Senior Lead React Developer Jobs

We take play seriously. We’re looking for curious adventurers ready to find their party, fueled by imagination and drive to build what’s never been built before. At Hasbro and Wizards of the Coast, you’ll collaborate with passionate teams to reimagine our iconic brands and create experiences that spark joy, connection, and community through the magic of play. This is your chance to shape legendary play that lasts a lifetime. At Wizards of the Coast, we connect people around the world through play and imagination. From our genre-defining games like Magic: The Gathering® and Dungeons & Dragons® to our growing multiverse, we continue to innovate and build new ways to foster friendship and connection. That’s where you come in! We are looking for a Senior Software Engineer to join our Business Systems Engineering (BSE) organization. We build the platform and applications that power the creation and production of Magic: The Gathering®, Dungeons & Dragons®, and Duel Masters®. These products drive over $2 billion in annual revenue and are beloved by millions of players worldwide. The systems we build are what make that work possible. This is a role with high impact and real stakes. You'll set technical direction, shape engineering culture, and lead others while staying hands-on. You'll work on the cutting edge of AI-driven software development, pairing technical excellence and engineering discipline with AI-accelerated delivery ensuring quality, reliability, and long-term maintainability. We're on a journey to make history, and we want you to help lead it! If you're motivated by ownership, care deeply about the craft, and want to build something that matters — join the party. What You'll Do: Design and develop services and applications on AWS that are core to our product creation platform. Influence and champion and engineering standards across the org, resulting in effective system design at both the application and service level. Leverage and enhanc

Location Details: At GoDaddy the future of work looks different for each team. Some teams work in the office full-time; others have a hybrid arrangement (they work remotely some days and in the office some days) and some work entirely remotely.​ This is a remote position, so you’ll be working remotely from your home. You may occasionally visit a GoDaddy office to meet with your team for events or meetings. Join our team When GoDaddy's customers are considering a new venture, it often starts with a name. The Search Results team (SERP) plays a key role in that mission by building the discovery experience that helps customers find the right domain name and products for their idea. We're a small team that moves quickly, holds a high bar for craft, and ships work that impacts millions of customers. We’re looking for a Senior Software Engineer to help shape our search and discovery experiences. This is a hands-on individual contributor role. You’ll lead by example through the quality of your code, the decisions you make, and the way you help others succeed. You’ll have opportunities to lead projects, influence technical direction, mentor peers, and speak up when you see a better path. What you'll get to do... Build and ship frontend experiences that help customers find the right domain, including match quality, smart alternatives, favorites, and AI-enabled experiences Lead projects from problem definition through technical design, implementation, launch, measurement, and production ownership Improve how the team ships by building internal tools, automation, and reusable engineering patterns Your experience should include... 7+ years of professional software development experience Strong proficiency building modern web applications with React, JavaScript, and Node.js Practical experience with deployment, CI/CD, observability, and production ownership Experience using AI-assisted development tools such as Claude Code, Cursor, Copilot, or similar tools wi

The Opportunity Typography is central to how ideas are communicated. If you're passionate about beautifully created design, have deep curiosity about what AI can do, and take personal responsibility for creating products that people love; then this may be the role for you. Adobe Fonts supports millions of creatives in choosing and using typefaces across fonts.adobe.com, Express, Photoshop, Illustrator, Acrobat, and more Creative Cloud platforms. Our Internal Services team provides the platform engineering and deployment backbone for all of these. We manage CI/CD, deployment approaches, the services and data layers our engineers depend on, our observability and security stance, and increasingly the agentic tools that transform how our entire organization delivers software. We're seeking a Senior Software Development Engineer to lead this exciting journey in our San Francisco location. What you'll do Own and evolve our deployment platform. Lead strategy for CI/CD, PR environments, and release safety across a mixed fleet that includes containerized services, serverless services, and static front ends. Build the foundation for AI-accelerated development. Help build our agent factory and grow our internal agentic toolkit and skill library. Ship inference applications at scale. Take greenfield services from spec to production and standardize our ML/inference footprint. Modernize our services for the AI era. Identify where an existing service is held back by its current build and lead the fix. Rethink our security posture for agentic threats. Lead how we secure autonomous agents and their tool use. Expose Adobe Fonts to the agentic ecosystem. Extend our Model Context Protocol (MCP) surface and conversational, intent-based font discovery. Work higher up the stack, too. Contribute directly to search, browse, discovery, and the customer-facing experie

