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About OKX:

Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralized finance.

About the team:

As a mobile software engineer, you will build and maintain a core OKX app with millions of daily active users. You will work cross-functionally with design, product and other engineering teams to identify customer needs, and ship high-quality new features through fast iterations. This is an opportunity to learn the full life cycle of crypto mobile applications including pro/retail trading, asset management and wallet.

Responsibilities:

• Part of a global mobile team, developing new features for the all-in-one iOS and Android apps.
• Strive for performance optimization and maximize customer satisfaction.
• Stay on top of industry trends, and evaluate new solutions to address our unique and fast-growing business needs.
• Work closely with design and product teams, and turn design ideas into quality features that scale to millions of users.
• Collaborate with global development teams, and deliver customized solutions targeting international users while maintaining consistency with the overall architecture.
• Maintain high-quality technical documentation and improve efficiency in cross-office/timezone cooperation.

 
Requirements:

• Experience in either native iOS/Android development, or cross-platform solutions like ReactNative/Flutter/Lua.
• Fluent with at least one of the following languages: Java/Objective-C/Swift/Kotlin/JavaScript.
• Understanding of common data structures and algorithms.
• Embrace agile development process including TDD, CI and Scrum.
• Passionate about mobile technology and building applications for a large user base

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About This Role 

As a data research scientist, you will be responsible for:

• Working closely with the stakeholders on alpha research, focusing primarily on idea generation, data gathering, research/analysis, model implementation, and backtesting for systematic equity strategies.
• Researching & implementing strategies & Machine Learning methods for signal generation and portfolio optimization
• Building efficient and scalable strategies & Machine Learning pipelines for research to be leveraged in the trading environment.
• Combining financial insights and statistical learning techniques to explore, analyze, and harness a variety of datasets to build strong predictive models for deployment in the investment process.
• Collaborating with the stakeholders in a transparent environment, actively engaging in the entire investment process.
• Presenting research findings and recommendations to the senior management team, contributing to the company’s overall strategic direction.
• Staying current with the latest developments in the finance and cryptocurrency industries, including attending conferences, workshops, and networking events.
• Publishing high-quality research papers in leading academic journals and presenting findings at relevant conferences, showcasing the company’s thought leadership in the finance and cryptocurrency sectors.
• Working autonomously and demonstrating a high level of rigor in your research and analysis.

Job Requirements

• Bachelor’s, Master’s, or PhD degree in a quantitative subject such as Applied Mathematics, Statistics, Computer Science, or a related field from a top-ranked university.
• 2-5 years of machine learning experience.
• A proven track record of producing high-quality research related to the finance field.
• Strong knowledge of quantitative methods and techniques, such as time series analysis, machine learning, optimization, and Monte Carlo simulation.
• Understanding of financial engineering theory and mathematical tools in finance, such as stochastic calculus, partial differential equations, and optimization techniques.
• Familiarity with programming languages commonly used in finance and data analysis, such as Python, R, or C++.
• Proficient in database management, including SQL and NoSQL systems.
• Excellent written and verbal communication skills, with the ability to present complex research findings to both technical and non-technical audiences.
• A strong interest in learning and working in the rapidly evolving world of cryptocurrency and blockchain technology.

Preferred Qualifications

• 2-5 years of experience working in a quantitative research capacity focusing on digital assets.
• Knowledge of financial markets, instruments, and trading strategies, with a focus on cryptocurrencies and digital assets.
• Experience with high-performance computing, parallel processing, or cloud computing platforms.
• Strong preference for candidates coming from quantitative trading firms but open to individuals from banks as well.

This role is based in Zurich and will be expected to work from our Zurich office in a hybrid model Monday – Wednesday.

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About the role:As part of the team you will focus on developing best-in-class iOS applications using our modern tech stack. Our apps are written purely in Swift and architected using MVVM-C. We heavily rely on RxSwift/Combine, so any experience in reactive programming is considered a plus.

The difference you will make:

• Collaborate closely with members of tech & product in a cross-functional feature team to develop innovative features for a large global user base.
• Analyse product requirements and designs provided by product owners, providing valuable feedback based on your expertise in iOS development.
• Deliver high-quality, modularised, and scalable code that is maintainable and testable within reasonable timelines.
• Engage in regular sync-ups with not only your feature team, but also the entire iOS team, ensuring that your ideas and insights are heard and valued.

