Senior Full Stack Web Application Developer

Drive Innovation with PurposeAt BILL, we empower businesses that fuel our economy by modernizing outdated financial processes with cutting-edge tools. We aid companies—ranging from startups to established enterprises—in making informed decisions and gaining operational control. Our mission extends beyond mere solutions; we are pioneering the future of financ…

The Trade Desk is looking for a Senior Full Stack Software Engineer to join the Omnichannel division. This position centers on designing and building software that enhances user experiences across a range of platforms. Projects involve both web applications and integrated advertising technology. Key responsibilities Collaborate with engineering, product, and design teams to deliver applications for the omnichannel platform Develop and maintain software that integrates with The Trade Desk’s advertising technology stack Work on both front-end and back-end systems to support seamless user interactions Locations This role is open in Bellevue, Boston, Boulder, Chicago, Denver, Irvine, Los Angeles, New York, San Francisco, San Jose, Seattle, and Ventura.

Company OverviewTENEX is a cutting-edge cybersecurity firm that integrates sophisticated artificial intelligence with human expertise to revolutionize enterprise security. Supported by renowned investors such as Andreessen Horowitz (a16z) and Shield Capital, TENEX offers an innovative Managed Detection and Response (MDR) service, fundamentally changing how organizations identify and address security threats. With extensive knowledge in Google and Microsoft security frameworks and advanced AI capabilities, TENEX empowers companies to strengthen their threat detection, enhance operational agility, and ensure resilience, all while optimizing their security investments. As an early team member, you will significantly contribute to shaping and cultivating our company culture.We are looking for a dynamic and adaptable Full Stack Engineer to join our core engineering team. You will be pivotal in constructing and expanding our platform, engaging with the entire technology stack, from designing robust backend services to developing intuitive user interfaces. As part of our team, you will have the chance to influence essential technical decisions and contribute to defining our engineering culture. We seek proactive individuals who thrive on problem-solving and possess a strong desire to learn and grow in a fast-paced environment.At TENEX.AI, we place a high value on culture—visit our culture deck at culture.tenex.ai to see how we emphasize the essential collaboration and community fostered through in-person work.Location: This role requires on-site presence Monday through Thursday at our San Jose, CA location, with the option to work from home on Fridays.

Join Us at BetterHelpAt BetterHelp, we are dedicated to eliminating traditional obstacles to therapy and making mental health support accessible to all. Founded in 2013, we have become the world's largest online therapy service, ensuring affordable and convenient therapy options globally. With a network of over 30,000 licensed therapists, we have empowered millions to take charge of their mental well-being. As the demand for mental health services continues to rise, BetterHelp stands committed to being an integral part of the solution.As a Senior Full Stack Software Engineer, you will be a key member of a diverse team that includes clinicians, engineers, product experts, creatives, marketers, and business leaders—all passionate about expanding therapy access. We prioritize our employees' mental health as much as our mission, investing in their well-being and professional growth because we believe that organizational and personal development go hand in hand. At BetterHelp, you will forge your own path, make a significant impact, and face daily challenges, supported by a nurturing community.

Join Our Mission to Transform Mental Health Care At BetterHelp, we are dedicated to dismantling the barriers that prevent individuals from accessing vital mental health services. Since our inception in 2013, we have grown to become the largest online therapy platform globally, connecting millions with over 30,000 licensed therapists. Our commitment to making mental health care affordable and accessible continues to drive our mission forward. As a Full Stack Software Engineer at BetterHelp, you will be part of a passionate and diverse team that includes clinicians, engineers, product specialists, creatives, marketers, and business leaders. We prioritize the mental health and professional growth of our employees, ensuring you have the support and resources to thrive in your career. Here, you will have the autonomy to shape your journey, make significant contributions, and face new challenges daily, all while surrounded by a supportive community.

Join our team as a Java Full Stack Engineer specializing in MongoDB and Kafka. This long-term contract role offers the opportunity to design and develop cutting-edge applications using Java/J2EE technologies, including Core Java, Spring, and RESTful web services.Design and develop robust applications utilizing Core Java, Spring framework, and RESTful web services.Leverage your expertise in MongoDB to build and optimize applications.Utilize Kafka to create queues and integrate efficiently with MongoDB and other custom applications.Bring your 9+ years of IT experience to collaborate with cross-functional teams to achieve project milestones.Communicate effectively with clients and manage stakeholder expectations.

