Lead backend engineer

Full time
Compensation is not specified
Backend Engineer

Required work experience: 7+ years overall

Full-time, remote


  •  Development of backend APIs and libraries using Node JS (TypeScript) + NestJS framework;
  • Design scalable and cost-efficient backend infrastructure for hardware device
  • Monitor system performance (Grafana, Grafana Cloud Logs, Prometheus);
  • writing unit/integration/e2e/stress tests
  • Conduct technical interviews
  • Write technical documentation


  • Backend development experience in NodeJS in production;
  • Confident knowledge of TypeScript / JavaScript;
  • Having experience with Kubernetes and Docker;
  • Deep knowledge of SQL/NoSQL databases, file storages and network protocols
  • Security best practices
  • Experience in managing a technical team
  • Basic knowledge in cryptography (hash function, symmetric/asymmetric encryption, digital signatures, key pairs)


  • Must have: NestJS (NodeJS + TypeScript), microservices pattern, Postgres, Redis, S3, message queues, auth protocols
  • Good to have: blockchain knowledge, gorush, experience in designing software for hardware devices, CRM
Skills Required
1inch Hardware Wallet
Company size
Virgin Islands (British)
The Hardware Wallet is an independent team of enthusiasts that love to build products the way users want to see it. Teamed up with 1inch (a DEX aggregator that searches deals across multiple liquidity sources, offering users better rates than any individual exchange) we’ve embarked on a path to buidl the first hardware wallet for DeFi: simple, convenient, open-source and powered by community.

More Full-time Jobs

Show more

Partnerships Manager, Web3 Gaming

Full time
Offchain Labs specializes in scaling solutions for Ethereum, notably developing Arbitrum, an Optimistic Rollup technology that enhances app scalability and blockchain capacity while upholding Ethereum's security standards. The Arbitrum ecosystem boasts a significant market share, with numerous applications and a substantial percentage of rollup liquidity. Additionally, Offchain Labs contributes to Ethereum's core protocol through the Prysm consensus client, implementing a Go version of Ethereum's official specification. The team's dedication lies in expanding blockchain's potential and fostering innovation through collaborative research and discussions.

Following successful funding rounds, including a substantial Series B investment, Offchain Labs is seeking team members enthusiastic about the blockchain sector and adept at solving challenges creatively.


Identify, evaluate, and establish strategic partnerships with gaming studios interested in leveraging Arbitrum's technology.

Conduct business development outreach to onboard gaming studios to the Arbitrum ecosystem.

Engage with gaming studios regularly through various communication channels.

Aid gaming studios in transitioning to Arbitrum and/or deploying on the network.

Spearhead new initiatives within the partnerships team to enhance Arbitrum's presence in the gaming sector.

Keep abreast of emerging trends in gaming and understand the role of on-chain gaming assets in business growth.

Relay product updates to different stakeholders and contribute to the product strategy based on external feedback.


Background in game infrastructure, publishing, or blockchain gaming, demonstrating industry expertise.

Strong interest and knowledge in gaming and blockchain technologies.

Exceptional interpersonal skills necessary for establishing and nurturing partnerships.

Experience in aligning internal stakeholders to support strategic decisions.

Ability to effectively present to both technical and non-technical audiences.

Proficient verbal and written communication skills in English.

Previous experience with high-growth tech companies and a vast professional network in Web3 gaming.

Business development experience in the cryptocurrency industry is advantageous.


Remote-first global workforce.

Paid time off for vacations and sick leaves.

Support for attending industry or role-based conferences.

Program for matching ergonomic equipment.

Company-provided laptop.

Annual company offsite event.

At Offchain Labs, we prioritize diversity, equity, inclusion, and a sense of belonging to foster a supportive workplace for all employees. We advocate for an environment where every individual feels valued and has equal opportunities for success, regardless of background or identity. We encourage candidates from diverse backgrounds to apply and become part of our team.

