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Business Development Associate/Manager (Chinese speaking)
Business Development – Remote
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Role Overview

We are looking for a proactive and driven Business Development Associate/Manager (Mandarin-speaking) to grow our user base by onboarding KOLs, trading communities, and professional traders. You will play a key role in expanding our network, establishing strategic partnerships, and driving adoption of the platform.

Key Responsibilities

• Identify, engage, and onboard trader KOLs, communities, and professional traders.
• Build and maintain strong partnerships with traders, signal groups, and crypto communities.
• Conduct cold outreach and manage negotiations with potential collaborators.
• Support referral, rebate, and promotional programs to attract and retain users.
• Stay up to date on crypto trends, competitor exchanges, and emerging KOLs.
• Collaborate with Marketing, Product, and Support teams for smooth onboarding.
• Track and report partnership performance and user acquisition metrics.

Qualifications & Skills

• 2–5+ years in Business Development, Sales, or Partnerships (crypto, fintech, or influencer marketing preferred).
• Strong understanding of crypto trading, exchanges, and KOL dynamics.
• Familiarity with Twitter, Telegram, and Discord.
• Excellent communication, negotiation, and relationship-building skills.
• Self-motivated with a hunter mindset, comfortable with cold outreach and closing deals.
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Nice to Have

• Existing network with KOLs, professional traders, or crypto community leaders.

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Location: Europe or West Coast US (Remote)
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About the Role:

We’re hiring a Senior Product Designer on behalf of a fast-moving, globally distributed team working at the intersection of DeFi, data infrastructure, and user experience. This is a fully remote position with optional co-working hubs available in select global cities.

You'll join a diverse, cross-functional team that blends deep technical expertise with strategic partnerships across the Web3 ecosystem. The team values clear communication, independent thinking, and a collaborative approach to solving complex design challenges.
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What You'll Do

• Own and lead UI design efforts across various digital products with a focus on precision and user experience.
• Build, maintain, and evolve a robust design system in Figma—utilizing best practices like Auto Layout, variables, component sets, interactive prototyping, and library organization.
• Collaborate directly with developers to ensure smooth implementation; familiarity with HTML/CSS/JavaScript and basic React principles is a strong plus.
• Apply design thinking methodologies from discovery and ideation to prototyping and iterative refinement.
• Transform complex, data-rich problems into clean, intuitive interfaces.
• Bonus: If you're comfortable working with tools like Framer for design/development/deployment, that’s a nice plus.
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What We're Looking For

• A compelling portfolio showcasing UI work for data-focused, product-driven platforms.
• Ability to take ownership of the design process from concept through execution.
• Experience working in ambiguous, fast-paced environments where you’re comfortable driving both strategy and hands-on design.
• Clear, concise communication—especially when working with cross-functional teams and presenting to stakeholders.
• Smart workflow habits: optimizing, systematizing, and automating wherever possible.
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Desired Experience

• 5+ years in product or UI design roles.
• Advanced Figma skills—you're confident working with variables, component libraries, prototyping, and scalable systems.
• Basic front-end fluency (HTML/CSS/JS) to effectively collaborate with engineers.
• Strong foundation in user-centric design thinking.
• Experience in Web3, DeFi, or similar fields is highly desirable.
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Nice-to-Haves

• Background in fintech, traditional finance, or B2B SaaS platforms.
• Strength in designing dashboards, analytics tools, or other data visualization interfaces.
• Previous involvement in building or scaling design systems from the ground up.
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Work Environment

• Remote-first: Team members are based across multiple continents, including North America, South America, Europe, and Asia.
• Optional co-working: Offices are available in key hubs for those who prefer an in-person environment.
• Language: English is the primary language across the team.
• Work Style: Agile, fast-paced, and responsive to the evolving nature of DeFi and blockchain ecosystems.

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Senior Product Manager
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Product - Remote

About the role:

We seek a highly motivated product owner with a strong entrepreneurial mindset, unparalleled sense of ownership, and endless passion for the Web3 Blockchain industry. This is a unique opportunity for a talented individual with a proven track record of building and scaling successful ventures to contribute to our growth and explore new business opportunities. The Product Owner will work closely with our leadership team to identify, evaluate, and develop innovative ideas, potentially leading to the launch of new products, services, or new ventures.

