Senior Staff React Native Engineer

About RillaAt Rilla, we are pioneering the future of conversation intelligence software for offline commerce. Our platform is designed to record, analyze, and index conversations, providing unmatched insights that empower the physical businesses that form the backbone of our economy.Our mission is to democratize cutting-edge technology, making the innovations of the 21st century accessible to all sectors of the economy. As a testament to our success, we are among the fastest-growing companies in history, achieving a remarkable trajectory that includes $40M in revenue within just 3.5 years, a consistent 15% month-over-month growth, and a net revenue retention rate exceeding 170%. Our customer satisfaction score (NPS) even surpasses that of the iPhone!Your RoleAs our first dedicated mobile engineer, you will play a pivotal role in enhancing our mobile codebase, enabling us to deliver exceptional, real-time experiences for field users. You’ll take ownership of our mobile architecture, streamlining today’s velocity bottlenecks and building end-to-end workflows that address real-world challenges on a large scale.Are you passionate about technology? Do you dream of leading innovations that apply AI in impactful ways? Join us at Rilla, where you will collaborate with an extraordinary team and develop your skills to the fullest.Technologies We LeverageProgramming languages and frameworks such as React, React Native, TypeScript, and Python.Open-source tools including Node.js, PostgreSQL, Turborepo, Lodash, and Zod.Industry-standard build tools, including GitHub Actions, Terraform, and Spacelift.Our Core ValuesContinuous Learning: We seek individuals who are fiercely curious and committed to personal growth.Customer Obsession: We prioritize genuine solutions that address customer pain points over superficial metrics.Winning Mindset: We thrive on accountability, team learning, and rapid feedback.Empathy: Understanding our customers' real-world challenges is key to effective solutions.Fearlessness: We embrace risks and view failures as learning opportunities.

About SomethingsAt Somethings, we are pioneering the first social wellness platform designed specifically for teens. Our mission is to connect teens with mentors who understand and support them, facilitating meaningful relationships that promote growth and healing.With 25 million teens in the U.S. facing mental health challenges, each download of our app represents a potential lifeline. We strive to ensure that not only do these teens engage with our platform, but they also build connections with caring individuals who can guide them towards a healthier future.Backed by General Catalyst and leading investors in healthcare and consumer markets, we are experiencing rapid growth—having increased our user base by 1100% in 2025 and projecting to multiply our reach fivefold in 2026.If you are eager to contribute to a company that is poised to redefine mental health support for a generation, we invite you to join us.Role OverviewWe are seeking a Full Stack React Native Engineer to become part of our dedicated engineering team. In this role, you will play a vital part in developing the core product experiences that propel our mission forward.Your work will be characterized by high agency and a profound impact:You will actively influence the product features that help teens connect and improve their well-being.What You’ll DoYour responsibilities will extend beyond just building features; you will take complete ownership of critical projects aligned with our strategic objectives for 2026:1. Create Enriching Teen × Mentor ExperiencesDevelop engaging mobile experiences that evoke warmth, speed, and a human touch.Enhance the onboarding process and early engagement to optimize the initial user journey.Design user interfaces that are as intuitive and addictive as leading social applications.2. Develop Scalable Tools for Our Mentor NetworkBuild mentor-focused features that enhance consistency, efficiency, and connectivity.Create safety mechanisms that proactively identify risks and mitigate human error.Refine mentor workflows to ensure they feel empowered by our tools.3. Lead Full-Stack Product DevelopmentConstruct end-to-end features utilizing React Native, backend services, and APIs.Collaborate closely with design, product, growth, and clinical operations teams.Conduct user interviews with teens and mentors to gain deep insights into their needs.

