housing crisis.We believe that the American Dream is built, not inherited. To that end, we are seeking the most talented engineers, designers, and builders to help us solve one of the most pressing issues in America.As a Senior Software Engineer on the Alamo team, you will be instrumental in developing our internal software platform, Alamo, which underpins our entire organization—from underwriting to ERP, manufacturing, and on-site installations.Key Responsibilities:Design, build, and maintain the core features of Alamo, our internal software platform that supports operations throughout the company.Create scalable web applications and APIs using Typescript, NextJS, and modern full-stack frameworks.Collaborate across engineering, product, operations, and business teams to deliver impactful solutions.Architect systems and implement complex workflows across underwriting, ERP, manufacturing, and installation modules.Utilize AI tools like Claude Code to enhance development speed and prototype new functionalities.Conduct code reviews, mentor team members, and promote best practices for code quality, documentation, and testing.Take full ownership of projects from inception to production, including system design, implementation, testing, and release.Contribute to our product vision and help shape the future of Alamo.

Join DigitalOcean as a Senior Software Engineer I specializing in storage solutions! In this pivotal role, you'll contribute to the design and enhancement of our cutting-edge storage systems. Collaborate with a talented team to deliver scalable and efficient software solutions that power millions of applications globally.

Senior Software Engineer I - Cloud SIEMAt Sumo Logic, our Cloud SIEM (Security Information and Event Management) platform offers in-depth security visibility and analytics tailored for contemporary cloud and hybrid environments. Utilizing sophisticated analytics and machine learning, our Cloud SIEM enables real-time threat detection, incident response, and compliance management. Built for scalability and efficiency, it integrates seamlessly with a diverse array of security tools and data sources, empowering organizations to adeptly manage and alleviate security risks while enhancing their security operations. Our Cloud SIEM equips security teams to proactively counter evolving threats and uphold robust security postures.We are on the lookout for a talented backend Software Engineer to join our dynamic Cloud SIEM team in Austin, TX, collaborating in person one day per week. In this pivotal role, you will help design, develop, and maintain our state-of-the-art cloud-based SIEM solutions.