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Senior Frontend Software Engineer Ii jobs in New York· Page 3

Results 41–60 of 6,553 for “Senior Frontend Software Engineer Ii” in New York.

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Cresilon logo
Full-time|$90K/yr - $150K/yr|On-site|Brooklyn, New York, United States

Cresilon® is a pioneering biotechnology firm located in Brooklyn, New York. We specialize in the development, manufacturing, and marketing of innovative hemostatic medical devices, leveraging our proprietary hydrogel technology. Our groundbreaking, plant-based solutions have transformed the way traumatic and surgical bleeds are managed, achieving swift h…

Aug 13, 2025
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Virtu Financial Inc. logo
Full-time|$130K/yr - $180K/yr|On-site|New York

Join Virtu FinancialAs a pioneering leader in financial technology, Virtu Financial harnesses state-of-the-art technology to provide liquidity to global markets. We pride ourselves on delivering innovative and transparent trading solutions, along with industry-leading analytics tools to our clients. As a market maker, Virtu plays a pivotal role in enhancing market efficiency by offering deep liquidity across more than 19,000 securities at over 235 venues in 36 countries worldwide.We foster a dynamic, meritocratic environment characterized by a flat organizational structure. A background in finance is not required, making this an excellent opportunity for aspiring professionals eager to embark on a career in financial technology.YOUR ROLEWe are seeking a talented Software Engineer specializing in C# to join our Triton Development team. Our mission is to build a cutting-edge, multi-asset class Execution Management System that is revolutionizing the investment processes of the world’s largest hedge funds and institutional investors. The Triton Execution Management System is a global, broker-neutral platform that integrates Virtu’s innovative liquidity, execution, analytics, and workflow solutions into a cohesive and customizable interface.The Triton Development team is composed of highly skilled software engineers who are passionate about delivering exceptional software. In this highly visible role, you will:Enhance the scalability and performance of C# software components and user experiences through Agile methodologies.Contribute by assessing and recommending new technologies and optimal designs for next-generation features.Collaborate effectively with team members across various departments.Manage multiple concurrent projects while swiftly adapting to changing priorities.

Mar 6, 2026
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Confido logo
Full-time|On-site|NYC Office

About Confido Confido builds AI-powered infrastructure for Consumer Packaged Goods (CPG) brands, helping them manage everything from deduction resolution to production planning. The platform brings together cash application, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics in one place. This integration saves clients time and supports better business decisions. Over 200 brands, including OLIPOP, Simple Mills, Dr. Squatch, and Tropicana, use Confido to manage more than $20 billion in revenue. Backed by $15 million in Series A funding from Footwork Ventures and Y Combinator, the company is positioned for rapid growth. Role Overview The Senior Frontend Engineer will lead the design and development of the user-facing side of Confido’s platform. The focus is on building intuitive, high-performance interfaces that make complex financial workflows easier for users. What You Will Do Design and develop frontend features for the Confido platform Create interfaces that simplify complex operational and financial data Collaborate with engineering and design teams Work with customers to turn detailed requirements into seamless product experiences Location This role is based in the New York City office.

Apr 15, 2026
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AirOps logo
Full-time|Remote|New York City, San Francisco or Remote

About AirOpsAirOps is pioneering the first comprehensive content engineering platform tailored for the AI-driven era. As the landscape of discovery transitions from conventional search methods to innovative AI platforms, we empower brands to enhance their visibility and maintain their relevance in the digital space. Our company is currently experiencing remarkable growth, having quintupled our revenue in the past year by assisting marketing teams at esteemed companies like Ramp, Chime, Carta, and Rippling in transforming content quality into a sustainable competitive edge.Our platform equips marketers to adeptly navigate the evolving discovery landscape, prioritize impactful opportunities, and generate precise, on-brand content that garners citations from AI systems and builds trust with human audiences. Supported by notable investors such as Greylock, Unusual Ventures, Wing VC, and Founder Collective, we are on a mission to create intelligent systems that will empower the next generation of marketing leaders. AirOps is headquartered in San Francisco, New York, and Montevideo.About the RoleAs a Senior Frontend Engineer at AirOps, you will be instrumental in developing and enhancing our software products, with a strong emphasis on creating exceptional user interfaces that boost usability and functionality. You will utilize your extensive experience in software development, data analysis, and Generative AI techniques to formulate groundbreaking AI solutions that streamline processes and elevate the user experience.We are looking for a versatile Senior Software Engineer who excels in adaptability and possesses strong cross-team communication skills. Given the rapid advancements in the software sector, your ability to quickly learn and implement new technologies and methodologies is crucial.Key ResponsibilitiesSpearhead the design and implementation of innovative user-facing features within our platform.Work in close collaboration with backend engineers to seamlessly integrate and utilize APIs.Take ownership of the frontend codebase, ensuring adherence to best practices for scalability and performance.Actively engage in code reviews, maintaining high standards for quality and reliability.Organize and prioritize tasks, collaborating with the team to ensure project milestones and deadlines are achieved.Stay updated with the latest advancements in frontend technologies and AI to discover innovative solutions for integration into our platform.QualificationsMinimum of 5 years of experience in software development, particularly focused on frontend technologies.Proficient in React and familiar with modern frontend frameworks and libraries.Solid understanding of frontend architecture, design patterns, and best practices.Experience with performance optimization and debugging tools.Strong problem-solving skills and a passion for user-centric design.