About ComúnAt Común, we are dedicated to empowering Hispanic immigrants by transforming their hard work into opportunities for upward mobility. Our focus begins with innovative financial services that facilitate their transition from cash-based systems to the digital economy.We provide checking accounts accessible through over 100 types of Latin American IDs, allowing deposits at more than 90,000 locations across the nation, international transfers to 17 countries at industry-leading rates, and 24/7 bilingual customer support with a sub-5 minute response time via email, chat, and phone.With an impressive annual transaction volume exceeding $1.5 billion and having surpassed $100 million in international transfers just six months post-launch, Común has secured over $50 million in funding from prestigious investors including Redpoint, Costanoa Ventures, and South Park Commons. Our team comprises seasoned professionals from renowned fintech companies such as Brex, Nubank, and Mercury.We believe that immigrants embody the spirit of entrepreneurship, fueled by relentless ambition and a vision for a brighter future for their families. Común is here to support them on every step of their journey.Discover more at comun.app/nosotrosRead our latest article hereAbout the RoleAs the Senior Mobile Software Engineer, you will take charge of the mobile experience that drives our distinctive banking platform. Your responsibilities will include shaping the product roadmap, transforming design concepts into functional applications, and refining our component library to ensure rapid deployment without compromising quality. Our technology stack features React Native, Expo, TypeScript, and GraphQL.Your ResponsibilitiesCollaborate with product, design, and backend teams to build and launch new features.Establish frontend patterns, tools, and processes that enhance development speed.Ensure robust testing and monitoring practices to maintain a stable, high-quality application.Advance our design system and component library for consistency and scalability.Work closely with leadership on technical planning and architecture.

Join Privy as a Staff SDK Engineer specializing in React and React Native. In this role, you will lead the development of innovative SDKs that empower developers and enhance user experiences. You will collaborate with cross-functional teams to design, build, and maintain high-quality software solutions.

About SomethingsAt Somethings, we are pioneering a revolutionary social wellness platform specifically designed for teens. Our mission is to create a supportive environment where young individuals can build meaningful relationships with mentors who truly understand them, are dedicated to their growth, and provide the guidance necessary for them to flourish.In the U.S., 25 million teens face mental health challenges, and each of the countless teens who engage with Somethings requires assistance. Our goal is to ensure that these individuals do not merely use the platform, but instead connect with compassionate humans who are devoted to their well-being and help them thrive.With backing from General Catalyst and esteemed healthcare and consumer investors, we are experiencing rapid growth — achieving a remarkable 1100% increase in 2025 and aiming for a fivefold growth in 2026.If you aspire to contribute to a transformative company within the mental health sector, we welcome you to join us.Role OverviewWe are seeking a Senior Fullstack Software Engineer specializing in React to join our dynamic, high-impact engineering team. You will play a pivotal role in constructing the foundational web experiences that empower our mentors and operational teams.This position offers high levels of agency, craftsmanship, and impact:You will directly influence the platform experiences that assist teens in connecting and genuinely improving their lives.What You'll DoIn this role, you will take complete ownership of essential projects that align with our strategic objectives for 2026:1. Transform our Mentor Operations Platform into a world-class experienceDeliver web experiences that are fast, reliable, and deeply human-centric.Evolve the mentor web experience from basic functionality to a cohesive, elegant, and leading-edge platform.Create user interfaces that are as intuitive and refined as the best consumer applications.Prioritize performance, accessibility, and interaction quality.2. Develop tools that safely scale our mentor operationsDesign features for mentors that enhance consistency, speed, and connection.Implement safety measures that proactively identify risks and minimize human error.Refine mentor workflows to empower users rather than overwhelm them.3. Take charge of full-stack product developmentBuild comprehensive features across React, backend services, and APIs.Engage in close collaboration with design, product, growth, and clinical operations teams.

