Senior Frontend Engineer (React) - Innovative Tech Solutions

The Atlas Growth team is a dedicated group of cloud engineers committed to supporting our customers throughout their application development journey. We handle everything from cluster configuration and data modeling to load testing and managing production workloads at scale. Utilizing our proprietary experiments platform, we validate new features rapidly, ensuring that we only release enhancements that benefit our users. Our engineers collaborate in cross-functional squads consisting of product, design, analytics, and research teams, all focused on achieving specific performance metrics such as retention.Atlas Growth 2 is responsible for creating customer-facing features within the Atlas platform and works alongside other teams within the Growth engineering division. Recent initiatives have included developing an AI Chatbot for cluster creation, implementing a recommendation system for improved database performance, and designing a pricing page optimized for conversion rates.This role is based in our New York City office and supports both our Flexible and In-Office working models.

About MercivMerciv is an innovative startup specializing in AI and data analytics, committed to revolutionizing the way businesses leverage strategic intelligence. Our goal is to empower organizations to effectively utilize data, derive actionable insights, and make informed strategic decisions through state-of-the-art AI pipelines and adaptive forecasting tools.Imagine a future where every business decision is backed by timely and relevant data, blending AI capabilities with human intuition. Our technology:Integrates varied data sources into a unified intelligence layerEnhances human decision-making through autonomous AI analysisReveals insights and opportunities overlooked by conventional toolsPredicts outcomes and assists teams in managing uncertainty with clarityEmpowers organizations to proactively shape their marketsWe are dedicated to creating solutions that are not only powerful and scalable but also remarkably intuitive, enabling teams across the organization to utilize them effectively, beyond just the data specialists. Having secured $14M in seed funding, we are building a robust team centered around a strong engineering culture and are set to launch publicly after nearly two years in stealth mode.About the TeamOur team is developing an agentic AI platform that is transforming how enterprises engage with data. Merciv seamlessly connects an organization’s entire data ecosystem with external data sources—such as social media trends, industry reports, and consumer behavior signals—to unveil insights and automate workflows that previously consumed analysts’ weeks.We prioritize making powerful tools feel accessible and simple. Each feature should be intuitive, and every component must be interactive. We aspire for users to open Merciv and feel instantly empowered to achieve more than before.Our nimble, agile team flourishes on innovation and independence. With a small enough team that every member takes genuine ownership, we utilize a Directly Responsible Individual (DRI) model—enabling you to own significant product features from inception to launch, rather than merely contributing to them. You will wear multiple hats, and that’s by design.Our work environment fosters creativity and cutting-edge technology, designed for those keen on shaping the future of human-AI collaboration. If you’re enthusiastic about joining a dynamic, innovative startup culture and making a substantial impact on client businesses, Merciv is your ideal workplace. Join us as we broaden the scope of retail intelligence and deliver unmatched value to our clients.

aescape seeks a Senior Frontend Engineer to join the team in the NYC/Metro area. The focus is on creating web applications and interfaces that are both practical and easy to use. Collaboration is central, with engineers and designers working side by side to deliver results that work for real users. Role overview Build and maintain frontend features for aescape’s web applications Partner with engineers and designers to develop user-friendly interfaces Share ideas and feedback to help improve the overall user experience Location This position is based in New York City or the surrounding metro area.

Graphite builds tools for software engineering teams, helping them deliver products quickly and confidently. Our focus is on making code review smoother and more effective for modern teams. About Graphite Our platform offers code review solutions that support rapid development cycles. Engineers use Graphite to create and review smaller pull requests, which keeps work moving and helps teams ship faster. The system syncs code changes and reviews seamlessly, so teams can adopt it without overhauling their entire workflow. Graphite’s roots come from the founders’ experience with internal code review tools at Facebook and Google. We aim to bring that level of workflow efficiency to every engineering team, enabling small, incremental changes and fast approvals. We value collaboration, craftsmanship, and a sense of ownership. Our team combines scientific thinking with practical ambition, and we encourage everyone to contribute both in their work and to our culture. Outside of coding, the team enjoys activities like brewing espresso, making music, and practicing yoga. Role Overview: Lead Senior Frontend Engineer This role is based in New York City, New York. Graphite is growing quickly and looking for a Senior Frontend Engineer to help set our technical direction. The work involves building tools that change how agile engineering teams write and review code every day. We believe that strong solutions come from teams with a range of backgrounds and perspectives working together. What You Will Do Work closely with the team to build a real-time, interactive code review platform with social features. Help define the technical direction for the company’s frontend architecture. Mentor engineers and support the development of a scalable, maintainable codebase.

