Senior React Developer Jobs

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p

WHAT IS BOX? Box(NYSE: BOX)はインテリジェントコンテンツ管理（ICM）プラットフォームのリーディングカンパニーです。Boxのプラットフォームは、企業のコラボレーション促進や、コンテンツのライフサイクル全体の管理、重要なコンテンツの保護、そしてエンタープライズAIによるビジネスワークフローの変革を実現することを目指しています。2005年に米国で設立され、JLL、モルガン・スタンレーなどを含む大手グローバル企業や、日本では約22,000社および日経225の85%の企業の業務効率化を支援しています。 Boxは、カリフォルニア州レッドウッドシティーに本社を置き、米国、ヨーロッパ、アジアに拠点を持っています。株式会社Box Japanは2013年に設立された日本法人です。 Boxでは、重要なコンテンツを扱うプラットフォームをさらに推進し、お客様の働き方に大きな変革を提供する、またとない機会があります。コンテンツは私達の業務の中心にあります。契約書、請求書、社員情報、財務情報、製品仕様、マーケティング資産などの部署間に跨る重要なビジネス・プロセスに含まれる数十億ものファイルや情報が日々流れています。私達のミッションは、コンテンツ管理にインテリジェンスをもたらし、お客様がデジタル・トランスフォーメーションを実現するお手伝いをさせていただくことです。このAIと膨大な業務コンテンツの融合による、大規模な働き方の変革期に、そのビジネスの最前線に貢献することが、Boxではできます。 WHY BOX NEEDS YOU Box Japan Consulting Teamにおいて 技術の専門家として顧客の未来を変えるプロフェッショナル を求めています。 BoxのTechnology Consultingチームは今、転換点にあります。SSOやデータ移行といった実装業務をこなすだけでなく、 お客様の業務課題を深く理解し、Box × 外部ソリューション（Salesforce、ServiceNow、Databricks、Snowflakeなど）を組み合わせた高付加価値なソリューションを自ら構想・提案・実装できる人材 が必要です。 あなたには、複雑なエンタープライズ案件を自律的に推進し、Boxの技術的価値をお客様に届ける役割を担っていただきます。BoxAI、Cursor、Claude Code、ChatGPT Enterpriseなど最先端のAI環境をいち早く活用できる環境で、 技術の深掘りと発信 を通じて、Consulting組織全体の底上げしていただくことを期待しています。 WHAT YOU’LL DO 複雑な顧客課題の解決をリード： 複数部門にまたがる業務・技術課題を分析し、Box Platformおよび外部SaaS（Salesforce、ServiceNow、Databricks、Snowflakeなど）との連携を組み合わせた、創造的かつ実行可能なソリューションを設計・実装する テクノロジー領域の案件を主体的にリードする： SSO統合、データ移行（Shuttle）、Box内部データ調査・分析、カスタムアプリ開発（Platform）、QA対応など多様な案件において、プロジェクト全体の目標・設計・スコープ・成果物・スケジュール・リスクを定義し、完遂まで自律的に推進する 顧客折衝・要件定義のオーナーシップ： お客様のエグゼクティブから技術担当者まで多様なステークホルダーと向き合い、要件定義・各種報告・トラブル対応を主導する。技術的な懸念を解消しながら、Boxの活用拡大を支援する 技術トレンドの発信と社内ナレッジの牽引： BoxAI・RAG/Agentic RAG・AI Codingなど最新技術の動向を継続的にキャッチアップし、Box製品との組み合わせ事例を社内外に発信する。技術の深掘りを通じて、組織全体の技術レベルを引き上げる プロダクトへのフィードバックと社内改善： お客様の声をプロダクト部門へ届け、製品ロードマップへ影響を与える。また、社内改善ツールの開発や業務効率化プロジェクトを自ら立ち上げ、推進する Box ではコミュニティと対面でのコラボレーションを重要視しています。Box の社員（Boxers）は、少なくとも毎週3日間以上はオフィスで勤務することが求められます。選考プロセスの中で、リクルーターが働き方や企業文化についてさらに詳しくご説明します。 ＜主な開発環境＞ 言語：JavaScript/TypeScript、Java, C#, Python フレームワーク：Next.js, React.js, Vue.js プラットフォーム、その他：Vercel, Supabase, Heroku, Sal

