Shivam Chhuneja

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How To Become A Smart Contract Auditor in 2025: Complete Web3 Security Career Roadmap With Patrick Collins of Cyfrin Audits

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Event: How to Become a Smart Contract Auditor with Patrick Collins

Raman

Vignesh

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Top 8 Smart Contract Audit Companies  (2025 Updated)

We are launching a major Indigenous-led blockchain initiative aimed at advancing economic empowerment and digital inclusion. Our platform will utilize a custom token architecture and integrate community tools including NFTs and digital marketplaces.We are seeking a skilled Solidity developer to help us:<ul><li>Build and deploy ERC-20 token contracts using OpenZeppelin</li><li>Implement features such as:</li><li class="ql-indent-1">Minting</li><li class="ql-indent-1">Admin controls (pause, mint, burn, etc.)</li><li class="ql-indent-1">Secure token allocations (vesting logic)</li><li>Deploy contracts to Ethereum mainnet or an L2 (e.g., Polygon, Base)</li><li>Assist in configuring secure multisig wallets (e.g., Gnosis Safe)</li></ul>Must Have:<ul><li>Solidity</li><li>Experience with OpenZeppelin ERC-20 contracts</li><li>Familiarity with Remix, Hardhat, or Foundry</li><li>GitHub or portfolio of previous smart contract work</li></ul>Bonus:<ul><li>Frontend skills (React + Ethers.js or Web3.js)</li><li>Familiarity with DAO/NFT/token governance patterns</li></ul>We are funded and ready to move quickly — hiring this week.Alignment with Indigenous values and social impact work is a strong asset.

Blockchain Dev for Canadian Indigenous Project

Interested in working on cutting-edge blockchain technology and creating equitable access to the global financial system? Since 2014, the mission-driven team at the Stellar Development Foundation (SDF) has helped fuel the tremendous growth of the Stellar blockchain network, an open-source platform that operates at high-scale today. Developers and companies around the world build on it, and the SDF team is expanding to support the rapidly growing and changing Stellar ecosystem.
As a part of the Developer Experience Team, you will work on the products that help developers onboard and create applications on the Stellar Network. Our team builds a few applications, some of them being Stellar Laboratory, Stellar CLI and the Stellar Javascript SDK. You will play a pivotal role as a visionary technical leader, shaping and innovating the tools that serve as the backbone of our customers' experiences. This role has a direct impact in making the Stellar tooling the best in the industry and will be working very closely with our Product and Developer Relations teams. In this role, you will join our Developer Experience team, focusing on Stellar CLI development for the Stellar Network. You will have the opportunity to collaborate with a passionate, mission-driven team dedicated to empowering developers and advancing open financial infrastructure worldwide.
In this role, you will:
<ul>
<li>Lead the design, development, and maintenance of the Stellar CLI</li>
<li>Collaborate closely with Product and Developer Relations teams to enhance developer experience</li>
<li>Innovate and improve existing tools for all projects under the DevX umbrella</li>
<li>Develop and enhance smart contract tooling capabilities within the Stellar ecosystem to support secure, scalable decentralized application development</li>
<li>Contribute to making Stellar tooling the best in the industry</li>
<li>Mentor junior engineers and provide technical leadership</li>
<li>Collaborate with Platform, DevRel and Ecosystem engineering teams to ensure we are shipping pragmatic solutions</li>
<li>Engage with the developer community to gather feedback and implement improvements</li>
</ul>
You have:
<ul>
<li>6+ years of professional software engineering experience with a focus on developer tools or infrastructure</li>
<li>Proficiency in Rust with a track record of developing and maintaining production-grade systems</li>
<li>Experience building and maintaining client applications or libraries</li>
<li>Sound backend development skills, including expertise in application development best practices and hands-on experience with at least one server-side language (e.g., Go, Python, <a href="http://node.js" rel="noopener noreferrer nofollow ugc" target="_blank">Node.js</a>)</li>
<li>Exposure to smart contract development ecosystems, including tools, frameworks, and security best practices (experience with platforms like Solana, Ethereum, or Stellar smart contracts is a plus).</li>
<li>Familiarity with blockchain technology and cryptography concepts</li>
<li>Exceptional problem-solving abilities paired with clear, collaborative communication skills</li>
<li>A passion for simplifying complex technical concepts into intuitive, developer-friendly tools and workflows</li>
</ul>
Bonus Points if:

