Typescript Jobs

I manage a network of roughly 20,000 publisher sites and need an extra set of expert hands to keep our monetisation stack humming. The day-to-day work revolves around hunting down and fixing anything that prevents video, banner, or native inventory from serving flawlessly through Prebid solutions. Here is what you will actually be doing for us: • Investigate issues reported by publishers or surfaced in our dashboards (creative not rendering, long auction latency, targeting mismatches, etc.) • Trace the problem through integrations, Google Ad Manager configurations, and whichever third-party wrappers or SSP connections are involved. • Implement and verify fixes directly in the header bidder setup or in GAM line-items when granted access, documenting the change so our ...

要求会中文 我目前维护一套与区块链钱包深度集成的 H5 / Web 应用，在安卓 Chrome、Telegram（移动端与 PC 端）及任务模块出现了多处异常。为了不影响用户留存，我想先把下面几个关键 Bug 彻底解决，代码托管在 Gitee 主要问题 1、安卓手机 谷歌浏览器 所有钱包都连不上 2、同一个钱包地址，手机、浏览器登录是熊， TG 移动端和PC端登录是蛋 3、tg PC端， 点高级签到，就一直转圈圈，没有扫码的出来 4、任务区域连接钱包跳过了弹窗 5、连接钱包后宠物任务可以直接完成 6、关注和每日礼物涉及调取推特 会黑屏 交付要求 1. 找出每个现象的根因，并提交修复后的可测代码（含简要注释）。 2. 在 移动端与桌面端全部验证通过。 3. 提交 PR 后附带复现步骤与修复说明，确保后续版本可回归测试。 4. 不破坏现有钱包签名、安全校验及后台统计逻辑。 验收标准 • 连接各主流钱包时 3 秒内成功完成 handshake，无白屏、无卡顿。 • 同一钱包地址的宠物状态在任何终端保持一致。 • Telegram “高级签到”弹出二维码后可继续完成后续链上签名。 • 任务中心所有弹窗状态机按既定流程运行，无跳步、无误判。 • Twitter 授权 H5 不再黑屏，回调数据可正常写入后端。 如果你熟悉 、EIP-1193 事件、MetaMask Mobile 及 Telegram WebApp SDK，并乐于逐步排查多端兼容性问题，就请在提案中概述你的思路与预计用时。我会提供现网测试账号、日志与远程调试权限，期待与你合作！

Build scalable DDoS mitigation software capable of serving the following client types: - ISP (IP Transit) - Cloud - Bare Metal Server

I have already coded a bold-and-colorful front-end that looks great on phones, tablets, and desktops. The HTML and CSS are clean, sectioned (home, services, contact) and fully responsive, so the visual layer is done. Now I need that polished interface to do real work: • User login & registration: secure sign-up, sign-in, password reset • Interactive forms: AJAX-based service inquiries and a contact form that validates on the fly and stores submissions • E-commerce flow: product list, cart, checkout, basic order confirmation Feel free to suggest the tech stack you are most comfortable with—whether that’s vanilla PHP/MySQL, Node.js with Express, or a lightweight Python solution—as long as it slots neatly behind the existing HTML. All new code mus...

AI / Machine Learning Engineer (LLM & Applied AI) – Remote (EU) Overview I am looking for an experienced AI / Machine Learning Engineer based in the EU to join our team on a part-time or full-time freelance basis. The role focuses on building applied AI solutions using Large Language Models (LLMs) to extract insights from data and create high-accuracy AI-powered applications. You will work closely with engineering teams to design, develop, and deploy scalable AI services. Responsibilities AI / Machine Learning Build and deploy AI-powered applications using existing Large Language Models (LLMs). Design systems that ingest data, extract structured insights, and generate accurate outputs. Develop RAG pipelines, chunking strategies, and LLM orchestration workflows. Build tool...

