Senior Frontend Developer

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.

Join our dynamic team as a Senior Frontend Developer specializing in React! We are seeking an experienced Frontend Engineer who is passionate about coding and thrives on tackling unique challenges within a collaborative environment. As a pivotal member of our compact frontend development team, you will play a crucial role in making technical decisions that shape our projects.Your responsibilities will include building and maintaining frontend architecture, collaborating with cross-functional teams to develop and optimize customer-facing features, and creating high-performance libraries and components. If you possess experience with Scrum and can lead a small group of developers, that's a significant advantage.We are particularly keen on candidates who identify as 'uber developers'—those versatile individuals who can contribute across multiple domains, including software architecture and mentoring junior developers. Your ability to guide and support your teammates will be invaluable in this role.

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 our dynamic team as a Senior Frontend Developer and lead our frontend engineering efforts with your expertise in React. As a pivotal member of our compact development team, you will influence significant technical decisions while collaborating with fellow developers to create impactful products. If you have a passion for coding, API development, and tackling unique challenges, we encourage you to apply.Experience with Scrum methodologies and the ability to lead a small developer group will be highly valued.If you consider yourself an ‘uber developer’—a versatile individual with a broad skill set—your application will take priority. This role requires not only development capabilities but also software architecture insights, guiding junior developers, and conducting code reviews, mentoring, and training.Key Technologies:• JavaScript• React• Redux• NodeYour Responsibilities:• Build and maintain frontend architecture• Collaborate with backend engineers, product managers, and design teams to develop, test, and deploy code• Create innovative features for our users• Optimize web pages for maximum speed and performance• Address problems creatively and effectively• Facilitate architectural discussions and foster consensus among team members• Promote best practices, collaboration, and continuous improvement• Diagnose and rectify bugs and performance bottlenecks• Write automated tests to ensure high-quality product delivery• Mentor and develop your teammatesWhat You’ll Need:• Extensive experience with React or React Native in medium to large-scale applications• Proven experience in mentoring engineers and establishing team best practices• Proficiency in writing clean, well-tested TypeScript code• A commitment to collaboration, integrity, and team growth• Strong verbal and written communication skills.

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.

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.

Join Ramp as a Senior Software Engineer on our dynamic GTM Platform team, where you will play a pivotal role in shaping our frontend architecture and enhancing user experiences. You will collaborate with cross-functional teams to deliver scalable and high-performance web applications that drive our business objectives.

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.

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 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.

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.

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 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.

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!

Senior Frontend EngineerLocation: New YorkOn-site | Full-timeCompensation: CompetitiveJoin our client, a leading technology development firm at the forefront of digital asset innovation. This organization is renowned for constructing and managing the essential infrastructure that powers the world's busiest digital asset launchpads. Their systems are designed for low latency, high throughput, and the capability to handle extensive concurrent loads. In this critical environment, technical precision is vital; the frontend systems must maintain resilience and performance amidst hundreds of thousands of active users.We are seeking a Senior Frontend Engineer to spearhead the design and evolution of large-scale frontend architecture. This role is hands-on and high-impact, concentrating on the development of fast, reliable, and maintainable user-facing systems. The selected candidate will be part of an elite team in a fast-paced environment where high expectations and immediate results are the norm.Key ResponsibilitiesSystem Architecture: Design and enhance large-scale frontend systems using React and Next.js, ensuring performance and scalability for a vast global audience.Performance & Reliability: Own the performance, reliability, and correctness across critical user flows, including rendering optimization, complex state management, and efficient data fetching.Pattern Design: Create frontend abstractions and architectural patterns that effectively scale with increasing product complexity.Boundary Definition: Collaborate with backend and Solana engineers to define efficient client-server interfaces and data synchronization strategies.End-to-End Leadership: Manage complex frontend projects from initial design to implementation, deployment, and iterative improvements.Quality & Standards: Uphold high standards for code quality, thorough testing, and operational readiness across the frontend codebase.Mentorship: Provide mentorship and support to other frontend engineers through design reviews, pairing, and direct technical guidance.Interview ProcessRecruiter / HR Call: Initial screening to discuss professional background and cultural fit.Technical Interview: In-depth assessment of frontend architecture, React internals, and performance optimization techniques.Final Interview: Comprehensive discussion focusing on strategic vision, leadership skills, and role expectations.

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.

Join a Transformative Team at PalantirAt Palantir, we create cutting-edge software that empowers organizations to harness the power of data for impactful decision-making. Our innovative platforms help partners in various fields, from pharmaceuticals to public safety, make informed choices that lead to lifesaving outcomes and efficient operations.About the OpportunityIf you are driven by the pursuit of engineering excellence and have a passion for boosting the productivity of your fellow developers, this role is for you!As a Software Engineer specializing in Frontend Developer Productivity, you will collaborate within our Frontend Infrastructure team to identify, design, and implement strategies that enhance engineering velocity and elevate the quality of our software.Our team oversees the entire frontend development ecosystem, ensuring seamless integration from the developer experience in the IDE to the end-user experience in the browser. We are tasked with:• Developing and optimizing the build and CI systems for a large-scale frontend monorepo comprising millions of lines of code and supporting hundreds of active developers.• Creating essential infrastructure for frontend development, including feature flags, internationalization support, and commit previews.• Building a GraphQL API for efficient declarative data loading that integrates multiple underlying services.• Contributing to Blueprint, our open-source UI framework, utilized by Palantir applications and developers globally.• Developing various tools and VSCode extensions that enhance the developer experience across the organization.With an ambitious roadmap ahead, this role offers you the chance to significantly impact application development at Palantir.

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.

Join our innovative team at Kira Systems as a Senior Frontend Software Engineer. In this role, you will be responsible for designing and implementing cutting-edge user interfaces that enhance user experience and drive engagement. You will collaborate closely with product managers and other engineers to build scalable applications that meet the needs of our clients.