CSS jobs in crypto and blockchain companies

About Us:-Since its founding in 2017, Prometheum has leveraged its deep expertise in securities law, blockchain and trading to create a compliant ecosystem for digital asset securities that enables all investors to seamlessly invest in digital assets securities. Prometheum has relied on its strong diverse team to build the tools to service digital asset securities. To date, Prometheum has built multiple broker-dealers traversing novel areas and a large technology stack (intersecting trading, blockchain, compliance, etc.). We continue to grow and are looking for hardworking hungry individuals that can contribute to our already great fintech company culture as we traverse new and exciting areas that require a thirst for solving complicated problems. Role:- Fullstack Engineer - Full Time W2Salary Range:-$120,000 - $180,000 Overview:- We are looking for a Fullstack engineer who is motivated to bring their skills and experience working in fin-tech areas to our technology stack.  Responsibilities:-Working with technical leadership and other developers to implement custody, compliance, operations and post-trade settlement systems within our NodeJS-based back end architecture. You will be working with internal and external parties to integrate with blockchain systems and APIs. Qualifications:-7+ years’ experience in engineering including both frontend and backend.Extensive experience of NodeJS and common packages, architecturesStrong knowledge of TypeScript for both NodeJS and frontend development, improving type safety and code reliability.Experience designing, maintaining and expanding APIs via REST.Understanding of GraphQL and building efficient queries/mutations.Experience building tool chain applications, agents, services, server and client applications in NodeJS or similarThorough working knowledge working with a variety of database, SQL and other storage technologies in NodeJS.Excellent problem solving skillsExcellent verbal communication and interpersonal skillsExperience working in an Agile environment and familiarity with tools like Jira, Trello, and ConfluenceA proven track record developing interfaces with ReactJS, and are proficient with front-end languages (HTML, CSS and Javascript)Experience with designing and developing microservices-based architectures, especially for complex systems.Basic understanding of key design principles, and responsive and adaptive designWrite clean, tested code and value documenting your work for others.Proficient understanding of client-side JavaScript frameworks, including lodash or underscoreGood understanding of testing tools like Jest or MochaProficient understanding of cross-browser compatibility issues and ways to work around themProficient understanding of code versioning tools, specifically including Git Benefits:-Excellent benefits including:- Health, Vision & Dental InsuranceFully remote position with equipment provided. Prometheum is an equal opportunity employer. Experience RequirementsExperienced

COMPANY At 0x, our mission is to eliminate the complexity of accessing tokens and liquidity. We deliver this to web3 builders with a delightfully simple suite of developer APIs that provide faster trading, better prices, and superior user experience. Founded in 2017, we’ve processed over 60M+ million transactions and $130B+ in trading volume from users trading on Matcha, Coinbase Wallet, Robinhood Wallet, Phantom, Rainbow, DefiLlama, MetaMask, Zerion, Trust Wallet, and many more. Our investors include Greylock Partners, Pantera Capital, and Jump Crypto. In joining us, you'll take part in transforming the way that value is exchanged on a global scale. We're passionate about open-source software and decentralized technology's potential to act as an equalizing force in the world, and our technology is deployed by a wide array of projects at the forefront of internet and economic advancement. Matcha is a DEX aggregator, built by 0x. With over 5 million tokens indexed across 9 blockchains, the decentralized exchange provides aggregated liquidity from +100 sources and the most efficient trade execution through smart routing. Matcha offers swaps, limit orders and cross chain trades, having enabled over $62B volume and 3.5M+ trades as the first consumer-facing product by the 0x team. MATCHA TECH STACK We care far more that someone has solid fundamentals, is generally intelligent, has strong learning agility, and is an overall good human.  