Responsibilities:

• Conducted market research and competitive analysis, discovered customer needs, and identified emerging trends to create new business opportunities aligned with the company’s strategic goals.
• Take ownership and accountability for the success of assigned projects and initiatives, operating with the mindset of a business owner. Represent the project publicly and proactively driving growth and results.
• Develop and refine business plans, financial models, and go-to-market strategies for potential new ventures.
• Identify and form strategic partnerships with relevant industry experts, potential partners and investors to accelerate product development and market entry.
• Work with engineering, design, and marketing teams to develop prototypes and minimum viable products (MVPs).

Qualifications:

• 5+ years of product management experience, with at least 2 years in DeFi or blockchain-related products.
• Proven track record of launching and scaling successful DeFi or fintech products.
• Deep understanding of DeFi ecosystems, including protocols (e.g., Uniswap, Hyperliquid, Polymarket), smart contracts, tokenomics, tokenization and blockchain infrastructure (e.g., Ethereum, Layer 2 solutions).
• Demonstrated ability to take initiative, make tough decisions, and drive projects to completion in ambiguous, fast-paced environments.
• Collaborative mindset with a willingness to listen, learn from others, and adapt based on feedback without an ounce of ego.
• Working knowledge of the blockchain tech stack including blockchain ledger, solidity smart contracts, and infrastructure like subgraph, RPCs, and nodes.

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We are a cutting-edge DeFi automation and social trading platform revolutionizing how users, builders, and protocols interact with crypto. By combining seamless automation, gamification, and social engagement, we empower traders to discover, execute, and share innovative trading strategies across multiple chains. With a focus on user-driven growth and simplified blockchain workflows, we are building the future of decentralized finance—where trading is smarter, faster, and more connected. Join us in shaping the next generation of crypto innovation.

The Role

As a DeFi Systems Engineer, you will play a key role in shaping and building an innovative user experience for the future of decentralised finance. We are looking for a skilled developer who is passionate about automating and abstracting away the complexities of on-chain swaps and liquidity management without sacrificing performance or scalability to provide a trading experience that can only be described as magic by end users.

This role offers a unique opportunity to collaborate with a high-performance team in developing a cutting-edge product that will redefine the DeFi ecosystem and advance our mission to transform the industry. You will be joining a stealth-mode initiative supported by a well-funded company, allowing you to innovate in a fast-paced, dynamic environment with the resources and support needed to push the boundaries of technology. Your work will directly contribute to creating a product that will have a profound impact on the world of DeFi, underpinned by the financial strength and strategic direction of our organisation

Key Responsibilities

• Build and optimize low-latency, high throughput APIs that abstract and simplify complex DeFi operations.
• Build real?time risk?management modules for perpetuals (perps), options, and binary products, covering margin calculations, collateral monitoring, and automated liquidations
• Work closely with frontend developers to ensure seamless interaction between the frontend and APIs or blockchain nodes for real-time data display.
• Ensure security best practices are followed, particularly concerning user data and blockchain interactions.
• Collaborate with cross-functional teams (design, marketing, product) to deliver new features and improvements according to the product roadmap.
• Maintain code excellence: author clean, efficient, and maintainable code; implement comprehensive testing and debugging; and lead code reviews, share best practices, and mentor teammates.

Knowledge & Experience

• Must have 5+ years of experience in a similar role and level.
• Proven track record building high performance, production grade, low latency systems or microservices in Go, C++, or equivalent systems-level language, with deep expertise in lock?free data structures, and cache?aware memory layouts.
• Familiarity with key DeFi protocols and aggregators (Jupiter, Uniswap, Jito, Flashbots).
• Deep understanding of derivatives pricing and risk (Black?Scholes, greeks, margin, hedging).
• Strong understanding of crypto markets, order-book mechanics, market-data feed architectures, and risk-control frameworks.
• Experience developing EVM Smart Contracts using Solidity and popular toolchains (Foundry or Hardhat).
• Experience in profiling and benchmarking with tools such as pprof, delve, and gdb and meeting end-to-end performance SLAs.
• Experience with version control systems (e.g., Git) in a production setting.
• Experience with Docker and Kubernetes (or equivalent) for packaging and running microservices in a production environment.
• Experience designing and managing relational databases (MySQL, PostgreSQL) and in-memory data stores (Redis), including schema design, indexing, and caching strategies for low-latency services.
• Experience with market?data infrastructure and back?testing frameworks: hands?on building and operating real?time data pipelines (Kafka/Redpanda, ClickHouse/InfluxDB) and authoring production?grade back?testing and simulation systems in Python or Go.

