Frontend Developer at mergeapiintegrationsandbox | New York

We are looking for a talented and innovative Frontend Developer to join our enthusiastic team at mergeapiintegrationsandbox. In this pivotal role, you will be responsible for designing and implementing user-focused web interfaces that significantly improve user experience and engagement. The ideal candidate should have a solid grasp of contemporary web technologies and a fervor for developing seamless, responsive applications.

Business Analyst – Job DescriptionPosition OverviewThe Business Analyst (BA) plays a pivotal role in understanding business needs and identifying opportunities for process enhancements. This individual will translate those requirements into precise functional specifications. Collaborating with cross-functional teams including product, technology, operations, and key stakeholders, the BA will ensure that solutions strategically align with overarching business objectives.Key Responsibilities1. Requirements Gathering & AnalysisEngage with stakeholders to deeply understand business goals and challenges.Conduct comprehensive requirement-gathering sessions, workshops, interviews, and surveys.Document intricate business, functional, and non-functional requirements.Create user stories, use cases, process flows, and requirement traceability matrices.2. Process & Data AnalysisAnalyze existing business processes to identify inefficiencies and gaps.Perform root-cause analysis and propose actionable process improvements.Collaborate with data teams to interpret trends and derive performance insights.Develop dashboards, KPIs, and reporting frameworks as required.3. Solution Design & DocumentationWork alongside product and technical teams to design optimal solutions.Prepare Business Requirement Documents (BRDs), Functional Requirement Documents (FRDs), and workflow diagrams.Validate solutions through structured user acceptance testing (UAT) planning and execution.Ensure alignment between business requirements and technical implementation.4. Stakeholder ManagementAct as a liaison between business and technical teams.Clearly communicate requirements, project updates, and status consistently.Prioritize requirements based on their business value and feasibility.5. Project SupportAssist in project planning, scope definition, and estimation of timelines.Monitor deliverables to ensure adherence to project schedules.Provide post-implementation support, training, and documentation.

Join our dynamic team as a React.js Developer! We are seeking an innovative and skilled developer to design and implement high-performance, scalable web applications that deliver exceptional user experiences. The ideal candidate will have robust experience with modern JavaScript frameworks, particularly React.js, and a strong understanding of frontend development best practices.

Join the dynamic team at Merge API Integration Sandbox as an Application Developer. In this role, you'll be responsible for designing, developing, and maintaining innovative applications that enhance user experience and streamline operations. Collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Join our dynamic team at mergeapiintegrationsandbox as a Data Scientist. In this role, you will leverage your analytical skills to dissect complex datasets, develop predictive models, and provide actionable insights that drive business success. We are looking for a candidate who possesses a robust statistical background, practical machine learning experience, and a keen interest in resolving tangible business challenges through data.

Join our dynamic team at jobsforhumanity as a Frontend Developer! We are looking for a talented individual with a passion for crafting outstanding user experiences. In this role, you will collaborate with designers and backend developers to create visually stunning and highly functional web applications.Your creativity and technical skills will contribute to the development of innovative solutions that empower individuals and communities. If you thrive in a fast-paced environment and are eager to make a difference, we want to hear from you!

Join our dynamic team at stemxpert1 as a Senior Frontend Developer. In this role, you will be responsible for designing and implementing user-friendly web applications using cutting-edge technologies. Your expertise will help us enhance our digital presence and deliver exceptional user experiences.

Join Omen as a Frontend Web Developer and spearhead our web development initiatives, crafting innovative products from concept to launch. Collaborate closely with cross-disciplinary teams including design, product management, and internal platforms to deliver impactful features within dynamic product teams.As an integral member of our Genesis team, you'll contribute to developing a world-class tokenization and fund administration experience for Omen Genesis.Your ResponsibilitiesDevelop high-quality, performant web applications using React, TypeScript, and CSS-in-JS.Embrace ownership of features from design through implementation, serving as the web development expert.Enhance tools that streamline Omen's operations, wielding influence across the organization.Work in tandem with design and product professionals to quickly iterate and launch financial products.Create frameworks and abstractions that significantly empower fellow developers.Engage in backend development using TypeScript and AWS when necessary.Your QualificationsMinimum of 2 years of professional experience with modern web technologies and frameworks.Proficient in writing and debugging JavaScript in both Node.js and browser environments.Passionate about creating an exceptional developer experience.Demonstrated success in leading and delivering large-scale technical projects.Consistently uphold high standards for code quality, advocate for best testing practices, and enhance code review processes.Highly Preferred: Strong backend experience and knowledge, particularly in system design and high-performance backend systems, with familiarity in cloud interactions (potential for a full-stack role).