Your expertise:

• Minimum of 2 years of full-time iOS development experience (no upper limit)
• Proficiency in Swift, UIKit and a solid understanding of iOS development best practices.
• Familiarity with MVVM architecture (experience with SnapKit and RxSwift/Combine is highly desirable)
• Experience in writing unit tests and snapshot/UI tests
• Proficiency in Git and familiarity with branching models such as Git-flow, Trunk Based Development, etc.
• Strong problem-solving skills and a passion for continuous learning.
• Excellent communication and collaboration abilities.
• A focus on producing high-quality code and exceptional user experiences.

If you are a motivated and talented iOS developer who thrives in a collaborative environment, we would love to hear from you.Join our team and contribute to building cutting-edge mobile applications that make a difference.Please include examples of your work or links to your portfolio with your application.

#LI-CY2#LI-Hybrid#LI-MidSeniorLife @ Crypto.comEmpowered to think big. Try new opportunities while working with a talented, ambitious and supportive team.Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions.Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth.Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another.One cohesive team. Engage stakeholders to achieve our ultimate goal – Cryptocurrency in every wallet. Are you ready to kickstart your future with us? BenefitsCompetitive salaryAttractive annual leave entitlement including: birthday, work anniversaryAspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.  Work Perks: visa card provided upon joining Our benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.About :Founded in 2016, serves more than 80 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet™. Built on a foundation of security, privacy, and compliance, is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.Learn more at .  is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way.  values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.Personal data provided by applicants will be used for recruitment purposes only.Please note that only shortlisted candidates will be contacted.

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About OKX:

Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralized finance.

About the team:

As a mobile software engineer, you will build and maintain a core OKX app with millions of daily active users. You will work cross-functionally with design, product and other engineering teams to identify customer needs, and ship high-quality new features through fast iterations. This is an opportunity to learn the full life cycle of crypto mobile applications including pro/retail trading, asset management and wallet.

Responsibilities:

• Build mobile infrastructure and tools to enhance engineering efficiency 
• Analyze and optimize UI and infrastructure application code for better performance 
• Develop and maintain reusable iOS app components – Collaborate with product engineering teams to deliver technical solutions and best practices 
• Optimize the project structure and workflow to improve engineering productivity, efficiency, and quality 
• Drive architecture innovations to support world-class mobile app development

 
Requirements:

• Bachelor’s degree or equivalent practical experience
• 3+ years of industry experience in iOS development
• Experience in building and shipping complex, business critical iOS app products with frequent iteration 
• Experience in optimizing App performance, reducing memory footprint and decreasing package size 
• Deep understanding of design patterns and principles with a broad knowledge of iOS techstack 
• Familiar with Objective-C, Swift , C/C++ and other tools like Xcode and instruments 
• Deep understanding of iOS SDK to create scalable, dynamic, and highly performant UI components 
• Working knowledge of remote APIs, concurrency, layouts, transitions, animations, client side persistence, and architectural patterns on mobile apps

Nice-to-have:

• Experience working in a complex, matrix organization involving cross-functional and/or cross-business projects 
• Experience working in a mobile architecture/infrastructure team with deep understanding of the techstack in these projects 
• Experience in sub-engineering areas such as performance optimization, toolchain, automated testing, design pattern, etc. 
• Strong communication skills; enjoy working as a team while being comfortable with delivering large business outcomes independently

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Job Scope

• Conduct research to gain in-depth understanding of cryptographic implementations and protocols used in software and systems, such as encryption applications, communications softwares, operating systems and hardware products
• Perform threat and impact assessments through vulnerability research, code audit, black box testing and reverse engineering
• Design, develop and implement innovative techniques/solutions to mitigate threats

Requirements

• Degree in Infocomm Security, Computer Science, Computer/Electrical Engineering, Information Technology, Mathematics or equivalent
• Strong interest and passion for the field of Infocomm security
• Strong problem-solving and troubleshooting skills
• Creative, innovative, self-motivated and independent
• Knowledge in C/C++/assembly and Reverse Engineering would be an added advantage
• Senior and entry-level positions available
• Applicants must be Singapore Citizens

As CSIT is an agency under the Ministry of Defence (Singapore), only Singapore Citizens will be considered.