Jun 2, 2025
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virtu logo
Full-time|On-site|New York

Join virtu as a Software Engineer specializing in Desktop Frontend Development using C# and WinForms. In this role, you will collaborate with cross-functional teams to create user-friendly applications that meet the needs of our clients.

May 4, 2026
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Forge Global logo
Full-time|$174K/yr - $210K/yr|Hybrid|New York, New York, United States

At Forge, we recognize that our team is our most valuable asset. As pioneers in the private market technology sector, our mission is to create a future that offers greater opportunities for all. We embody this mission through our core values of being bold, accountable, and humble. Each day, we witness the impact of our vision as we support the teams behind the most remarkable innovations of our time, spanning from space exploration to artificial intelligence and beyond.Offering liquidity solutions, exclusive data and insights, a custody service, and a dynamic marketplace, Forge aims to establish a state-of-the-art technology infrastructure that enables a global private market that is transparent, accessible, and seamless for companies, their employees, and investors. Through our platform, employees can liquidate their private shares, companies can provide pre-IPO liquidity to their shareholders, and both individual and institutional investors can engage in the growth of private unicorns.Forge's unique global marketplace meets the increasing demand from individual and institutional investors seeking exposure to private company equities, fostering a growing network effect.Our capacity to deliver these impactful financial solutions has sparked significant interest from investors, attracted demand from clients, and created a pressing need to expand our team to serve more companies, teams, and innovators.The Role: As a Senior Software Engineer II specializing in trading engineering, you will be instrumental in delivering a high-performance trading platform that underpins the trading functionalities within the Forge Marketplace. You will identify opportunities to enhance trading products, including the integration of cutting-edge low-latency technologies, and play a key role in shaping the direction and roadmap of trading engineering initiatives.You will work closely with Product, Design, and Engineering teams to ensure smooth integration of trading technologies into products, thereby enhancing user experiences and application performance.Location: This role requires 2-3 days a week in-office in Soho, NY.

Apr 10, 2026
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Flagler Health logo
Full-time|Hybrid|NYC Office

Join Flagler Health, an innovative healthtech leader, as we redefine healthcare delivery through cutting-edge AI-driven workflow automation, remote patient engagement, and chronic care management programs. Our platform has positively impacted over 1.5 million patients, gaining the trust of healthcare providers and payers alike by enhancing efficiency, reducing costs, and fostering improved health outcomes. With a unique freemium model and a competitive edge in the rapidly evolving $4.5 trillion U.S. healthcare market, we are on a mission to transform healthcare.Key ResponsibilitiesWeb Application DevelopmentDevelop robust and scalable frontend applications utilizing Vue 3.Collaborate on real-time applications for seamless audio and SMS communication with patients.