Beacon Biosignals is transforming precision medicine for the brain, from clinical development to clinical care. For Life Sciences partners, we offer the leading at-home EEG platform for clinical development of novel therapeutics for neurological, psychiatric, and sleep disorders. Our Diagnostics business is building the most comprehensive at-home platform for precision diagnostics, combining EEG and cardiopulmonary signals to deliver reimbursable assessments for sleep and central nervous system disorders. Together, we're changing the way patients are diagnosed and treated for any disorder that affects brain physiology. As a Senior Mobile App Engineer, you'll help power Beacon's mission by building the cross-platform React Native apps that patients and clinicians use with our EEG headbands and other wearables. Your work will shape how people capture high-fidelity data and how easily they move through clinical trials and at-home diagnostics. This isn't just another app. You'll build tools that help unlock insights into neurological, psychiatric, and sleep disorders, with the potential to improve lives at scale. Beacon's robust asynchronous work practices ensure a first-class remote work experience, and we also have in-person office hubs in Boston and New York. For this position we will consider candidates based anywhere in the US Eastern time zone. What success looks like As part of our small, mission-driven Mobile Apps Team, you will: Lead development of our React Native mobile applications across iOS and Android. Design and implement UX workflows for clinical trial participants and at-home diagnostic patients. Own the user experience, performance, reliability, and observability of the apps and features you build, using feedback from real users across diverse use cases and environments. Work with engineers on our native iOS and Android BLE device SDKs to integrate device capabilities cleanly into the app. Partner with our Devices team, other Platform teams, and produ

Here’s a summary of the role: In this role, you will shape the future of governance, risk, and compliance by leading engineering teams to build the next generation of GRC products that turn compliance from a reactive obligation into a strategic engine for resilience, innovation, and value creation. You will use your technical leadership to drive technical strategy for AI-first, data-driven, and integrated GRC platforms that predict risks, orchestrate intelligent workflows, and provide real-time visibility across cyber, ESG, and operational domains. Drawing on your passion for leveraging AI and automation tools, you will partner closely with product and risk leaders to design agentic and generative AI capabilities that make complex regulatory landscapes manageable and keep organizations both compliant and resilient in a rapidly changing world. At the same time, you’ll be coaching engineers to grow as architects, innovators, and owners - creating a culture where modern engineering practices, ethical governance, and human-centered decision-making are at the heart of every solution you deliver. Here’s a breakdown of what you’ll do (not all of it, just the important stuff): Lead and grow multiple agile engineering teams, fostering collaboration, accountability, and an inclusive, high-performing culture. Define and own the technical roadmap with stakeholders, ensuring timely delivery of scalable, maintainable solutions. Champion responsible use of AI and automation, integrating models, APIs, and AI-assisted tools to boost efficiency and product capabilities. Align technical strategy with business goals, representing engineering in cross-functional initiatives and promoting a transparent, impact-driven culture. Mentor and coach engineers at all levels, driving continuous learning, feedback, and career development. These are the essentials you’ll need to get an interview: 12+ years of total softw

Position Overview: We are looking for a Senior Software Engineer to drive technical excellence, architect complex systems, and elevate our engineering team. You will own critical technical decisions, lead major initiatives from conception to delivery, and set the standard for engineering quality across our products. As a senior engineer, you will architect and lead the development of sophisticated AI-enabled features and infrastructure. This includes designing MCP server architectures, building advanced RAG systems, implementing agentic AI workflows, and establishing patterns that scale across our product portfolio. You will combine deep technical expertise in both traditional software engineering and AI/ML to deliver production-grade solutions. What You'll Do Lead the design and implementation of AI integration infrastructure (MCP servers, orchestration layers, API gateways) Build sophisticated AI features including advanced RAG systems, agentic workflows, and multi-step reasoning Establish AI engineering best practices, security patterns, and quality standards Lead technical initiatives from requirements through production deployment Make critical architectural decisions balancing performance, scalability, cost, and maintainability Design AI evaluation frameworks and implement quality benchmarks Debug and resolve complex production issues across traditional and AI systems Required Qualifications Tech Stack Core: Node.js, React, TypeScript, AWS, PostgreSQL, MSSQL, Docker AI & Integration: Python, MCP, AWS Bedrock, LangGraph/Semantic Kernel, Vector Databases, RAG Core Technical Skills 5+ years professional development with proven track record of delivering complex systems Strong Node.js and JavaScript/TypeScript expertise Advanced React and frontend architecture skills Extensive AWS architecture experience Expert PostgreSQL database design, optimization, and performance tuning Deep understanding of microservices, distributed systems, and

