Principal Software Engineer - Full Stack

Empower decision-makers with timely insights at Code Metal. Here, real-time physics simulations, AI-driven insights, and operational actions coalesce into expansive data streams. As the lead for our Visualization & Frontend team, you will transform this overwhelming influx of information into sophisticated, impactful experiences that inform multi-billion-dollar strategic choices in force design, guided by wargaming principles. We seek a hands-on architect to construct a modular UI stack, navigate complex geospatial and temporal data, and mentor a select group of talented engineers to deliver high-quality products swiftly.Your Responsibilities Architect an innovative UI framework: Create a component library and plugin architecture that enables internal teams and future partners to enhance visualizations without altering the core codebase. Render data at scale: Develop responsive visualizations that combine live simulation outputs, AI insights, and historical data into a seamless, interactive timeline. Integrate smoothly: Utilize FastAPI/ZeroMQ endpoints from the backend and provide well-versioned client APIs for mission planning and dashboards. Collaborate with stakeholders and UX design leads: Continuously refine user experience based on performance metrics and feedback from Air Force wargamers and UX specialists. Lead by example: Promote UI/UX best practices, conduct code reviews, participate in design critiques, and implement automated testing; support team members in becoming force multipliers. Continuous deployment: Manage the CI/CD pipeline for web and desktop applications, with a focus on DoD accreditation and cross-domain distribution. Why Join Code Metal? Impactful mission: Your visualizations will contribute to discussions that shape the future of military force structure. Agility: Work in tight iterations with small teams—design in the morning and deploy by evening. Ownership: No bystanders here—every engineer plays a crucial role in shipping meaningful code.

Join the Future of Financial Data!At Akoya, we are pioneering an API-based network supported by leading financial institutions to create a secure and transparent method for individuals to share their personal financial data with third-party applications. If you are passionate about cutting-edge technology that addresses real-world challenges, we invite you to join us in revolutionizing the way financial information is accessed and exchanged. Our vibrant and collaborative workplace fosters creativity and diversity, bringing together professionals with expertise in banking, securities, fintech, and data aggregation. As an equal opportunity employer, we encourage you to become part of our exciting journey – visit www.akoya.com for more details!Your RoleWe are on the lookout for a Principal Software Engineer (Frontend) to spearhead the development of our next-generation user experiences and frontend architecture. This position is perfect for a seasoned engineer who upholds high design standards, possesses advanced skills in modern JavaScript and React, and can drive technical strategies across intricate products. You will combine meticulous attention to detail with excellent communication skills and a fervor for crafting elegant, scalable, and user-friendly interfaces that empower our clients.As a Principal Engineer, your responsibilities will include:Leading the design and execution of Akoya's core frontend architecture, establishing benchmarks for code quality, performance, accessibility, and maintainability.Guiding the modernization of existing frontend systems, ensuring reliability of legacy components while transitioning them to more scalable, efficient, and maintainable frameworks.Writing clean, well-organized, and thoroughly documented code using React, TypeScript/JavaScript, and contemporary frontend tools.Collaborating closely with product managers, designers, and backend teams to define requirements and deliver polished, high-quality user experiences.Debugging and resolving complex production challenges across the frontend stack, ensuring robust and resilient interfaces.Enhancing the engineering team through mentorship, architectural guidance, and code reviews, enabling teams to achieve excellence.Promoting frontend best practices including performance optimization, component system design, and user experience improvements.

About SunoSuno is a revolutionary music company dedicated to enhancing creativity through technology. By harnessing the power of cutting-edge AI music models, we provide an extraordinary platform for creativity, featuring Suno Studio—a pioneering generative audio workstation. Whether you’re a casual singer, an aspiring songwriter, or a professional artist, Suno is here to support a worldwide community in creating, sharing, and discovering music, making musical expression accessible to everyone.About the RoleWe are on the lookout for talented individuals to join our web development team. As an integral part of our founding team, you will have the opportunity to influence key technical and design decisions for Suno’s web applications.What You’ll DoCraft and develop innovative web applications for music creation, exploration, and listening.Establish foundational abstractions and libraries for high-performance, interactive audio experiences.Participate in design and product decisions throughout the application lifecycle.Enhance the performance, aesthetic appeal, and user satisfaction of our products.What You’ll NeedAt least 7 years of experience in delivering production-quality web applications.Proficient in Typescript, React, NextJS, and CSS.Demonstrated experience in building complex, responsive web applications, with a knack for translating prototypes into robust and maintainable code.A passion for delivering exceptional user experiences, with attention to detail, rapid iteration, and a strong work ethic.A genuine love for music—whether it’s listening, exploring, or creating—is a significant advantage.Bachelor's degree or equivalent experience required.Additional Notes: Applicants must have the legal right to work in the US.Perks & Benefits for Full-Time EmployeesEquity participation in the company.401(k) plan with a 3% employer match and Roth 401(k) option.Comprehensive medical, dental, and vision insurance (PPO with HSA and FSA options).11 paid holidays plus unlimited paid time off and sick leave.16 weeks of paid parental leave.