That said, we’re excited about the rapidly evolving tech we’re building on. It includes: Next.js React TypeScript Vanilla extract Wagmi and Viem for interacting with Ethereum RESPONSIBILITIES Ideate and build fluid, nuanced interactions and visual designs that support product goals. Write clean code in React/Nextjs that follows modern front end best practices. Work effectively with a high degree of autonomy, within a collaboratively minded team. Collaborate cross-functionally with other teams, including engineering (internal and external), design, research, data science, product management, executive leadership, and recruiting. Be a steward and influencer of high quality design engineering culture. REQUIREMENTS 5 years+ building front-end products High level grasp of visual design Experience with React, Typescript, and modern front-end development Expert knowledge of CSS, HTML. Strong command of figma and other design tools Passion for the benefits of decentralization and the 0x mission US Compatible Time Zone Exhibit our core values: do the right thing, consistently ship, and focus on long-term impact Bachelor's or equivalent experience PREFERRED Experience with working with 3D software and building experiences the web. Experience with GraphQL/REST APIs Previous exposure to Web3/ Blockchain Applications a plus BENEFITS The base salary range for this position is USD $95,000 - $230,000 + equity + ZRX tokens + benefits. Within the range, individual pay is determined by job-related skills, experience, location, business needs, and candidate preferences between the different compensation elements. Comprehensive insurance (medical/dental/vision/life/disability) — 100% covered for you and dependents 401k, HSA, and FSA for U.S.-based employees Monthly mobile phone bill, wellness, and pre-tax transportation expense Covered mental health benefits (included professional therapy sessions) A supportive remote environment Lunch reimbursement for all employees across the globe! Stipend for your ideal remote / WFH set-up: laptop, headphones, and any other work gear you may need 12-week paid parental leave Great office conveniently located in the SF Financial District for those in the region! Flexible vacation: Take time when you need it (and we really mean it) Multiple annual in-person team meet-ups around the globe 0x and its associated entities are dedicated to fostering diversity, inclusion, and belonging in its teams and workforce, and are proud to be equal opportunity employers. 0x does not make employment or hiring decisions on the basis of race, color, creed, religion, sex (including those who are pregnant or have given birth), sexual orientation, gender, gender expression or identity, age, disability, medical condition, genetic information, military or veteran status, marital status, pregnancy, citizenship, national origin, immigration or citizenship status, political affiliation, or any other basis that is protected by applicable local, state, or federal laws. This includes not making such decisions based on the status itself, as well as any associations, perceptions, and assumptions made regarding these statuses. 0x will also consider qualified applicants with arrest and conviction records in a way that is consistent with San Francisco’s Fair Chance Ordinance and similar local laws. Our commitment to equal employment opportunity extends to ensuring that all applicants and employees can perform to their fullest potential, including through obtaining reasonable accommodations when necessary.  

Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and “all-things-digital” solutions, is seeking a highly skilled and experienced QA Engineer to join our dynamic team.​The client is looking for a highly motivated, quality focused, QA Automation Engineer with experience working with browser, mobile, and QA automation tools. As an individual contributor of the engineering team, you will be responsible for designing and implementing scenario based end to end tests, improving and evolving our automated testing environment, as well as participating in our manual QA efforts. You understand the importance of automated testing and continuous delivery. Data informs the decisions you make and you can’t imagine a world without metrics and instrumentation throughout the software systems you test. You have a passion for delivering high quality systems, and enjoy participating in an agile cloud environment with continuous delivery.Impact you will make in the role:Increase overall team velocity and product quality through automation Design, enhance and build out end to end and performance test automation Work with engineering team to deeply understand the product, and break it in ways that others can’t Participate in the full life cycle of software development including continuous releases Work with product management and engineering leadership to define and execute automated and manual test plans Requirements 3+ years of experience writing scenario based test plans for software products 3+ years of experience in manual testing of software products 3+ years of experience in writing trouble tickets and reproduction steps 3+ years of experience testing high performance, highly scalable, and highly available distributed software products Ability to communicate with both technical and nontechnical audiences Basic understanding of JavaScript (no frameworks), CSS, HTML Fluent in English Teamwork Benefits Paid Time Off (36 paid days per year) Work From Home Training & Development Partial medical compensation About the companyIntetics Inc. is a leading American technology company providing custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions built with SMAC, RPA, AI/ML, IoT, blockchain, and GIS/UAV/LBS technologies.