About Hark Hark is at the forefront of artificial intelligence, dedicated to developing advanced, personalized intelligence systems. Our goal is to create a proactive, multimodal AI capable of interacting seamlessly with the world through speech, text, vision, and persistent memory. We are combining this intelligence with cutting-edge hardware to establish a universal interface between humans and machines. While current AI technology largely operates through outdated chat boxes, Hark is pioneering the future with agentic systems that communicate naturally with users and engage with the physical world. To realize this vision, we are innovating multimodal models and next-gen AI hardware, engineered from the ground up as a cohesive interface for a new generation of intelligent systems. About the Team As a Full-Stack Engineer at Hark, you will be instrumental in crafting the product surfaces that define user interactions across voice, text, and vision. Your role will focus on translating our AI capabilities into fast, intuitive, and trustworthy user experiences. Bridging the gap between advanced AI and user-friendly applications is crucial, and you will take ownership of this challenge. This position offers significant ownership within a small team, working directly alongside designers and model researchers. The features you develop will shape how users engage with Hark's technology. Responsibilities Design and develop engaging product surfaces, including interfaces and interactions that users rely on daily. Collaborate closely with designers to deliver experiences that are fast, reliable, and genuinely beneficial. Take full ownership of features from initial prototyping through to production deployment, continuously iterating based on user feedback. Create frontend solutions for agent workflows, ensuring tool integration, memory retrieval, and multi-step reasoning feel cohesive and trustworthy. Measure and evaluate the impact of your work, tracking quality and user feedback to foster improvement.

Join Our Team as a Research EngineerAt Physical Superintelligence, a pioneering startup with affiliations to esteemed institutions like Google, Harvard, Meta, MIT, Oxford, Johns Hopkins, Cambridge, and the Perimeter Institute, we are on a mission to revolutionize the discovery of new physics through advanced AI systems. We are currently seeking talented engineers to develop a robust platform that lies at the intersection of computational science, artificial intelligence, and software engineering.Our Vision: We aim to unlock transformative breakthroughs in physics at scale with the help of artificial superintelligence, ensuring safety and verifiability for the benefit of the public. Following a century that produced groundbreaking innovations like transistors, lasers, and nuclear energy, we believe that artificial superintelligence will herald a new golden age of scientific discovery.Our Focus: We are dedicated to creating a comprehensive infrastructure that will enable the industrialization of scientific discovery, allowing us to bring forth the next era of physics.

Company Overview:TENEX is a pioneering provider of Managed Detection and Response (MDR) services, built on an AI-first and automation-driven foundation. We empower organizations to bolster their cybersecurity measures through sophisticated threat detection, swift response capabilities, and ongoing protection. Our team consists of industry veterans with extensive expertise in cybersecurity, automation, and AI-based solutions.As a rapidly growing startup, supported by industry leaders and esteemed investor Andreessen Horowitz, we offer a unique opportunity to join our team at an early stage. As an integral member of our small yet well-funded group, you will significantly influence our culture and growth. We are on the fast track to revolutionizing the cybersecurity arena and are actively seeking top-notch talent to join our mission.We are in search of a highly motivated and adaptable Full Stack Engineer Intern to become a part of our core engineering team. We appreciate individuals who are proactive, enjoy tackling challenges, and are eager to grow and learn in a dynamic environment.At TENEX.AI, we place a strong emphasis on our culture—explore our culture deck at culture.tenex.ai to see how we value collaboration and the unique community fostered through in-person work.

Archer Aviation is developing all-electric vertical takeoff and landing (eVTOL) aircraft in San Jose, California. The company’s mission centers on creating sustainable air mobility solutions, with aircraft designed to carry four passengers while minimizing noise for quieter, cleaner transportation. Archer values diversity and inclusion, encouraging every team member’s perspective and fostering equity throughout the workplace. Role overview The Senior Staff Engineer - Battery Cell Stack will lead the design and development of high-voltage battery pack components for both commercial and defense eVTOL aircraft. This position plays a key role in shaping battery technology for multiple aircraft programs. What you will do Oversee the full design process for high-voltage battery pack components across several aircraft platforms. Collaborate with CAE engineers, quality assurance, testing, supply chain, and manufacturing teams to align on project goals. Engage in hands-on prototyping, assembly, and root cause analysis during the design cycle. Work with integration and certification teams to ensure battery systems meet FAA certification standards. Create and refine battery design solutions that fulfill strict aerospace requirements. Establish and promote design standards and best practices for Archer’s battery systems. Mentor junior engineers working on battery design. Develop and maintain the battery hardware technology roadmap for future products and applications.