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert calls, news, trade journals, and clients’ own research content. The acquisition of Tegus by AlphaSense in 2024 advances our shared mission to empower professionals to make smarter decisions through AI-driven market intelligence. Together, AlphaSense and Tegus will accelerate growth, innovation, and content expansion, with complementary product and content capabilities that enable users to unearth even more comprehensive insights from thousands of content sets. Our platform is trusted by over 6,000 enterprise customers, including a majority of the S&P 500. Founded in 2011, AlphaSense is headquartered in New York City with more than 2,000 employees across the globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us! About the Role AlphaSense is maturing its security risk management program and needs a Senior Risk Analyst to be a core builder and operator of that function. You will design, implement, and mature a risk framework that spans information security, AI, and operational risk—building toward a program that is quantitative-leaning, connected to live data sources, and actionable at every altitude from service owner to executive leadership. You will establish risk identification and scoring methodologies, own the enterprise risk register, and produce risk intelligence that drives real decisions. You will also support the TPRM function led by a dedicated TPRM lead, contributing to assessments and risk tracking as needed. You approach this with an AI-native mindset: using AI to monitor threat landscapes, analyze risk data, draft risk narratives, and surface emerg

The MongoDB Atlas team is a diverse group of contributors working together to help our users manage MongoDB at global scale. We are responsible for MongoDB Atlas: our database as a service offering and fastest growing product which allows users to deploy fault-tolerant, globally distributed MongoDB clusters in just minutes. We're seeking a Senior Engineer to join the Atlas Identity and Access Management (IAM) team. IAM is a platform and a product team. We serve internal engineers by providing them a secure and durable suite of services, and we serve external customers by providing them user facing features and products. We are the owners of Atlas’ authentication (OAuth, SSO, Federated Identity) and authorization (RBAC, ABAC) systems, along with many others. The IAM team’s mission is to enable customers to securely build their applications with Atlas through our best in class user experience. We are looking to speak to candidates who are based in New York City, NY for our hybrid working model. Role Responsibilities Design, architect, build, and deliver core pieces of IAM Lead projects from specification to delivery Mentor and grow other team members Improve our codebase, best practices, and design principles Define your top priorities and focuses, communicate them, and execute against them Lead and contribute to complex technical projects and initiatives Candidate Profile 5+ years experience of software engineering, primarily focused on backend systems Proficient in a modern compiled programming language (Java, Go, C#, C++, etc.) Willingness to learn JavaScript and/or TypeScript along with modern frontend technologies (React, Redux, etc.); prior experience a plus Excellent communication skills, both written and verbal Desire to collaborate with colleagues and mentor fellow engineers Is curious, collaborative, empathetic, and intellectually honest Has a passion for problem solving and learning new things in the domains of computer science and software engineering Expe

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. 🚀 Role Overview We’re looking for a Senior Frontend Engineer to help build and improve core product experiences at ClickUp. You’ll work closely with product, design, backend, and integrations teams to deliver high-impact features in a fast-moving environment. This role is ideal for someone who can move quickly, write high-quality code, and balance speed with long-term maintainability. What You’ll Do Build product features in Angular 2+ and React in partnership with designers, product managers, and engineers Architect efficient, reusable frontend code that powers the ClickUp user experience Collaborate closely with backend and integrations teams to deliver end-to-end features Work with QA to ensure strong test coverage and high product quality across edge cases Identify and resolve performance, scalability, and usability issues Build and maintain unit and integration tests Fix bugs quickly and deliver durable solutions to complex product challenges Follow established frontend architecture and state management patterns across the app Manage project priorities, deadlines, and deliverables in a fast-paced environment Qualifications 5+ years of experience with JavaScript and modern frontend frameworks, with Angular 2+ or React required Strong experience with TypeScript, RxJS, and NgRx or similar Redux-style state management Solid understanding of reusable component architecture and frontend performance Strong HTML/CSS fundamentals, including layout, accessibility, cross-browser compatibility, and maintainable styling practices Proven ability to move quickly, take ownership, and execute with urgency Strong com

