Senior React Developer Jobs

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. Please submit your CV in English! The opportunity: The role of the Operations Associate is a critical part of making Flexport’s mission to make global trade easy for everyone a reality. Flexport today connects almost 10,000 clients and suppliers across 109 countries. In this role, your direct customers are the partners within your region: our account management and customs teams, subcontractors, carriers, terminals and trucking providers. Your work directly supports Flexport’s end customers in achieving their logistics goals. Most importantly, you will play a pivotal role in building the next operational model at Flexport: allowing us to effectively scale to achieve our mission of making global trade easier for everyone. This role is designed to facilitate the movement of shipments while discovering and driving efficiencies that build and improve operations as part of our Global team. You will be responsible for ensuring that all customer shipments are executed according to plan, on time and within budget. As the person who manages movement in your region with laser focus, you have the unique opportunity to help your regional account team spot opportunities to impr

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . Pinterest is the world's leading visual search and discovery platform, serving over 500 million monthly active users globally on their journey from inspiration to action. As we scale experiences in a complicated ecosystem, ensuring they are safe, fair, and trustworthy is paramount. We are looking for a Senior Data Scientist to help lead Pinterest's Trust and Safety mandate by designing the foundations for measuring the prevalence of unsafe content across the platform. In this role, you will design and build sampling frameworks, complex data aggregations, and measurement methodologies to track Trust & Safety policy violations across complex, multi-component user interactions. You will work in a highly collaborative and cross-functional environment, partnering with ML Engineers, Trust & Safety Ops, subject matter expert teams, and Product

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. Site Reliability Engineering at Affirm is a small, yet crucial, team that helps our Engineering partners to “Operate What They Own” with excellence to protect their customers’ experience. SRE accomplishes this through defining frameworks and best practices for operating applications, building tooling, and providing training and consulting. Some of the many SRE responsibilities are: Providing data and visibility to teams and leadership on application performance Guiding the development of SLOs Driving the Incident Management and Analysis process Steering the implementation of Change Management and Deployment practices Engaging in service and architectural conversations Recommending observability and alerting configurations The SRE team benefits from experience across many domains including: infrastructure, platform, and distributed systems capacity management, load and chaos testing automation, observability, and configuration management development and product experience The SRE team is seeking motivated software and systems engineers with the experience to build, iterate on, and expand incident lifecycle, reliability, and resilience practices throughout Affirms Engineering organization and beyond. 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 infrastructure, product management, developer experience & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify technical solutions

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. Site Reliability Engineering at Affirm is a small, yet crucial, team that helps our Engineering partners to “Operate What They Own” with excellence to protect their customers’ experience. SRE accomplishes this through defining frameworks and best practices for operating applications, building tooling, and providing training and consulting. Some of the many SRE responsibilities are: Providing data and visibility to teams and leadership on application performance Guiding the development of SLOs Driving the Incident Management and Analysis process Steering the implementation of Change Management and Deployment practices Engaging in service and architectural conversations Recommending observability and alerting configurations The SRE team benefits from experience across many domains including: infrastructure, platform, and distributed systems capacity management, load and chaos testing automation, observability, and configuration management development and product experience The SRE team is seeking motivated software and systems engineers with the experience to build, iterate on, and expand incident lifecycle, reliability, and resilience practices throughout Affirms Engineering organization and beyond. 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 infrastructure, product management, developer experience & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify technical solutions

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 Senior Sales Engineer to join our team. This is a hybrid based in the UK role, reporting to the Senior Sales Engineering Manager in the Solutions Consulting department. You will be a key technical driver in our mission, presenting the Zscaler cloud security platform to prospective customers and translating their goals into enticing, relevant recommendations. You’ll act as a trusted advisor, guiding clients through their transformational journey while delivering technical victories. What you’ll do (Role Expectations) Present the Zscaler cloud security platform to prospective customers Set the vision and translate goals into enticing and relevant recommendations Become the trusted advisor to our clients while aiding their transformational journey Gather customer technical requirements and promote the value proposition in POV, presentations, and demos Who You Are (Success Profile) You thrive in ambiguity.

About Us Pearl is AI for professional services at global scale, combining advanced AI with verified human expertise to deliver help that is accurate, accountable, and fast. Since 2003, our network has connected millions of customers with licensed professionals across 196 countries, making real expertise available anytime, anywhere. Our Values Data driven: Start with truth, measure what matters. Courageous: Bias to action; run toward hard problems. Innovative: Seek novel, elegant solutions. Lean: Do more with less. Build, ship, learn fast. Humble: Strong opinions, lightly held. About the Role Analytics is moving beyond dashboards. We’re building intelligent systems that let analysts and business users explore data, automate analysis, design scalable architectures, and get insights faster and we need a senior engineer to build the data foundations and AI-powered tools that make that possible. This is a hands-on builder role at the intersection of analytics engineering and applied AI. You'll own the pipelines, datasets, and metrics that the business runs on, and you'll build the LLM-powered applications, copilots, agents, natural-language data experiences that sit on top of them. You'll work directly with product, growth, and business teams on real B2C and customer data. What You’ll Do Analytics Engineering & Business Analytics Build and own scalable data pipelines, transformations, analytical datasets, and reusable data products using SQL and Python. Analyze B2C, product, and customer data to identify trends, performance drivers, and actionable insights. Translate business and product questions into reliable metrics and decision-support solutions that help teams measure performance and understand customer behavior. AI-Powered Analytics Design, build, and deploy LLM-powered applications, agents, and analytics workflows using RAG, tool calling, MCP, and modern agent frameworks. Develop reusable AI tools that enable analysts and business user