We are seeking a talented and innovative Senior Controls & Software Engineer to join our dynamic team at Antora in San Jose, CA. In this role, you will be responsible for developing and optimizing control systems and software solutions that drive our cutting-edge technology. You will collaborate with cross-functional teams to ensure seamless integration and performance of our systems.

The Trade Desk is a leading global technology firm dedicated to fostering a more open and equitable internet for all through principled and innovative advertising solutions. Our platform processes over 1 trillion queries daily, operating at an unmatched scale. We take pride in cultivating a robust, award-winning culture grounded in trust, ownership, empathy, and collaboration. We celebrate the diverse experiences and perspectives each individual brings to The Trade Desk, and we are resolutely committed to creating inclusive environments where everyone can express their authentic selves at work every day. Are you passionate about tackling complex challenges at scale? Do you want to be part of a dynamic, globally-connected team where your contributions will significantly impact the development of a better media ecosystem? Join us and discover why Fortune magazine consistently ranks The Trade Desk among the top small- to medium-sized workplaces worldwide. About OpenPath: OpenPath offers a direct and transparent connection between The Trade Desk and prominent premium publishers, allowing for efficient, objective, and high-quality inventory access for advertisers. By streamlining the programmatic supply chain and minimizing intermediaries, OpenPath enhances supply path transparency, cost efficiency, and provides better visibility into the value and source of each impression. Objective: OpenPath is dedicated to establishing and managing direct integrations with publishers while offering a robust publisher platform. Unlike a Supply-Side Platform (SSP), The Trade Desk maintains a buy-side focus—we do not optimize publisher yield or manage direct deals. Our goal is to deliver transparency and competition that result in superior outcomes for advertisers. Key Features: Direct access to premium inventory through The Trade Desk platform. Infrastructure designed for integration with transparent demand solutions, including Prebid’s open-source header bidding. Focus on supply path transparency, cost efficiency, and clarity into cost/value. A buy-side-only approach that promotes competition, innovation, and objective decision-making.

At Efficient, we are on a mission to create the world's most energy-efficient general-purpose computer processor. Our patented technology utilizes an astonishing 100 times less energy than the leading ultra-low-power processors available today. This groundbreaking efficiency allows for continuous AI/ML operations on just a AA battery for a remarkable 5-10 years. Our platform's unparalleled efficiency empowers IoT devices to intelligently gather and curate first-party data, paving the way for the next computing revolution.We invite a Senior Software Optimization Engineer to join our dynamic team at Efficient. In this pivotal role, you will design, optimize, and deploy applications for our state-of-the-art programmable processor known as the “Fabric.” You will take ownership of complex, performance-critical applications, collaborating closely with our compiler team to implement customer specifications, validate software quality, and offer deep technical insights into compiler interactions. This position presents a unique opportunity to engage in cutting-edge hardware/software co-design, while making an immediate impact in advancing the next generation of embedded applications.

Job Title: Senior Staff System Software EngineerOffice Location: San Jose, CAJob Type: Full-TimeWork Model: OnsiteJoin SK hynix America, a leader in semiconductor innovation, where we create advanced memory solutions that empower devices from smartphones to expansive data centers. Our expertise in DRAM and NAND flash technologies positions us at the forefront of mobile technology evolution and cloud computing advancements.We are seeking creative and forward-thinking individuals to contribute to our mission of shaping the future of technology. At SK hynix America, you will engage with a team dedicated to pioneering groundbreaking memory solutions while upholding a commitment to sustainability. We are not just adapting to technological change; we are spearheading it with significant investments in artificial intelligence, machine learning, and environmentally friendly practices. Be a part of our journey to redefine the future of computing through next-generation memory solutions.Job Summary:Lead the charge in maintaining SK hynix's leadership in emerging technologies, utilizing your expertise in computer systems and software technologies, including open-source tools to showcase benefits and use cases.Design, develop, and optimize next-generation memory solutions and system software tailored for energy-efficient AI computing platforms.Collaborate closely with hardware and software teams to ensure the seamless integration and optimal performance of our next-generation AI memory solutions.Responsibilities:Serve as an individual technical contributor within the research team focused on next-generation storage/memory systems.Design and develop prototypes of next-generation memory solutions and corresponding system software for energy-efficient applications.

