Lead Full Stack Software Engineer (Java, Python, Angular, React)

We are seeking a talented and experienced Lead/Senior React Native Engineer to join our innovative team at Pelago. In this role, you will be responsible for designing and implementing high-quality mobile applications using React Native. You will lead a team of developers and collaborate with cross-functional teams to deliver seamless user experiences.Your expertise will contribute to the architectural decisions and best practices that drive our mobile strategy. If you are passionate about technology and eager to make an impact, we want to hear from you!

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 MILEMILE is an exclusive shopping destination that is transforming the luxury retail landscape. We provide our members with access to a carefully curated, timeless collection of the most coveted products from prestigious fashion brands, all available at unparalleled prices. Positioned at the crossroads of technology and fashion, MILE ensures a seamless and elevated shopping experience for consumers and brands alike. Our mission is to establish ourselves as the premier digital hub for luxury, where exclusivity, value, and exceptional design come together.What We’re Looking ForWe are seeking a Senior React Native Engineer to join our expanding engineering team. In this critical position, you will help shape our customer-facing interfaces on both our mobile application (React Native) and web platforms (React), including dashboards and our marketplace UI. This is a high-impact opportunity for individuals who excel in dynamic, product-oriented environments and aspire to contribute to building a brand that defines the industry.What You’ll Do Collaborate closely with front-end, product, design, and backend teams to create high-quality features across mobile and web platforms. Influence our front-end architecture and best practices to ensure scalability, maintainability, and an exceptional user experience. Execute pixel-perfect designs with a focus on interaction, motion, and accessibility. Enhance app and web performance, reliability, and compatibility across devices. Guide UI/UX decisions with a meticulous eye for detail, contributing to MILE’s luxurious brand identity. Participate in the development and evolution of our Tamagui-powered design system across platforms. Mentor junior engineers and contribute to fostering a culture of technical excellence and innovation. Keep abreast of the latest front-end trends and technologies to continually push the envelope of what’s possible. Who You Are 5+ years of professional experience in developing complex front-end applications in production environments. Extensive expertise in React and React Native, along with a solid understanding of their ecosystems and performance nuances. Proficient in modern JavaScript/TypeScript, state management (e.g., Redux, Zustand), and component-driven architecture. Demonstrated experience in building high-performance React Native applications with best practices for image loading, react-query implementation, scroll view optimizations, and modal management. Deep understanding of React quirks, performance challenges, useEffect pitfalls, and the ability to create custom hooks. Experience in developing custom React Native bridge modules. Proven track record of delivering polished mobile applications and web experiences that meet high standards of design and usability. Familiarity with Tamagui, Ant Design, Tailwind, and Shadcn.

Senior Staff React Native EngineerLocation: New York City (Office)On-site | Full-timeCompensation: CompetitiveJoin a leading-edge technology development firm that is at the forefront of creating and sustaining the foundational infrastructure for the world’s most dynamic digital asset launchpads. This organization operates within an ultra-low latency, high throughput environment, characterized by continuous high-concurrency loads. Here, technical precision is critical, and the impact of every deployment is felt instantly.We are on the lookout for a seasoned React Native Engineer to be a crucial part of our mobile engineering team. This role will be instrumental in developing and scaling a high-performance mobile application designed to empower a global audience with the advantages of decentralized finance (DeFi) and SocialFi. You will work across the entire stack to design exceptional mobile experiences, delivering features rapidly, and iterating efficiently in a high-growth ecosystem.Key ResponsibilitiesApplication Development: Create and manage a top-tier mobile application using React Native, focusing on high-performance execution and an intuitive user interface.Performance Optimization: Enhance mobile architecture for speed, efficiency, and scalability, effectively bridging complex blockchain interactions with mobile-first design principles.System Integration: Partner with backend engineers to integrate advanced APIs, real-time data streams, and decentralized technologies.Rapid Iteration: Implement fast-paced shipping cycles, gathering user feedback to refine the mobile experience and foster long-term engagement.Technical Problem Solving: Tackle intricate challenges related to non-custodial crypto wallets, smart contract interactions, and real-time on-chain data updates.Code Excellence: Uphold a clean, modular, and scalable codebase while pushing the boundaries of modern mobile development.Strategic Collaboration: Collaborate with designers, engineers, and product leaders to define the roadmap and future of the mobile platform.Work EnvironmentIn-Person Collaboration: This position requires in-person presence at the client's office.Intensity: Candidates should be comfortable with unconventional hours and a high-velocity pace where expectations are elevated and impact is immediate.Interview ProcessRecruiter / HR Call: Initial screening to discuss professional background and cultural fit....