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. 🚀 Role Overview We’re looking for a Senior Frontend Engineer to help build and improve core product experiences at ClickUp. You’ll work closely with product, design, backend, and integrations teams to deliver high-impact features in a fast-moving environment. This role is ideal for someone who can move quickly, write high-quality code, and balance speed with long-term maintainability. What You’ll Do Build product features in Angular 2+ and React in partnership with designers, product managers, and engineers Architect efficient, reusable frontend code that powers the ClickUp user experience Collaborate closely with backend and integrations teams to deliver end-to-end features Work with QA to ensure strong test coverage and high product quality across edge cases Identify and resolve performance, scalability, and usability issues Build and maintain unit and integration tests Fix bugs quickly and deliver durable solutions to complex product challenges Follow established frontend architecture and state management patterns across the app Manage project priorities, deadlines, and deliverables in a fast-paced environment Qualifications 5+ years of experience with JavaScript and modern frontend frameworks, with Angular 2+ or React required Strong experience with TypeScript, RxJS, and NgRx or similar Redux-style state management Solid understanding of reusable component architecture and frontend performance Strong HTML/CSS fundamentals, including layout, accessibility, cross-browser compatibility, and maintainable styling practices Proven ability to move quickly, take ownership, and execute with urgency Strong com

At Jamf, we believe in an open, flexible culture based on respect and trust. Our track record and thriving work environment all stem from the freedom we grant ourselves to get the job done right. We take pride in helping tens of thousands of customers around the globe succeed with Apple. The secret to our success lies in our connectivity, while operating with a high degree of flexibility. Work-life balance remains our priority while feeling connected is important to maintain our strong culture, achieve our goals, and thrive as #OneJamf. This role is offered as a hybrid in Brno, Czech Republic . We are only able to accept applications for those based in the Czech Republic or who have sponsorship to live and work in the Czech Republic. #LI-Hybrid What you'll do at Jamf: At Jamf, we empower people to be their best selves and do their best work. Most front end roles ask you to ship features. This one asks you to build the foundation other teams build on top of. As a Senior Software Engineer you would join the PandoCats team, that owns Jamf's shared frontend platform and design system . We build a micro-frontend platform that hosts shared UI as dynamically federated micro-frontends, a framework-agnostic Web Components design system, and the docs site and tooling that go with it. It's not one team's feature - it's infrastructure that other product teams depend on, so the reach of what you build here goes well beyond your own sprint. This is a platform-leaning role: you'll spend more time designing reusable architecture, components, and tooling than shipping a single product surface, and you'll move across React, Vue, and Angular as the problem demands. If you want to grow into deeper architectural thinking and technical leadership that crosses team lines, this is a genuinely good place to do it. The problems are real, the team is experienced and collaborative, and we operate with a level of trust and autonomy that's rare to find. We're a hy

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections. Mindbody equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. Innovation and curiosity drive our culture, connecting businesses and individuals through cutting-edge solutions. Join us if you're passionate about enhancing wellness through technology. The Role You'll Play: Build and maintain performant backend systems and applications that drive real-world experiences Partner with Product, Design, and QA to bring features to life from ideation through deployment, always iterating with the end-user in mind. Champion engineering best practices—automated testing, peer reviews, observability, and elegant design Lead and influence architecture decisions that prioritize scalability and simplicity <span data-contrast=&quo

We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us! Senior Solutions Consultant If you have that special mix of DNA that makes an extraordinary Senior Solutions Consultant (SSC) – the blend of great business savvy and technical prowess – then we are a match made in heaven! As a key member of our New Relic Solutions Consulting (NRSC) team, you will be responsible for understanding a client’s business challenge and technical environment through deep levels of discovery and engagement. You will present technology solutions to solve these business challenges and build confidence in the New Relic platform capabilities through value alignment and clear differentiation. As the domain expert on New Relic you will help drive the ‘Technical Win’ in accounts by removing all technical objections in the sales cycle through your depth of technology skills and business acumen to provide clear business value. You will be responsible for driving revenue for our New Relic platform with the the support and partnership of Sales, Product Management and our executive team. This role requires a hands-on solution consultant who can go wide and deep on solution positioning, differentiation and value during sales cycles. What you'll do: You will be the Technical lead for New Relic prospects (new logos) and customers and own the technical strategic direction in the account through an advanced ability to develop, position and provide product-centric and value-centric solutions during sales cycles, while achieving quarterly and annual sales goals for an as