Collaboration Fuels Innovation. Transforming the Viewing ExperienceRoku is the leading TV streaming platform in the U.S., Canada, and Mexico, with ambitions to power every television globally. As pioneers in streaming technology, our goal is to connect consumers with their favorite content, empower content creators to build and monetize large audiences, and offer advertisers unparalleled tools to engage users.From day one at Roku, your contributions will be recognized and valued. Join a rapidly growing public company where you can make a difference and delight millions of TV streamers worldwide while expanding your expertise across various disciplines. About the Team The Ad Engineering Team is essential for creating a scalable and reliable real-time advertising platform crucial for expanding Roku's advertising business. We are seeking a Senior Software Engineer to join our Advertising Platform team, playing a key role in this mission. If you have extensive experience in developing complex systems, a passion for technology at scale, and enjoy mentoring and problem-solving, this opportunity is for you! About the Role As a leader in the TV streaming industry, Roku continues to innovate and shape the future of streaming through The Roku Channel. Our success depends on our investment in Advertising Engineering. The ideal candidate will exhibit a strong curiosity, blending a global vision with locally relevant execution. Successful candidates will showcase a balance of technical and interpersonal skills, adapting quickly to changing business needs.Building a real-time, highly scalable, and available advertising platform is vital for our success. Our team's mission is to develop a top-tier advertising platform that supports and enhances Roku's rapidly growing ad business, ensuring high performance and user privacy.For California Only - The estimated annual salary for this position ranges from $195,000 to $408,000. Compensation packages consider unique factors for each candidate, including experience and qualifications.

About the RoleJoin our team as a Senior Robotics Software Engineer, responsible for developing and managing the essential platform infrastructure for our cutting-edge autonomous robots. We are looking for a versatile robotics engineer with a strong background in software development across middleware, device integration, embedded systems, build and deployment pipelines, and cloud infrastructure.ResponsibilitiesTake ownership of the robotics platform stack from middleware to embedded software across various robot configurations.Develop infrastructure for sensor integration, data capture, system observability, and comprehensive diagnostics for our fleet.Enhance developer workflows by creating tools that increase team productivity and efficiency.Design and manage CI/CD processes, build, and deployment pipelines, along with fleet management systems for embedded targets.Lead architectural discussions on system design, messaging protocols, and cross-team integrations.

Archer Aviation, headquartered in San Jose, California, is on a groundbreaking mission to revolutionize air travel with our all-electric vertical takeoff and landing aircraft. Our innovative designs aim to deliver sustainable air mobility solutions that carry four passengers while minimizing noise pollution.At Archer, we embrace ambitious challenges and believe that fostering a diverse workplace enhances our intelligence, drives better insights, and contributes to collective success. We are committed to creating an equitable and inclusive environment that values our unique differences and empowers every team member.Key Responsibilities:Design and develop safety-critical software components for our Powertrain software team, including battery management systems, motor controllers, and core/platform systems.Engage in the full software development lifecycle, including planning, design, coding, and testing.Collaborate with system engineers to translate requirements into high-level and low-level software specifications in accordance with DO-178C.Work alongside multidisciplinary teams to develop and integrate complex hardware/software systems.Conduct software requirements decomposition, analysis, definition, and traceability.Implement requirements-based testing and structural coverage analysis.Contribute to process improvements aimed at enhancing safety and operational efficiency.

Role overview Bluelight Consulting seeks a Full-Stack Digital Marketer to join the team remotely from Latin America. This role centers on designing and carrying out digital marketing strategies that help clients grow their brands and deepen customer engagement. What you will do Develop and execute digital marketing plans that align with client objectives Lead SEO projects to raise online visibility Manage and optimize social media campaigns on multiple platforms Plan and deliver email marketing campaigns Create and curate digital content to support marketing efforts Requirements Background in SEO, social media marketing, email campaigns, and content creation Ability to work independently in a remote environment Keen interest in digital trends and new marketing approaches Residence in Latin America Location This position is fully remote for candidates based in Latin America. Bluelight Consulting’s main office is in San Jose, Costa Rica.

Founded in 2017, WeRide (NASDAQ: WRD) stands at the forefront of the autonomous driving revolution, developing cutting-edge technologies across Levels 2 to 4. As the only technology firm globally with driverless permits in China, the UAE, Singapore, and the United States, WeRide conducts extensive R&D, testing, and operations in over 30 cities across 10 countries. With a proven track record, WeRide has maintained a self-driving fleet for more than 2,200 days.WeRide.ai is seeking a talented Senior Software Engineer to join our team in building robust and efficient cloud infrastructure platforms for autonomous driving. This includes developing PaaS solutions such as Big Data, AI, Simulation, and IaaS platforms including Kubernetes and storage services.