As a leader in the industry cloud sector and one of the fastest-growing enterprise SaaS companies, Veeva Systems Inc. aims to empower life sciences organizations to expedite the delivery of critical therapies to patients. We pride ourselves on being a public benefit corporation (PBC), dedicated to balancing the needs of our customers, employees, society, and investors, providing a unique opportunity to develop solutions that have a significant impact on global health.The Role: In the position of Principal Software Engineer at Veeva, you will spearhead the design and development of robust, scalable enterprise applications that enable our clients to function more effectively and securely. Your expertise and leadership will play a vital role in influencing our technology landscape. You will mentor fellow engineers, make pivotal technical decisions, and consistently produce high-quality code that drives our technology forward.Embrace a Work Anywhere Culture: We empower our employees to work from their ideal environments—be it from home or within the office—across Canada and the US, fostering seamless collaboration within your team's time zone.Become a part of Veeva and play an integral role in transforming the life sciences industry, making a meaningful difference in global health.

Role Overview Whoop is looking for a Senior Frontend Software Engineer to work on growth-focused projects in Boston, MA. This role centers on improving user experience and increasing engagement across our platform. What You Will Do Work closely with teams from different disciplines to design and deliver new features and improvements. Develop scalable, efficient, and visually polished frontend applications. Apply frontend expertise to create solutions that support Whoop’s mission and meet user needs. What We’re Looking For Strong background in frontend technologies. Experience building user-facing applications with attention to performance and design. Ability to collaborate effectively with engineers, designers, and product managers.

Principal Engineer and Team Lead - Motion Planning Join our innovative Planning team at Motional, where your enthusiasm for robotics and software development will contribute to the advancement of production-ready autonomous vehicles. As the Principal Engineer and Team Lead, you will oversee a talented team dedicated to designing and implementing state-of-the-art motion planning software for autonomous vehicles. This pivotal role requires you to lead the definition of motion planning and control systems that ensure our fleet operates safely, efficiently, and comfortably in complex environments. Your leadership will be instrumental in developing cutting-edge motion planning algorithms, working in collaboration with cross-functional teams (Localization, Perception, Prediction, Controls, ML Products, and Systems Engineering), and mentoring a diverse group of engineers to deliver groundbreaking solutions. If you are driven by a passion for autonomous driving, enjoy tackling challenging real-world problems, and are eager to make a significant impact in a rapidly evolving industry, we would love to hear from you.

Role overview This Frontend Software Engineer position at Anduril Industries focuses on Maneuver Dominance and is based in Boston, Massachusetts. The work centers on developing software to support advanced defense systems, with an emphasis on user-facing features. What you will do Design, build, and refine user interfaces for applications that play a critical role in defense missions Collaborate with colleagues from multiple disciplines to deliver features that enhance the overall user experience Use modern frontend frameworks and tools to create responsive and intuitive interfaces Contribute to the way Anduril’s products perform and are used in real-world defense scenarios Impact Work in this role has a direct effect on the performance and usability of Anduril’s defense products as they are deployed in the field.

Role Overview Whoop, Inc. is hiring a Software Engineer II focused on frontend development for its AI Platform in Boston, MA. This position centers on building and improving user interfaces that support the company’s fitness technology products. What You Will Do Work with teams across engineering, design, and product to deliver polished, intuitive user interfaces Contribute to the design and implementation of features that expand the platform’s capabilities Help shape the user experience for tools that support Whoop’s mission to unlock human performance What We’re Looking For Experience with modern frontend technologies Interest in building high-quality, engaging user experiences Strong collaboration skills and the ability to work with cross-functional teams This role is based in Boston, MA.

About LogRocketFounded in 2016, LogRocket is dedicated to enhancing web experiences. We tackle the significant challenge faced by product managers and developers in comprehending user interactions. Our unique platform offers unparalleled insights into user experiences through precise replays of sessions combined with detailed logs, errors, and network activity. Our impressive client list features over 2,800 customers, including ClassPass, Capital One, Cisco, and Rippling. We pride ourselves on crafting quality software, and our engineering blog posts reflect our commitment to excellence.Supported by esteemed investors such as Matrix Partners, Battery Ventures, and Delta-V Capital, we have successfully raised $55M in funding. We are actively seeking talented individuals to join us in our mission to enhance the way society interacts with software.