Aug 12, 2025
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Fora logo
Full-time|On-site|New York City

About ForaFora is a revolutionary travel agency, designed to empower passionate individuals to establish successful advisory businesses. We aim to modernize the $100B+ travel agency sector by integrating cutting-edge technology, data insights, and community support, enabling thousands of entrepreneurs to thrive on our platform. Our comprehensive business-in-a-box solution equips travel advisors with state-of-the-art tools, tailored training, a vibrant community, and exclusive industry partnerships. Our mission is clear: to help the next generation of travel entrepreneurs transform their passion for travel into a rewarding career, whether full-time or part-time. We believe that anyone, from experienced professionals to aspiring advisors, can create a venture that is both profitable and fulfilling.Founded in 2021 by experienced entrepreneurs, Fora has seen significant growth, expanding to a dedicated team of over 200 full-time employees based in downtown New York City. In 2025, we proudly announced our $60 million Series B and C funding rounds, spearheaded by Thrive Capital and Insight Partners, with contributions from previous investors such as Forerunner and Heartcore Capital. Our accolades include being named a LinkedIn Top Startup 2024, Fast Company’s Most Innovative Companies in 2023 and 2025, and Built In’s Best Places to Work in 2025.We are on a mission to create the first truly integrated platform for all travel needs—leveraging the best of human expertise and technology to revolutionize how people plan and book their travel.About The RoleWe are seeking a highly experienced Senior/Staff Frontend Engineer to join our team as we continue to enhance Fora’s products and infrastructure. In this pivotal role, you will be instrumental in shaping the Advisor Experience, which is the core of the Fora Platform. Collaborating closely with Product and Design teams, the Sr. Frontend Engineer will develop our public-facing website, content and supplier systems, internal administrative tools, and external integrations. The ideal candidate will resonate with our mission and brand, be excited about our innovative solutions, and possess a strong passion for creating high-quality software.

Feb 9, 2026
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Carta logo
Full-time|On-site|San Francisco, CA; Santa Clara, CA; New York, NY

Role overview The Senior Software Engineer II for Developer Experience at Carta will design and build tools and systems that support engineering teams. The focus is on making workflows more efficient and enabling teams to deliver high-quality products. What you will do Collaborate with cross-functional groups to identify and address challenges in developer workflows Develop and enhance tools that make software development more scalable and intuitive Use software engineering skills to create solutions that improve daily life for engineers Support systems that help Carta teams deliver products aligned with client needs Location This role is based in San Francisco, CA; Santa Clara, CA; or New York, NY.

Apr 24, 2026
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Baton Corporation logo
Full-time|$500K/yr - $1.5M/yr|On-site|New York

About UsBaton Corporation is at the forefront of technology innovation, developing and maintaining the complete tech stack behind pump.fun, the leading memecoin launchpad in operation today. Our systems are engineered for low latency, high throughput, and resilience under continuous load—precision is critical to our success.Your RoleIn the position of Senior Staff Frontend Engineer, you will take a hands-on approach while guiding the technical vision of our frontend platform. You will tackle complex frontend challenges, including performance under real-world conditions, scalability in architecture, and ensuring accuracy in intricate, stateful systems.Design and enhance large-scale frontend systems using React and Next.js that cater to hundreds of thousands, expanding eventually to millions of users.Develop and steer long-term frontend architecture strategies while actively contributing to pivotal components of the system.Take ownership of performance, reliability, and accuracy across essential user interactions, encompassing rendering performance, state management, caching, and data synchronization.Lead the architecture of frontend systems capable of managing real-time updates, blockchain state transitions, and high-frequency interactions without compromising user experience.Establish scalable patterns and abstractions to facilitate rapid iteration of products without increasing systemic complexity.Drive architectural decisions in collaboration with backend and Solana engineers, defining clear client-server boundaries and data contracts.Proactively identify scaling bottlenecks and redesign systems in anticipation of constraints.Oversee multi-quarter frontend projects from inception through design to deployment, monitoring, and subsequent iterations.Enhance engineering standards by implementing thorough design reviews, performance evaluations, testing protocols, and ensuring operational readiness.Boost developer productivity by refining tools, build systems, CI/CD processes, observability, and frontend infrastructure.Act as a technical leader during critical launches or incidents impacting core user flows.