This role focuses on smart contract development with some backend work. Proceed if you’re a hacker at heart, you can work from earliest R&D to final implementation, and these things are of interest to you : intents, rollups, precompiles, predeploys, proof systems, EVM, real people using what you’ve built. Vos missions Design and implement smart contracts and services related to novel cross-chain proving and intent systems; transaction routing; governance; enshrined rollup functionality Flex into backend to design and implement services that interface with the contracts you design Conduct research and proof-of-concept work in these areas Directly influence the protocol roadmap and strategy Be a tech lead Vos compétences At least 4 years of blockchain development experience with a focus on Ethereum Code securing real value somewhere in the ecosystem Deep understanding of Solidity, the EVM, smart contract best practices and current industry patterns Experience working with chain abstraction, bridging technologies, intent/relay networks and/or an understanding of their integration into web applications Experience designing backend services for cryptocurrency projects, preferably in Typescript Apparent interest and passion for contributing to the crypto ecosystem A bias for startups: constant problem solving, high ownership and accountability, smaller teams Nice-to-haves Informed opinions on the rollup ecosystem and current developments in the Ethereum technical roadmap Experience working with AltVM smart contract platforms like Solana, Move-based chains, and others Active and demonstrated contributions to open source crypto projects Prior experience implementing complex math in Solidity Avantages Fully remote organization that allows you to work anywhere in the US, Canada, or North American time zones (other exceptions considered case-by-case) 100% employer-sponsored medical, vision and dental coverage for you, your spouse and your dependents Flexible vacation and work culture Work-from-home stipend, monthly wellness allowance, and annual learning & development allowance 401(k) plan with company match (if eligible based on residency) Regular co-working opportunities in different cities throughout the US About the companyAnt-tech is a reputable headhunter agency in France, specializing in providing high-quality recruitment services for companies across various industries. With a team of experienced professionals and an extensive network of partners, Ant-tech connects talented candidates with organizations in need, particularly in the technology, finance, and other sectors. Committed to delivering optimal recruitment solutions, Ant-tech focuses not only on finding the right talent but also ensuring long-term and sustainable growth for both candidates and partner companies.

Who We AreFreedx is a newly established cryptocurrency exchange dedicated to providing a seamless, secure, and innovative trading experience. Our team comprises experienced professionals from the crypto, finance, and technology sectors, all passionate about driving the future of digital finance. At FreedX, we are committed to creating a platform that empowers our clients with the freedom to manage their digital assets confidently and efficiently.Our Vision:At FreedX, our vision is to be the most trusted and reliable cryptocurrency exchange, offering unparalleled freedom and scalability to our clients. We aim to build a platform where users can trade and manage their assets with complete peace of mind, knowing that their security and reliability are our top priorities. We strive to continuously innovate and adapt to the evolving needs of the crypto market, ensuring that our clients have access to the best tools and services to achieve their financial goals. Join us on our journey to redefine the standards of digital asset trading and experience the freedom, reliability, and scalability that FreedX has to offer.RoleWe are seeking a talented Frontend Developer with expertise in React and TypeScript to help build a high-performance, user-friendly interface for our cryptocurrency exchange. As part of the frontend development team, you will be responsible for creating and optimizing responsive, secure, and engaging user interfaces to provide an exceptional trading experience. This is an exciting opportunity to work on complex challenges in a fast-paced environment, with a focus on financial data, real-time updates, and a seamless user experience in the growing crypto industry. Key Responsibilities UI Development: Design and develop responsive and visually appealing user interfaces using React and TypeScript, ensuring a seamless and consistent user experience across devices. Real-Time Data Handling: Implement features to handle and display real-time trading data, charts, and notifications efficiently. Component Development: Create reusable components and libraries, adhering to best practices in design and coding standards. API Integration: Integrate with backend RESTful APIs and WebSocket services to facilitate data communication and real-time updates for trading activities and market data. Performance Optimization: Ensure high performance of the frontend application, optimizing for speed, responsiveness, and scalability. Security & Compliance: Follow