<ul>
<li>Experience with open-source project management</li>
<li>Knowledge of the Stellar Network and its ecosystem</li>
<li>Familiarity with other programming languages (e.g., Python, Javascript, Go)</li>
<li>Understanding of financial technology and decentralized systems</li>
<li>Bonus: Has written smart contracts in Rust or Solidity (Rust preferred)</li>
</ul>
We offer competitive pay with a base salary range for this position of $170,000 - $260,000 depending on job-related knowledge, skills, experience, and location. In addition, we offer lumen-denominated grants along with the following perks and benefits:
USA Benefits/Perks:
<ul>
<li>Competitive health, dental & vision coverage with most plans covered at 100% for the employee + any dependents</li>
<li>Flexible time off + 15 company holidays including a company-wide holiday break</li>
<li>Up to 12 weeks of paid parental leave for both non-birthing and birthing parents, as well as up to 14 weeks of paid pregnancy leave for birthing parents</li>
<li>Gym reimbursement ($80 per month)</li>
<li>Life & ADD (up to $50K)</li>
<li>Short & Long term disability</li>
<li>401K with 4% match</li>
<li>Health & Dependent Care FSA Accounts</li>
<li>Commuter benefits with $250/month employer contribution</li>
<li>Health Savings Account (HSA) with monthly employer contribution</li>
<li>Family building benefits through Kindbody</li>
<li>Wellbeing benefits (One Medical, Rightway, Headspace)</li>
<li>L&D budget of $1,500/year</li>
<li>Daily lunch and snacks in office</li>
<li>Company retreats</li>
</ul>



#LI-Hybrid



About Stellar
 
Stellar is more than a blockchain. Powered by a decentralized, fast, scalable, and uniquely sustainable network made for financial products and services and a thriving and passionate ecosystem that includes a non-profit organization driven by a mission, Stellar is paving the path to unlock the world’s economic potential through blockchain technology. Built with speed and low costs in mind, the Stellar network provides builders and financial institutions worldwide a platform to issue assets, and to send and convert currencies in real time creating real world utility. Founded in 2014, the Stellar Development Foundation (SDF) supports the continued development and growth of the Stellar network and also serves the ecosystem of NGOs, corporations, universities, small businesses, governments, and solo entrepreneurs building on the Stellar network through tooling, funding and strategic collaborations. Together, Stellar is where blockchain meets the real world.
 
About the Stellar Development Foundation
 
The Stellar Development Foundation (SDF) is a non-profit organization focused on working with and supporting changemakers to create equitable access to the global financial system through blockchain technology. SDF provides grants, investments, funding, and other awards to builders and organizations. SDF also develops resources and tooling on the Stellar network to help unlock real world utility. As a nonprofit foundation, SDF puts the health of the Stellar network and the Stellar ecosystem and its mission above all else.
 
We look forward to hearing from you!
 
Privacy Policy
 
By submitting your application, you are agreeing to our use and processing of your data in accordance with our <a href="https://www.stellar.org/privacy-policy?locale=en" rel="noopener noreferrer nofollow ugc" target="_blank">Privacy Policy</a>.
 
SDF is committed to diversity in its workforce and is proud to be an equal opportunity employer. SDF does not make hiring or employment decisions on the basis of race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law.