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 UsBaton Corporation is a pioneering technology firm responsible for developing and operating the comprehensive technology stack behind pump.fun, currently recognized as the largest memecoin launchpad in the industry. Our systems are designed for low latency and high throughput, operating under continuous load, demanding precision and expertise.Your RoleIn the capacity of Senior Staff React Native Engineer, you will be at the forefront of our mobile platform's technical evolution. Your role encompasses tackling our most challenging technical issues, guiding architectural decisions, and fostering growth among your fellow engineers, all while actively contributing to production code with remarkable efficiency.Demonstrate leadership through significant code contributions in critical areas of our mobile stack.Take ownership of complex technical projects, overseeing everything from architectural design to deployment.Define the technical vision for mobile architecture while remaining actively engaged in its implementation.Establish and refine best practices for performance, reliability, and security within a crypto-native environment.Focus on optimizing speed, efficiency, and scalability, effectively bridging blockchain interactions with mobile-first design.Collaborate closely with backend engineers to integrate APIs, real-time data streams, and decentralized technologies.Rapidly iterate—shipping features, collecting user feedback, and enhancing the mobile experience to boost engagement and user retention.Address intricate technical challenges associated with crypto wallets, smart contract interactions, and real-time data updates.Maintain a clean, modular, and scalable codebase while pushing the limits of mobile development.Work in partnership with designers, engineers, and product leaders to shape the future of our mobile platform.

Join Partiful in Revolutionizing Social Connections!At Partiful, our mission is to foster friendships through unforgettable social events. We believe that gatherings, whether parties or other events, are the most effective way to meet new people and forge lasting connections. Our platform simplifies event planning, allowing hosts to create stunning party pages that facilitate seamless communication with guests. Download our app today and experience the magic!We are dedicated to innovating the event planning process, enhancing real-world connections, and bridging the gap between friends and acquaintances. Our ultimate vision is to transform every in-person experience into a cherished memory, eliminating barriers to bringing your social plans to life. Discover more about our impactful mission in The Washington Post, The New York Times, The Wall Street Journal, The Atlantic, Wirecutter, and USA Today. Partiful has been recognized as Google’s Best App of 2024, a Finalist for Apple’s App Store Awards, and has received the title of App of the Day from Apple multiple times. In 2025, we proudly earned a spot among TIME's 100 Most Influential Companies.

BitGo is the premier infrastructure provider of digital asset solutions, offering comprehensive services including custody, wallets, staking, trading, financing, and settlement from secure, regulated cold storage. Established in 2013, our mission has been to empower clients to securely navigate the digital asset landscape. With a worldwide presence and numerous Trust companies, BitGo caters to thousands of institutions, including leading brands, exchanges, and platforms, alongside millions of retail investors globally. As a cornerstone of the digital economy, BitGo processes a significant share of Bitcoin transactions and stands as the largest independent custodian and staking provider for digital assets worldwide. For further insights, visit www.bitgo.com.This position requires full-time presence at our New York office to foster team collaboration and drive innovative problem-solving.We are seeking a talented Mobile Software Engineer with extensive React Native expertise to join our dynamic team and contribute to the development of cross-platform mobile applications aimed at enhancing the BitGo customer experience.