About RilletAt Rillet, we empower accounting and finance teams to enhance their operational efficiency. Our clients are the financial strategists of their organizations, and our mission is to provide them with tools that deliver unparalleled speed, accuracy, and insights.Rillet is an innovative AI-driven ERP solution designed to facilitate rapid financial closures. What sets us apart is our cohesive data model, extensive range of seamless integrations (including Stripe, Ramp, Salesforce), automated workflows that are both efficient and auditable, and our growing suite of specialized AI agents that tackle various financial tasks. We take pride in maintaining a perfect customer satisfaction score. High-growth companies such as Mercer, Windsurf, and Function Health appreciate our ability to scale alongside their financial infrastructure.With significant backing of $100M from top-tier investors including Sequoia, a16z, Iconiq, Oak HC/FT, and First Round, we are poised to revolutionize financial operations.Our CultureRillet is a fast-paced environment where intelligence is essential. To thrive here, one must exhibit remarkable agility, proactivity, and adaptability.Successful team members at Rillet take initiative, internalize our mission, devise innovative strategies, and deliver superior results that surpass expectations.Our work is customer-centric, and we seek individuals who take pride in delivering high-impact solutions, even when they diverge from the initial plan.While accounting experience is not mandatory, a genuine appreciation for how our solutions empower our clients is crucial. Our team members are passionate about enhancing the financial backbone of the most dynamic companies around the globe.Position OverviewWe are in search of a skilled Senior Frontend Engineer to enhance the user interface of Rillet's cutting-edge accounting and finance software. In this role, you will collaborate with our CTO, product team, and designers to create user-friendly, high-performance interfaces that finance professionals will love to utilize.We value in-person collaboration and prefer candidates who are within commuting distance of our New York City or San Francisco offices, or those willing to relocate. Our team members are expected to work in the office on Tuesdays and Thursdays, along with one additional flexible in-office day. Some roles may necessitate more in-office presence based on specific functions.

Role Overview Sigma Computing builds a high-performance platform designed to make data accessible to a broad range of users. The engineering team is growing in New York City, NY, and is looking for a Senior Frontend Software Engineer to help shape the future of the product. This role works with a skilled group of engineers focused on delivering technology that simplifies complex data for businesses. What You Will Do Design and implement advanced, responsive user interfaces using modern front-end technologies. Take ownership of major product features, guiding them from initial concept through launch. Work closely with product managers, UX designers, and backend engineers to build features that improve usability for non-technical users. Apply front-end development expertise to create innovative data visualizations for both structured and unstructured data. Develop techniques that improve application performance and interactivity. Use frameworks and tools such as React, GraphQL, TypeScript, and Node.js in daily work.

About HyphaHypha is an innovative AI-driven platform that is revolutionizing asset management throughout its entire lifecycle—covering acquisition, management, and exit strategies. With a specialized focus on healthcare facilities and multifamily real estate, we are transforming the industry through three fundamental pillars:Observability: Delivering real-time insights into asset performance, deal progression, and market dynamics for all stakeholders involved.Intelligence: Facilitating AI-enhanced optimization across multiple dimensions, including risk assessments, tax strategies, and performance benchmarking.Orchestration: Establishing seamless workflows and a unified source of truth to eradicate inefficiencies.Role OverviewIn the capacity of a Senior / Staff Frontend Engineer at Hypha, you will take ownership of the user experience layer of our platform. You will create interfaces that allow users to navigate through intricate financial data, AI-extracted entities, document viewers, dashboards, and conversational search functionalities. Collaborating closely with product and design teams, you will convert intricate workflows into interfaces that are intuitive, swift, and user-friendly.This position emphasizes both the art of frontend development and the architecture behind it. You will lead the charge in developing high-quality user interfaces, influence interaction patterns across our platform, and make critical decisions regarding component architecture, performance, state management, and frontend scalability. Your objective is to simplify complex data and AI-driven workflows while defining standards and systems that maintain frontend speed, cohesiveness, and maintainability as Hypha continues to grow.This opportunity is tailored for senior and staff-level frontend engineers with extensive experience in crafting polished, high-performance product experiences and shaping frontend architecture in a production environment. Compensation will be commensurate with experience, technical expertise, and scope of responsibility.

