Fullstack Software Engineer With Frontend Focus jobs in New York – Browse 3,945 openings on RoboApply Jobs

Fullstack Software Engineer With Frontend Focus jobs in New York

Open roles matching “Fullstack Software Engineer With Frontend Focus” with location signals for New York. 3,945 active listings on RoboApply Jobs.

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companyArtemis Analytics logo
Full-time|On-site|New York Office

About ArtemisAt Artemis, we are at the forefront of a transformative shift where traditional finance is seamlessly integrating with digital finance. As a leader in this space, we are building an open data platform that consolidates and standardizes crucial metrics for blockchains, tokens, and stablecoins.Our solutions are trusted by industry giants such as Visa, Circle, Tether, Grayscale, and Franklin Templeton, and our mission is to empower individuals globally to become world-class investors in digital finance.Who We AreInspired by the resilience and determination of explorers like Ernest Shackleton, we are a dedicated team of professionals from diverse backgrounds including traditional finance and crypto. Our culture is founded on passion, mental fortitude, and the drive to tackle challenging problems. Join us if you're ready to make an impact!

Aug 13, 2025
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companyMaybern logo
Full-time|On-site|New York Office

About UsAt Maybern, we are revolutionizing the fund management landscape for private fund managers through innovative technology solutions. Founded by industry-leading engineering experts, our focus is on delivering exceptional software tailored to the needs of the fund management sector.With private funds managing over $15 trillion in capital and experiencing a remarkable 20% year-over-year growth, there is an increasing demand for top-tier software that addresses regulatory challenges and enhances transparency for CFOs.Maybern is dedicated to equipping investment managers with user-friendly and adaptable fund management software, allowing them to concentrate on their primary goal: maximizing investor returns. We are proud to be supported by prominent venture capital firms and a diverse array of strategic investors.Based in New York City, Maybern fosters a collaborative in-office culture and is eager to welcome talented individuals to our team.

Jan 12, 2026
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company
Full-time|On-site|New York City

At Atrix, we believe that breakthrough medicines begin with extensive research, vast amounts of data, and critical decisions made by leading medical teams within the foremost biopharma laboratories. These pivotal decisions dictate which treatments become available, how they are promoted to healthcare providers, and ultimately, when patients gain access to life-saving therapies.We stand at a transformative juncture. The rise of AI-driven drug discovery, precision medicine, and a surge of real-world evidence have broadened the horizons of what is achievable. Yet, the teams dedicated to translating scientific advancements into patient access are overwhelmed by unmanageable data.Our tools must evolve to meet the urgency of the moment. Atrix is pioneering AI solutions tailored for life sciences, ensuring the precision and rigor that biopharma demands.Currently collaborating with top-tier pharmaceutical companies, we are rapidly scaling our efforts, all with the singular goal of ensuring that the right treatments reach the right patients sooner.Role OverviewAs a founding member of our engineering team, you will play a crucial role in developing the Atrix AI-native platform. You will design and implement features that simplify intricate healthcare and AI workflows, crafting intuitive and user-friendly interfaces trusted by scientific, medical, and commercial teams across leading pharmaceutical organizations.From creating thoughtful front-end user experiences to building resilient backend systems, you will connect our AI core with tangible customer challenges, addressing issues that significantly enhance patient care.We are in the process of constructing a modular, intelligent platform that integrates with customer-approved data sources, transforms chaotic and unstructured data through cutting-edge AI, and delivers structured, actionable insights that facilitate decision-making in regulated environments.Your contributions will be actively utilized by medical, clinical, and commercial teams making critical decisions every day.You will encounter complex engineering challenges in the following areas:Performance — Handling extensive datasets simultaneously.Security & Privacy — Managing sensitive customer data with utmost trust.Explainability — Ensuring AI outputs are verifiable and traceable.Composable UI/UX — Designing adaptable interfaces for diverse applications, from chat interfaces to dashboards and spreadsheets.Join us in revolutionizing patient access and driving meaningful change in healthcare.