PROJECT OVERVIEW We are seeking an experienced full-stack developer or a small development team to build the Phase-1 Minimum Viable Product (MVP) of a secure web platform that enables users to upload structured documents and receive simplified AI-generated explanations. The objective of this MVP is to create a secure, scalable, and reliable web application capable of: • Accepting uploaded documents • Extracting text and structured values from reports • Generating simplified educational explanations using AI • Displaying results through a clean and intuitive interface • Allowing registered users to securely store and manage their reports The platform will initially launch as a web application optimized for desktop and mobile browsers. Important: The system mus...

No agencies. This is a long-term, full-time position paid on a fixed monthly basis. The role covers the complete MERN stack, so you’ll move comfortably between React/Next on the client and Node/Express with MongoDB on the server while keeping quality and performance consistent across the board. Day-to-day work centres on four key areas: • Building and hardening a secure user authentication system (JWT, OAuth, refresh-token logic). • Designing robust MongoDB schemas and integrating them cleanly with our existing data layer. • Developing and documenting REST/GraphQL APIs that power both web and upcoming mobile clients. • Polishing the front-end UI, ensuring responsive design and pixel-perfect implementation from Figma mock-ups. A typical week equals ...

We are looking for an experienced Full-Stack JavaScript developer with strong experience in building Chrome Extensions and browser automation tools. This is for an existing production project (Phase 1 already live). We are expanding the system and need an experienced developer to help with Phase 2. Required Skills: • JavaScript / TypeScript • Chrome Extension Development • Node.js / Express backend • Browser automation experience • Handling complex workflows in browser environments • Experience with CAPTCHA handling / automation is a plus • API integrations • Debugging and optimizing automation scripts Nice to Have: • Experience with Puppeteer / Playwright • Experience working with authentication flows • Experience building scalable...

Shynocell will be a one-stop shop where customers can buy mobile credit (pulsa), data packages, and top-up popular mobile games such as Mobile Legends. The flow I have in mind is simple: a visitor selects the product, pays via the built-in QRIS gateway—or, if they prefer, through Bank Transfer or an e-wallet—and the order is sent instantly to the Metro Reload API for fulfillment. As soon as Metro Reload confirms success, the system should mark the order complete and email/SMS the customer automatically. Key elements to build: • API layer that authenticates, sends, and tracks transactions with Metro Reload. • Payment module supporting QRIS first, then Bank Transfer and common Indonesian e-wallets. • Admin dashboard where I can add or disable products, adjust...

मेरा लक्ष्य अपनी इंटरनेट-आधारित सर्विस में Paytm UPI पेमेण्ट को पूरी तरह जोड़ना है ताकि ग्राहक सीधे UPI से भुगतान कर सकें और लेन-देन रीयल-टाइम में हमारे डैशबोर्ड पर दिखे। मैं पहले से Paytm का बिज़नेस अकाउंट रखता हूँ, लेकिन SDK/API को प्रोडक्शन में लगाने, callback URL को सही ढंग से कॉन्फ़िगर करने और सफल–असफल ट्रांज़ैक्शन दोनों के लिये वेबहूक हैंडलर तैयार करने के लिये एक अनुभवी डेवलपर की ज़रूरत है। किसी सख़्त डेडलाइन का दबाव नहीं है, फिर भी चाहूँगा कि स्टेबल, सिक्योर और PCI-compliant सॉल्यूशन मिले जिसे आसानी से स्केल किया जा सके। Sandbox टेस्टिंग, लाइव मोड स्विच-ओवर और बेसिक टेक्निकल डॉक्यूमेंटेशन भी डिलीवरी का हिस्सा होना चाहिए, ताकि मेरी टीम आगे चलकर स्वयं छोटे-मोटे बदलाव कर सके। यदि आपने पहले Paytm या अन्य UPI गेटवे (जैसे Razorpay, PhonePe आदि) इंटीग्रेशन किये हैं और Node.js, ...