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Location: Taiwan, Singapore, Hong Kong, or other APAC-based locationsCompany Overview:hermeneutic investments is a best-in-class proprietary trading firm specialized in cryptocurrency market opportunities. It manages a capital base in the hundred million to one billion dollar range, deploying event-driven long/short discretionary strategies as well as high frequency trading systems. The partners' decade-long history of success in cryptocurrency trading and business building and a firm-wide cultural emphasis on informational advantage, quality over quantity, open debate, relentless iteration, teamwork, and crypto nativity are key to the firm's continued expansion in a challenging market environment that has hamstrung competitors. A hard-wired emphasis on risk management and opportunistic market participation ensure that hermeneutic investments will continue its growth trajectory in the coming decade.Job Overview: As an exceptional Quantitative Researcher with a demonstrable track record and strong market reputation, you will design, build, and lead all aspects of a high-frequency crypto quantitative trading business which will compete with the industry’s top echelon of trading firms. You will have extensive support and resources at your disposal to set the foundations for a successful trading business/desk in motion. hermeneutic’s diversified business gives it a unique edge to succeed in an oversaturated quant HFT space whilst the firm has built a robust technology platform and commits to making it world-class over the long-term. This role is multi-faceted and incorporates all aspects from research to effective implementation and monetization of trading strategies. If you are a highly motivated individual who is passionate about sophisticated quantitative trading strategies/systems and looking for an exciting opportunity to grow your career, we encourage you to apply for this position.

Key Deliverables:

• Develop, maintain, and continually enhance a regression model for crypto high frequency trading.
• Collaborate with the engineers and researchers to design, backtest, optimize, and implement trading algorithms.
• Develop and implement a trading strategy set across multiple centralized crypto exchanges where applicable.

Experience and Qualifications:

• Undergraduate or above degree in Computer Science, Mathematics, Physics, or similar field. 
• Proven track record in deploying and scaling production crypto high frequency trading strategies. 
• Experience as a core contributor in signal research or leader of a trading team at a top-tier HFT. 
• At least 4 years of strategy development experience on HFT for traditional or cryptocurrency markets, with preferred technical ability and proficiency in Python and/or C++.
• Excellent English communication and collaboration skills.

#LI-ACH

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Flow Traders is looking for experienced C++ Software Engineers to join our growing Digital Assets Development team in Amsterdam. The ideal candidate is curious, methodical and a multi-tasker. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business. We value quick-witted, creative minds and challenge them to make full use of their capacities. If you aim high, the sky is the limit!

At Flow Traders you will work on developing low-latency systems that are used to trade different asset classes (including equities, derivatives, cryptocurrencies) at many venues around the world. We are looking for motivated software engineers that can take ownership of the full software development life cycle. You will work closely with product owners and traders to gather, discuss and clarify requirements; collaborate with quality assurance engineers to define acceptance criteria and take responsibility for testing and ensuring quality of your implementations; and deploy production and work together with operations engineers and traders to perform post-deployment support and validation.

Some of the technologies we use in the development process

We do not expect previous experience with all the items listed below.

• C++ (Standard in use: C++17. Migrating to C++20 )
• Compilers: gcc 10 / clang 13
• Python
• Build system: CMake
• Version control: Git
• Testing frameworks: Google Test, Pytest, and Nosetest
• Version control/code review system: Bitbucket
• Operating system: Debian Linux
• Continuous integration system: Bamboo
• Deployment automation: Ansible

What you will do

Main technical activities include:

• Exchange Connectivity: Your primarily responsibility will be writing software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as TCP, UDP, Websocket. The quality of software is ensured thanks to a set of testing suites, which you are expected to use, maintain and extend.
• Trading Strategies: Your main responsibility will be to implement trading algorithms based on requirements provided by traders. You will acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation.

What you need to succeed

• 4+ years of experience with C++ 
• Good knowledge of data structures and algorithms
• Cryptocurrency/Blockchain familiarity highly preferable
• Understanding of full software development life cycle
• Ability to write clean and simple code
• Relevant experience with unit and regression testing
• Knowledgeable about computer architecture and memory subsystem
• Experience with some Linux distribution
• Good interpersonal and team playing skills
• Able to communicate with stakeholders with different backgrounds

Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.

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Notabene is on a mission to make crypto a part of the everyday economy. Leading crypto organizations use our tools to reduce transaction risk and make crypto transfers safe. Working across three continents in eight countries, the Notabene team serves our fantastic community of 100+ customers, including financial institutions, fintechs, exchanges, and more.We’re proud to have the support of leading investors, including Y Combinator, Jump Capital, Castle Island, Green Visor Capital, and more.We’re at an exhilarating moment in our journey, as regulation technologies (reg-techs) are fast becoming recognized as a vital enabler of the crypto ecosystem. Notabene is growing fast—and we’re looking for people like you to help shape the future rails of the crypto industry! We’re rapidly growing and looking for an experienced Business Development Lead to prospect, qualify, and close high-value enterprise clients, namely leading financial institutions and financial technology providers. You will be responsible for sourcing new opportunities and driving the sales process from lead identification, outreach, and qualification to close within a defined territory. This is an exciting and unique opportunity to impact significantly some of the most innovative fintech and crypto companies today. You will operate in a fast-paced environment—regulations are evolving, and market demand is sky-high for new financial products. You will be a trusted partner to crypto companies’ and fintechs’ compliance and business operations teams. You will work closely with the Notabene management team, solving challenging and urgent problems for our clients. 