Jul 14, 2025
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companyClay logo
Full-time|On-site|New York

About ClayAt Clay, our mission is to empower organizations to transform their growth aspirations into tangible successes.We believe that growth is a creative endeavor rather than a mere formula. Identifying and engaging your ideal customers necessitates innovative thinking and ongoing refinement. In a landscape where AI accelerates execution and makes strategies easily replicable, creativity stands as the ultimate differentiator. We proudly support a diverse array of clients — including Anthropic, Notion, Google, and Ramp — in their market journeys through unique data insights, signals, and AI-driven research.In 2025, we achieved a remarkable milestone of $100M in revenue and secured a $100M Series C at a $5B valuation, supported by top-tier investors such as Sequoia, CapitalG, and First Round. Our commitment to our stakeholders is evident as we completed our second employee tender offer and initiated a community equity round for our customers, agency partners, and club members.Here are some key insights about our organization:Our community comprises over 11,000 customers, 150+ integration partners, 125+ agencies, 50+ Clay clubs, and 30,000 members on Slack.Our unique culture fosters creativity both in and outside of work. Our team is comprised of DJs, activists, writers, clowns, marathon runners, skydivers, psychedelic therapists, social workers, and much more.All employees have access to complimentary sessions with world-class coaches specializing in creativity, management, and other fields.Our operating principles — including negative maintenance and non-attached action — inform our workflow. Discover more about them here.For more insights about our company, check out our feature in the New York Times.

Nov 21, 2025
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companyClarion logo
Full-time|On-site|NYC Office

About ClarionAt Clarion, we're transforming communication in healthcare through cutting-edge AI technology.Currently, clinics are missing 30–40% of patient calls, while their staff faces overwhelming administrative burdens. We envision a future where AI agents manage workflows like scheduling, billing, prescription refills, and follow-ups, allowing healthcare teams to prioritize patient care.We are developing the essential communication framework that modern healthcare demands. Our AI agents not only respond to calls—they complete entire workflows, ensuring that patients are always heard. To date, we've facilitated hundreds of thousands of patient interactions across various virtual care providers, healthcare systems, and a $5B health insurance company.Founded by a physician with training from Stanford and Harvard (part of the founding team at Two Chairs and Ophelia) and an ex-Amazon Alexa engineer who led AI/ML initiatives at Salesforce, we have secured $5.4M in funding from notable investors including Accel, Y Combinator, Sequoia (Scout), and prominent healthcare entrepreneurs. Our team operates in-person in New York, moving swiftly to tackle one of healthcare's most pressing challenges.Why This Role Is UniqueOwnership of high-impact projects: You'll be responsible for significant features and systems that are actively used in real healthcare settings.Early traction and strong signal: With numerous paying customers and increasing revenue, you'll have the opportunity to influence critical product decisions.Learn from industry leaders: Collaborate closely with founders and experienced engineers who work at the nexus of healthcare, AI, and real-time systems.Your ResponsibilitiesDevelop and maintain full-stack features that drive AI-enhanced healthcare communication.Integrate with EHRs, legacy healthcare systems, and real-time voice infrastructure.Work collaboratively with product, design, and senior engineers to turn customer feedback into deliverable software.Enhance reliability, performance, and scalability across active systems.Engage in technical discussions, code reviews, and contribute to the evolution of engineering best practices.Technical Challenges Awaiting YouAI-driven workflows: Support and expand LLM-based systems utilized in real-time healthcare interactions.Real-time systems: Contribute to low-latency services that provide seamless healthcare experiences.

Jan 26, 2026
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companyGreenboard logo
Full-time|On-site|New York City

About GreenboardAt Greenboard, we are pioneering the future of financial compliance. Our unified, AI-driven compliance operating system serves registered investment advisors (RIAs), fintechs, private funds, hedge funds, and beyond, replacing the disjointed array of legacy tools and automating processes beyond previous capabilities. By centralizing data and streamlining workflows, Greenboard empowers firms to mitigate regulatory risks, simplify their technology infrastructure, modernize compliance operations, and achieve cost savings.Our founding team consists of engineers who have successfully scaled products at industry giants such as Amazon and Google, as well as at several unicorn startups. Supported by esteemed investors including Y Combinator, General Catalyst, and Base10, we have raised over $20 million to date. Renowned financial institutions already trust Greenboard, and our growth trajectory is rapidly accelerating.About the Role:As a pivotal member of our engineering team, you will tackle complex technical challenges ranging from building AI agents for insider trading detection to scaling messaging archiving systems capable of processing tens of millions of messages daily. You will collaborate with a team of world-class engineers, making a significant impact on our innovative projects.This is a full-time, on-site Fullstack Software Engineer position based in New York City.Who You Are:You thrive in fast-paced environments and love to build innovative solutions.You seek deep ownership of the products you develop.You are passionate about understanding and serving the customers you build for.You possess excellent communication skills.You value teamwork and collaboration.You are based in New York City.Qualifications:3-5 years of industry experience.Proficient in Node.js and Python.Experience architecting secure, scalable systems on AWS.Experience in developing scalable data infrastructure.Knowledge of AI and machine learning algorithms.Ability to work effectively in a fast-paced startup environment.Experience in the financial industry is a plus, but not mandatory.Benefits:401(k) plan with 5% company match.Comprehensive medical, dental, and vision insurance.15 days of paid time off plus 11 company holidays and flexible sick leave.

