Senior Full Stack Software Engineer

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 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.

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.

About Standard BotsAt Standard Bots, we aim to democratize real-world automation, merging the digital and physical realms to enhance productivity across diverse industries. Our innovative applications and APIs empower individuals and developers alike to tackle challenges without needing extensive backgrounds in robotics or automation. With a strong emphasis on user-friendliness, we bring transformative potential to new users and sectors.Your Role:We are seeking experienced technical leaders to help shape the future of robotics using modern software engineering methodologies. As a Senior Full-Stack Software Engineer, you will collaborate with fellow engineers, leadership, and users to enhance products that significantly impact our users and unlock new opportunities for them. Location and BenefitsThis position is hybrid, requiring 3 days a week onsite at our NYC office, conveniently situated near Grand Central Station. Our office is equipped with robots for demonstrations and testing!Key Responsibilities:Identify, scope, and lead impactful technical and user-facing projects.Provide strategic technical guidance to leadership.Mentor and support fellow engineers in their technical and personal development.Drive technical decision-making through hands-on, in-depth work.Technology Stack:Front-end: React, TypeScriptBack-end: Node.js, Python, C++Containerization: KubernetesVirtualization: DockerCI/CD: GitHub ActionsWho You Are:No prior experience in robotics is required or preferred.We seek engineers who are motivated, optimistic, innovative, and resourceful. While a robotics background is not needed, we find candidates thrive when they are enthusiastic about this domain and eager to apply their skills in a new context.Our ideal candidate will engage in approximately 70% back-end and 30% front-end work, with flexibility to adjust focus as needed.

Role overview Pearl Health is hiring a Senior Full Stack Software Engineer. This role focuses on building and improving web applications that support healthcare technology. The position can be based in Seattle, New York City, Boston, or fully remote. What you will do Develop web applications that are reliable and can scale as usage grows Work with teams across product, design, and engineering to create new features and solutions Contribute to both front-end and back-end codebases, helping projects move from early ideas to launch Find ways to improve user experience within Pearl Health's products Who succeeds in this role Experienced engineers comfortable working across the stack Those who enjoy collaborating with a variety of disciplines People who care about building technology that supports better healthcare outcomes

About AdaptiveAdaptive is a dynamic and rapidly expanding vertical AI company based in New York City, dedicated to revolutionizing the real estate and construction sectors through our AI-native ERP solutions. With a customer base exceeding 600 and an impressive $26 million in funding from top-tier investors such as Emergence and a16z, along with contributions from industry leaders at Brex, Ramp, Airbase, Square, and Shopify, we are poised for exceptional growth.Why Choose Adaptive?Empower Local CommunitiesJoin us in supporting the small businesses that are the backbone of our communities. From your local café to innovative housing solutions addressing the housing crisis, our customers are passionate professionals who bring neighborhoods to life through their craftsmanship.Be Part of an Innovative TeamAt Adaptive, we foster a culture of collaboration and execution. With a talented team rooted in finance, technology, and construction, we are equipped with the momentum and vision to thrive in a rapidly evolving market. Your contribution could help shape our success.Role OverviewWe are thrilled to invite a Senior Full Stack Software Engineer to join our ambitious team. In this pivotal role, you will leverage your technical expertise to steer our engineering initiatives and ensure the deployment of outstanding software solutions.Reporting directly to the VP of Engineering, you will collaborate with our team of 15 engineers and product specialists, playing a critical role in the architectural design, development, and enhancement of our innovative products.Key ResponsibilitiesLead project execution and delivery in partnership with the product and design teams.Align technical strategies with business objectives and product vision.Facilitate technical discussions and decision-making processes that align with company goals.Set a high standard by writing clean, maintainable, and efficient code.Preferred Qualifications5+ years of professional experience in software engineering, with a focus on full-stack development.Proficiency in modern programming languages and frameworks, including but not limited to JavaScript, Python, and React.Strong experience with cloud services and deployment processes.Excellent problem-solving skills and a passion for delivering high-quality software solutions.