Ideal Candidate Profile

• A creative problem-solver who is eager to innovate and push boundaries in the DeFi space.
• Possesses a deep understanding of web technologies and a strong grasp of risk management and trading system architectures
• Thrives in scrappy start-up environments, seeing ambiguity as an opportunity rather than an obstacle.
• Comfortable taking ownership of complex problems and transforming them into user-friendly solutions.
• Excels in collaboration, building trust and rapport with both technical and non-technical stakeholders.
• Adept at communicating complex concepts clearly and concisely.
• Relentless in delivering high-quality products, even under pressure.
• Understands that speed and agility are key competitive advantages and drives urgency and efficiency without compromising quality.
• Passionate about DeFi, with a commitment to continuous learning and staying at the forefront of this dynamic field.

Nice to Haves

• Experience building order?book DEXes (e.g. Serum?style)
• Experience integrating natively with DeFi protocols and smart contracts (e.g. Uniswap Router, pump.fun liquidity pools, multicall, etc.)
• Experience developing and deploying Solana Smart Contracts with Achor

• Experience with GraphQL schema design and sub-second subscription handling and/or gRPC-Web for low-latency data flows
• Experience building production?grade back?testing and simulation frameworks in Python or Go.
• Familiarity with dark?pool trading architectures and zero?knowledge proof systems (e.g. zkSNARKs, zk?STARKs) and how they integrate into DeFi protocols.

• Familiarity with cloud platforms (AWS, GCP) and infrastructure-as-code

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Full-Stack Developer

About the Role

We are hiring for a Full-Stack Developer to join a dynamic blockchain-focused team. This role involves building Proof of Concepts (POCs) using React frontends with Node.js or Python backends that interact with blockchain smart contracts or APIs. You will also contribute to projects that integrate with various blockchain networks.
The ideal candidate is a proactive learner, adaptable in their implementations and has strong English communication skills.

Responsibilities

• Design and develop solo POCs with a React frontend and Node.js or Python backend.
• Develop and integrate blockchain smart contracts with backend services.
• Work on projects that interact with different blockchain networks.
• Collaborate with the team to define, design, and implement new features.
• Ensure high performance, quality, and responsiveness of applications.
• Identify and resolve bottlenecks and bugs.
• Communicate with external blockchain teams as needed.
• Maintain high code quality, organization, and automation.

Requirements

• Proven experience as a Full-Stack Developer or in a similar role.
• Strong proficiency in React frameworks.
• Extensive experience with Node.js and Python.
• Experience working with RESTful APIs and WebSocket communication.
• Familiarity with Git version control.
• Bonus: Experience in Golang.
• Ideally, familiarity with blockchain technology and smart contract development.
• Fluent in English (written and spoken).

Nice to Have

• Experience in Rust and Golang.
• Knowledge of containerization tools like Docker.
• Understanding of CI/CD pipelines and DevOps practices.
• Familiarity with Agile methodologies.

Keywords:

Full-Stack Developer, Full Stack Engineer, Full Stack Software Developer, Full Stack Web Developer, Full Stack Programmer, Full Stack Application Developer, Full Stack JavaScript Developer, Full Stack Node.js Developer, Full Stack React Developer, Blockchain Full Stack Developer, Full Stack Python Developer, Full Stack Golang Developer, Full Stack Rust Developer, Full Stack Web Engineer, Full Stack Software Engineer.

Senior Sales Executive – Blockchain Solutions

We are hiring a Senior Blockchain Software Sales Executive for a pioneering technology company specializing in blockchain and privacy-focused solutions. This role is ideal for a results-driven sales professional with a strong background in B2B software sales, particularly within the blockchain industry.

What You’ll Be Doing

You will be responsible for driving end-to-end sales cycles, identifying and engaging new clients and closing high-value deals. Your expertise in blockchain software sales, combined with exceptional networking abilities, will be crucial in expanding our client base and market reach.