Feb 3, 2026
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companyWaterfall logo
Full-time|$75K/yr - $160K/yr|On-site|New York, NY

About Waterfall:At Waterfall, we are pioneering a revolutionary trading protocol designed for rare NFTs and collectible digital art, featuring live on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by creating innovative infrastructure and auction mechanisms. We have conceptualized a unique trading system allowing users to trade shards to forecast NFT prices, enabling rapid price discovery for any listed asset.Supported by Electric Capital and Pantera Capital, our dynamic and agile team is committed to fostering an inclusive culture. We aim not only to make a significant impact in the NFT space but also to ensure that Waterfall is the ideal workplace for your future aspirations. To stay informed and connected, be sure to follow our socials and explore our website!

May 29, 2022
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companyhifi logo
Full-time|On-site|New York City

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.

Apr 13, 2026
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companyMongoDB, Inc. logo
Full-time|$126K/yr - $248K/yr|Hybrid|New York City

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.

Mar 3, 2026
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company
Full-time|$145K/yr - $200K/yr|On-site|New York Office

Join Thread AI as a Frontend Software EngineerAt Thread AI, we are dedicated to revolutionizing the way enterprises and public sector agencies harness the power of AI through our innovative AI-native workflow orchestration engine. We are expanding our dynamic team and seek passionate individuals to contribute to our mission of simplifying infrastructure and maximizing AI potential.Based in the vibrant city of New York, our team comprises AI, product, and engineering professionals with extensive experience in crafting and implementing sophisticated workflows and infrastructure solutions.Our Engineering CultureWe pride ourselves on being a tight-knit, dedicated technical team that encompasses engineering, research, design, product development, and operations. Our philosophy revolves around the belief that a compact, collaborative team can innovate and deliver superior products more effectively than larger, hierarchical organizations.Role OverviewWe are on the lookout for a seasoned frontend engineer who thrives in a collaborative and iterative environment. You will play a vital role in delivering our technology to users worldwide, ensuring safe and reliable deployment. We value curious and creative individuals who excel at problem-solving and are eager to contribute in a fast-paced, ownership-driven atmosphere. Additionally, we seek team members who prioritize meaningful interactions among developers, subject matter experts, technology, and the community.

Sep 12, 2024
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companyClarion logo
Full-time|On-site|NYC Office

About ClarionAt Clarion, we are revolutionizing communication in healthcare through the power of AI.Currently, clinics are missing 30–40% of patient calls and their staff is burdened with administrative tasks. We envision a future where AI agents manage these workflows, including scheduling, billing, prescription refills, and follow-ups, allowing healthcare professionals to dedicate more time to patient care.We are developing the essential communication infrastructure that modern healthcare needs. Our AI agents do more than just answer calls—they manage workflows from start to finish, ensuring that every patient is heard. To date, we have successfully handled hundreds of thousands of patient interactions across virtual care companies, health systems, and a $5 billion health insurance provider.Founded by a physician trained at Stanford and Harvard, alongside a former Amazon Alexa engineer who led AI/ML teams at Salesforce, Clarion has raised $5.4 million from prominent investors including Accel, Y Combinator, and Sequoia. Our in-person team in New York is rapidly advancing to tackle one of the most pressing challenges in healthcare.

Feb 22, 2026
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companyAirgoods logo
Full-time|On-site|New York City

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.