Join our dynamic team as a Frontend Developer, where you will be responsible for crafting engaging and responsive user interfaces. Your expertise in UI/UX and robust JavaScript skills will be vital as you thrive in our fast-paced collaborative environment.Key ResponsibilitiesDesign and develop modern, responsive, and user-friendly web interfaces.Convert UI/UX designs and wireframes into high-quality, maintainable code.Work closely with designers, backend developers, and product teams to deliver seamless applications.Enhance performance, speed, and scalability of applications.Ensure consistent application functionality across various browsers and devices.Implement reusable components, design systems, and establish best practices.Troubleshoot and debug UI issues, while enhancing existing features.Engage in code reviews and contribute to continuous improvement efforts.

Join Our Innovative TeamAt Graphite, we are revolutionizing the code review process and shaping the future of high-quality software development. Our philosophy hinges on the belief that exceptional craftsmanship comes from collaboration. This guiding principle informs everything we create and how we operate.If you are passionate about the next wave of software development, now is the perfect time to make a significant impact in your career with us.Our culture prioritizes people, values scientific and artistic approaches, fosters disciplined ambition, and promotes ownership—both through equity and the responsibilities you'll hold within our growing team. Outside of work, you can find us enjoying espresso, making music, or practicing yoga. We’re excited to see what you can bring to our vibrant environment!About the RoleAs Graphite continues to expand, we are in search of a Senior Frontend Engineer to guide our technical vision and direction.Transforming the way agile engineering teams write and review code is a formidable challenge, and we believe that the best solutions arise from the collaboration of talented, driven, and diverse individuals.Your ResponsibilitiesCollaborate with our team to develop a real-time, interactive code review platform enriched with social features.Contribute to establishing the technical trajectory of Graphite.Mentor fellow engineers and assist in building a scalable 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.

Join Spotify as a Frontend Engineer II and contribute to our innovative music platform. As a key member of our engineering team, you will work on building engaging user interfaces that enhance the music listening experience for millions of users worldwide. You will collaborate closely with product managers, designers, and other engineers to develop high-quality software solutions.

Join the Future of Legal Services with Crosby!At Crosby, we are revolutionizing the legal landscape. Our innovative team of technologists and legal experts is dedicated to transforming corporate legal services through cutting-edge technology and collaborative workflows. Our goal is to streamline the review of complex documents, enhancing speed and quality in the legal profession.Founded by Ryan (Penn, Stanford Law, former Cooley attorney, and GC) and John (Penn M&T, ex-Ramp, and ex-Google), Crosby is built on the belief that:A robust legal system is fundamental to a prosperous society.Legal practice merges art and science; we aim to define this balance by systematizing the process while enhancing human judgment where it matters.True AI application in law is about delivering outcomes, focusing on quality legal work executed efficiently.We thrive on an in-person culture at our NYC headquarters.The Opportunity:As our Founding Frontend Engineer, you will spearhead the user experience for the Crosby platform. Your mission will be to craft visually appealing, user-friendly, and highly functional interfaces that enable our legal team to operate with unmatched efficiency. Collaborating closely with our founders, product team, and legal professionals, you'll transform intricate workflows into seamless user experiences. This is an unprecedented opportunity to build our frontend architecture from the ground up, create our design system, and set the benchmark for quality and performance.Your Responsibilities:Frontend Architecture: Develop the core frontend of the Crosby platform utilizing modern frameworks such as React, Vite, and TanStack.User Experience Design: Design and implement high-performance user interfaces tailored for complex, data-rich legal workflows.Rapid Prototyping: Collaborate with product and our in-house legal team to swiftly prototype and refine user-facing features.Codebase Foundation: Establish a sustainable frontend codebase, which includes a comprehensive component library and design system.Collaborative Development: Coordinate with backend engineers to design and implement APIs that ensure a cohesive user experience.Team Growth: Contribute to building and mentoring our engineering team.

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.