Key ResponsibilitiesSoftware Architecture & Development: Contribute significantly to the design and implementation of scalable, high-performance software solutions across the entire technology stack.Comprehensive Engineering: Create and develop sophisticated web applications that feature intricate interaction patterns and adaptable components, leveraging Python, TypeScript/React, and PostgreSQL.API & Backend Development: Design, implement, and manage server-side applications, APIs, and database systems that drive our platform's functionality.Collaborative Approach: Collaborate closely with Product, Design, Customer Success, and Sales teams to deliver impactful features that address significant customer needs.Technical Leadership: Lead engineering projects, provide guidance on technical direction, and serve as a systems architecture expert for complex initiatives.Code Quality & Best Practices: Maintain high standards of code quality through comprehensive testing, code reviews, and adherence to modern software engineering practices.Mentorship: Foster growth in junior engineers by providing mentorship and technical support to elevate the team's overall technical proficiency.QualificationsMinimum of 5 years of experience in full-stack engineering, utilizing modern technologies such as Python, TypeScript/React, and PostgreSQL.Proven expertise in systems design, particularly in creating scalable and efficient software solutions.Strong product intuition, capable of empathizing with users, prioritizing minimum viable products (MVPs), and determining subsequent features.Ability to balance speed with quality, ensuring rapid delivery without sacrificing the integrity of long-term architecture.Comfortable navigating ambiguity, adept at identifying gaps, and skilled at prototyping to validate ideas prior to full-scale development.Exceptional problem-solving abilities, keen attention to detail, and a preference for both independent and collaborative work environments.Experience with analytics tools or health technology is advantageous.Minimum RequirementsExtensive knowledge of Python and contemporary web frameworks, with a demonstrated capability to scale client-facing applications.Solid foundation in systems design principles and their associated trade-offs.Proficient in frontend technologies including React, TypeScript, JavaScript, CSS, and web components.

Join Braze, a leading customer engagement platform, as a Senior Full-Stack Software Engineer. In this role, you will be responsible for developing innovative solutions that enhance user experience and drive business success. Collaborate with cross-functional teams to build scalable web applications and contribute to the overall architecture of our platform.

At HighlightAI, we are pioneering a shared intelligence layer designed for the modern workforce. Our platform integrates context across every member and tool within your team, effectively eliminating information silos. As your organization evolves, HighlightAI adapts, proactively routing knowledge and reliably automating workflows.The RoleWe are in search of a Senior Full-Stack Software Engineer to assume responsibility for the native application components of our product. HighlightAI’s core application relies on accurately capturing context from users’ devices, and we need a skilled engineer to enhance runtime performance, ensuring it meets production standards with low latency, minimal weight, and high reliability.This position is highly technical and suited for an individual passionate about working at the intersection of desktop software, native development, and AI integration, thriving in a dynamic and collaborative atmosphere.Note: This position requires on-site presence in our office five days a week.Job ResponsibilitiesLead the architecture and implementation of HighlightAI’s native desktop runtime for both macOS and Windows platforms.Enhance performance, stability, and resource efficiency in native processes.Implement comprehensive telemetry, diagnostics, and monitoring solutions to identify regressions and expedite debugging.Collaborate with backend engineering, machine learning engineering, and product teams to deliver seamless end-to-end features across the desktop application and backend systems.Establish best practices in native development, testing, release processes, and ensure cross-platform compatibility.ProfileWe are looking for a visionary individual interested in shaping the AI user experience of the future. At HighlightAI, we prioritize extreme ownership, accountability, and proactiveness.This role will tackle complex systems challenges, including ASR reliability, native event capture performance, OCR/accessibility latency, and on-device inference, enabling HighlightAI to scale effectively without sacrificing responsiveness or quality. The ideal candidate will be adept at troubleshooting OS-specific edge cases, enhancing telemetry and observability, and deploying features that necessitate deep integration with native APIs.You will be a strong candidate if you possess:5+ years of software engineering experience, particularly in shipping native desktop software.Deep familiarity with both macOS and Windows development environments.Proficiency in building high-performance, reliable applications.

In the time it takes you to read this job description, RapidSOS will have handled approximately 1,380 emergencies.At RapidSOS, we are dedicated to leveraging technology to create a safer and stronger future while uniting to save lives. As we enter an exciting phase of growth, we are welcoming new team members from around the globe to join our mission-driven, ambitious, and inclusive organization. Our work is built on core values of elevating purpose, inventing tomorrow, delivering with urgency, serving with integrity, and winning together. These values foster a culture where innovation, collaboration, growth, and meaningful impact are at the forefront.RapidSOS is the leading public safety AI company that empowers first responders and security teams with crucial intelligence for faster, smarter, and more accurate emergency responses. Our HARMONY AI engine draws real-time data from the world's largest safety network, comprising over 700 million devices, 200+ global enterprises, and more than 23,000 federal, state, and local agencies. Discover more at www.RapidSOS.com.Role Overview:Are you enthusiastic about developing systems that have a significant real-world impact at scale? At RapidSOS, we engineer technology that enhances operational efficiency through real-time data, ensuring that life-saving information is delivered promptly and reliably during critical moments.We are looking for a Senior Software Engineer to design and implement scalable, reliable backend systems that support the core engine of our B2B platform. While this role leans towards backend development, you will oversee features from inception to deployment—crafting how they are developed across various services, data flows, AI-driven functionalities, and user experiences for seamless and dependable operations. You will work closely with product and engineering teams to enhance a platform utilized by leading organizations, ensuring our systems remain resilient, high-performing, and scalable in crucial situations.Your Responsibilities:Architect, design, and implement new features utilizing Python and TypeScript.Lead strategic architectural decisions, promote alignment, and optimize applications for performance, scalability, and accessibility.Employ best practices in software development, including unit tests, integration tests, performance tests, monitoring, and comprehensive functional specifications.