Feb 12, 2026
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Avoca logo
Full-time|On-site|New York HQ

Join Avoca as a Frontend EngineerAt Avoca, we are revolutionizing the way home service companies connect with their customers through cutting-edge AI technology. Our AI-powered conversational agents expertly manage every significant inbound call, from scheduling jobs and qualifying leads to enhancing revenue streams—all with an unmatched speed and consistency that exceeds traditional call centers.In just under two years, we have grown to a dynamic team of 85 employees, fostering a vibrant in-office culture in New York City. As we navigate the expansive $500B+ market where every missed call signifies lost opportunities, we are dedicated to creating the leading platform for AI-driven customer engagement.With a remarkable growth rate of 10x in 2025, we proudly serve the most prestigious brands in home services. Our high-performing, in-office team is poised to capture a significant and underserved market, where a staggering 85% of missed calls lead customers to competitors. Each new hire at Avoca is guaranteed to make a meaningful and visible impact.About the RoleWe are seeking a pioneering Frontend Engineer who excels at the convergence of engineering and product innovation. You will take ownership of features from inception to execution, designing, building, launching, and refining them while prioritizing customer experience and measurable results. Your contributions will directly influence how thousands of customers engage with our AI-empowered customer service platform.

Nov 17, 2025
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Sequence logo
Full-time|$180K/yr - $230K/yr|On-site|New York City

Join the Team at SequenceAs a member of Sequence, you will play a pivotal role in developing a transformative platform that empowers companies to streamline their payment processes. With over $1 billion in annual invoice processing and rapid growth, we are reshaping how modern finance teams operate by replacing outdated spreadsheets and systems with intuitive software.Our AI-driven revenue platform is trusted by high-growth companies like Cognition, incident.io, and MoonPay, managing their entire revenue cycle from quoting to billing and revenue recognition.Founded by experienced entrepreneurs, we celebrated a remarkable 10x ARR growth last year and recently secured $20 million in Series A funding, led by 645 Ventures, with participation from a16z and notable founders and CFOs from industry leaders.What It's Like to Work at SequenceWe offer a dynamic environment where a small team can make a significant impact. Enjoy the chance to work on meaningful projects, engage directly with customers, and grow alongside a rapidly scaling organization. If you aspire to do your best work in a fast-paced setting, we would love to connect with you.

Jan 29, 2026
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Ramp logo
FullTime|On-site|New York, NY (HQ)

About RampAt Ramp, we are revolutionizing the operational dynamics of contemporary finance teams in the AI era. We view AI not merely as a trend but as the cornerstone upon which modern business is built. Our commitment lies in fostering that future and empowering those who dare to shape it.Ramp is an innovative financial operations platform that streamlines processes to save businesses both time and resources. Our comprehensive solution integrates payments, corporate card management, vendor oversight, procurement, travel arrangements, and automated bookkeeping, all enhanced with intelligent features to optimize every dollar and hour spent. With over 50,000 clients, from family-run farms to e-commerce powerhouses and space startups, we have helped save $10 billion and 27.5 million hours of productive time. Established in 2019, Ramp leads as the fastest-growing corporate card and bill payment platform in the United States, facilitating over $100 billion in transactions annually.Our esteemed investors include Lightspeed Venture Partners, Thrive Capital, Sands Capital, General Catalyst, Founders Fund, Khosla Ventures, Sequoia Capital, Greylock, Redpoint, and ICONIQ, alongside more than 100 angel investors who are founders or executives of top-tier companies. The Ramp team features exceptional professionals from leading financial and fintech firms—such as Stripe, Affirm, Goldman Sachs, American Express, Mastercard, Visa, and Capital One—as well as from tech innovators like Meta, Uber, Netflix, Twitter, Dropbox, and Instacart.Ramp has earned recognition on Fast Company’s Most Innovative Companies list and LinkedIn’s Top U.S. Startups for over three consecutive years. Additionally, we've been featured in Forbes’ Cloud 100, CNBC’s Disruptor 50, and TIME Magazine’s 100 Most Influential Companies.Explore our Engineering Blog and Emerging Talent Blog for insights into our innovative culture and our path forward.

Aug 1, 2025
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Squarespace logo
Full-time|$185.5K/yr - $299K/yr|Hybrid|New York City

The Squarespace Domains Growth team is seeking an experienced Frontend Staff Software Engineer to spearhead significant initiatives and formulate the technical strategy for our platforms. We cater to millions of Domains customers—an inspiring community of dreamers, entrepreneurs, and professional users eager to establish their online identities. In this role, you will be instrumental in developing products that have a direct and measurable impact on our users' success.As a key member of the Domains Growth organization, you will contribute to building essential capabilities within the domain space. This includes creating Front Site Landing Pages for Squarespace Domains, optimizing domain search functionalities, exploring reseller opportunities, crafting pricing strategies, and enhancing cross-sell and conversion processes for both premium and expired domains. You will closely collaborate with engineering, product management, and design teams to construct systems that drive revenue growth, customer acquisition, and conversion rates. This is a hybrid role, requiring you to work from our New York City office three days a week, reporting directly to the Domains Growth Engineering Manager.

