About Zscaler Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We're looking for a Principal Software Engineer to join our platform convergence team. This is a hybrid role, reporting in the San Jose office 3 days a week.  Reporting to the Sr. Director of Software Engineering, you'll be responsible for: 

Designing and building a low-latency, high-throughput data forwarding plane using Rust, leveraging its async/await model for efficient I/O and service-oriented infrastructure Developing distributed, scalable systems with a focus on concurrency, fault tolerance, and messaging Implementing and maintaining gRPC-based APIs and services to integrate forwarding plane capabilities with control and orchestration layers Optimizing system performance through profiling tools across kernel-space and user-space Engaging in code reviews, system design discussions, technical documentation, and mentoring junior engineers

What We're Looking for (Minimum Qualifications) 

10+ years of software development experience including experience coding with Rust, particularly in systems programming and async frameworks like Tokio or async-std Proven expertise in building resilient, observable, and horizontally scalable distributed systems Strong understanding of Linux fundamentals, including networking, namespaces, sockets, and kernel-user space interaction Proficient in container-based environments, Git, CI/CD workflows, and performance instrumentation

What Will Make You Stand Out (Preferred Qualifications)

Experience with systems languages like C/C++ or Go, particularly in performance-critical environments Familiarity with Linux networking stacks, kernel-space technologies (eBPF, XDP, DPDK), bare-metal deployments, Kubernetes networking, service meshes, or observability tools Hands-on experience with gRPC, Protobufs, service-oriented architectures, and L2–L4 networking protocols (TCP/IP, UDP, QUIC, VLAN, routing, encapsulations, etc.)

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LI-HybridZscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.Base Pay Range$182,000 - $260,000 USDAt Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

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Waku is part of the Logos tech stack, a movement supporting the development of the decentralised web. Logos technologies lay the foundations for a freer internet upon which communities can evolve into network states. Each protocol in the Logos stack seeks to empower its users while upholding civil liberties and fundamental freedoms.

As a p2p messaging protocol, born from the original Web3 vision, Waku is a decentralized, censorship-resistant, privacy-preserving communication network that enables anyone to message, interact, collaborate, co-ordinate without worrying about surveillance or deplatforming.

We are a cypherpunk group, looking for other builders to join a principle-first organisation and build truly decentralised software.

More about us:

• https://waku.org/
• https://github.com/waku-org/
• https://discord.waku.org/
• https://forum.vac.dev/
• Logos Manifesto

Responsibilities:

• Implement open protocols for peer-to-peer secure messaging.
• Create and maintain a sustainable and fault-tolerant distributed system.
• Write and maintain Nim code (nwaku codebase).
• Understand and optimise the core functionality of complex software systems.
• Provide feedback on overall design decisions, and participate in code reviews.
• Use libp2p to build infrastructure-level protocols.
• Support platforms and operators using nwaku software.
• Maintain Golang, Rust and other language SDKs built on top of FFI bindings.

Ideally, you have

• A passion for privacy-preserving, decentralised and blockchain technology.
• At least 4 years of software engineering experience, with low-level/strongly typed languages (C/C++/Go/Rust).
• Experience building networking-heavy applications and p2p networking specifically.
• Familiarity with message propagation in loosely connected networks.
• Familiar with p2p building blocks such as gossiping, routing and discovery (DHTs), and Nat traversal.

Bonus points if you have experience in:

• Embedded systems development experience.
• Contributed to a blockchain-related, open-source project.
• Experience with Valgrind, or gdb, or gprof or perf.
• Experience with off-the-shelf networking stacks such as libp2p.

Compensation:

We are happy to pay in a mix of fiat and/or crypto. For more information regarding contributing to IFT: https://contributors.free.technology/

Hiring process:

1. Introduction call with People Ops team
2. Pair programming session with nwaku team member
3. Technical & Culture Interview with nwaku team lead
4. Interview with Waku lead

The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline.

About the Company:

Stader Labs is on a mission to bring sustainable staking yields from digital assets to 1Bn+ users. Stader aims to be the distribution layer of staking while building protocols and products which enhance the security, decentralization, liquidity, governance of some of the major DPoS blockchain networks like Ethereum.

Cabbage is Stader Labs’ deep dive into memecoin discovery and trading—powered by AI, backed by risk mitigation, and fueled by rapid growth plans that span chains, devices, and asset classes. It blends speculative trading with tooling historically reserved for institutional DeFi.

Position Overview: We're looking for a Frontend Developer who’s passionate about building seamless Web3 experiences. In this role, you'll lead the development of modular, high-performance UIs using React and Next.js (App Router), and integrate directly with wallets and smart contracts using tools like wagmi, viem, and @solana/web3.js. You'll work closely with design systems (shadcn/ui, Tailwind), manage state using Zustand or Redux, and implement authentication with NextAuth or BetterAuth.

What You'll Do

• Develop and maintain modular, performant, and visually appealing frontend applications using React.js and Next.js (App Router).
• Integrate with Web3 wallets and contracts using wagmi, viem, and @solana/web3.js.
• Build and manage global and local state using Zustand, Redux, or equivalent.
• Implement authentication flows using NextAuth, BetterAuth, and related tools.
• Work with design systems like shadcn/ui, >Tailwind CSS.
• Collaborate with backend engineers and integrate APIs using GraphQL and REST.
• Maintain a clean component architecture and optimize for responsiveness, accessibility, and performance.

What We’re Looking For

• 3–5 years of frontend development experience, with at least 1+ year in Web3.
• Strong proficiency with React.js, Next.js (App Router), and modern frontend patterns.
• Solid experience with Web3 frontend stacks, including:
  • wagmi, viem, RainbowKit
  • @solana/web3.js (basic proficiency expected)

• Hands-on experience with state management libraries like Redux or Zustand.
• Deep understanding of Tailwind CSS and component libraries like shadcn/ui.
• Proficient in building and consuming GraphQL APIs.
• Familiarity with authentication flows in decentralized apps (NextAuth, BetterAuth, etc.).
• Clean coding practices, reusable components, and performance optimization mindset.
• Bonus: Experience with SSR/SSG in Next.js, Framer Motion, or cross-chain workflows.

Apply Now: