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Circle
US
Circle is looking to hire a Lead Analyst, Third Party Security to join their team. This is a full-time position that can be done remotely anywhere in the United States.
Circle - USDC & Web3 Services for a new financial system.
Sahara AI
US
Sahara AI is looking to hire a ML Research Intern to join their team. This is an internship position that can be done remotely anywhere in the United States.
Sahara AI - Create and monetize AI, collaboratively with verifiable on-chain provenance.
About the Company
Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.
Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.
At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.
The Department: Security Development
The Role: Principal Software Engineer
You will be the technical lead and a core part of the Security Development team. You will help build, own, and operate critical infrastructure powering Geminiâs security capabilities.
In this Principal-level role, you will set the technical direction for building, owning, and operating security-critical software, platforms, tooling, frameworks, and libraries. Leveraging your deep backend engineering expertise, you will provide hands-on engineering and leadership as the team scales up.
You will collaborate with other security and engineering teams to understand needs, architect solutions, develop robust systems, and support existing tools inherited by the new team. With a security-first mindset, you will establish secure software development patterns and DevSecOps culture.
As the tech lead, you will have wide latitude to craft our security infrastructure while mentoring and growing a world-class engineering team. Your mission is engineering mastery through operational excellence to support security.
This role is required to be in person twice a week at either our Seattle, WA or New York City, NY office.
Responsibilities:
- Architect, build, and support security platforms and tools leveraging robust software and systems engineering
- Collaborate with security and engineering teams to gather requirements, design solutions, and develop new capabilities
- Provide technical leadership and hands-on expertise as the founding member of a new engineering team
- Maintain and extend existing security platforms
- Hire and mentor strong backend engineers to build out the team
Minimum Qualifications:
- 10+ years of experience in backend software engineering and infrastructure roles
- Expertise designing, building, and operating complex distributed systems
- Demonstrated technical leadership of engineering teams and initiatives
- Strong hands-on software development experience in modern languages
- Deep experience with Linux, networking, containers, and cloud infrastructure (we often use Kubernetes, Docker, and AWS)
- Ability to communicate complex concepts clearly to technical and non-technical audiences
Preferred Qualifications:
- Experience in information security, security automation, and/or DevSecOps
- Knowledge of cryptographic concepts, secure coding, and threat modeling
- Familiarity with security technologies like SIEM, WAF, EDR, and SAST
- Experience building and/or operating access control, authentication, and/or authorization systems
- Competitive starting salary
- A discretionary annual bonus
- Long-term incentive in the form of a new hire equity grant
- Comprehensive health plans
- 401K with company matching
- Paid Parental Leave
- Flexible time off
Salary Range: The base salary range for this role is between $192,500 - $275,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidateâs compensation, we consider a number of factors including skillset, experience, job scope, and current market data.
In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our offices in Seattle and Miami. Employees within the New York, Seattle, and Miami metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC, Seattle, and Miami offices increases productivity through more in-person collaboration where possible.
At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.
#LI-JS2
Apply Now:
Role Requirements:
- 3+ years of professional software development
- 3-6 years working in Golang and JavaScript/Node.js (Python optional)
- Past experience with C and C++ is preferred
- BSc or higher in Computer Science (or BSc with relevant experience) in software engineering
- Knowledge of systems design concepts and distributed computing
- Keen eye for modeling scenarios in reproducible test environments
- Experience with distributed systems and/or container orchestration
- Experience in key security concepts: cryptography, key/certificate management, identity, and access management
- Experience with test-driven development and the use of testing frameworks
- Experience developing complex web applications/services and backend APIs
- You possess an innate curiosity, are a strong advocate for the best engineering practices, and thrive on learning new technologies
- You take a pragmatic approach to developing clean solutions to complex problems
- Strong communication skills, specifically giving/receiving constructive feedback in a collaborative setting
- While open source contributions themselves are a strong nice-to-have, the team develops in open source and uses Git workflows, so you must have proven ability to develop and understand git workflows and the full SDLC in this type of environment
- Ability to stay communicative while working remotely and asynchronously
Nice to Have:
- Notable open-source contributions in GitHub
- Experience in building decentralized Web 3.0 and blockchain technologies
- Familiarity with Cosmos SDK, Tendermint, and Kubernetes
Sphere of Impact:
- Working with the VP of Core Engineering and the Core Engineering team to create and manage the architectural vision for the cloud roadmap at Akash
- Responsible for the technical design and collaborative teamwork towards the delivery of new features in the cloud and chain portions of the product roadmap
- Implementing resilient and scalable systems to achieve extremely high reliability for the Akash blockchain
- Working with community contributors on support issues in the Node and Provider repos.