About BettermentBetterment is a premier, technology-focused financial services company dedicated to offering innovative investing and retirement solutions for individual investors and financial advisors. Our commitment is to enhance financial well-being through accessible tools, including a 401(k) solution tailored for small and medium-sized enterprises. We are driven by a mission to empower individuals to build wealth with confidence and ease. Headquartered in the heart of NYC, we facilitate hybrid work arrangements with four days a week in the office.About the RoleAs a Staff Mobile Engineer within our Mobile Platform team, you will play a pivotal role in developing and maintaining the foundational mobile infrastructure, frameworks, and tools that support Betterment’s applications. Your contributions will significantly enhance the developer experience for mobile engineers across the organization, ensuring rapid, secure, and sustainable feature delivery.At Betterment, our platform engineering team empowers engineers across the company to deliver exceptional code with assurance. We collaborate closely with product engineers to create cross-functional capabilities, infrastructure, and frameworks that enable swift delivery while upholding quality. We tackle intriguing technical challenges related to scalability, architecture, and user experience to craft an app platform that brings satisfaction to both our clients and our engineers.This position is based in our NYC office. Below, we outline the base salary range for this role. Actual salaries may vary based on several factors, including location, experience, and performance. The mentioned range is just one aspect of Betterment’s comprehensive compensation package.New York City: $200,000 – $228,000We provide a competitive equity package along with health, dental, and vision benefits, life insurance, short-term and long-term disability insurance, Employee Assistance Program (EAP), commuter and parking benefits, FSA/HSA, and a 401(k) with employer matching. Furthermore, we offer a flexible paid time off (PTO) policy. This position may also qualify for variable compensation through a company incentive bonus. For roles at our NYC HQ, in-office attendance is required Monday through Thursday.A Day in the LifeDevelop and maintain shared React Native frameworks, libraries, and development tools utilized by mobile product teams to deliver customer-facing features.Collaborate with engineers across the organization to enhance the reliability, performance, and security of our mobile applications.Lead medium-to-large scale projects, ensuring effective communication and collaboration across teams.

Join Centari - A Leader in Deal IntelligenceAt Centari, we are revolutionizing high-stakes dealmaking by unlocking the potential of private deal data. As we develop the future's deal intelligence platform for law and finance, we go beyond mere automation, embracing a data-driven approach to empower negotiation teams globally with strategic insights. Our proprietary Deal Reasoning Engine transforms complex documents into invaluable knowledge, ensuring our clients have the upper hand in negotiations.Our dynamic team consists of attorneys, financial experts, and engineers who thrive in a hybrid, cross-cultural environment. We are proud to be supported by leading enterprise AI investors, including GTMfund, former DoorDash board member Jeremy Kranz, Seamless co-founder Andy Appelbaum, Jack Altman, South Park Commons, and Recall Capital.We embrace complexity, as it is the breeding ground for innovation. If you are a builder who excels in ambiguity and embodies radical ownership, we want to connect with you.For further details, visit centari.com or follow us on LinkedIn.Role OverviewWe are seeking a Senior Backend Software Engineer to join our innovative product team. You will play a pivotal role in designing and developing Centari's core AI technology. Collaborating with fellow engineers who share a passion for action, you will write code, influence product direction, engage with clients, and drive projects from concept through to implementation.Our technology stack includes Go and React/TypeScript, utilizing state-of-the-art LLM technologies across our infrastructure, search, and persistence layers. If you have a passion for building impactful LLM applications and enjoy tackling complex challenges, we want to hear from you.

Join IT Labs as a Senior Forward Deployed Software Engineer, where you will be pivotal in delivering solutions for a cutting-edge deep-tech client at the forefront of engineering, physics-based simulation, and artificial intelligence.Our client is revolutionizing engineering innovation through an AI-driven simulation and analytics platform, leveraging modern cloud-native practices to simplify traditionally complex workflows.This platform empowers engineering teams across various industries, including Aerospace, Automotive, Energy, Materials, and Advanced Manufacturing, enabling them to conduct high-performance simulations and manage intricate data pipelines.As a Forward Deployed Software Engineer, you will collaborate directly with the client’s delivery team to craft tailored software solutions that maximize the platform's capabilities for specific customer needs.You will bridge the gap between software engineering, solution architecture, and customer delivery, working closely with machine learning engineers, data scientists, and other technical teams to address complex engineering challenges.Your responsibilities will include:Enhancing platform functionalities with custom integrationsTailoring frontend and backend services to meet specific customer workflowsDesigning and implementing system integrations and scalable application componentsDeploying and managing solutions in cloud or Kubernetes environmentsThis hands-on role demands engineers who are adept at melding software engineering with technical problem-solving in customer interactions.