At Veeva Systems, we are dedicated to transforming the life sciences industry, enabling companies to expedite the delivery of essential therapies to patients worldwide. As a trailblazer in industry cloud solutions, we proudly achieved over $2 billion in revenue last fiscal year, with immense growth opportunities on the horizon.Our core values—Do the Right Thing, Customer Success, Employee Success, and Speed—drive everything we do. In 2021, we made history by becoming a public benefit corporation, committed to balancing the needs of our customers, employees, society, and investors.As a Work Anywhere organization, we empower you to choose your ideal work environment, whether from home or in the office, to foster your success and well-being.Your RoleWe are looking for a Principal Full Stack Engineer who will play a pivotal role in developing scalable cloud software that accelerates the innovation and distribution of critical medications and treatments globally. In this senior position, you will leverage your extensive technical expertise to create software that adapts with new features and capabilities, while also enjoying autonomy in directing project developments. You will serve as a mentor to junior engineers and collaborate closely with product leadership, significantly influencing our product strategy.

Join WHOOP on our mission to enhance human performance and extend healthspan. We empower our members with insights drawn from advanced wearable technology that translate complex physiological data into personalized experiences, fostering improved fitness, health, and recovery.The Growth Team is a dynamic, fast-paced unit dedicated to driving user acquisition, activation, engagement, and retention. As a Software Engineer I on this team, you will play a vital role in developing and optimizing user-facing web experiences that influence key business and member metrics. Collaborating closely with seasoned engineers, product managers, and designers, you will help deliver high-quality features, conduct experiments, and continuously enhance the member journey.

Mission Overview: As a Principal Engineer and Technical Lead at Motional, you will spearhead a dynamic team dedicated to creating and implementing advanced trajectory planning algorithms through numerical optimization for autonomous vehicles. You will play a pivotal role in designing the motion planning and control systems that empower our fleet to navigate through intricate environments with safety, efficiency, and comfort. As a vital leader, you will not only enhance the development and performance of innovative trajectory generation algorithms but also collaborate with multidisciplinary teams including Planning, Perception, Prediction, Localization, Machine Learning Products, and Systems Engineering. Additionally, you will mentor a skilled group of engineers to deliver cutting-edge solutions. If you are enthusiastic about autonomous driving and wish to contribute to our commercial launch this year, enjoy tackling challenging real-world problems, and are eager to make a profound impact in a rapidly evolving domain, we invite you to connect with us! Your Responsibilities: Lead and expand a high-impact trajectory planning team, defining its technical vision, execution strategy, and long-term organizational role within the Motion organization. Prepare for commercial launch readiness by enhancing on-road driving behavior (safety, comfort, assertiveness) across the fleet through feature expansion, continuous performance improvements, and innovative methodologies. Utilize a systematic, metrics-driven approach to measure and enhance on-road performance. Advocate for the use of existing training and evaluation pipelines to ensure scalable, production-ready delivery. Oversee the computational efficiency and real-time performance of trajectory generation algorithms, ensuring compliance with latency budgets. Direct the swift triage and root-cause analysis of critical fleet incidents, translating real-world edge cases into immediate algorithmic enhancements and validation sets. Manage the successful execution of complex, multi-team projects, ensuring technical alignment from design to deployment while upholding a rigorous standard for testing and validation to meet the high safety benchmarks required for our commercial launch. Collaborate with peer leads to provide technical leadership, making crucial decisions regarding architectural direction, strategic investments, tactical execution, and technical debt reduction. Ensure technical excellence through thorough design and code reviews, while actively fostering the professional growth and mentorship of your engineering team. Set and pursue ambitious goals that inspire the team to deliver industry-leading trajectory solutions.

Join our dynamic team at sevenai as a Senior Frontend Engineer. In this pivotal role, you will be responsible for crafting and developing the user-facing elements of our advanced AI-driven cloud platform. Your expertise will enable you to design scalable and high-performance web interfaces that simplify complex cybersecurity functions, making them user-friendly and accessible.As our platform evolves towards greater AI integration, your role will focus on creating interfaces that promote explainability and trust in these intelligent systems. You will play a crucial role in helping users comprehend AI decision-making processes, transforming model outputs and security insights into clear, actionable, and transparent user experiences.As a senior member of our engineering team, you will influence our frontend architecture, provide mentorship to junior engineers, and collaborate closely with design and product teams to deliver outstanding, insight-driven user experiences.