- Continuously raise our standard of engineering excellence by implementing and driving best practices for coding, testing, and deployment
Apply Now:
Binance
US
Binance is looking to hire an Associate Software Engineer (Front-End) to join their team. This is a full-time position that can be done remotely anywhere in the United States.
Binance - The world's leading blockchain ecosystem and digital asset exchange.
About Aztec
At Aztec, our goal is to add privacy to Ethereum.In the current public blockchain paradigm, users and entities unknowingly broadcast data in the public, compromising privacy and security to get trustlessness.Not only are unencrypted blockchains inherently privacy-exposing, they require significant redundancy to compute and verify the legitimacy of transactions.Implementing scalable encryption in a public blockchain paradigm requires cutting-edge math and engineering. Thankfully, our team of scientists and engineers invented Plonk, the industry-standard zkSNARK, and Noir, the universal language of zero knowledge.Now, we’re building a first of its kind Layer 2 with private smart contracts. This requires new cryptographic primitives, a zero-knowledge DSL for writing contracts, a privacy-friendly execution environment, a carefully designed set of circuits that prove the validity of the chain to L1, a decentralized block-building and proving mechanism, and a top-tier user and developer experience. And it’s now time to bring it to market.We’ve raised $125 million from industry-leading investors including a16z crypto, Paradigm, Variant, Consensys, and a_capital, and we’re growing quickly.What You’ll DoWe’re looking for entrepreneurial, impact-driven engineers who thrive in fast-paced environments and want to be at the forefront of privacy-first decentralized applications. You’ll be part of a highly collaborative team working on the client-side stack that powers Aztec's zero-knowledge execution environment.You Will- Design and build tools & SDKs that enable developers to build powerful, privacy-preserving dApps on Aztec.
- Develop a secure client-side execution environment, used by wallets and applications to produce and handle encrypted transactions.
- Architect reusable patterns and libraries for writing auditable and verifiable Aztec smart contracts.
- Collaborate cross-functionally with protocol, cryptography, and product teams to build end-to-end privacy-preserving applications.
- Refactor, document, and test existing code for maintainability, performance, and correctness.
- Identify and reduce technical debt, while continuously improving architecture and developer ergonomics.
- 3+ years of professional software engineering experience, ideally in blockchain or cryptography-related systems.
- Deep proficiency in TypeScript, with strong software architecture and API design skills.
- Working knowledge of system-level concerns such as performance tuning, memory management, and secure data handling.
- Able to provide thoughtful code reviews and mentor other engineers.
- Comfortable working autonomously and asynchronously within a distributed team.
- Located in or able to work within GMT to EST time zones.
- Experience with Rust, Solidity, or other smart contract languages.
- Contributions to open source projects, especially in the Web3 or cryptography space.
- Familiarity with zk systems like ZCash or other privacy-preserving protocols.
- Exposure to modern web development frameworks and tooling.
- Passion for zero-knowledge cryptography and its role in reshaping the internet.
- Flexible, remote-first culture with HQ in London.
- Competitive salary + equity/token options.
- 25 days annual leave + bank holidays.
- Health, dental, and retirement benefits (based on location).
- Quarterly offsites for team collaboration and bonding.
- Conference and learning budget for continual professional development.
- A chance to work on truly cutting-edge zero-knowledge infrastructure with some of the best minds in the field.
Apply Now:
Solana Foundation
US
Solana Foundation is looking to hire a Developer Relations Advocate to join their team. This is a full-time position that can be done remotely anywhere in the United States.
Solana Foundation - A non-profit organization dedicated to the decentralization, growth, and security of the Solana network.
Sound.xyz
US
Sound.xyz is looking to hire a Staff Product Designer to join their team. This is a full-time position that can be done remotely anywhere in the United States.
Sound.xyz - Discover amazing new music and prove that you were there first.