Syphoon
https://syphoon.comAbout
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Jobs at Syphoon
NextJs (Next.js)
tailwindcss🚀 Senior Frontend Developer
Location: Remote
Type: Full-time
Experience: 4+ years (Senior Level)
We’re looking for a Senior Frontend Developer who can own the entire frontend stack — from architecture and performance to design and UX polish.
About the Role
You’ll be the go-to person for everything frontend — designing and developing user-facing features, setting up UI architecture, and ensuring every interaction feels seamless.
You’ll work closely with the founders and backend engineers to shape the product experience from the ground up.
If you’re someone who thrives in startup environments, loves creative freedom, and enjoys wearing multiple hats (developer + designer + product thinker), this role is for you.
What You’ll Do
- Build and maintain high-performance web applications using ReactJS and NextJS
- Design clean, scalable frontend architecture and reusable components
- Implement stunning, responsive UIs with Tailwind CSS
- Handle state management (Jotai, Zustand, or your preferred modern library)
- Take full ownership of UI/UX — from rough ideas to production-ready interfaces
- Collaborate directly with backend and product teams to deliver delightful user experiences
- Optimize for performance, accessibility, and SEO
- Help shape the frontend culture, tech stack, and coding standards
What We’re Looking For
- 4+ years of professional frontend development experience
- Expert in ReactJS and NextJS
- Strong experience with Tailwind CSS and component-driven design
- Familiarity with VueJS and NuxtJS
- Strong understanding of UI/UX — you can design as well as build
- Experience with Figma, Sketch, Adobe XD or something similar for frontend prototyping
- Experience with TypeScript, Git, and modern dev tools
- Product mindset: you care about usability, not just code
- Startup-ready: self-driven, resourceful, and comfortable with fast iteration
- Zero vibe-coding: We strongly discourage vibe-coding. You can use AI tools to ease the writing of code, but vibe-coding is forbidden in our startup.
Bonus Points
- Contributions to design systems or open-source frontend tools
- Familiarity with other frontend frameworks like Svelte/SvelteKit, Remix and Astro
- Knowledge of frontend performance optimization and SEO best practices
Why You’ll Love Working With Us
- 💡 Real Ownership: You’ll shape the entire frontend — architecture, tools, and design direction
- ⚡ Startup Energy: Small team, big impact — your work directly shapes the product and user experience
- 🕓 Flexible Hours & Remote Work: We care about output, not clock-ins
- ❤️ Creative Freedom: We value ideas, experimentation, and craftsmanship
Javascript
CJob Overview:
We are seeking an experienced JavaScript Reverse Engineer with deep expertise in reverse engineering obfuscated JavaScript code and bypassing modern web security techniques. This role requires a strong background in both JavaScript and Python, as well as advanced knowledge of browser automation and fingerprinting bypass techniques.
Key Responsibilities:
- Reverse engineer and deobfuscate JavaScript code and APIs for web scraping.
- Bypass popular anti-bot solutions such as Akamai, Datadome, Incapsula, Cloudflare and PerimeterX.
- Work with fingerprinting bypass methods, including TLS and Canvas fingerprinting.
- Reverse engineer and bypass JS Virtual Machine Protection (VMP) techniques.
- Implement custom Captcha solving solutions, utilising frameworks such as YOLO v8 or EfficientNet.
- Employ advanced browser automation techniques to optimise performance while bypassing web fingerprinting methods.
- Work with network engineering principles and have an in-depth understanding of the TCP/IP stack.
- Utilise MITM (Man-in-the-Middle) techniques to inspect and analyse Android app network traffic for scraping purposes.
- Leverage Python for scripting, automation, and integration with reverse engineering tasks.
Required Skills and Qualifications:
- 5+ years of experience with JavaScript and Web Scraping.
- Proven expertise in reverse engineering obfuscated JavaScript code and APIs.
- Strong knowledge of bypassing anti-fingerprinting techniques, including TLS and Canvas fingerprinting.
- Prior experience in overcoming anti bot solutions like Akamai, Datadome, Incapsula, and PerimeterX.
- Adequate understanding of JavaScript Virtual Machine Protection (JS VMP).
- Experience with custom Captcha solving solutions such as YOLO v8 or EfficientNet.
- Expertise in browser automation for efficient bypass of fingerprinting.
- Solid foundation in network engineering, with deep knowledge of the TCP/IP stack.
- Experience in using MITM techniques to inspect network traffic, especially for Android apps.
- Proficiency with containerisation and orchestration tools like Docker and Kubernetes.
Preferred Qualifications
- Experience working with security research and web vulnerability assessments.
- Familiarity with web scraping ethical guidelines and best practices.
- Strong collaboration skills and ability to work in an agile team.
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