security best practices to protect user data, particularly in relation to account and transaction information. Cross-Functional Collaboration: Work closely with UX/UI designers, backend developers, and QA engineers to deliver new features and improve existing ones based on user feedback. Testing & Quality Assurance: Write and maintain unit and integration tests to ensure high code quality, stability, and reliability. Documentation: Document code and maintain records of frontend standards, component libraries, and key processes to support development consistency. RequirementsRequired Skills & Experience Technical Proficiency: 3+ years of experience with frontend development, specifically with React and TypeScript. Strong knowledge of modern JavaScript (ES6+) and CSS. React Ecosystem: Proficiency with React libraries and tools (e.g., Redux, React Query, React Router) and component-based development. UI/UX Sensibility: Strong sense of design and attention to detail, with experience implementing UI designs and interactions for high-quality user experiences. Data-Driven Interfaces: Experience with real-time data handling, charting libraries (e.g., D3.js, Chart.js), and performance optimization. API Integration: Experience integrating with RESTful APIs and WebSocket services. Crypto & Fintech Knowledge: Familiarity with blockchain, cryptocurrency trading, or financial data is a plus. Testing & QA: Experience with testing frameworks such as Jest, Enzyme, or React Testing Library. Problem-Solving: Strong analytical skills and ability to solve complex technical challenges in a fast-paced environment. Communication Skills: Excellent communication and teamwork skills to collaborate effectively with a diverse team. Preferred Qualifications Experience with state management libraries (Redux, MobX) and custom hooks Familiarity with CI/CD pipelines and version control (Git) Knowledge of Web3, blockchain, or financial applications Experience working with design systems and component libraries BenefitsWhat We Offer:Competitive salary and performance-based discretionary bonuses,Flexible work schedule, hybrid/remote work opportunityGenerous paid leaveOpportunity for professional developmentFreedX is an equal opportunity employer. We stand for an open and inclusive work environment that fosters the well-being of everyone. We embrace and encourage differences in age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics that make our people unique.About the companyWho We AreFreedX is a newly established cryptocurrency exchange dedicated to providing a seamless, secure, and innovative trading experience. Our team comprises experienced professionals from the crypto, finance, and technology sectors, all passionate about driving the future of digital finance. At FreedX, we are committed to creating a platform that empowers our clients with the freedom to manage their digital assets confidently and efficiently.Our Vision:At FreedX, our vision is to be the most trusted and reliable cryptocurrency exchange, offering unparalleled freedom and scalability to our clients. We aim to build a platform where users can trade and manage their assets with complete peace of mind, knowing that their security and reliability are our top priorities. We strive to continuously innovate and adapt to the evolving needs of the crypto market, ensuring that our clients have access to the best tools and services to achieve their financial goals.Join us on our journey to redefine the standards of digital asset trading and experience the freedom, reliability, and scalability that FreedX has to offer.

Are you a skilled Frontend Engineer looking for a new and exciting opportunity in the Web3 space?Unlockit, a disruptive Web3 PropTech & GovTech company, is seeking a Mid Frontend Engineer to join the team and help revolutionize the Real Estate Market.As a Frontend Engineer, you will be responsible for building and maintaining the frontend systems. You will also have the opportunity to collaborate with multidisciplinary teams and ensure that the software developed is scalable and maintainable.What will you do: Prototype and implement web interfaces; Design and implement solutions that are scalable, maintainable and have high performance; Design and implement unit tests and E2E tests; Integrate and work with a multi-disciplinary remote team. What you should know: At least 2-3 years of E2E experience in product development, ideally with React; Solid knowledge of integrating FE applications with different APIs (REST, websockets, among others); How to lead a feature implementation and test; Knowledge of HTML5, CSS and Javascript; Good understanding of UX; Fluent in Portuguese and English. Personality-wise, you should be a dynamic person with good communication who loves technology and wants to make a big impact in a company starting to scale.Why Unlockit? Remote Work; Collaborative and forward-thinking environment; Join a team committed to excellence and innovation; Opportunities for growth and professional development. Don't miss out on the chance to be a part of the team that is reinventing the way Real Estate is transacted.Apply today!Recruitment process: 1st call with Hiire; Technical interview with the Technical Team; Cultural interview with Tiago Dias (CEO).