Mission Summary:We are looking for a highly skilled and innovative Principal Engineer to take the helm as Tech Lead Manager for our newly established Machine Learning (ML) Acceleration team. This critical position will spearhead the strategy, development, and implementation of initiatives designed to dramatically enhance the training speed of ML models. Our ultimate aim is to significantly shorten the development cycle for new ML models and facilitate rapid hot-patching for challenges encountered in our autonomous vehicle services.As a hands-on leader, you will merge extensive technical knowledge in ML systems and performance optimization with exceptional leadership and management capabilities. You will be responsible for recruiting, mentoring, and nurturing a high-performing team of engineers, while cultivating a culture of innovation, teamwork, and ongoing enhancement.Key Responsibilities:Team Leadership & Management:Establish, direct, and oversee a top-performing team of ML and infrastructure engineers dedicated to acceleration initiatives.Provide technical direction, mentorship, and professional growth opportunities for team members.Encourage a collaborative and inclusive team atmosphere.Set team objectives, priorities, and operational roadmap in alignment with organizational goals.Technical Strategy & Execution:Articulate the technical vision and strategy for ML acceleration throughout the organization.Identify and assess state-of-the-art technologies and methodologies for expediting ML training, including data pipeline optimization, large-scale distributed training, data loader optimization, hardware acceleration, and model optimization techniques.Design, develop, and implement scalable and efficient ML acceleration solutions.Cross-functional Collaboration:Work closely with ML research, ML training platforms, and product teams to comprehend their requirements and seamlessly integrate acceleration solutions.Effectively communicate complex technical concepts and strategies to both technical and non-technical audiences.Serve as a technical expert and advocate for ML acceleration projects across the organization.Impact & Measurement:Regularly assess and report on the effectiveness of acceleration initiatives.Continuously pursue opportunities for further optimization and innovation.

Join Veeva, a trailblazer in the industry cloud space and one of the fastest-growing enterprise SaaS companies with over $2 billion in revenue last year. We are dedicated to empowering life sciences companies to expedite the delivery of critical therapies to patients globally. As a public benefit corporation, we strive to balance the interests of our clients, employees, society, and investors, providing a distinct opportunity to create solutions that significantly enhance global health.Opportunity Overview: As a Principal Software Engineer at Veeva, you will be at the forefront of developing and steering the creation of robust, scalable, and maintainable enterprise applications that enhance operational efficiency and safety for our clients. Your leadership will be vital in influencing our technological direction. You will mentor junior engineers, spearhead essential technical decisions, and consistently produce high-quality code that advances our technological capabilities.Embrace Our Work Anywhere Culture: We empower you to work from your preferred location, whether from home or in the office within Canada or the US, ensuring seamless collaboration within your team's time zones.Become a pivotal player at Veeva and be instrumental in transforming the life sciences sector, contributing to significant advancements in global health.

Join our dynamic team as a Principal Software Engineer specializing in Program Analysis for AI! We are on the lookout for a highly skilled software engineer to spearhead the development of next-generation transpilation tools that leverage AI and advanced verification techniques. Your work will play a crucial role in bridging the gap between algorithm development and the deployment of these algorithms in embedded systems.In this pivotal position, you will lead the design and implementation of innovative code generation pipelines that integrate Generative AI, Static Analysis, and Formal Verification methods to facilitate the translation of code from one programming language to another.

Join CD Projekt Red as a Lead Visual Effects Artist in Boston, where your creativity will bring our games to life. In this pivotal role, you will lead the visual effects team, developing stunning effects that enhance gameplay experiences. Collaborate closely with designers and artists to craft immersive worlds that resonate with players.

Join Klaviyo as a Lead Software Engineer specializing in Mobile Channels, where you will spearhead innovative mobile solutions that enhance user experience and drive engagement. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge applications that meet our users' needs.Your leadership will guide the engineering team in best practices, fostering a culture of creativity and technical excellence. If you're passionate about mobile technology and eager to make a significant impact on our products, we want to hear from you!

Join Our Team as a Senior Frontend EngineerWe are seeking a talented Senior Frontend Engineer to become a vital part of our innovative team in Boston. This role provides a unique opportunity for a passionate and skilled engineer to enhance their career with an industry leader.Position Overview: You will be responsible for developing high-quality user interfaces, ensuring optimal performance and responsiveness of applications, and collaborating with cross-functional teams to define, design, and implement new features.