React Developer Jobs

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team Growth Marketing is a team of performance-driven marketers and channel specialists. We partner closely with growth, creative, analytics and regional marketing to drive revenue through self-serve and sales motions. We work globally, across all Stripe offerings and with all company segments — from startups to the largest enterprises. What you'll do As a China Growth Marketer, you will own launching, proving out, and scaling paid media and growth marketing channels for the Chinese market. This is a 0-to-1 role: you'll identify the right channels, build the playbooks, and demonstrate what works before scaling investment. You'll work across paid channels native to China (WeChat, Baidu, Douyin, Xiaohongshu, Zhihu, Bilibili, and others), as well as broader growth marketing levers like web optimization, content distribution, and landing page localization for Chinese users. You will be the in-house expert on how to reach Chinese developers, founders, and business operators through digital channels, bringing deep knowledge of the local ecosystem, platform mechanics, regulatory environment, and user behavior. You'll partner cross-functionally with regional marketing, analytics, creative, product marketing, and sales to ensure paid media supports Stripe's growth objectives in China. Responsibilities Launch and scale paid media channels specific to the China market — including WeChat Ads, Baidu SEM, Douyin/Ocean Engine, Xiaohongshu, Zhihu, Bilibili, an

About the Team: OpenAI's mission is to ensure that artificial general intelligence (AGI) benefits all of humanity. Our API is the industry's most widely adopted AI platform, empowering startups, indie developers, and Fortune 500 companies alike. Through multimodal APIs, we enable users to harness the full potential of diverse AI modalities effectively and at scale. About the Role: We are seeking an Engineering Manager to lead our multimodal API product suite. Your team will be responsible for delivering innovative APIs across real-time multimodal interactions and image generation. You will own the product roadmap for how we evolve our multimodal API offerings, and you will build the products that allow developers to reach millions of end users through AI audio, video, and images. In this role, you will: Build, mentor, and grow a high-performing engineering team focused on multimodal API products—including image generation and Live API . Collaborate closely with product managers, designers, and other stakeholders to define the strategic vision and product roadmap. Work closely with our research teams to improve our core multimodal models for API customer use cases. Guide technical and architectural decisions, emphasizing scalability, robustness, and user experience. Foster a culture of innovation, continuous improvement, and accountability within your team. Qualifications: Proven experience managing engineering teams that deliver complex, high-quality products at scale. Strong technical background and proficiency in modern software engineering practices and system architecture. Excellent collaboration and communication skills to effectively coordinate across diverse teams and stakeholders. Familiarity with or strong interest in multimodal AI, including speech technologies, real-time systems, and image generation. Ability to operate effectively in a fast-paced, ambiguous startup environment. Preferred Qualifications: Experience developing multimodal systems or APIs in

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team. What you’ll be doing Building high-quality hybrid-casual games Maintaining and optimizing hybrid-casual games Close collaboration with other developers Desired skills and experiences University degree in Computer Science or any equivalent department Familiarity with the Unity game engine and C# Strong problem-solving and communication skills Sound engineering skills and programming fundamentals Passion for Match Villains Experience with hybrid-casual games is preferred What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how” Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for a Game Developer to bring innovative game ideas to life and shape the gameplay experience of new mobile games. What you’ll be doing Developing high-quality mobile games from scratch Prototyping and implementing new game concepts and mechanics Close collaboration with other developers Desired skills and experiences University degree in Computer Science or any equivalent department Familiarity with the Unity game engine and C# Strong problem-solving and communication skills Sound engineering skills and programming fundamentals Passion for Match Villains Experience with mobile games is preferred What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how” Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team. What you’ll be doing Building high-quality games for the millions of mobile players Designing and implementing new features Maintaining and optimizing games Close collaboration with other developers Actively contributing to game design, feature design Desired skills and experiences B.S. or higher preferably in Computer Science or an equivalent program Experience with the Unity game engine and C# Strong problem-solving and communication skills Experience with version control systems such as Plastic or Git Passion for Match Villains and mobile puzzle games in general What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how”. Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team. What you’ll be doing Building high-quality games for the millions of mobile players Designing and implementing new features Maintaining and optimizing games Close collaboration with other developers Actively contributing to game design, feature design Desired skills and experiences B.S. or higher preferably in Computer Science or an equivalent program Familiarity with the Unity game engine and C# Strong problem-solving and communication skills Familiarity with version control systems such as Plastic or Git Passion for Match Villains and mobile puzzle games in general What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how”. Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team. What you’ll be doing Building high-quality games for the millions of mobile players Designing and implementing new features Maintaining and optimizing games Close collaboration with other developers Actively contributing to game design, feature design Desired skills and experiences B.S. or higher preferably in Computer Science or an equivalent program 5+ years of experience Strong experience with the Unity game engine and C# (C/C++ knowledge is a plus) Strong problem-solving and communication skills Experience with version control systems such as Plastic or Git Passion for Match Villains and mobile puzzle games in general What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how”. Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Developer Advocate at GitLab, you'll help technical audiences understand and use our intelligent orchestration platform where teams and their AI agents ship secure software faster. You'll go deep on the product, especially GitLab Duo Agent Platform and our newer capabilities, and continuously discover real-world workflows that teams care about. You'll turn that hands-on knowledge into demos, blog posts, videos, and presentations, and bring what you learn from customers and the developer community back to GitLab. This role focuses on showing the product in action and building relationships with