This role requires international travel and attendance at industry events, including early morning and late evening networking sessions.

Key Responsibilities

• Identify and engage new business opportunities.
• Develop and execute strategic sales plans.
• Build and maintain relationships with C-level executives in key industries.
• Represent the company at global conferences, trade shows, and networking events.
• Understand client needs and deliver tailored blockchain solutions.
• Stay informed on industry trends and competitive developments.
• Utilize CRM tools (preferably Pipedrive) to track and manage sales pipelines.

Requirements

• 5+ years of B2B sales experience, preferably in software solutions.
• 5+ years of experience selling consulting services (software development) or product-based software (SaaS, BaaS).
• 2+ years of direct experience in the blockchain industry.
• Proven track record of closing £1M+ in annual sales.
• Willingness to travel internationally for business development.
• Comfortable attending early morning and late evening networking events.

Software Engineer (SDN) – Remote

We are seeking a highly skilled Software Engineer (SDN) to join our team and contribute to the development of a next-generation cloud infrastructure platform. This role will focus on designing, optimizing, and potentially building custom Software-Defined Networking (SDN) solutions to enhance our networking stack. You will work closely with experts in data centers and virtualization to tackle complex networking challenges, integrating existing SDN technologies and architecting new systems.

Key Responsibilities:

• Develop high-performance, low-latency networking applications using C, C++, or Rust.
• Work with networking protocols, including VLAN, VXLAN, BGP, EVPN, MPLS, and IPsec.
• Implement control plane and data plane separation in SDN architectures.
• Utilize SDN technologies such as Open vSwitch (OVS), Snabb, ZeroTier, and SONiC.
• Optimize and enhance Linux networking stack (iptables, nftables, netfilter, and kernel-level modules).
• Improve network security by implementing best practices and protocols.
• Collaborate with remote teams to develop and maintain scalable SDN solutions.

Preferred Skills & Experience:

• Expertise in DPDK (Data Plane Development Kit) for high-speed packet processing.
• Familiarity with BGP EVPN for data center fabric and overlay network design.
• Understanding of cloud-native networking, including CNI plugins and Kubernetes networking.
• Experience with hardware offloading technologies (SR-IOV, SmartNICs).
• Strong foundation in distributed systems and scalable cloud architectures.
• Proficiency in Go, Docker, and Kubernetes is a plus.

Qualifications:

• 5+ years of experience in software engineering.
• 3+ years of experience in network software development or SDN-related projects.
• Extensive experience in network architecture, data center networking, and overlay networks.
• Previous work with remote teams in a distributed environment.

This is a remote position, open to candidates worldwide. If you’re passionate about cutting-edge networking technology and cloud infrastructure, we’d love to hear from you!

Platform Engineer - Web3

Location: Europe (Remote)

Are you a skilled engineer ready to dive into the dynamic world of DeFi? Spectrum Search is partnering with an innovative, fast-growing company specialising in smart contract data solutions, and they're looking for a Platform Engineer to join their global remote team.

Your Role:

• Manage and optimise both cloud and bare-metal infrastructure, focusing on efficient data handling across networks.
• Utilise Infrastructure-as-Code (IaaC) tools like Terraform and Ansible, orchestrated with Kubernetes, to ensure automated, streamlined infrastructure provisioning.
• Drive automation of software deployment and integration processes to ensure seamless operations in production environments.
• Collaborate with blockchain communities to support on-chain operations and oversee real-time monitoring, using logs and metrics to guarantee smooth performance.
• Develop custom internal tools to track blockchain balances, monitor price feeds, and streamline development environments.

What We’re Looking For:

• 4+ years of experience in Engineering, DevOps, or SysAdmin roles.
• Strong knowledge of Linux fundamentals and experience managing production Linux servers.
• Proficiency in high-level programming languages such as Go, Python, or JavaScript.
• Hands-on experience with packaging and deploying production-grade software.
• Familiarity with blockchain technology and smart contracts is a strong plus.

Why You Should Apply:

• Join a cutting-edge, fully remote team spread across the US, Europe, South America, and Asia.
• Be part of a company at the forefront of decentralised technology, where adaptability and innovation are key.

Ready for the challenge? Apply now to be part of a team driving the future of DeFi.