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Lead Senior React Developer Jobs

10,000 active opportunities · Updated for October 2026

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Explore current lead senior react developer jobs. Use filters to narrow by work mode, employment type, experience and date posted.

R
Reformation
📍 San Francisco• $22 – $28/hr
2 days ago

Who we are: Since 2009, we've been on a mission to bring sustainable fashion to everyone. Named one of Fast Company’s Brands That Matter and winning a Best Carbon Footprint award, we have big goals like being Climate Positive by 2025 , Circular by 2030 , and pushing the whole industry forward along the way. Our work has gotten love in Drapers and Sourcing Journal , and TIME wrote about how great our CEO, Hali Borenstein, is. Basically, we're saving the Earth and looking damn good doing it. We're a global brand with 50+ stores (and counting) around the world, and our own sustainable factory in LA . We innovate across categories like accessories , swimwear , and sleepwear , and we reach millions of people with campaigns like this , this and this . None of this work is possible without the incredible people behind it. We're a mission-based company that invests in an inclusive culture, so we can innovate together and ensure everyone has the space to grow, thrive, and belong. And starting right now, we want to do all that with you. Work Location/ Schedule: Available to work a minimum of 30 hours per week, but up to 40 hours per week Daily open availability across a full 7 day work week Able to work flexible schedule (days, nights, weekends, & holidays if required to meet the needs Full Time Sales Lead At Reformation, the sales lead is an elite sales professional and a central figure in the Reformation store ecosystem. This is an elevated, commission-based role designed for a high-performing entrepreneur who views retail as a career. You are a Wardrobe Consultant, responsible for managing a private book of business, driving exceptional SPH, and acting as a trend authority. You don't just facilitate transactions; you foster long-term loyalty through expert service and sophisticated clienteling leading to transformational experiences. Reporting to the Store Manager, essential responsibilities include but are not limited to: What You’ll Do Drive Performance &

B
Baseten
📍 San Francisco• Full-time• Remote• $165K – $330K/yr
2 days ago

ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F , led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE Container runtimes were designed for general-purpose software workloads. AI inference is not a general-purpose workload. Running large models at production scale exposes cracks in every layer of the container stack: runtimes unaware of GPU memory constraints, images that take minutes to pull when a model needs to scale to thousands of replicas, and isolation mechanisms that weren’t designed for the multi-tenant serving environments that production AI requires. The tools the industry has relied on for a decade weren’t built for this, and patching around those limitations at higher layers only goes so far. Baseten owns the entire pipeline, from the moment a developer pushes a model to the moment a request gets a response. That vertical ownership means we can fix these problems at the root. The Runtime Fabric team is doing exactly that: purpose-building the container runtime and storage layers for AI inference workloads, led by some of the world’s top containerd maintainers. As Engineering Manager for Storage Products on the Runtime Fabric team, you will lead the engineers who build and run the storage products behind that stack: the Baseten Delivery Network (BDN), which sits in the cold start path of every model on the platform, the snapshotters and filesystems that expose model weights and container images to a running container, and the storage that model deployment and training need next. The team is advancing

REMOTEkuberneteslinuxmachine learning
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Z
2 days ago

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. We are looking for a Sr. Manager, People Data Infrastructure and Platforms to join our team. This is a Hybrid role located at our Santa Clara, CA HQ or Bellevue, WA office, reporting to the VP, People & Culture AI and Data. In this role, you will lead the evolution of our workforce data ecosystem by establishing a trusted, governed data foundation and scaling intuitive analytics products across the enterprise. You will bridge technical architecture and business execution, partnering with cross-functional teams to eliminate manual reporting dependencies and enable AI-powered workforce intelligence. What you’ll do (Role Expectations) Manage and scale the People data foundation across our enterprise data ecosystem, overseeing workforce data models, pipelines, and data quality on Snowflake to deliver certified, trusted workforce data Establish and enforce data governance and metric certification standards, driving alignment

aiPower BITableau
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 Hawaii• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Str

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Str

REMOTEairecruitment
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P
Pfizer
📍 California• Remote• $108.6K – $250.7K/yr
2 days ago

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Dermatology Organization Mission & Impact Pfizer’s Dermatology organization exists to improve the lives of people living with serious skin disease by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need - promoting Pfizer dermatology products compliantly, helping customers understand appropriate use, and reducing access and workflow barriers so more patients can start and stay on the right therapy. The impact is better, more consistent outcomes for patients and a higher standard of care across the dermatology community. Patient impact at scale: Expand appropriate identification, initiation, and persistence through customer engagement and access pull-through. Market shaping through evidence: Reinforce evidence-based value narratives using approved materials to support informed treatment decisions. Stronger care pathways: Partner across the matrix and with dermatology practic

REMOTEairecruitment
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I
Illumina
📍 California• $129.4K – $194K/yr
2 days ago

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. Exciting opportunity to serve as the Program Manager for Illumina's High Throughput Sequencing (HTS) portfolio, including NovaSeq X and NovaSeq 6000 platforms. The Staff Program Manager is responsible for driving execution of on-market platform priorities, sustaining initiatives, product improvements, lifecycle management activities, and cross-functional governance across Development, Quality, Operations, Regulatory, Commercial, Service, and Supply Chain organizations. This role serves as a key operational partner to the Product Technical Lead and platform leadership team, translating strategic priorities into executable plans and ensuring timely delivery of critical initiatives that improve customer experience, platform reliability, quality, compliance, operational efficiency, and business performance. Operating in a highly matrixed environment, the ideal candidate is an experienced program leader with exceptional planning, communication, risk management, and stakeholder management skills who can independently lead complex cross-functional initiatives and influence decisions across multiple organizations Responsibilities

artificial intelligenceaiPMP
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I
Illumina
📍 California• $129.4K – $194K/yr
2 days ago

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. Position Summary Illumina is seeking a Manager, R&D Strategic Partnerships with strong program management expertise to lead execution across complex, R&D strategic partnerships and strategic account programs. This role will translate strategic objectives and partner commitments into actionable program plans, establish effective governance, guide cross-functional teams, and coordinate delivery across R&D and other functions. Depending on the partnership model, the role may also manage the external partner relationship and lead formal joint governance. Because the portfolio is evolving, the successful candidate must be comfortable bringing structure to ambiguity, working independently, managing multiple programs, and communicating effectively with internal leaders and external stakeholders. Key Responsibilities Program leadership: Serve as the accountable program manager for assigned partnerships, determin

artificial intelligenceai
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This is where your work makes a difference. At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond. Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results. Here, you will find more than just a job—you will find purpose and pride. Quality leadership at Baxter directly influences the safety, reliability, and availability of products used in patient care around the world. As Vice President, Global Quality Assurance for MDS, you will lead quality strategy across three global medical device businesses, supporting products from development through post-market use. You will strengthen quality systems, guide critical product decisions, and build a high-performing organization that enables innovation while protecting patients and maintaining regulatory compliance. Your Role at Baxter As Vice President, Global Quality Assurance, you will set the strategic direction for the MDS Quality organization and serve as a key member of the MDS and Global Quality leadership teams. Your scope will include global manufacturing quality, research and development quality, design quality, product quality, supplier quality

supply chainrecruitment
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