Jun 3, 2025
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companyCLEAR logo
Full-time|$175.5K/yr - $215K/yr|On-site|New York, New York, United States

At CLEAR, we are pioneering the future of secure identity. Our mission is to enhance safety and convenience in both physical and digital experiences. With over 38 million members and a rapidly expanding network of partners worldwide, our secure identity platform is revolutionizing how individuals live, work, and travel. Whether at airports, stadiums, or in everyday situations, CLEAR is committed to providing seamless experiences for our members. As a recognized leader in digital and biometric identification, CLEAR is dedicated to minimizing friction during ID checks for our members. We are in search of a talented Senior Software Engineer to contribute to the development of next-generation products that extend beyond traditional ID solutions, empowering our members to harness the full potential of a connected digital identity. In this role, you will engage in the design, implementation, testing, and deployment of applications that enhance our platform, ensuring that member privacy and security remain paramount.

Mar 11, 2026
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companycounsel logo
Full-time|On-site|New York Office (Flatiron)

Join our dynamic team at counsel as a Senior Fullstack Software Engineer, where you will play a pivotal role in designing and developing cutting-edge applications. You will collaborate with cross-functional teams to build scalable and efficient software solutions. This is an opportunity to leverage your expertise in both front-end and back-end technologies to create impactful products.

Apr 2, 2026
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companyHighbeam logo
Full-time|On-site|New York

Join Highbeam, the trailblazer in business banking and cash management.Our innovative platform merges cutting-edge AI agents, automated financial workflows, and seamlessly integrated financial products, all designed to optimize time and cost for brands.We are proud to support customers who have generated billions in sales, including renowned brands like Cuts, Tushy, NYON, Sabah, Still Here, Alice Mushrooms, Original Grain, and birddogs.Our team features accomplished professionals from top companies like Shopify, Square, Toast, Rippling, and McKinsey.With $42M in equity raised from esteemed investors such as Acrew, FirstMark, Mayfield, and Two Sigma Ventures, we are positioned for significant growth.About the RoleWe are seeking a talented Frontend Engineer dedicated to delivering features that are both functional and enjoyable for our users.Our technology stack includes Kotlin, TypeScript / React, Python, PostgreSQL, Terraform, and Google Cloud.This position is an in-person role based in New York or Toronto.Your ResponsibilitiesEnhance our existing React application and develop new featuresAct as the frontend specialist for your peers, assisting in debugging frontend challengesUtilize a modern frontend stack, including react, typescript, vite, storybook, react-router-dom, and radix-ui

Sep 25, 2025
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companyRain logo
Full-time|On-site|New York, NY

About RainAt Rain, we are pioneering the future of payments on a global scale. Our dedicated team of innovative builders and seasoned founders is committed to making stablecoins practical for everyday transactions. With our advanced infrastructure, we facilitate card transactions, cross-border payments, B2B transactions, remittances, and much more. By collaborating with fintech companies, neobanks, and various institutions, we empower them to deliver solutions that are not only global but also inclusive and efficient. Join us to create significant change at a rapidly growing company backed by leading investors in the fintech, crypto, and SaaS sectors, including Sapphire Ventures, Norwest, Galaxy Ventures, Lightspeed, and Khosla. If you are driven, curious, and eager to contribute to a borderless financial future, we want to connect with you.Our PhilosophyWe embrace a culture of openness and flat hierarchies, allowing you to develop in a role that aligns with your aspirations. All team members, regardless of their position, are encouraged to explore ideas and influence the direction of the company.Role OverviewAs a Fullstack Software Engineer at Rain, you will play a pivotal role in developing our rewards and co-brand platform. Your responsibilities will include maintaining, enhancing, and building third-party rewards programs, primarily in collaboration with our major league sports partners, and integrating new payment solutions into these applications. You will take charge of the technology stack and code that underpins our rewards and co-branded payment initiatives.Key ResponsibilitiesContribute significantly to the technical and product roadmapDevelop products across our stack utilizing React, Typescript, NextJS, Tailwind, and NodeJS, focusing on RewardsLead architectural decisions and drive the technical roadmap as we scaleEngage with smart contracts across multiple blockchain networksQualificationsProficiency in JavaScript, React, Typescript, NextJS, Tailwind, NodeJS (experience in a subset of these technologies is acceptable)A passion for building, including personal projects that showcase your skillsThis role is suited for candidates with 4+ years of experience; compensation will be aligned with your backgroundPreferred QualificationsExperience in fintech (particularly with neobanks or card issuance is a plus)Familiarity with decentralized applications (dApps)

Jan 15, 2026
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companyflex logo
Full-time|Remote|New York, New York, United States; Remote (U.S.); San Francisco, California, United States

Join our dynamic team at flex as a Staff Software Engineer, Fullstack (Marketing). In this role, you will be instrumental in developing innovative software solutions that enhance our marketing efforts. You will collaborate with cross-functional teams to design, implement, and optimize our software applications, ensuring a seamless user experience.