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.

Noise Labs develops a real-time marketplace where attention becomes a measurable and tradable asset. The platform serves individuals and organizations seeking clearer ways to quantify and exchange attention, aiming to redefine how relevance is tracked as digital trends evolve. The team operates from a SoHo office in New York City and numbers just 10 people. While based in NYC, the group welcomes remote collaboration for the right candidate. Role overview This Senior Frontend Software Engineer position calls for someone who writes clean, effective code and cares about design quality. The work centers on translating user needs into products that stand out for both usability and visual appeal. What you will do Build and refine frontend features for a platform focused on measuring and trading attention Work closely with a small team to deliver products that align with user needs Balance technical implementation with design considerations Requirements Strong frontend development skills Sensitivity to design and user experience Ability to collaborate in a small, agile team Comfort working from New York City or remotely

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.

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.

Join our innovative team at hifi as a Frontend Software Engineer, where you will play a critical role in developing cutting-edge web applications. You will collaborate with designers and backend engineers to create seamless user experiences and responsive interfaces that meet the needs of our clients.

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.

Join Grow Therapy as a Web Frontend Engineer and be part of a dynamic team committed to enhancing mental health support through innovative technology. In this role, you will design and implement user-friendly web applications that elevate the user experience for clients and therapists alike.

Join Airgoods as a Frontend Software EngineerAirgoods is revolutionizing food and beverage distribution.We empower emerging brands, such as Fishwife, Ghia, and David Protein, to grow their wholesale business and secure placements in the nation’s premier specialty food retailers.Founded in January 2023, we have successfully raised $7M from esteemed investors including Y Combinator and Initialized Capital. Our team operates fully in-person, with our office located near Madison Square Park in New York City. Meet Your Future TeamPaolo (Co-founder and CTO): A Yale alum with a background in Computer Science and Economics, Paolo has previously engineered software at his brother’s startup Momence (YC S20) and is a sports enthusiast.Elian (Co-founder and COO): Another Yale graduate, Elian brings experience from his time at a VC fund and a passion for soccer.Aaron (Co-founder and CEO): With a strong background in economics and experience in wholesale distribution, Aaron is committed to driving Airgoods' vision forward.Join us and work alongside our talented engineering team to shape the future of food distribution.

About the RoleAt Sigma, we are revolutionizing the way organizations operate by providing a robust platform built on modern data architecture. Our engineering team is expanding, and we are seeking passionate engineers who thrive on tackling complex challenges and delivering powerful solutions across our technology stack. Join a skilled team dedicated to making data accessible to all users effortlessly.Your ResponsibilitiesCraft sophisticated and responsive user interfaces utilizing cutting-edge front-end technologies, taking ownership of significant product components from conception through launch.Collaborate closely with product management, UX design, and backend development teams to create innovative features that enhance our product experience and simplify usability for non-technical users.Apply your front-end development expertise to create unique visualizations for both structured and unstructured data while developing techniques to enhance application performance and interactivity.Utilize modern front-end frameworks such as React, GraphQL, TypeScript, and Node.js.Required QualificationsOver 10 years of experience in developing and maintaining high-quality software solutions.A keen eye for design and a strong commitment to building exceptional products that deliver outstanding user experiences.Proficiency in balancing functionality with delivery speed to maximize customer value while iterating based on feedback and strategic priorities.A collaborative spirit with a desire to enjoy work while taking pride in ownership of your contributions.A strong sense of craftsmanship and an intellectual curiosity to tackle various challenges at Sigma.Solid foundation in computer science principles.Preferred Qualifications (and skills you'll gain!)Experience in developing software capabilities for analyzing large-scale data-driven web applications.Previous experience within a rapidly growing organization, addressing technical challenges to facilitate ongoing success.

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.

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.

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.