The HD Mapping team is seeking an experienced full-stack engineer to lead development of the web services that support the creation, cataloging, and maintenance of 3D HD maps deployed across Zoox’s fleet. This role will be instrumental in scaling our mapping operations into multiple new cities. In this role, you will: Own and architect backend services (FastAPI) for the HD Mapping team's web infrastructure Support development of frontend tools for interacting with Zoox’s maps (TypeScript, React, MUI, Deck.gl) Automate complex pipelines and workflows Mentor team members on web technologies and distributed systems You will establish guidelines and refactor existing code to follow best practices Qualifications Strong experience in backend development and distributed systems Frontend experience and knowledge of best practices (proficiency in Python, TypeScript, and React) Knowledge of relational database design (Postgres) and RESTful API development Proven ability to lead technical initiatives and mentor others Experience automating complex workflows (Airflow) Bonus Qualifications Experience with FastAPI, Kubernetes, and ArgoCI Knowledge of geospatial data and coordinate systems About Zoox Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team. Follow us on LinkedIn Accommodations If you need an accommodation to participate in the applica

MongoDB Engagement Managers are quota-carrying Professional Services sales leaders responsible for discovering customer business initiatives, developing services strategies, scoping and negotiating engagements, and driving Professional Services bookings that accelerate customer outcomes and MongoDB adoption. As a Services Seller Engagement Manager, you will be a key leader within the PS team, work cross-functionally with the Sales, Professional Services, and Customer Success organizations to shape how we will help our customers achieve their MongoDB vision. Top- performing Engagement Managers have a unique ability to develop multi-phased services strategies aligned to customer modernization, migration, AI, and application development initiatives, then align with both executive and technical stakeholders to build business cases, define outcomes, and secure investment in Professional Services engagements. To learn more about the Services Seller Engagement Management role, check out these insightful blog posts: Meet a Current Engagement Manager and How Engagement Managers Help Customers Succeed . This role can be based in New York City or Atlanta for our hybrid working model. What you’ll do at MongoDB Understand customer application portfolios and identify opportunities to design delivery programs related to modernization, cloud adoption, AI enablement, and data platform transformation Lead discovery, solutioning, estimation, and commercial negotiations to convert customer business initiatives into Professional Services bookings Collaborate as part of a larger team alongside cloud partners, strategic partners, and your MongoDB account teams to develop and execute customer success and Professional Services growth strategies Maintain a strong sense of ownership, driving all deals or technical scopings from inception to closure Manage the Professional Services pipeline for bookings and revenue forecasts for your region Expertly articulate the business va

Beacon Biosignals is transforming precision medicine for the brain, from clinical development to clinical care. For Life Sciences partners, we offer the leading at-home EEG platform for clinical development of novel therapeutics for neurological, psychiatric, and sleep disorders. Our Diagnostics business is building the most comprehensive at-home platform for precision diagnostics, combining EEG and cardiopulmonary signals to deliver reimbursable assessments for sleep and central nervous system disorders. Together, we're changing the way patients are diagnosed and treated for any disorder that affects brain physiology. As a Senior Mobile Engineer focused on device connectivity, you'll help power Beacon's mission by building the native iOS and Android BLE layer that connects our EEG headbands and other wearables to the apps patients and clinicians rely on. Your work will determine how reliably we capture high-fidelity data in homes, clinics, and trial sites. This isn't just another app. You'll build tools that help unlock insights into neurological, psychiatric, and sleep disorders, with the potential to improve lives at scale. Beacon's robust asynchronous work practices ensure a first-class remote work experience, and we also have in-person office hubs in Boston and New York. For this position we will consider candidates based anywhere in the US Eastern time zone. What success looks like As part of our small, mission-driven Mobile Apps Team, you will: Lead development of our native iOS and Android BLE device SDKs. Own connection reliability, data throughput, and battery performance for device communication across a wide range of phones, OS versions, and real-world environments. Partner closely with our Devices team on firmware interfaces, GATT profiles, and device behavior. Expose device capabilities to our React Native applications through clean, well-tested native modules. Own the observability of device connectivity, using telemetry and field feedback from real u