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: WPP ET is undergoing a significant transformation to modernise ways of working and adopt cloud-based, micro-service architectures, automation, and digitised user experiences. Within this transition, the Lead Developer plays a strategic engineering role in the Chase Media Central programme, ensuring the platform’s custom extensions, integrations, data flows, and application components are built to enterprise standards and remain stable as the programme scales across regions. This is a hands-on technical leadership role: you provide architectural direction for integration patterns, lead development work, guide developers through complex technical problems, and define coding standards and engineering best practices. You act as the technical authority for integrations and platform components, ensuring that all custom code interacting with Business Central, local applications, and market-specific systems is reliable, scalable, and maintainable. You work closely with Product, QA, Implementation, Data, BI, and market teams to ensure code, interfaces, and workflows align with business requir

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: WPP ET is undergoing a significant transformation to modernise ways of working, shift to cloud-based and micro-service architectures, increase automation, and digitise colleague and client experiences. Within this context, the Software Developer plays a key delivery role within the Chase Media Central programme, helping to build and maintain the technical foundation required for a successful multi-market rollout. The focus of this role is to design, develop, and support application components - particularly integrations, data-movement logic, and platform services - that allow Media Central (Microsoft Dynamics 365 Business Central) to interoperate smoothly with surrounding media and finance systems. While integrations form a central part of the scope, the role remains broad: you contribute to platform enhancements, application workflows, user-facing features, debugging, release readiness, and cross-team engineering practices. You will translate business and technical requirements into clear, maintainable code, prepare technical design documents, participate in code reviews, and troubl

About Us: Comfrt is one of the fastest-growing direct-to-consumer brands, dedicated to blending mental wellness, inclusivity, and elevated comfort into every piece we create. Our mission goes beyond clothing — we strive to build a community where everyone feels supported and seen. About the Job: We are seeking a highly driven Product Developer to support the execution and scaling of our home product categories from concept through production. This role partners closely with design, sourcing, and production teams to bring innovative, high-quality products to market while ensuring development timelines, cost targets, and product standards are met. The ideal candidate is proactive, detail oriented, organized, and product-obsessed, with technical knowledge of materials, construction, and manufacturing processes. We are looking for someone who loves product, moves fast, and takes ownership—someone who thrives in a high-growth environment and wants to help build the next generation of products that will scale the brand. This role plays a critical part in bringing new products to life. You will help turn ideas into real home specific products that reach hundreds of thousands of customers. From concept to production, you will ensure products are developed efficiently, executed flawlessly, and built to the highest standards. Responsibilities: Product Development Execution Own the product development process from concept through production across multiple home product categories. Translate design concepts into technically sound and commercially viable products. Develop clear product specifications including materials, trims, construction methods, and functional requirements. Anticipate development challenges early and proactively solve problems before they impact timelines or product quality. Maintain a strong understanding of development calendars and key milestones to ensure deadlines are met. Apply strong aesthetic judgment and product taste level to ensure product a

About us GoCardless, a Mollie company, is a global leader in bank payments. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect, manage and send bank payments through Direct Debit, real-time payments and open banking. With US$130bn+ processed annually across 30+ countries, we handle recurring and one-off payments without the chasing, stress, or expensive fees. Our end-to-end payment platform also features AI-powered solutions to improve payment success and reduce fraud, alongside connections to over 350 platforms businesses use everyday. We are headquartered in the UK, with teams and operations spanning North America, Europe and Asia-Pacific. For more information, please visit www.gocardless.com and follow us on LinkedIn @GoCardless. Mollie is the leading payments and financial services partner for business, rooted in Europe, with global reach. The role As a GoCardless Salesforce Developer, you will own the integrity and strength of the solutions you recommend. You’ll be acting as a trusted advisor to our team and internal customers. You will need a deep understanding of the Salesforce platform with specific experience in Sales Cloud, and deep knowledge of either CPQ or, preferably, Agentforce Revenue Management. Top-notch people skills to get your ideas and solutions across to stakeholders are required and the ability to deliver solutions and help grow experience within the team to do the same. The Salesforce Developer will form a key foundation for a new team within GoCardless, Salesforce Development, to expedite cross-functional changes across our business systems. You will be responsible for delivering meaningful changes to the business, working alongside other Salesforce Developers, Administrators, Integration Architects, Business Analysts and Business Intelligence to collaborate on specifications based on stakeholder requirements, validate the proposals, and deliver the solutions. What excites you Collaborate with the Co