I have spent the last eighteen months bringing India’s first live-commerce marketplace to life and already have roughly 60 % of the product in production. The next phase is scaling fast, so I’m opening equity-based founding seats for developers who want to grow a large startup alongside me rather than take on a short contract. Here’s where you could plug in right away: • Flutter – 3–4 years building production apps, comfortable with BLoC state management • React.js – 2 + years crafting modern, component-driven UIs • Node.js – 2 + years in scalable back-end work; TypeScript and PostgreSQL experience is a welcome bonus Day to day you’ll ship features, own architecture decisions, and shape product direction with a tight f...

We will only review applications that clearly prove prior development of a SCORM player or SCORM runtime engine. Please include the name of the player, the project, and a short description of your role in its development. Applications without this proof will not be considered. We are looking for an experienced software development agency to build a SCORM content player that integrates seamlessly with our existing cloud-based Learning Management System (LMS). The objective is to replace our current external content player with our own integrated solution. I. Project Goal Develop a standards-compliant content player capable of running and tracking e-learning content inside our multi-tenant LMS. The player must: - import SCORM courses - launch and play SCORM content - create l...

Please Note Before Proceeding Below: **This is a small initial project with a limited budget to evaluate the developer’s understanding and quality of work. Once all tasks are completed to our standards, the developer will be hired full-time and considered for larger projects ranging from $5,000 to $25,000, depending on the role and scope.** We are looking for an experienced Solana blockchain developer with strong AWS server infrastructure expertise to help diagnose, fix, and optimize production-level code issues. This is not a beginner role. You must have hands-on experience with Solana programs, RPC interactions, and backend deployment inside AWS environments. You will be working on live Solana-based systems that require debugging, performance optimization, and infrastructure-le...

We are seeking an experienced software development team or technical consultancy to conduct a comprehensive GAP analysis of an early-stage streaming platform that includes social networking mechanics and creator monetization tools, and to complete the missing requirements for launch. The platform has been currently developed and has been partially built using ai coding tool called Google Antigravity. We are looking for a team capable of evaluating the existing architecture, scalability, performance, and product readiness, and identifying technical gaps between the current implementation and a production-ready platform. The system is designed as a creator economy platform for independent filmmakers, combining a Netflix-style streaming experience with social networking features and monetiz...

React/TypeScript Developer with Advanced JointJS Expertise We are developing a visual tool for designing cloud infrastructure. The application uses JointJS for its core diagramming engine and React for the user interface. We are looking for a specialist to help us implement advanced graph behaviors and custom shape logic. We are building features that require dynamic switching of element representations and complex nesting logic (containers within containers). The ideal candidate has deep experience extending JointJS beyond basic drag-and-drop, creating custom interactive elements, and managing complex graph state. Key Responsibilities: - Advanced JointJS Implementation: Develop custom shapes and behaviors that go beyond standard library features. - Complex State Management: Handle stat...

I’m ready to move Catalyst from concept to a working MVP and need an experienced full-stack partner to make it happen. Catalyst will serve insurance brokers as an all-in-one operating system, replacing today’s patchwork of spreadsheets, email quote requests, and individual insurer portals. Scope of this first build The MVP must let a broker log in, create or import a client, request quotes from the major national insurers we’ll support at launch, display side-by-side comparisons, track compliance evidence automatically, and communicate outcomes back to the client—all through a single, responsive web interface that works smoothly on desktop and mobile. Core modules to deliver • Automated quoting: trigger and retrieve quotes via the insurers’ AP...

Please Note Before Proceeding Below: **This is a small initial project with a limited budget to evaluate the developer’s understanding and quality of work. Once all tasks are completed to our standards, the developer will be hired full-time and considered for larger projects ranging from $5,000 to $25,000, depending on the role and scope.** We are looking for an experienced Solana blockchain developer with strong AWS server infrastructure expertise to help diagnose, fix, and optimize production-level code issues. This is not a beginner role. You must have hands-on experience with Solana programs, RPC interactions, and backend deployment inside AWS environments. You will be working on live Solana-based systems that require debugging, performance optimization, and infrastructure-le...