As a Senior Full Stack Software Engineer at Verse Medical, you will be at the forefront of developing innovative healthcare solutions that revolutionize patient care. You will work collaboratively with a team of talented engineers and designers to build scalable applications that enhance user experiences. Your expertise in both front-end and back-end development will be crucial in delivering high-quality software that meets the needs of our clients.

At Profound, we are dedicated to empowering businesses to gain insights and control over their AI footprint. As a Full Stack Software Engineer, you will play a crucial role in designing and developing high-performance applications that deliver AI-driven analytics. You will engage in a broad spectrum of development tasks, from creating intuitive and engaging front-end interfaces to optimizing robust back-end systems, all while ensuring exceptional performance, scalability, and effectiveness.Your ResponsibilitiesDesign and deploy full-stack applications that facilitate AI analysis and management for our clients.Craft and enhance high-quality user interfaces using React and TypeScript.Architect and fine-tune back-end services for optimal performance, security, and scalability.Collaborate closely with product and design teams to turn innovative ideas into production-ready applications.Take ownership of critical technical decisions, ensuring code maintainability and long-lasting impact.Your ProfileA strong portfolio or GitHub showcasing your full-stack development skills, with proficiency in React, TypeScript, Node.js, and contemporary front-end and back-end frameworks.Proven experience in designing and managing scalable databases and APIs.In-depth knowledge of performance enhancement, security protocols, and industry best practices.Thrives in a dynamic, high-speed startup environment.Work EnvironmentThis position requires on-site presence at our Union Square office in NYC, tailored for innovators who excel in rapid development and impactful contributions. We are open to providing visa sponsorship for eligible international candidates.The expected base salary for this role is between $140,000 and $260,000. Profound's comprehensive compensation package is designed to be competitive, incorporating base salary, equity, and an array of benefits. The final compensation will reflect your skills, experience, and location, and will be discussed during the interview process. Our recruitment team will provide additional details about the complete compensation package and benefits throughout the hiring journey.

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....

Join Forerunner: A Leader in Climate Adaptation At Forerunner, we believe that adapting to climate change is essential for every community. Our mission is to provide impactful software tools that enable local governments to effectively plan for future challenges. Climate change presents intricate issues that affect urban planning, capital management, and communication between governments and citizens. We empower communities to access, interpret, and leverage crucial flood risk data at scale. Your Role as a Senior Full-Stack Engineer We are on the lookout for a Senior Full-Stack Engineer who possesses over 5 years of product engineering experience to become a key member of our Data, Platforms, and Infrastructure team. In this role, you will develop features that contribute to building resilient communities, ranging from real-time flood risk visualizations to automated permit workflows that significantly reduce response times. This position involves direct product ownership, working closely with government users who are at the forefront of climate adaptation efforts. Your responsibilities will encompass both backend and user-facing functionalities utilizing technologies like TypeScript, React, PostgreSQL with PostGIS for geospatial analysis, and AWS. You will process a variety of geospatial datasets, develop intuitive interfaces for complex grant application workflows, and build APIs that integrate with diverse government systems, modernizing how America prepares for and adapts to climate change. We value flexibility in scheduling and expect accountability in return. Currently, we are unable to sponsor H1-B visas; therefore, candidates must have permanent residency or citizenship. We strongly encourage applications from individuals within underrepresented groups, as the climate change challenge impacts us all, and we aim to reflect this diversity in our team.