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: London, UK About the Role: We are looking for a Senior Talent Acquisition Business Partner – GTM to join our London-based EMEA team. Acting as a strategic talent advisor and go-to-market specialist, you will drive the expansion of our sales and GTM teams with full autonomy. You will leverage your deep market expertise, extensive network, and AI-driven strategies to identify and secure top-tier talent for Cloudflare. While

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. Role We are looking for a Senior Sales Engineer - Public Sector to join our team. This is a hybrid role based in Gurgaon, reporting to the Senior Manager, Sales Engineering in the SE India department. You will join a global group of professionals passionate about driving a secure, cloud-enabled digital future as a leader in cloud security. You will demonstrate the power and agility of cloud transformation by aligning with regional leadership and engineering to deliver strategic solutions that solve complex customer challenges. What you’ll do (Role Expectations) Provide technical thought leadership and advice to enterprise customers on how to transform their digital experience Take total ownership of the technical sale and associated processes Identify and qualify technical opportunities while developing and maintaining trusted advisor relationships with key customer stakeholders Deliver high-impact sales pitches, technical

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and combine their pensions with us. With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ 📍London/Cardiff/UK Remote | 💰circa £110,000 + Incentive Awards tied to your performance + Benefits | Hear from the team ✨ We’re looking for a Senior Legal Counsel to join our team at Monzo to support our payments business including digital assets and emerging payment technologies. You will report to Monzo’s Director of Legal for Payments & Business Banking, be part of the Legal and Board Governance Collective, and act as a legal business partner for the teams working on these initiatives. This role sits at the intersection of payments, digital assets and emerging payments technologies. You’ll help teams navigate a rapidly evolving legal and regulatory landscape, helping Monzo innovate responsibly while protecting our customers. You’ll work at all levels in the organisation and with a wide-range of stakeholders from Product Managers and Designers, to Operations professionals and Software Engineers, and Risk, FinCrime and Compliance professionals. While payments, digital assets and emerging financial technologies will be your primary focus, more broadly, you will also have opportunities to work within a team of

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. Role We are looking for an experienced Senior Sales Engineer to join our Major SE team. This is a hybrid position based in Japan, reporting to the Manager, Sales Engineering in Japan within the Sales and Go-to-Market department You will join a global group of professionals dedicated to delighting customers and driving a secure, cloud-enabled digital future. As a key member of the team, you will help cement our position as the world leader in cloud security through technical excellence and trusted partnerships. What you’ll do (Role Expectations) Provide technical expertise and strategic advice to Major customers Take total ownership of the technical sale and associated processes Independently deliver high-impact sales pitches, technical demonstrations, and whiteboard presentations Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environ

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. Role We are looking for an experienced Senior Sales Engineer to join our Major SE team. This is a hybrid position based in Japan, reporting to the Manager, Sales Engineering in Japan within the Sales and Go-to-Market department You will join a global group of professionals dedicated to delighting customers and driving a secure, cloud-enabled digital future. As a key member of the team, you will help cement our position as the world leader in cloud security through technical excellence and trusted partnerships. What you’ll do (Role Expectations) Provide technical expertise and strategic advice to major customers Take total ownership of the technical sale and associated processes Independently deliver high-impact sales pitches, technical demonstrations, and whiteboard presentations Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, s

InMobi Advertising is a global technology leader helping marketers win the moments that matter. Our advertising platform reaches over 2 billion people across 150+ countries and turns real-time context into business outcomes, delivering results grounded in privacy-first principles. Trusted by 30,000+ brands and leading publishers, InMobi is where intelligence, creativity, and accountability converge. By combining lock screens, apps, TVs, and the open web with AI and machine learning, we deliver receptive attention, precise personalization, and measurable impact. Through Glance AI, we are shaping AI Commerce, reimagining the future of e-commerce with inspiration-led discovery and shopping. Designed to seamlessly integrate into everyday consumer technology, Glance AI transforms every screen into a gateway for instant, personal, and joyful discovery. Spanning diverse categories such as fashion, beauty, travel, accessories, home décor, pets, and beyond, Glance AI delivers deeply personalized shopping experiences. With rich first-party data and unparalleled consumer access, it harnesses InMobi’s global scale, insights, and targeting capabilities to create high impact, performance driven shopping journeys for brands worldwide. Recognized as a Great Place to Work, and by MIT Technology Review, Fast Company’s Top 10 Innovators, and more, InMobi is a workplace where bold ideas create global impact. Backed by investors including SoftBank, Kleiner Perkins, and Sherpalo Ventures, InMobi has offices across San Mateo, New York, London, Singapore, Tokyo, Seoul, Jakarta, Bengaluru and beyond. At InMobi Advertising , you’ll have the opportunity to shape how billions of users connect with content, commerce, and brands worldwide.