Join Flex, a rapidly growing FinTech company headquartered in New York City, as we revolutionize the rent payment process. It's 2026, and we believe that paying rent should be affordable, flexible, and hassle-free. Our mission is to empower renters with the ability to pay their rent on a schedule that aligns with their financial needs. After establishing a strong foundation of investor support and a dedicated user base, we are seeking passionate individuals to join our team and help us drive our mission forward.As a Senior Fullstack Software Engineer, you will play a crucial role in propelling our company’s growth. Your expertise will be vital in developing and scaling our platform and application experiences, ultimately facilitating our ambitious goal of achieving 10x growth.

About SunoAt Suno, we are revolutionizing the music industry by unleashing creativity, where every idea transforms into captivating sound. Our flagship product harnesses the power of cutting-edge music-generation technology, enabling users of all backgrounds to create high-quality songs featuring unique beats, instruments, and vocals. We are also crafting an unparalleled ecosystem of musical services, which includes Suno Studio, a comprehensive suite for audio editing, and Hooks, an innovative platform for creating and sharing dynamic music videos that breathe life into songs.Founded by passionate Harvard alumni just two years ago, Suno has already achieved remarkable milestones, including $200 million in subscription revenue. Our growth trajectory positions us among the fastest-growing AI startups globally, with a valuation of $2.45 billion as of November 2025 and $375 million in venture capital funding. To date, over 100 million individuals have produced music using Suno, supported by a talented team of 150 collaborators across multiple locations, including Boston/Cambridge, Venice Beach, San Francisco, and New York City.With more than 10 million downloads on the Play Store and a stellar 4.8 rating, our Android team is pivotal to shaping our product's future and driving the company's success.About the RoleWe are seeking a dynamic Mobile Engineering Manager to lead our mobile app development teams, focusing primarily on Android. In this role, you will be responsible for building and nurturing a high-performing engineering team dedicated to mobile innovation.What You’ll DoLead, mentor, and expand a talented team of mobile engineers and team leaders.Oversee recruitment, performance evaluations, career growth, and team culture development.Collaborate with product and engineering leaders to ensure cross-functional alignment and streamline efforts across distributed teams.Champion high standards in code quality, testing, and architecture, while balancing the need for rapid iteration with long-term sustainability and security.What You’ll NeedA minimum of 7 years in software engineering, with at least 3 years in a leadership role managing a mobile engineering team.Proven experience in writing production-level code and successfully leading engineering teams to deliver complex features from concept to launch.Ability to thrive in a fast-paced, ambiguous environment while effectively managing multiple priorities and deadlines.

Standard Template Labs is an innovative AI-native startup operating in stealth mode, focused on redefining IT Service and Configuration Management. With backing from top-tier investors, we harness the power of AI, graph-based architecture, and superior design to revolutionize how enterprises navigate and engage with their technological ecosystems.About the RoleWe are in search of a Senior Software Engineer who excels in an AI-native setting. You should be eager to develop scalable, intelligent systems that integrate automation, reasoning, and cutting-edge infrastructure.In this pivotal role, you will architect and implement the systems that drive our AI-enabled platform, shaping our approach to incorporating large language models (LLMs), knowledge graphs, and intelligent workflows into enterprise-grade software.This is a hands-on position for a developer who is deeply engaged in coding, possesses a systemic thought process, and aspires to influence the future of AI-enhanced engineering.ResponsibilitiesAI-Driven Technical OwnershipAssume full ownership of intricate features and systems—from architecture and implementation to deployment and observability.Design and enhance AI-native services that integrate LLMs and reasoning capabilities directly into product workflows.Collaborate across various teams including product, design, and data to embed AI-driven intelligence into both user and developer experiences.Lead architectural decisions that balance swift experimentation with sustainable scalability and reliability.Hands-On EngineeringBackend First: Spearhead the design, implementation, testing, and deployment of backend services, APIs (REST/GraphQL), and essential data infrastructure that support scalable enterprise workflows.Full Stack Delivery: Develop user-facing features as needed, seamlessly connecting frontend UI with backend systems—you will manage the complete journey from browser to database.Shape the Stack: Contribute to defining and evolving our architecture—from backend systems and databases to UI frameworks and client integrations.AI and Workflow Innovation: Integrate AI/LLM capabilities into backend pipelines and product logic that enhance ITSM functionality and user-friendliness.