Senior Software Engineer, CLI

Eastern Standard Time

America/Los_Angeles

About the Ethereum FoundationThe <a href="https://ethereum.foundation/ef" rel="noopener noreferrer nofollow ugc" target="_blank">Ethereum Foundation (EF)</a> is a global non-profit organization dedicated to supporting Ethereum and related technologies. Our mission is to do what is best for Ethereum’s long-term success. Our role is to allocate resources to critical projects, to be a valued voice within the Ethereum ecosystem, and to advocate for Ethereum to the outside world.Role SummaryAs a Data Engineer on the Ecosystem Automation team, you will get the opportunity to build AI-first data pipelines to power our internal metric monitoring and workflow automation platform. The infrastructure you build will underpin this system, utilizing agents or other GenAI tools where required to perform a wide range of workflows across the organisation. For our data gathering operation, you will build out an organisation-wide data store, index and expose the data. For the automation platform, you will build infrastructure to power the context engineering solution that agents rely on. This is an opportunity to get stuck into the inception of a cutting edge platform and make a foundational contribution to essential infrastructure for the organisation.About the Ecosystem Automation teamThe goal of Ecodev Automation is to amplify the success of EF teams by proactively automating processes and workflows in a safe manner. Our goal is to enable teams to focus on the work that matters and spare them from repetitive, boilerplate tasks.<h3>What You’ll Be Doing</h3><ul><ul><li>Design and Architect a data store and indexing infrastructure</li><li>Build and maintain the context engineering api to power workflow agents</li><li>Build and maintain data pipelines to track critical Ethereum ecosystem metrics</li><li>Happy working on smaller automation tasks and larger-scale projects</li><li>Prototype tools and dashboards to make ecosystem data more accessible internally</li><li>Help define standards and best practices for measuring ecosystem progress</li><li>Where possible, contribute back to open-source data initiatives across the Ethereum ecosystem</li></ul></ul><h3>What We Look For</h3><ul><ul><li>Experience designing and maintaining data pipelines (batch or streaming)</li><li>Experience applying GenAI/Agentic solutions in a data engineering context </li><li>Familiarity with on-chain data and smart contract logic (Solidity / Rust)</li><li>Experience with orchestration tools like Airflow or Dagster</li><li>Comfort working with external APIs, datasets, and custom scrapers/indexers</li><li>Ability to move from ambiguous ideas to structured metrics and reliable systems</li><li>Familiarity with building data pipelines on AWS, S3 and other cloud platforms and services</li><li>Familiarity with platforms like Dune, The Graph, Token Terminal</li><li>Comfort with dashboarding and visualization, both via external platforms (e.g. Dune) and self-hosted tools (e.g. Plotly)</li><li>Deep interest in Ethereum and public infrastructure</li><li>Interest in collaborating on open-source software and supporting public data infrastructure</li></ul></ul>