Weekly office requirement : Hybrid, 1 day/week Employment type : Permanent Working Hours : 09.30 AM - 17.30 PM Athens time Seniority level: Mid-Senior Language: All stages of the recruitment process will be conducted in English At GWI we're always looking for extraordinary people who thrive on making an extraordinary impact. Right now we're looking for a ( Senior) Product Experience Executive to play a key role in our Product team in Athens . If that's you, and making a difference gets you out of bed in the morning, keep reading. It could be the start of something, well, extraordinary. Sounds great, what will I be doing? 🤔 As a Product Experience Executive / Senior Product Experience Executive, you'll act as a point of expertise for both external clients and internal stakeholders using our data, platforms and API products. You'll play a critical role in ensuring the smooth and effective operation of the support queue. Beyond reactive support, you'll have a strong strategic focus on continuous improvement and operational excellence: owning internal and external documentation and working with cross-functional teams to improve the product experience and support processes. A few things you'll be responsible for: 👉 You'll handle incoming queries across live chat and ticketing channels, troubleshooting issues, managing user administration, joining client calls and escalating to leadership and other teams where needed. 👉 You’ll create, maintain and drive the adoption of our self-serve support resources, including our public Help Center and documentation that powers our AI support, to reduce friction for users and improve overall support efficiency. 👉 You'll actively monitor the support queue to spot inefficiencies and recurring problem areas, and work cross-functionally to implement scalable solutions. 👉 You’ll proactively report on support trends across clients, verticals, and products, surfacing insights that inform broader business decisions. 👉 If you’

About Datadog: Datadog is the world-class monitoring and security platform for cloud applications. We’re dedicated to creating, developing, and supporting our product and customers, allowing for seamless collaboration and problem-solving among Dev, Ops and Security teams globally. Built by engineers, for engineers, our SaaS product is used by organizations of all sizes across a wide range of industries to enable digital transformation, cloud migration, and infrastructure monitoring of our customers’ entire technology stack. Given the resilience of cloud technologies and importance placed today in digital operations and agility, Datadog continues to innovate and is well positioned for the long term. The Team: Datadog's Finance team collaborates with teams across the organization, providing commercial, operational, and analytical support to ensure that Datadog's business continues to grow as rapidly and efficiently as possible. The Opportunity: We are seeking a Senior Revenue Accountant to join our growing Finance team at Datadog. As a member of the finance team, the Senior Revenue Accountant will be a key member of the team in developing more efficient revenue / billing data flow and close processes and be on the front lines of supporting the rapid growth of the Company. You Will: Work closely with the broader finance team to support the finance operations, accounting and compliance function for our business. Complete month-end close responsibilities including preparing journal entries, balance sheet reconciliations, and supporting schedules. Prepare memos and analyses surrounding revenue recognition under ASC 606 for more complicated billing arrangements Assist in calculation of key internal revenue metrics and invoicing during month-end close. Generate and issue prepaid and monthly invoices issued in arrears. Help customers understand their bills, which vary with usage and plan type. Effectively detect, communicate and work to resolve customer bi

Senior Product Manager, Prolific for AI Team: Product, Research & Design Prolific Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models. The Role As we scale our AI Product Group, we're looking for a Senior Product Manager to take founder-level ownership of the tooling that lets frontier AI model developers conduct cutting-edge research on Prolific. Increasingly, our AI customers are among the leading AI companies in the world, and this role will additionally lead a team of client-facing engineers dedicated to building strategic integrations and rapid, bespoke development for their most demanding needs. You'll report into the AI Lead, and join a brilliant team of Product Managers building next-generation AI tooling within our AI Product Group. Impact: You'll be the Product person accountable for the outcomes of a stream-aligned team building next-gen tooling for frontier AI model developers, and also prioritise for impact the work of a client-facing engineering team. This is a career-defining moment to shape how some of the world's biggest technology companies build AI – no big deal. You'll own how our most strategic AI clients experience Prolific end to end, from product to bespoke integration. Experience: You'll bring experience building AI native systems, with particular experience building AI native UX. You'll have had success taking complex human workflows and distilling them into highly adaptable technical systems, then scaling access to those systems across multiple interaction surfaces – UI, APIs, CLIs, and MCPs. You'll also have experience directly managing engineers, ideally in a client-facing or solutions-engineering capacity, and know how to turn a sophisticated client's b