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview Instacart’s Growth Lifecycle Incentives team builds coupon experiences, one of the company’s core revenue drivers. We own the end-to-end experience for coupon storing, serving, ranking, and merchandising in app, web and CRM, partnering closely with Product, Data Science and Machine Learning Engineers, Retailer Managers to deliver features that make the coupon more valuable and accessible. We’re looking for Senior Software Engineers to design and build backend services and user-facing experiences. You’ll join a team of 19 engineers operating in a fast-paced environment. If you thrive on tackling complex problems, balancing new feature work with retailer-driven requests and technical debt, and rolling up your sleeves to deliver impact, this role is for you. About the Job Design, build, and own backend services, APIs, and data integrations that power co

SonicWall is a cybersecurity forerunner with more than 30 years of expertise and is recognized as a leading partner-first company, ensuring our partners and their customers are never alone in the fight against cybercrime. With the ability to build, scale and manage security across the cloud, hybrid and traditional environments in real-time, SonicWall provides relentless security against the most evasive cyberattacks across endless exposure points for increasingly remote, mobile and cloud-enabled users. With its own threat research center, SonicWall can quickly and economically provide purpose-built security solutions to enable any organization—enterprise, government agencies and SMBs—around the world. For more information, visit www.sonicwall.com or follow us on Twitter , LinkedIn , Facebook and Instagram . Position Summary The Senior Software Engineer will manage, support, and customize SonicWall's Oracle Agile PLM platform and support its modernization toward Oracle Fusion Cloud PLM. Beyond core PLM, this role owns EDI and system-to-system integrations between Oracle and other enterprise systems — ERP, CRM, the data platform, and external/partner systems — and contributes to SonicWall's agentic AI initiatives by building AI-assisted automations within the PLM and integration landscape. This is a hands-on, full-stack engineering role with a high degree of autonomy, operating within our established delivery, change, and security processes. The ideal candidate can operate and extend the PLM platform, deliver robust Oracle-to-external integrations, and apply modern AI tooling to reduce manual effort and accelerate product and transactional data flows across the enterprise. Key Responsibilities PLM platform: Manage, support, and customize Oracle Agile PLM (Product Collaboration, PQM, PG&C), and support the roadmap toward Oracle Fusion Cloud PLM. Deliver product changes: Interface with users to de

SonicWall is a cybersecurity forerunner with more than 30 years of expertise and is recognized as a leading partner-first company, ensuring our partners and their customers are never alone in the fight against cybercrime. With the ability to build, scale and manage security across the cloud, hybrid and traditional environments in real-time, SonicWall provides relentless security against the most evasive cyberattacks across endless exposure points for increasingly remote, mobile and cloud-enabled users. With its own threat research center, SonicWall can quickly and economically provide purpose-built security solutions to enable any organization—enterprise, government agencies and SMBs—around the world. For more information, visit www.sonicwall.com or follow us on Twitter , LinkedIn , Facebook and Instagram . About the Role We are looking for a Principal Frontend Engineer to drive the technical vision and frontend architecture of the Cloud Secure Edge Admin Console, the interface used by IT Administrators and Security teams to manage access policies, monitor devices, configure alerts, and analyze real-time connectivity. As a Principal Frontend Engineer, you will define long-term frontend strategy, establish engineering standards, influence product and platform direction, mentor senior engineers, and partner across multiple teams to deliver scalable, secure, performant, and intuitive enterprise experiences. You will work with modern web technologies, including TypeScript, React, ag-Grid, Highcharts, Storybook, and our internal component library. This role is ideal for engineers who excel at solving large-scale architectural challenges, influencing technical direction across organizations, driving alignment in ambiguous situations, and elevating engineering excellence across teams. What You'll Do Define and drive the frontend architecture and technical roadmap for Cloud Secure Edge. Lead the design and del