About UsAt NewForm, we are revolutionizing the marketing landscape by creating innovative tools tailored for the modern advertising era. As the industry shifts towards a content-first approach, traditional audience-focused marketing analytics are becoming less effective. We pride ourselves on being a tech-enabled service, combining our proprietary technology with expert services to deliver measurable outcomes for our clients.Our Advanced ProductsOur AI-driven toolkit features:Framework: A unique statistical engine optimizing creative testing by 30%, enhancing budget efficiency and speeding up the identification of successful content.WillBot: An AI-integrated Slack chatbot designed to keep teams updated on their marketing metrics in real-time.More: Custom solutions for reporting, dashboards, and media buying automation.Our ImpactWe collaborate with forward-thinking brands across various sectors, such as Acorns, Bluechew, Found, Coffee Meets Bagel, RentApp, and Western Union.Our Competitive EdgeWhat differentiates us is our rare blend of extensive marketing knowledge and state-of-the-art AI technology. We apply years of practical marketing experience to create solutions that achieve tangible results, leveraging a robust network of existing client relationships to expedite and enhance our offerings.Your RoleOwnership of Projects: You will manage projects from inception to deployment. We're seeking a candidate who has experience establishing production systems and is not hesitant to construct and launch products from ground zero.You will work independently, closely collaborating with leadership to outline the product roadmap and implement new features. There are no product managers here; you will engage directly with our internal team and clients, developing solutions that truly impact results.Full-Stack Expertise: You should possess strong experience with LLM, Node/Typescript, and React (Next.js), and be open to learning new technologies. Our current stack includes a Typescript backend, Next.js frontend, and LLM API for chat and classifiers. As our product evolves, you will be equipped to address challenges as they arise.

About the RoleJoin april as a Senior Full-Stack Engineer, where your innovative mindset and data passion will contribute to revolutionizing tax solutions for millions. We're seeking a talented individual ready to lead projects, enhance customer experiences, and drive professional growth. Based in the New York City metropolitan area? You'll need to collaborate on-site at least three days a week.Key ResponsibilitiesTake ownership of end-to-end projects that impact millions of users, from concept to deployment.Collaborate with product management and UX teams to define product specifications and ensure seamless execution.Architect robust system designs and evaluate tool selections to optimize performance.Develop cloud-native microservices that enhance our platform's functionality.Mentor team members and elevate our technology stack and practices.

About N1:N1 is a groundbreaking, hyper-efficient, and horizontally scalable blockchain network, crafted to facilitate trustless computing on an internet scale. Our diverse team boasts expertise from prestigious institutions such as Harvard, CMU, DFINITY, VMware, and Galaxy Digital, and is supported by leading investors including Founders Fund, Kraken Ventures, SALT, and Amber Group.Position Overview:We are on the lookout for a dedicated Full Stack Software Engineer to become a vital part of our engineering team. This full-time role encompasses the development of front-end, back-end, and database applications, particularly focused on innovative blockchain products. The ideal candidate will be highly organized, service-oriented, resourceful, and possess a strong product mindset. You will take ownership of enhancing our web platforms and internal tools, ensuring they are user-friendly, secure, and optimized for high performance.

Join Playground: Innovating Child Care SolutionsAt Playground, we are on a mission to make exceptional child care accessible to everyone. Our cutting-edge software is designed to streamline every aspect of managing a child care business. With millions in funding and numerous statewide contracts, we proudly support thousands of schools nationwide. Our founders have earned recognition from Forbes as part of their 30 Under 30, highlighting the significant impact of our work.As we experience rapid growth, we're eager to expand our engineering team. Playground values team members who are proactive and willing to tackle complex projects head-on.Your Role: Full Stack EngineerAs a vital member of Playground's engineering team, you will have the opportunity to create innovative products from the ground up. Your work will encompass everything from the APIs and backend services that drive our platform to the user-friendly frontend experiences. You will directly influence the future of child care, contributing to products that serve thousands of child care providers, agencies, and government organizations.This role requires a holistic understanding of the tech stack. You will take ownership of projects from start to finish: designing and scaling essential backend systems, developing high-performing and maintainable frontend features, and everything in between. We seek self-motivated individuals who thrive on ownership, respond with urgency, and are excited to leverage modern AI coding tools to enhance their productivity.

About BettermentBetterment is a premier technology-focused financial services firm dedicated to providing innovative investing and retirement solutions for individual investors and financial advisors. We also offer comprehensive financial wellness services, including a streamlined 401(k) plan for small and medium-sized enterprises. Our passionate team is committed to our mission: empowering individuals to build wealth with confidence and ease. We are based in NYC and offer hybrid positions requiring in-office attendance four days a week.About the Role:The Advisor Experience team is on a mission to create the leading full-service investment management platform in the market. As part of Betterment Advisor Solutions, our focus is on equipping financial advisors with the essential tools to effectively manage their clients on our platform. We take immense pride in delivering exceptional user experiences that simplify complex needs. We are seeking a technical leader who will propel this team forward while maintaining high standards for quality and execution for Core Registered Investment Advisors.As a senior engineer, you will be instrumental in designing and implementing intricate systems within our domain, guiding your team's full stack development practices, and collaborating with senior engineering leaders to enhance Betterment's technology, ensuring high performance, reliability, and an outstanding developer experience.If you have a passion for creating delightful customer experiences and developing scalable, high-performance web applications in a collaborative, forward-thinking environment, we would love to welcome you to our team.