Say hello to Newton! We're changing how Canadians trade crypto. Our goal? To make financial freedom something everyone can achieve. We give our customers the tools and knowledge they need to navigate the crypto world.At Newton, you'll work with a remote team spread across Canada, but you'll never feel distant. Ready to be part of something meaningful? Join a team that’s all about pushing boundaries and getting things done.Some of our values:●  Customer first mindset - Commitment to integrity and transparency to our users!●  A dynamic team fueled by collaboration uniting our strengths to overcome any obstacles. Together we build success. We persevere, adapt, and come back stronger, turning obstacles into opportunities.●  We strive for continuous improvement and embrace creativity and encourage experimentation. We push the boundaries of what’s possible and continuously explore new ideas, technologies, and solutions.Role overview: We're looking for a Visual Designer whose primary focus will be supporting our growth marketing efforts. This means creating top-notch experiences for our customers. You’ll report to the VP of Design and collaborate closely with our marketing team to produce both static and animated brand and marketing materials. With a variety of projects at hand, there’s always an opportunity to challenge yourself and learn new skills!Responsibilities will include:● Applying your visual design skills to create marketing materials across various media—ranging from illustrations and merchandise to digital ads, email blasts, and landing pages● Collaborating with the marketing team to develop assets that drive new user adoption and engagement, incorporating feedback and real-time insights to optimize designs● Managing incoming requests and collaborating with multiple stakeholders to prioritize your workload● Playing a vital role in shaping our design identity and how we are perceived in the world● Thriving in a fast-paced, ever-evolving environment that values autonomy and professionalism over micromanagementWho you are:● 3-5 years of experience as a visual or digital designer on an in-house or agency creative team● Bachelor’s degree in a relevant design field or equivalent experience● Solid understanding of digital design layouts and formats, including common social media specifications● Basic knowledge of HTML, CSS, and proficiency in working with Webflow● Video editing capabilities, with motion graphics experience as a bonus (experience with prototyping software like Protopie or Principle is a plus)● Proficiency in design software such as Figma and Adobe Creative Suite (bonus points for After Effects experience)Must Haves:● A passion for analyzing the performance of your assets and iterating on ideas for improvement● A strong design point of view grounded in a solid graphic design foundation, serving as an ambassador for our brand● Relevant experience in video editing, animation, and motion design, with a keen eye for storytelling through visuals● Up-to-date knowledge of content and social media best practices, with a finger on the pulse of industry trends● Excellent written and oral communication skills for effective collaboration in a remote environment● Strong organizational skills and attention to detail, with a reliable and self-motivated work ethic● Ability to act quickly while being open to iteration and feedback from multiple stakeholders● Independence in managing and prioritizing projects and deadlinesPlease include the following in your application:● Your resume● Links to your portfolio or past projects● A brief message about what you hope to gain in the next chapter of your career and what you believe sets you apart from other designersAt Newton, we celebrate our inclusive work environment and welcome members of all backgrounds and perspectives to apply. We are committed to providing reasonable accommodations and will work with you to meet your needs. If you are a person with a disability and require assistance during the application process, please don’t hesitate to reach out!