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Join the pioneering Servicing International team at the forefront of Affirm's global expansion, building the foundational platform to launch our products into a new generation of international markets. This role will focus specifically on purchase protection, including disputes and refunds—a critical part of the user journey and an area of significant investment—to ensure trust and satisfaction for our newest customers. Success requires deep collaboration, and you will partner closely with European engineering counterparts and engineers across our global Servicing Engineering organization to build cohesive, scalable solutions. If you are passionate about creating world-class user experiences and excited by the challenge of launching products in new regions, join us. Help build the next generation of Affirm's platform and define our presence around the world. What you’ll do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts. You will foster a culture of quality and ownership on your team by setting or improving code review and design

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Join the pioneering Servicing International team at the forefront of Affirm's global expansion, building the foundational platform to launch our products into a new generation of international markets. This role will focus specifically on purchase protection, including disputes and refunds—a critical part of the user journey and an area of significant investment—to ensure trust and satisfaction for our newest customers. Success requires deep collaboration, and you will partner closely with European engineering counterparts and engineers across our global Servicing Engineering organization to build cohesive, scalable solutions. If you are passionate about creating world-class user experiences and excited by the challenge of launching products in new regions, join us. Help build the next generation of Affirm's platform and define our presence around the world. What you’ll do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts. You will foster a culture of quality and ownership on your team by setting or improving code review and design

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Senior Software Engineer - Full Stack Join Illumina’s Software team within R&D and play a lead role in the design and development of cutting-edge next generation data and analysis platforms to unlock the power of the genome – to transform healthcare and beyond. As a Senior Software Engineer, you will be part of an innovative, dynamic, and adaptive organization supporting new and on-market cloud-based products that streamline the generation, analysis, aggregation, and extraction of insights from data. Responsibilities: Be responsible for software development for new product initiatives and features Participate in all phases of software development from architecture/design through implementation, testing and deployment Actively look for ways to improve the customer experience and codebase Develop software components that meet standards of quality and architecture, including the documentation and implementation of unit tests, scripts, and test harnesses Writing clean, performant, and well-tested code Work in an Agile/Scrum environment to deliver high quality software.<

Curious Minds. Bold Ideas. Extraordinary Impact . We're transforming financial services through bold innovation and relentless execution. You bring the ideas and drive. We'll build what's next — together. Job Summary nCino is looking for a Senior Software Engineer to join our Global Banking Solutions engineering group, where you will help build the products financial institutions rely on to serve their consumer and business customers. You will lead development work across the full software lifecycle, contribute to architectural decisions, uphold code quality standards, and mentor teammates along the way. This is a role for an engineer who wants real ownership over technical direction and the opportunity to influence both what gets built and how the broader engineering organization builds it. The ideal candidate brings strong full stack experience, a track record of delivering in complex environments, and the communication skills to work effectively across engineering, product, and design. You think carefully about scalability and maintainability, thrive in cross functional delivery, and are energized by work that has a direct impact on how financial institutions serve their communities across nCino's global banking product lines. This role is a hybrid on-site position at our Global Headquarters in Wilmington, NC. Responsibilities Provide input on architectural decisions and guide team members around best practices. Incorporate the automated tests into applicable tickets and mentors other members of the team on automation strategies. Lead brainstorming sessions and propose innovative ideas and solutions. Identify opportunities & lead proof-of-concepts to demonstrate key functionality or validate critical technical aspects. Begin to consider scalability, maintainability, and best practices as the high-level design of the solution takes shape. Identify potential risks and provide mitigation strategies. Help choose technologies and tools used for the project.

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Trust & Safety Experience owns the customer journeys during authentication, verification, and fraud journeys. You will work as a Frontend engineer, contributing to web, and mobile interfaces. In this role, you will need to gain a deep understanding of the business, product and engineering context, and utilize that context to own and deliver high-availability and low-latency systems that Affirm customers use every day. What You'll Do · You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. · You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. · You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. · You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts. · You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. · You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For · You have 4+ years of experience of developing and architecting web applications using declarative UI frameworks like React or Vue. · You are proficient in working with Javascript/Typescript. · You have experie

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: iOS, Android, and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with the Home hub in the app or website, which expands into the various product offers and journeys a user can embark on with Affirm. This role will be at the forefront of our front end technical strategy, working closely with other experts across our mobile and web technologies, while also evolving and collaborating with every product experience team at Affirm. You’ll bring React with TypeScript expertise to work alongside our product engineering teams. You’ll be responsible for a range of tasks including coordinating and implementing broader product features from Figma or product requirements in high stakes critical projects, migrating and modernizing our web code implementation, design systems, and architecture, and doing this efficiently through building and/or reusing codemods, AI agent skills, and tools. What You'll Do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and availability of your team’s artifac