Senior Frontend Engineer

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.

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.

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.

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.

About General MedicineAt General Medicine, we are revolutionizing healthcare accessibility. As a Frontend Engineer, you will play a pivotal role in developing a user-friendly healthcare platform that simplifies the process of shopping for care. Our service offers clear upfront pricing for both cash and insurance for virtual and in-person healthcare services, including visits, prescriptions, labs, and imaging.What We Are Looking ForWe are seeking a passionate Frontend Engineer to help us craft a seamless and visually appealing consumer healthcare product on the web. You will take ownership of key areas of our Next.js application, including search functionality, scheduling, provider profiles, and the checkout experience, focusing intently on enhancing the patient journey.Our ideal candidate possesses extensive expertise in React and TypeScript, a keen eye for UI refinement, and experience in creating fast, accessible, production-ready web applications. You should feel comfortable collaborating closely with design teams to perfect interactions and micro-details while also confidently making practical frontend architectural decisions, encompassing component patterns, state management, data retrieval strategies, performance enhancements, and testing. Additionally, you should be open to working across the stack when necessary, as our frontend integrates with a Rails backend. We value engineers who can effectively trace bugs or develop features from end to end.Beyond frontend proficiency, we are looking for someone who is committed to technical excellence while also able to work efficiently. We often face trade-offs between engineering speed and quality; thus, our ideal candidate is ambitious, proactive, and aspires to be a well-rounded generalist. Our engineers frequently draft product requirement documents, utilize SQL to analyze feature performance, and oversee quality assurance. No task is too small or outside the scope of the role if it contributes to delivering an outstanding product. We are looking for someone who can thrive in an environment with considerable ambiguity and work closely with design, operations, and clinical stakeholders.While a healthcare background is not a requirement, a genuine interest in understanding the complexities of the American healthcare system—such as integrating with EHRs and revenue cycle management—is highly desirable.

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.

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.

Join our dynamic team at usm2 as a Senior Full Stack Developer, where you will play a pivotal role in developing robust applications that enhance user experience and functionality. Your expertise in both frontend and backend technologies will be crucial to our innovative projects. Collaborate with cross-functional teams, contribute to design discussions, and implement best coding practices to deliver high-quality solutions.

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.

Join Air Space IntelligenceAt ASI, we harness cutting-edge technology to empower critical decision-making across diverse sectors such as aviation, defense, energy, and vital infrastructure. Supported by leading investors like Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI is committed to delivering unparalleled operational decision superiority, transforming extensive analysis into rapid action. We are at the forefront of innovation, redefining the boundaries of what's achievable.Your RoleAs a valued member of our product engineering team, you will create dynamic user interfaces that facilitate mission-critical operations, enabling users to track and forecast flight paths within intricate, large-scale air traffic systems. Collaborating closely with our design team, you will develop high-performance, map-driven web applications that empower users to make instantaneous decisions based on rich, geospatial data.Our ExpectationsExpertise in JavaScript/TypeScript, React, and CSS.Experience in developing sophisticated, map-centric web applications using Mapbox, Maplibre, or Google Maps, emphasizing real-time rendering of multiple interactive features and overlays.Familiarity with WebGL, WebGPU, or ThreeJS for optimized graphics rendering, as well as WebAssembly (WASM) to boost application performance.Proactive problem-solving skills with a strong bias for action.Ability to write clean, efficient, and maintainable code.Meticulous attention to detail and a commitment to delivering exceptional user experiences.Skilled in utilizing modern LLM tools to expedite development processes and enhance code quality.Our Hiring PhilosophyWe view the interview process as a collaborative experience rather than a mere evaluation. Our goal is to simulate the dynamics of working together, ensuring the interview process revolves around you.

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.

At Later, we redefine influencer marketing by harnessing the power of genuine creator relationships and cutting-edge technology. Our AI-driven platform, backed by over a decade of proprietary data—including billions of social interactions and more than $2.4 billion in verified influencer-driven purchases—provides brands the confidence to craft unforgettable campaigns. With our expert guidance, brands can navigate the complexities of influencer marketing to maximize their impact on awareness, engagement, and revenue. Trusted by industry leaders like Nike, Wayfair, Unilever, and Southwest Airlines, Later seamlessly blends creativity with performance to ensure that every campaign not only looks exceptional but also delivers tangible results. Discover more at later.com.About the role:The Senior Software Engineer will play a pivotal role in driving significant projects, implementing impactful features, and upholding our high engineering standards. You will tackle complex challenges, collaborate across various teams, and mentor junior engineers while continually enhancing our codebases and promoting a culture of technical excellence. With profound expertise in contemporary software development and Agile methodologies, you'll influence product velocity and engineering culture.Your Responsibilities:Strategic LeadershipDefine, plan, and lead the delivery of extensive features and roadmap initiatives.Clarify and refine requirements among stakeholders in a dynamic environment.Navigate ambiguous requirements and divergent interests to deliver features that excite users.Contribute to long-term architectural planning and system design.Technical ExecutionLead the resolution of complex technical challenges across teams and production environments.Continuously improve code quality, system performance, and engineering practices.