Mar 24, 2026
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Made logo
Full-time|$150K/yr - $200K/yr|On-site|New York City

About the CompanyAt Made, our mission is to empower homeowners by saving them time, money, and reducing stress. We have introduced the Made Card, a credit card tailored specifically for homeowners, offering unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a personalized home management platform where users can oversee home systems and appliances, stay proactive on maintenance, and access assistance—from AI-powered insights to on-site services—exactly when they need it.Our partnerships with major national players in the residential homeownership sector, including mortgage lenders and home service providers, integrate Made into crucial moments of the homeowner journey. This enables us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team brings extensive experience in fintech, mortgages, and credit cards from Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are building a financial and engagement platform tailored for the next generation of homeowners, centered around their needs and redefining the concept of feeling at home.

Aug 28, 2025
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Madecard logo
Full-time|$120K/yr - $160K/yr|On-site|New York City

Join Our Team as a Frontend EngineerAt Madecard, we are on a mission to empower homeowners to save time, money, and reduce stress. Our flagship product, the Made Card, is a credit card crafted specifically for homeowners, providing unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a bespoke home management platform that enables users to oversee their home systems and appliances, stay ahead of maintenance tasks, and receive assistance—ranging from AI-powered guidance to in-person services—just when they need it.By collaborating with leading national organizations in the residential homeownership sector, including mortgage lenders and home service providers, we integrate Made into crucial moments of the homeowner journey. This strategic approach allows us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team boasts extensive experience in fintech, mortgages, and credit cards from prestigious firms like Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are dedicated to building a financial and engagement platform that places homeowners at the forefront while redefining the essence of feeling at home.

Sep 28, 2025
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Stemxpert1 logo
Full-time|On-site|New York

Join our dynamic team at Stemxpert1 as a Senior Frontend Developer, where you will play a pivotal role in designing and implementing cutting-edge web applications. You will collaborate closely with cross-functional teams to enhance user experiences and ensure the seamless functionality of our platforms.

Feb 19, 2014
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Crosby logo
Full-time|On-site|New York City

Join Crosby as a Staff Frontend Engineer, where you will lead the development of innovative web applications that enhance user experiences. Collaborate with cross-functional teams to design, implement, and maintain scalable software solutions. Your role will involve mentoring junior developers, conducting code reviews, and ensuring best practices in frontend development.

Mar 31, 2026
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Canva logo
Full-time|On-site|New York

Join Canva as a Principal Frontend Engineer, where your expertise will shape the future of our platform. We seek a seasoned professional who thrives in a dynamic environment and is passionate about creating exceptional user experiences. This role requires relocation to Australia, where you will collaborate with a talented team to deliver innovative frontend solutions.

Mar 25, 2026
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Meridian logo
Full-time|On-site|New York City

Join us as a Founding Frontend Engineer at Meridian, where you will design and develop high-performance, visually captivating applications that power the future of agentic platforms.Your ResponsibilitiesTransform conceptual wireframes into outstanding user interfaces.Utilize advanced CSS techniques to create pixel-perfect and sophisticated user experiences.Enhance front-end code for optimal smoothness and responsiveness in interactions.Collaborate closely with designers and engineers to bring innovative ideas to fruition with speed and accuracy.Play a key role in shaping our product’s core architecture and establishing front-end best practices.Your Profile‍Proficient in React, Next.js, and TypeScript, with a solid grasp of state management and performance optimization.Extensive experience with Tailwind CSS or SASS/SCSS, crafting refined and visually appealing UIs.Demonstrated ability to architect and scale complex Next.js applications, leveraging features such as App Router, SSR, SSG, and ISR.Familiarity with fetch management libraries like react-query or equivalents.Hands-on experience with CSS animations, transitions, and layout techniques for creating fluid, engaging interfaces.A robust portfolio showcasing exemplary front-end development work.A strong eye for design, detail, and user experience, ensuring seamless interactions.Thrives in a fast-paced, high-performance startup environment, rapidly iterating on new ideas.

Sep 14, 2025

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