Traba connects businesses with vetted industrial workers through technology designed to streamline staffing and supply chain operations. The team builds autonomous, orchestrated multi-agent AI workflows to make these processes more efficient. Backed by investors including Founders Fund, Khosla Ventures, and General Catalyst, Traba is focused on transforming how industrial labor is managed. Role overview This full-stack software engineer position is part of Traba’s founding team in New York City. The role centers on building and scaling the core product suite. Projects include developing a mobile app for workers using React Native, creating a web platform for business clients with React and Node.js, and building internal tools to support day-to-day operations. What you will do Develop and maintain the React Native mobile app used by workers Build and enhance the React and Node.js web platform for business clients Create tools that support Traba’s operations team Work closely with the CTO to shape the product roadmap and make key technology decisions Contribute to the foundational technology platform as an early team member Location This position is based in New York City, NY.

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

About UsAt Metronome, we are revolutionizing the landscape of usage-based billing, specifically crafted for the dynamic needs of modern software companies. Our innovative platform empowers businesses to swiftly launch products, implement any pricing model, and optimize finance workflows—all without requiring a single line of code.Processing millions of invoices each billing cycle, our rapidly scaling platform not only saves our customers hours of development and invoicing but also enables them to leverage consumption data to enhance customer service. We are proud to partner with industry giants like OpenAI, NVIDIA, Confluent, and Anthropic, who appreciate our unique approach and product offerings.You will become part of a seasoned team led by founders with a proven track record of building and selling successful startups. Our team members bring invaluable experience from scaling operations at major companies such as Dropbox, Clever, and New Relic. With the backing of over $128 million from top-tier investors including NEA, Andreessen Horowitz, General Catalyst, Elad Gil, and Workday Ventures, we are poised for remarkable growth. Our investors also include founders and executives from leading companies like Segment, Plaid, Looker, GitLab, Confluent, HashiCorp, and Snowflake, who understand the challenges we are addressing.About the RoleJoin our AI Native Solutions team at Metronome, where we blend technical sales, implementation, and customer success, uniquely designed for the fast-paced environment of AI-first companies. In contrast to traditional sales engineering roles, this position encompasses a significant portion, if not the entirety, of the deal cycle—right from the initial call to the technical win. You will also engage hands-on in the implementation process, ensuring our clients launch swiftly and effectively.As an AI Native Solutions Engineer, you will take on the role of the primary technical lead for rapidly evolving AI companies that require the implementation of usage-based billing within tight timelines.Please note that this position requires you to be located in San Francisco, New York City, or Chicago.What You'll DoDrive Technical Success:Manage qualified inbound leads, guiding them through discovery, demonstrations, proofs of concept, and securing the technical win.Conduct efficient discovery sessions to quickly identify billing challenges, product launch timelines, and technical specifications.Infuse energy and urgency into every engagement—proactively advancing deals, identifying potential obstacles early, and fostering relationships across customer organizations (engineering, finance, product) to cultivate champions.Deliver streamlined, tailored demos to technical founders and product/engineering teams.

Mobile Team at Asana The Mobile team builds features that help teams stay connected and organized, even when away from their desks. Engineers collaborate closely with Product Designers, Product Managers, and other engineering groups to enhance the Asana experience for mobile users. The team maintains a codebase and culture designed for both productivity and enjoyment, combining established mobile practices with Asana's internal frameworks. Role Overview iOS Mobile Engineers at Asana step into meaningful work from the start, contributing to both the codebase and team processes. The company uses an Areas of Responsibility system, which clarifies roles and encourages professional growth. Engineers are supported in identifying and solving problems, always with a collaborative mindset. Location and Work Model This position is based in Asana's New York City office. The role follows a hybrid schedule, with in-office days required on Monday, Tuesday, and Thursday. During the interview process, a recruiter will provide more details about in-office expectations.