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 Us:At Zealthy, we are on a mission to democratize high-quality healthcare, ensuring access for everyone, regardless of their location. We are in the process of creating the world’s largest and most trusted virtual healthcare platform, revolutionizing the delivery of care to make healthcare accessible to all.Founded by a visionary healthcare entrepreneur with a successful track record, including scaling a previous venture to a valuation of $5 billion, Zealthy is uniquely positioned for sustainable growth as we ambitiously pursue our vision. Our steadfast dedication to quality and accessibility is at the heart of everything we do.Our team is committed to making a difference for our patients. While our office culture operates Monday to Friday, often extending beyond standard hours, the true satisfaction comes from the significant impact we create together. Every team member plays a vital role in building something transformative. As a full-time member of our team, you won't just help shape the future of healthcare; you'll also benefit from our success through equity ownership, reflecting our belief that every contributor should be a literal and figurative owner of our mission.If you are not ready to fully commit to your role and contribute to the goal of building the largest and highest quality telemedicine company with in-person work four days a week, we encourage you to reconsider your application.Join us in redefining the future of healthcare.The Role:We are actively seeking a dedicated Mobile Engineer specializing in React Native. This is a full-time, on-site position based in New York, NY. If you are exploring remote or hybrid options, this role may not be the right fit for you.Your Responsibilities:As a React Native Software Engineer at Zealthy, you will join a dynamic team of five full-time engineers and work closely with the Founder/CEO and the Senior Medical Director.You will be tasked with rapidly developing our mobile application for both iOS and Android, using our mobile-friendly web app and initial design elements as a foundation.Your role will require in-person collaboration at our New York office, participating in daily standups, weekly sprint meetings (or a flexible Kanban process), and holding yourself accountable to a rigorous product development timeline.Being part of an early-stage startup means you may need to wear multiple hats, building the initial version of the mobile application with limited support from other engineers.As we grow, there will be opportunities for you to advance into a leadership role based on your performance and aspirations, fostering an ongoing dialogue with current leaders.

About UsBaton Corporation is a leading development firm that designs and manages the comprehensive technology infrastructure for pump.fun, the foremost memecoin launchpad currently in operation. Our systems are engineered for low latency and high throughput, functioning efficiently under constant pressure, and require precision to avoid failure.Your RoleAs a Senior React Native Engineer on our dynamic mobile team, you will be instrumental in enhancing and expanding our mobile application, empowering users around the globe with the capabilities of crypto and SocialFi. You will engage with the entire technology stack to create high-performance mobile experiences, delivering features swiftly and iterating rapidly in a fast-paced growth environment.Develop and maintain a top-tier mobile application using React Native, ensuring exceptional performance and a user-friendly interface.Optimize for speed, efficiency, and scalability, bridging blockchain interactions with mobile-centric design.Collaborate closely with backend engineers to integrate APIs, real-time data streams, and decentralized technologies.Quickly iterate to ship features, collect user feedback, and refine the mobile experience to enhance engagement and retention.Tackle complex technical challenges involving crypto wallets, smart contract interactions, and real-time data updates.Maintain a clean, modular, and scalable codebase while pushing the limits of mobile development.Work in synergy with designers, engineers, and product leaders to shape the evolution of our mobile platform.

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.

About StubHub StubHub is dedicated to improving the global live event experience. The company helps attendees enjoy every step, from ticket search to event entry, and supports sellers ranging from individual fans to major promoters. StubHub’s platform aims to be the safest and most convenient ticket marketplace for millions of users worldwide. Role Overview The Mobile Foundations team, part of Consumer App Foundations (CAF), is hiring a Software Engineer II focused on React Native. This group builds and maintains the core React Native platform that powers StubHub’s consumer apps. Instead of delivering features directly to end users, Mobile Foundations engineers create shared architecture, cross-platform infrastructure, performance improvements, and developer tools. Their work enables product teams to move quickly while maintaining high quality. What You Will Do Develop and enhance the core React Native platform supporting StubHub’s mobile applications Work with cross-platform technologies and collaborate with native iOS and Android components as needed Build reusable systems and platform capabilities used by millions of users worldwide Focus on performance, scalability, and resilience of the mobile experience Support other engineers by improving developer velocity and owning foundational systems Who Thrives Here This position suits engineers who enjoy tackling foundational challenges, improving engineering workflows, and taking responsibility for systems that other developers rely on daily. Location New York, New York, United States