Merlin Labs seeks a Senior DevOps Engineer to join the team in Boston. This role focuses on building stronger cloud infrastructure and refining deployment workflows. The position involves close collaboration with teams across the organization to ensure systems run reliably and efficiently at scale. Key responsibilities Maintain and enhance cloud infrastructure for stability and performance Automate deployment and management tasks to streamline operations Work with engineering and other departments to develop scalable solutions Advance continuous integration and delivery (CI/CD) practices Location This position is based in Boston.

Join OpenGov as a Senior Software Engineer and become part of a dynamic team dedicated to transforming how governments operate. In this role, you will lead the design and development of innovative software solutions that empower public sector organizations to enhance transparency and efficiency.

Toast, Inc. is seeking a Senior Solutions Engineer in Boston, MA. This position centers on creating technical solutions that help restaurants improve their operations and guest experiences. The Senior Solutions Engineer works directly with clients and partners across the company to understand unique challenges and design effective responses. Role overview This role focuses on applying technical knowledge to real-world restaurant needs. The Senior Solutions Engineer collaborates with both clients and internal teams to identify requirements and deliver solutions that support business goals. Collaboration Work closely with clients to understand their operational needs Partner with cross-functional teams to design and implement solutions Impact The work directly supports restaurant success and helps enhance the customer experience through tailored technology and thoughtful problem-solving.

Join DigitalOcean as a Senior Engineer I in Observability, where you will play a crucial role in enhancing our platform's visibility and performance. You will work closely with cross-functional teams to build and optimize observability tools, ensuring that our infrastructure runs smoothly and efficiently. This is an opportunity to leverage your technical expertise to drive innovation and improve our customer experience.

Later stands at the forefront of influencer marketing, empowering brands to craft unforgettable campaigns with confidence. By merging authentic creator relationships, data-driven insights, and professional guidance, Later alleviates the uncertainties that often accompany significant marketing investments.Our platform, fueled by advanced AI and over a decade’s worth of proprietary data—including billions of social interactions and more than $2.4 billion in verified influencer-driven purchases—enables teams to gain clarity on strategies before execution.With a commitment to providing reliable insights and expert support, Later simplifies influencer marketing, allowing brands to select optimal creators, manage comprehensive campaigns, and foster substantial growth in brand awareness, engagement, and revenue. Our trusted partnerships include renowned enterprises such as Nike, Wayfair, Unilever, and Southwest Airlines, as we blend creativity with effectiveness to ensure campaigns not only look impressive but also yield tangible results. Discover more at later.com.About this Position:As a Senior Security Engineer at Later, you will be pivotal in fortifying and enhancing the security framework that supports our platform. This position fuses extensive security acumen with hands-on engineering, emphasizing identity and access management, authentication systems, and secure development practices.You will collaborate intimately with Engineering, Infrastructure, and Product teams to integrate security into our CI/CD pipelines, internal platforms, and client-facing systems—empowering teams to innovate rapidly while ensuring the safety of our systems, data, and users. This role is ideal for an impactful individual contributor who possesses a defender’s mindset, builds with the precision of a software engineer, and leads through influence.Key Responsibilities:StrategyContinuously assess and enhance Later’s security posture across applications, infrastructure, and development workflows.Establish and enforce scalable security standards, guidelines, and best practices that facilitate compliance through automated and auditable solutions.Collaborate with Engineering and Product leadership to synchronize security priorities with business goals and project timelines.

Join Formlabs, a pioneering 3D printing company, as a Senior Electrical Engineer. In this role, you will design innovative electrical systems for our cutting-edge products. Collaborate with a talented team to develop solutions that push the boundaries of technology.

Join our dynamic team as an Engineer/Senior Engineer focused on Perception Capabilities, where you will have the opportunity to develop innovative software products leveraging advanced computer vision and deep learning technologies. Your expertise in detection, classification, segmentation, or tracking will play a crucial role in creating impactful solutions in a production-oriented environment.We value curiosity and motivation, and we encourage you to learn from our experienced team. If you enjoy tackling complex technical challenges, asking insightful questions, and collaborating to produce top-notch software, this is the place for you.Your contributions will directly impact the perception stack of our self-driving vehicles, enhancing safety-critical applications in an open-world context.

At WHOOP, we are driven by a mission to enhance human performance and prolong healthspan. Our innovative platform empowers individuals to achieve peak performance through a profound understanding of their bodies and daily habits. We process vast amounts of real-time data from users focused on health and wellness, as well as the world’s elite athletes and sports teams, necessitating a highly reliable and fault-tolerant product.Join our Connectivity Software Team, where we create the essential connection between WHOOP hardware, the iOS application, and the cloud infrastructure. As a Senior iOS Engineer on this team, you will design and implement software that facilitates seamless communication between WHOOP’s wearable sensors and the mobile platform. Your expertise will help develop and optimize connectivity experiences that are not only robust and efficient but also seamlessly integrated, ensuring a reliable flow of data throughout our ecosystem.