Medal is looking for a Senior Frontend Engineer with deep experience in React to help shape the next generation of web applications. This position is based in New York City and centers on building intuitive, reliable interfaces that make a real impact for users. Role overview This role focuses on designing and implementing frontend solutions using React. The Senior Frontend Engineer will work closely with colleagues from various disciplines to deliver scalable and maintainable web applications. Attention to detail and a commitment to high-quality user experiences are essential. What you will do Design and build user interfaces that are both attractive and easy to use Collaborate with cross-functional teams to deliver web applications Apply modern web technologies to improve product quality and performance Requirements Strong proficiency in React Experience developing scalable web applications Ability to work effectively with cross-functional teams

Join a Trailblazer in Conversation IntelligenceAt Rilla, we are pioneering the future of conversation intelligence software tailored for offline commerce. Our innovative platform meticulously records, analyzes, and indexes conversations, delivering exceptional insights that empower critical physical businesses—the backbone of our economy.Our mission? To equip traditional industries with cutting-edge technologies that have propelled the most innovative companies of the 21st century. This vision has catapulted Rilla into one of the fastest-growing companies in history, achieving a remarkable growth trajectory from $0 to $40M in just 3.5 years, maintaining a 15% month-on-month growth rate, boasting a net revenue retention above 170%, an NPS that surpasses that of the iPhone, and achieving profitability.Your RoleAs a Senior Software Engineer at Rilla, you will be at the forefront of our engineering efforts, architecting and deploying features across the entire stack with unparalleled speed. Daily, you will develop end-to-end workflows, transition them into production, and tackle real-world challenges at a grand scale.In this pivotal role, you will set the standard for code quality and decision-making, fostering a world-class engineering culture as we scale. As Rilla expands tenfold, your responsibilities and influence will grow correspondingly, as you build the tools, frameworks, and platforms that empower both you and Rilla to thrive exponentially.Are you someone who thrives on obsession? Do you dream of becoming a founder or a leader, harnessing AI to revolutionize the physical world? We believe that Rilla is the ideal environment for you to learn and grow alongside the best peers in the industry.Technologies We LeverageA variety of languages and frameworks such as React, React Native, TypeScript, and Python.Open-source technologies including Node.js, PostgreSQL, Turborepo, Lodash, and Zod.Standard industry build tools like GitHub Actions, Terraform, and Spacelift.Our Core ValuesAn infinite learner who is perpetually curious.A customer-centric individual who prioritizes truly solving customer pain points over superficial metrics.A team player with a winning mindset, embracing accountability, collaborative learning, and constructive feedback.Deep empathy for our customers, recognizing that they operate in the real world and require understanding to devise effective solutions.Fearless in the face of failure, viewing risks as opportunities for growth and improvement.

Role overview MongoDB, Inc. is seeking a Senior Software Engineer based in Austin or New York City. This position involves designing and building software solutions within a collaborative engineering team. Senior Software Engineers at MongoDB play a key role in shaping system architecture and maintaining high standards for software quality and reliability. What you will do Design and develop software solutions for MongoDB products and services Collaborate with fellow engineers to address complex technical challenges Contribute to important system architecture decisions Apply coding best practices to create maintainable and scalable code Support the delivery of reliable, high-quality software releases Location Austin, TX New York City, NY

Join Bubble, Inc., a leading platform revolutionizing mobile application development, as a Senior Full Stack Engineer. In this pivotal role, you'll leverage your expertise to create seamless mobile experiences that empower users to build and manage applications effortlessly.Your responsibilities will include designing and implementing robust backend systems, enhancing front-end interfaces, and collaborating with cross-functional teams to drive innovative solutions. You will play a crucial role in shaping the future of the mobile platform, ensuring optimal performance and user satisfaction.