Data Engineer, AI and Automation

About the Ethereum FoundationThe <a href="https://ethereum.foundation/ef" rel="noopener noreferrer nofollow ugc" target="_blank">Ethereum Foundation (EF)</a> is a global non-profit organization dedicated to supporting Ethereum and related technologies. Our mission is to do what is best for Ethereum’s long-term success. Our role is to allocate resources to critical projects, to be a valued voice within the Ethereum ecosystem, and to advocate for Ethereum to the outside world.Background<a href="http://protocol.ethereum.foundation/" rel="noopener noreferrer nofollow ugc" target="_blank">Protocol</a>is the Ethereum Foundation’s R&D group, with the mission of bringing the world computer to the world. Our research, engineering and delivery teams work at the frontier of multiple domains to execute on Ethereum’s ambitious roadmap without compromising on our <a href="https://blog.ethereum.org/2025/04/28/next-chapter" rel="noopener noreferrer nofollow ugc" target="_blank">guiding principles</a>.About this RoleThe UX Lead at Protocol will collaborate closely with our Protocol Architecture team to ensure Ethereum evolves in ways that directly benefit users. This is not a traditional product design role. Instead, it focuses on user research, strategic UX thinking, and shaping the foundations of protocol-layer decisions before they reach the UI.This role is foundational: you will not only define and advocate for exceptional user experiences but also infuse user-centric thinking into technical decisions across the organization. Your work will impact millions of current and future Ethereum users.You’ll be responsible for: - Establishing and embedding UX best practices within Protocol, ensuring user experience is a first-class consideration in technical design and strategic decisions.- Establishing and embedding UX best practices within Protocol, ensuring user experience is a first-class consideration in technical design and strategic decisions.- Conducting deep, user-focused research to identify pain points, opportunities, and interaction patterns across Ethereum’s ecosystem.- Consulting and partnering with various technical teams within Protocol and the Ethereum ecosystem, leveling up their understanding and execution of user-centered design.- Driving user-focused conversations, clearly articulating trade-offs, and shaping decisions that impact Ethereum’s global community.Protocol is a unique environment, and you’ll encounter problems that are highly technical, novel, and challenging. You will thrive here if you’re both strategic and tactical—equally comfortable articulating a vision and rolling up your sleeves to execute it.Requirements- 5+ years of UX design experience, ideally with significant exposure to deeply technical domains with Ethereum or crypto products: wallets, apps, infrastructure or protocols.- Proven ability to conduct rigorous user research, distill insights clearly, and integrate them meaningfully into product development.- Strong collaborative and communication skills; experience advocating for UX best practices among highly technical teams.Open Questions and Initiatives- What are the most urgent user pain points to solve, and the most effective levers to address them?- How to design, deploy and leverage <a href="https://vitalik.eth.limo/general/2024/10/17/futures2.html#6" rel="noopener noreferrer nofollow ugc" target="_blank">interoperability</a> <a href="https://ethereum-magicians.org/t/erc-7828-chain-specific-addresses-using-ens/21930" rel="noopener noreferrer nofollow ugc" target="_blank">features and standards</a>, allowing for a seamless crosschain experience?- How to communicate <a href="https://l2beat.com/scaling/summary" rel="noopener noreferrer nofollow ugc" target="_blank">trust assumptions</a> clearly and actionably, without <a href="https://www.decentralised.co/p/abstracting-chains" rel="noopener noreferrer nofollow ugc" target="_blank">flattening complexity</a>?- Is <a href="https://stark.mirror.xyz/rkLEVz9p4r3ouusD-WCkWP_iVZYkZ0K7TFkzeRfiXCU" rel="noopener noreferrer nofollow ugc" target="_blank">Trust Experience</a> the right way to think about Ethereum’s unique affordances?- How to expose privacy as a <a href="https://x.com/VitalikButerin/status/1732041" rel="noopener noreferrer nofollow ugc" target="_blank">first-class UX component</a> for onchain interactions?- How to engage with the shift from browser-extension wallets to <a href="https://x.com/gakonst/status/8783156" rel="noopener noreferrer nofollow ugc" target="_blank">embedded/in-app wallets</a>?How we workProtocol isn’t a traditional workplace: it demands and rewards clarity, rapid execution, and genuine commitment to Ethereum’s mission. Distinct aspects of our work environment include:- Ethereum, period: the EF is in the privileged position where it only needs to consider what is best for Ethereum, without other constraints. This opens the door for unconventional strategies and bold approaches that wouldn’t be possible if we had to optimize for anything else.- Public by Default: Most contributions happen in the open, coordinating with stakeholders across the broader Ethereum community. This requires proactive engagement, clear communication, and effective collaboration without direct authority, even (and especially!) when consensus is challenging.- Agency, Impact & Accountability: You’ll have substantial freedom to define your own approach, experiment, and take ownership over your decisions. But with this autonomy comes clear accountability. Your work will be measured both by its immediate strategic impact, and also by its second-order effects across Ethereum’s ecosystem.This isn’t a fit for everyone, but for motivated, independent individuals, it’s uniquely empowering.Contract Details- This is a full-time role, fully remote. Hours are flexible, but you should generally be available around “Eth o’clock” (14:00 UTC) for synchronous calls.- Additionally, while this isn’t a strict requirement, you’ll benefit from being able to travel a few times a year to events related to your work, such as <a href="https://devcon.org/en/" rel="noopener noreferrer nofollow ugc" target="_blank">devcon</a>, or <a href="https://blog.ethereum.org/2024/05/22/nyota-interop-recap" rel="noopener noreferrer nofollow ugc" target="_blank">interop</a>.- Lastly, anons are welcome to apply and work under a pseudonym, but will need to KYC with the Ethereum Foundation.

UX Lead

Web3 Contract Ethereum jobs and other crypto companies

Page 2. September 2025. Web3 Contract Ethereum Jobs. Apply for. careers at and other crypto companies... Apply today!

Job Title	Company Name	Salary	Location	Tags
R Blockchain Dev for Canadian Indigenous Project	Reconciliation tech	30-60/hour	Remote	RemoteWeb3DeveloperNon Tech
Senior Software Engineer, CLI	Stellar Development Foundation	170k-260k/year	📍 Manhattan, New York, United States	Web3DeveloperEngineeringNon Tech
Senior Software Engineer, CLI	Stellar Development Foundation	170k-260k/year	📍 San Francisco, California, United States	Web3DeveloperEngineeringNon Tech
Data Engineer, AI and Automation	Ethereum Foundation	100k-150k/year		RemoteWeb3DeveloperEngineering
UX Lead	Ethereum Foundation	75k-130k/year		RemoteWeb3ResearchEngineering

Page 2. Web3 Contract Ethereum Jobs

Expired Contract Ethereum Jobs.

Past and filled jobs:

Blockchain Dev for Canadian Indigenous Project

at Reconciliation tech

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