Senior Frontend Engineer$270K – $300K • meaningful equityAbout NovigAt Novig, we are revolutionizing the sports prediction market in America. Founded by visionaries Jacob Fortinsky and Kelechi Ukah, we proudly stand as the sole platform offering commission-free sports trading. By discarding the outdated sportsbook model, we provide users with superior pricing, complete transparency, and a more efficient market structure.With backing from top-tier Silicon Valley investors, including Pantera, Forerunner, Lux, NFX, Paul Graham, and Joe Montana, Novig has successfully raised over $100M to fuel our mission.Who We AreOur goal is clear: to dismantle a rigged system where the house consistently wins, and sports enthusiasts are left behind. At Novig, we are committed to building a fair, two-sided marketplace that democratizes sports betting, empowering users in the process.Your Role and What Makes It ExcitingYou will be responsible for crafting and enhancing client-side experiences for our web and mobile applications, utilizing React and React Native.Own and improve critical user interfaces that enhance usability, performance, and trust across the Novig marketplace.Collaborate with Product and Design teams to balance functionality and aesthetics, delivering intuitive and responsive user experiences.Identify and resolve cross-browser and cross-platform compatibility issues in both web and mobile environments.Engage in cross-functional collaboration, contributing to frontend architecture decisions and backend service integration.Launch impactful features that elevate user engagement and support our vision of becoming the leading sports marketplace.Utilize cutting-edge development tools and AI-driven workflows to enhance development speed and code quality.Bring your passion for sports, markets, and technology, along with a curiosity for solving complex computer science challenges.A Bachelor's or Master's degree in Computer Science or a related field is required.Minimum of 3 years of professional experience in building frontend applications.Proficient in TypeScript, React, and React Native; familiarity with Node.js and GraphQL is a plus.

About TitanTitan is an innovative and award-winning wealth management firm dedicated to revolutionizing the financial landscape for our generation. Our mission is to democratize access to wealth management services by providing everyone with a personal wealth advisor at their fingertips. Traditionally, such services have only been available to the ultra-wealthy, but with Titan, we are changing that narrative. Utilizing cutting-edge technologies like artificial intelligence, we empower our advisors to cater to clients who have long been underserved in this space. Supported by renowned investors such as a16z, General Catalyst, and Sam Altman, we proudly manage over $1 billion in assets for clients nationwide.Why Join Titan?Visionary Goals: Be part of a transformative vision that aims to elevate our generation's wealth.Timeliness: The rise of LLMs allows us to provide personalized wealth management solutions now more than ever, and we are driven by this urgency.Significant Impact: Join a small, dynamic team where your contributions will make a substantial difference.Collaborative Culture: Experience a vibrant in-person culture, working closely with our founders and team members.Competitive Compensation: Enjoy attractive cash compensation and above-market equity options, ensuring you are a true owner in our mission.Esteemed Backers: Work with a team supported by top-tier investors who share our ambitious vision.Role OverviewWe are seeking a talented Senior Full Stack Engineer to design and implement end-to-end features on both web and mobile platforms. You will collaborate with Product, Design, and Backend teams to deliver seamless user experiences across our React (web) and React Native (mobile) applications. The ideal candidate is passionate about tackling real user challenges through elegant design and exceptional engineering.

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.

Join Lab49 as a Lead UI Engineer, where you'll leverage your expertise in React to craft innovative user interfaces for top-tier financial institutions. In this pivotal role, you will collaborate within dynamic, cross-functional teams, directly engaging with clients to develop bespoke technological solutions that address complex challenges. Your contributions will drive the performance and productivity of our prestigious clients, making a significant impact on their operations.

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

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.