Job OverviewJoin our dynamic team at Fauna Robotics as a Frontend Engineer, where you will play a pivotal role in developing user-friendly interfaces that allow seamless interaction with our advanced robotic systems. Your focus will be on crafting both web and mobile applications that enhance user control, offer insightful data visualizations, and build internal tools that streamline our operations. Your contributions will directly influence the experience of our operators, researchers, and clients.In this innovative position, you will confront exciting challenges that blend frontend development with cutting-edge robotics. Your work will involve real-time data visualization and the creation of responsive controls that meet stringent latency demands. Although our current interfaces are predominantly web-based, we have aspirations to extend into native mobile applications as our company expands.

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.

Are you excited to be a part of a dynamic team that is shaping the future of decision-making? At Verneek, a pioneering deep-tech AI startup, we are on a mission to create the most valuable AI experiences for consumers. We believe in the transformative power of AI to enhance knowledge and deliver insights to individuals across the globe. Join us and be at the forefront of the AI revolution!If you are seeking to break free from monotonous projects and wish to immerse yourself in a vibrant startup environment where you can innovate, learn, and make an impact every day, Verneek offers the ideal opportunity. As a Frontend Engineer, you will be instrumental in developing intricate AI and NLP models that drive our AI platform.At Verneek, you will tackle unique, complex, and socially significant challenges. Being an early-stage startup, we are unencumbered by legacy systems, allowing your contributions to have a direct effect on our company’s success.

About TruelogicTruelogic is a premier provider of nearshore staff augmentation services, based in New York. With over 20 years of experience, we have successfully delivered exceptional technology solutions to a diverse array of clients, from cutting-edge startups to established industry leaders, empowering them to realize their digital transformation ambitions.Our dedicated team of over 600 skilled technology professionals drives digital innovation by collaborating with U.S. companies on their most significant projects. Whether working alongside Fortune 500 corporations or scaling startups, we focus on delivering impactful results.By applying for this role, you will take the first step toward joining a vibrant team that values your expertise and career aspirations. We strive to align your talents with opportunities that promote outstanding career growth and success while contributing to projects that are shaping the future.Our ClientOur client is revolutionizing the hotel guest experience by providing day access to luxury hotel amenities, such as stunning pools, private beaches, and luxurious spas, allowing locals to indulge without leaving the city. If you are inspired to contribute to this vision, we would love your assistance.Our expanding team of tech and hospitality innovators has partnered with over 1,500 top hotels and resorts.Job SummaryWe are seeking a skilled Frontend Engineer to join our Hotels team, which is dedicated to ensuring the success of our resort partners in the marketplace by equipping them with effective management tools for their offerings. This team also develops products that enhance the guest experience upon arrival at the property. You will collaborate closely with cross-functional partners in Product, Design, and Data to create high-performing products that delight our customers and resort partners, exceeding both site metrics and business KPIs.The ideal candidate should be located in or around the NYC area, as this position requires in-person attendance at our NYC headquarters four days a week.

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.

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we specialize in creating a comprehensive platform for developing, training, and deploying AI systems, aimed at seamlessly transitioning ideas from research to practical applications.Our recent merger with Voltage Park, a neocloud and AI Factory, enhances our capabilities by merging developer-centric software with cost-effective, large-scale computing solutions. Our tools empower teams to experiment, train, and implement production inferences, all while ensuring built-in security, observability, and control.We cater to individual researchers, startups, and established enterprises alike. Lightning AI operates on a global scale with offices located in New York City, San Francisco, Seattle, and London, and is supported by esteemed investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and accuracy, breaking down complex challenges into manageable tasks.Focus: We tackle one goal at a time with diligence, working collaboratively to deliver features with precision.Balance: We believe sustained performance is rooted in a healthy work-life balance, ensuring your productivity and well-being.Craftsmanship: Excellence drives our innovation, as we take pride in mastering every detail of our work.Minimal: We simplify processes through discipline, focusing on what truly matters to facilitate innovation.What We’re Looking ForWe seek a dedicated frontend engineer to enhance and scale the user interface and frontend architecture of the Lightning AI platform. You will take charge of key features, driving development from concept to completion while collaborating with a talented team of engineers, product managers, and designers. Your work will span from initial proof of concept to final release, with an emphasis on speed, quality, and iterative improvement.With over 10,000 organizations utilizing Lightning, you will have a remarkable opportunity to influence how the world builds and deploys AI in production settings.This hybrid role is based in our New York City office, with an in-office requirement of two days per week. The salary range for this role is $120,000 - $250,000.