SORAMITSU is an award-winning global financial technology company with expertise in developing blockchain-based solutions for digital asset and identity management. Our mission is to use blockchain to promote innovation and solve pressing societal challenges.SORAMITSU is the developer of and major contributor to the open-source blockchain platform Hyperledger Iroha, which is tailored for enterprise and public-sector use. Hyperledger Iroha, a project of Hyperledger Foundation, part of the Linux Foundation, has a permissions system that is scalable and performant.Utilizing blockchain, SORAMITSU has developed a digital currency for the National Bank of Cambodia, a CBDC Proof-of-Concept with the Bank of the Lao PDR, a closed-loop payment system for the University of Aizu in Japan, an identity verification system prototype for Bank Central Asia in Indonesia, we were finalists in the Monetary Authority of Singapore CBDC Challenge, and are currently participating in Asia-Pacific's first proof-of-concept test of a cross-border, multi-currency security settlement system using distributed ledger technology with the Asian Development Bank. We have also conducted proof-of-concept tests for several major Japanese enterprises, and are active contributors to open source projects, such as Klaytn, South Korea's leading Layer-1 blockchain, KAGOME, the C++ Polkadot Host implementation, the SORA crypto-economic system, the Polkaswap DEX, and the DeFi wallet, Fearless WalletBased on these experiences, SORAMITSU aims to deploy cutting-edge technology on a global level in order to expedite financial inclusion and health, mitigate economic inefficiencies, and contribute to the fulfilment of the Sustainable Development Goals.You can find out more by visiting our homepage at soramitsu.co.jp or check out our Twitter profile.We are looking for a creative and motivated Web Developer to join our Brand Experience team. In this role, you will be responsible for creating engaging marketing websites, landing pages, and documentation websites for all of our brands and products. The ideal candidate will be passionate about creating engaging, on-brand websites and able to work independently while delivering high-quality results efficiently.You will be responsible for:Create and maintain all marketing and documentation websites for our brands and products.Execute on all phases of the web development process within the Brand Experience team, ensuring mobile and desktop compatibility.Collaborate with Marketing and Product teams to ideate and implement innovative web concepts and solutions.Ensure high-quality visual aesthetics by translating designs into functional websites through code.Develop interactive animated visuals for the web using the latest technologies.Ensure our websites deliver optimal performance across all targeted platforms and browsers.Optimise for SEO and website performance.Assist in the daily duties of the Brand Experience and Marketing teams.Manage your responsibilities autonomously in a remote-first work environment.You need to have:A portfolio showcasing your web development skills, with at least four years of professional experience.Expertise in delivering responsive, high-quality websites using Vue 3 and Nuxt 3, along with full proficiency in HTML/CSS/JS.Experience with Figma and working with design systems.Familiarity with SVG, Canvas, and WebGL visualisation libraries.Proficiency in Git/GitHub.Experience in creating static websites.Familiarity with AI tools and a strong willingness to explore the latest AI solutions to enhance efficiency.A strong general interest in Web3, crypto, and blockchain technologies.Creativity, problem-solving skills, and strong attention to detail.Excellent time management skills, with the ability to meet deadlines and multitask effectively.Ability to handle ambiguity and incomplete information.Ability to take ownership and drive projects to completion.Ability to maintain a positive attitude while giving and receiving constructive criticism with empathy and understanding of diverse perspectives and cultures.Excellent communication skills in EnglishCVs will not be considered without an accompanying portfolio.Would be nice if you had:General experience in Web3, crypto and blockchain-related projects.Personal experience of using cryptocurrencies, and familiarity with decentralised exchanges, wallets, and DeFi protocols.Knowledge and broad understanding of enterprise blockchain solutions, including payment systems and identity systems.Knowledge of meme magic and its relevance in the crypto space.What we offer:A relaxed remote-first (work from anywhere) environment with flexible working hours.A full-time permanent role within a rapidly growing international team.An educational budget to support your growth and development.Opportunities to attend global meetups and conferences for learning and speaking engagements.The opportunity to join an award-winning team designing a better world through decentralised technologies.This is a remote position. Our distributed team is mostly spread across Europe and Asia. Team meetings are held generally during European working hours, and it is expected that you would adapt if necessary and be available accordingly.If you have the required qualifications and are passionate about the Web3 industry, we encourage you to apply for this exciting opportunity.SORAMITSU values diversity and is committed to providing equal opportunities for all applicants and employees. Our employment decisions, such as hiring, promotion, discipline, and termination, are based solely on an individual's qualifications, performance, and business needs. We do not discriminate against anyone on the basis of their race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other protected status under federal, state, or local law.