What you’ll be doing

• Drive revenue and market share in a defined territory with varied customer types
• Own the sales process, including initial discovery, product demonstrations, and commercial negotiations
• Keep abreast of industry trends, target customers, and changes as they relate to your territory
• Collaborate with internal stakeholders on client proposals and technical demonstrations
• Create & articulate compelling value propositions around Notabene products and services
• Work with partners to extend reach and drive adoption
• Meet or exceed quarterly revenue targets
• Maintain a robust sales pipeline
• Participate in user conferences and industry events on behalf of Notabene and our partners
• Travel as required

What you’ll bring

• Experience (4+ years) technology-related enterprise SaaS sales or business development experience
• Experience selling to C-Suite, product management, and/or compliance teams
• Direct field experience working with Financial Institutions, FinTech, or RegTech companies
• You are a quick learner and able to keep pace with the ever-changing regulatory landscape within crypto
• Excellent communication skills, both written and verbal, and the ability to engage stakeholders at multiple levels within an organization
• You have an entrepreneurial spirit and thrive in a dynamic and collaborative team environment
• You have a track record of success selling complex solutions and exceeding expectations
• You are committed to continuous learning
• Experience within the cryptocurrency market is required
• This role will be based in New York City, with a mix of hybrid in-office and remote work

Estimated base pay for this position – $120,000 – $150,000. The salary range will be dependent upon work experience and business needs. This role is eligible for commission and equity as well.If you strongly believe this role is for you, please apply.  Notabene considers a broad array of candidates, including those without blockchain experience. Whether you’re returning to work after a gap in employment, or taking the next step in your career path, we will be glad to have you on our radar.Notabene is proud to be an equal employment workplace and an affirmative action employer. By valuing inclusion and diversity of all forms, we strictly prohibit and do not discriminate based on race, color, religion, national origin, gender, gender identity, gender expression, age, ancestry, citizenship, sexual orientation, status as a protected veteran, or any other legally protected characteristic.

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The role :

As a Senior Quantitative Developer with a strong focus on smart contracts development, you will build and maintain major technical features, through inception, design, implementation and launch, working closely with product and engineering disciplines across the company. You will spend the majority of your time on cross-functional, self-contained product teams focused on delivering value to the customer, while other projects will be more internally focused on integrations, scalability, and performance. The candidate should be passionate about innovation, reliability, and performance, and have a keen interest in cryptocurrency and financial trading.

Some recent exciting projects include:

• Building high throughput interaction with a ZK-Rollup (that operates as a layer 2 network) that balances rapid submission of transactions and variability of transaction processing time
• Implementing an on-chain derivatives risk engine for cryptocurrency derivatives

Responsibilities :

• Lead the design and implementation of a decentralized clearing protocol for crypto derivatives trading. This includes developing, testing, and deploying the smart contracts needed to do so.
• Own monitoring, escalating, analytics, and reporting on all services you build, ensuring high performance and responsiveness
• Conduct research and development to improve trading performance.
• Conduct rigorous testing of the trading system to ensure high quality and reliability.

Requirements :

• 5+ years of backend engineering experience, ideally building products from ideation to launch with a strong engineering team
• Demonstrable, in-depth knowledge and experience with at least one modern language such as Python, Golang, C++
• Experience in smart contract development using languages such as Solidity or Rust.
• Strong understanding of financial markets and experience with trading systems
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills.

Nice to have :

• Experience building a trading systems or a risk engine
• Deep knowledge of the cryptocurrency ecosystem (BTC, ETH, etc.) and underlying technologies (blockchain, PoW, PoS, etc.)
• Interest and understanding of L1/L2 blockchain technology and ZK-Rollups

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Our client is in the midst of building the world's first zk-Native blockchain protocol, built to scale trustless computation and privacy, capable of supporting millions of concurrent users transacting in parallel.They are looking for a Crypto Researcher/Rust developer to join their existing team.

What you will do:

• Assist the CTO in developing company-related projects and completing technical tasks according to project requirements
• Publish articles on key concepts and tutorials on how to use the platform
• Involved in the engineering implementation of the underlying and application layers of blockchain software systems

What you will need:

• Proficient in Rust, along with related development tools and frameworks.
• At least 2 years of relevant work experience

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