Mar 16, 2026
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companyPlaid logo
Full-time|On-site|New York

At Plaid, we envision a future where financial interactions are seamless and transformative. Our commitment to this vision drives us to create innovative tools and experiences that empower thousands of developers in crafting their own financial products. As a pivotal player in the financial ecosystem, Plaid enables millions of users to achieve better financial health by connecting their financial accounts effortlessly to the applications they trust. We proudly partner with leading companies such as Venmo and SoFi, along with many Fortune 500 firms and major banks, to simplify financial connectivity. Our expansive network encompasses over 12,000 financial institutions across the US, Canada, the UK, and Europe. Founded in 2013 and headquartered in San Francisco, we also have vibrant offices in New York, Washington D.C., London, and Amsterdam.Plaid's mission is to democratize financial freedom for all by ensuring that money movement and access to financial data is both straightforward and secure. In the role of a Senior Fullstack Software Engineer, you will lead the design and development of systems that facilitate how millions connect with their finances.In this dynamic position, you will traverse the full technology stack, developing robust backend services and APIs while simultaneously crafting engaging, high-quality frontend experiences. This role is perfect for engineers who thrive in both backend problem-solving and frontend user interface design, eager to enhance their impact across the spectrum.You will be a key collaborator with product managers, designers, and fellow engineers to deliver products that are not only reliable and secure but also delightful for users. At Plaid, we empower our engineers to take ownership from the outset, contribute to architectural decisions, and witness their work reach millions of users.

Sep 23, 2024
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companyBrex logo
Full-time|$192K/yr - $240K/yr|Hybrid|New York, New York, United States

Why Join UsAt Brex, we are redefining financial operations for businesses across over 200 markets. Our innovative finance platform combines corporate cards, banking solutions, and advanced spend management tools, empowering companies to make smarter financial decisions and accelerate their growth. With Brex, organizations like DoorDash, Coinbase, and Zoom can enjoy unparalleled control over expenditures with our AI-driven automation and exceptional customer service, allowing them to concentrate on their core objectives.Joining Brex means being part of a culture that encourages pushing boundaries, embracing diversity, and fostering an inclusive environment. We believe in empowering our team members with the necessary tools and resources to unlock their full potential and drive their careers forward.Engineering at BrexOur engineering teams are dedicated to crafting scalable systems with a focus on speed and precision. We work collaboratively across Software, Data, Security, and IT, addressing complex technical challenges while maintaining a high standard of excellence from design to deployment. Here, engineering is an art, and every builder has the opportunity to become a leader.Your RoleAs a Senior Frontend Engineer, you will engage with the entire Brex tech stack, developing and maintaining innovative products and features that will facilitate Brex's growth. You will have the chance to enhance the financial software experience for our clients and contribute to our expansion into new markets. We seek individuals who are not only passionate about building effective tools but also eager to lead cross-functional initiatives. In this role, you will directly impact our business and influence our technical vision with a commitment to high quality.Work EnvironmentThis position is based in our New York office, where we embrace a hybrid working model. You will benefit from the synergy of in-office collaboration while enjoying the flexibility of remote work. We currently require three coordinated days in the office each week (Mondays, Wednesdays, and Thursdays), along with the opportunity for up to four weeks of fully remote work each year!

Apr 9, 2026
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companyBitGo logo
Full-time|$150K/yr - $200K/yr|On-site|New York, United States

BitGo delivers secure digital asset infrastructure for institutions and retail investors, offering custody, wallets, staking, trading, financing, and settlement services. The company manages multiple Trust companies and processes a large portion of Bitcoin network transactions. BitGo is known as a leading independent custodian and staking provider. More details are available at www.bitgo.com. Location This position is based full-time in the New York office. In-person collaboration and teamwork are central to this role. Role overview The Frontend and Mobile Software Engineer will focus on building and enhancing cross-platform mobile applications. The work centers on delivering a strong customer experience for BitGo users. Requirements Significant experience with React or React Native

Apr 20, 2026

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