About us GoCardless, a Mollie company, is a global leader in bank payments. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect, manage and send bank payments through Direct Debit, real-time payments and open banking. With US$130bn+ processed annually across 30+ countries, we handle recurring and one-off payments without the chasing, stress, or expensive fees. Our end-to-end payment platform also features AI-powered solutions to improve payment success and reduce fraud, alongside connections to over 350 platforms businesses use everyday. We are headquartered in the UK, with teams and operations spanning North America, Europe and Asia-Pacific. For more information, please visit www.gocardless.com and follow us on LinkedIn @GoCardless. Mollie is the leading payments and financial services partner for business, rooted in Europe, with global reach. The role As a GoCardless Salesforce Developer, you will own the integrity and strength of the solutions you recommend. You’ll be acting as a trusted advisor to our team and internal customers. You will need a deep understanding of the Salesforce platform with specific experience in Sales Cloud, and deep knowledge of either CPQ or, preferably, Agentforce Revenue Management. Top-notch people skills to get your ideas and solutions across to stakeholders are required and the ability to deliver solutions and help grow experience within the team to do the same. The Salesforce Developer will form a key foundation for a new team within GoCardless, Salesforce Development, to expedite cross-functional changes across our business systems. You will be responsible for delivering meaningful changes to the business, working alongside other Salesforce Developers, Administrators, Integration Architects, Business Analysts and Business Intelligence to collaborate on specifications based on stakeholder requirements, validate the proposals, and deliver the solutions. What excites you Collaborate with the Co

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role As a Salesforce Developer at Anthropic, you will design, build, and maintain the Salesforce platform that powers our core customer motions and quote-to-cash business.: This includes automation throughout the Salesforce platform ranging from core sales automation to product catalog and pricing, quoting and approvals, order and contract management, and the handoff to billing and provisioning. You'll work both autonomously and collaboratively across RevOps, Order Management, Legal, Billing Engineering, Deal Desk, Finance and Accounting, and Product to translate pricing and packaging requirements into scalable Apex, Flow, and integration solutions, and to extend our capabilities with custom code where necessary. We are an AI-first systems team, and you'll be expected to use Claude and our in-house AI development tooling as a core part of how you write, review, and ship code, always against our house standards for flexibility, maintainability, and scale. Where you might sit We're hiring across more than one team. Placement depends on your background and where you can have the most impact. GTM Systems: Builds and runs the Salesforce platform and connected tools that Anthropic's sellers, sales leaders, and revenue operations teams rely on every day. You'd build the automation behind how deals move through the pipeline, how leads and accounts reach the right owner, and how information flows between our sales tools and the rest of the business. You'll work directly with the analysts and operators who define the process, and see the impact on the people who use what you ship. QTC Experiences: A vertically integrated team that spa

About BlockTech BlockTech is an algorithmic trading firm operating at the frontier of global crypto derivatives and spot markets. We trade 24/7 across some of the fastest-moving, most data-rich venues in finance. Crypto is one of the few markets where the gap between a good model and live PnL comes down to how fast and how reliably you can ship it. Abundant data, novel microstructure, and a short path to production mean the quality of our infrastructure directly moves the edge. We're looking for a Quantitative Developer to build that infrastructure and get our models into production. The role This is a hands-on engineering seat on our trading floor. You'll own the infrastructure that turns research models into production trading systems, working primarily in Python and Rust, the language our models and systems are written in. You'll build the frameworks and tooling that let quants ship their code to production and keep those systems running once they're live. You'll work shoulder-to-shoulder with researchers, traders, and fellow engineers, building the tooling, pipelines, and standards that let good ideas reach production quickly and safely, and helping raise the engineering bar across the floor. You will Build and own the infrastructure that takes models from research to production - data pipelines, backtesting, deployment, and monitoring. Turn research prototypes into robust, performant, production-grade code that runs reliably in live trading Work closely with quantitative researchers and traders to get new models live quickly and safely Own the systems you ship in production: monitor performance, diagnose issues, and keep latency and reliability high Improve the tools, standards, and pipelines the team relies on, raising the engineering bar across the floor What we're looking for 2+ years of software engineering experience, with a track record of shipping production-grade systems A strong academic foundation in a STEM discipline (computer science, mathematics, p