Senior Rust Blockchain Engineer

Parque Industrial Global Park Querétaro, Mexico
Parque Industrial Global Park Querétaro, Mexico
Full time
Who We Are:

Our mission is to enhance decentralized networks by reducing costs associated with zero-knowledge proofs. Horizen Labs, established in 2019, aims to create a more secure digital environment within the decentralization wave. We prioritize advancing blockchain technology through cost-effective proof verification methods while maintaining security. With a focus on developing cutting-edge, module-driven architecture integrated with composable zero-knowledge proofs, we continuously set higher standards for efficiency, security, and cost-effectiveness. At Horizen Labs, our team members are our most valuable assets. We foster a culture that empowers individuals to bring their unique ideas to life, and we are seeking innovative minds to join our dedicated team in the blockchain space. Experience the excitement of being part of a rapidly growing company at the forefront of innovation. Embracing diversity drives the innovation needed to create exceptional products. Operating with a globally distributed workforce in collaboration with satellite offices in New York City, NY, and Milan, Italy, enables us to tap into diverse talent pools. Are you ready to be a part of revolutionizing the future with leading-edge blockchain technology? Join us!

We are in search of a skilled Senior Rust Blockchain Engineer to join our team. As a Senior Rust Blockchain Engineer, you will drive the design, implementation, and optimization of blockchain protocols and systems. Your role involves contributing to the development of innovative blockchain solutions and ensuring the reliability and scalability of our blockchain infrastructure. Our international team thrives in a dynamic and innovative environment, leveraging technical expertise to pioneer cutting-edge blockchain solutions. Join our motivated team of technical experts who value open communication, pragmatism, and ownership as we collectively solve complex challenges in software engineering, system design, cryptography, and computing. Ideal candidates will possess extensive hands-on experience and expertise in Rust related to blockchain technology, particularly centered on Substrate. If you have the talent and determination to address critical issues with inventive solutions, consider this an opportunity to lead ground-breaking technology advancements and make a meaningful impact in the crypto and blockchain community.

What You’ll Own:

Make foundational design decisions for core blockchain infrastructure components.

Lead the development, testing, and optimization processes for these components to ensure performance, reliability, security, and scalability.

Take technical ownership of novel systems, identifying opportunities for innovative research and development.

Play a significant role in shaping the company's future, actively participating in strategic decision-making and observing the immediate impact of your contributions.

Engage in conferences and explore opportunities within the on-chain ecosystem.

Skills and Qualifications:

A degree in Computer Science or related field, or equivalent practical experience.

Over 5 years of hands-on Software Development experience using Rust.

Previous work experience on a layer-one (L1) blockchain network.

Proficiency in common design patterns and a strong focus on software architecture design.

Passion for writing secure, fast, well-documented, and tested code.

Experience in technical writing and documentation.

Strong English language skills with excellent written and verbal communication abilities.

Enjoy mentoring junior developers and sharing knowledge.

Collaborative team player able to work across engineering, marketing, and support functions to deliver top-notch solutions.

Autonomous, self-driven, and ego-conscious.

Preferred Qualifications:

Theoretical and practical background in using Rust and/or Substrate for constructing L1 blockchains / relay chains / parachains.

Theoretical and practical knowledge of blockchain-based systems (dApps, rollups, etc.), with specific focus on Ethereum and/or other EVM-based solutions.

Understanding of Zero Knowledge Cryptography, general Cryptography, and their application in blockchain technology.

In compliance with New York City's Pay Transparency Act, the annual base salary range for this position if based in NYC is USD 170,000 to USD 195,000.

Horizen Labs is an equal opportunity employer.

Horizen Labs is dedicated to providing reasonable accommodations for individuals with disabilities. If you require accommodations during any stage of the employment process, please contact recruiting@horizenlabs.io.

Social Media Specialist - Meme and Creative video

Full time

Stay updated on internet trends and leverage them to boost impressions and engagement

Collaborate closely with design, content, marketing, and product teams

Plan and execute social campaigns while assisting in managing Binance's social accounts

Liaise with the global social team and other departments to enhance Binance's brand

Generate innovative ideas for social media posts and campaigns

Analyze campaign performance, generate reports, and derive actionable insights to enhance future outcomes


Must be a native English speaker or fluent in English

Proficiency in Mandarin is desirable

Demonstrated ability to create memes, cartoons, and videos independently

Experience in the video, media, or entertainment sectors, partnering with agencies, creators, or digital media firms

In-depth knowledge of the digital media landscape, with a knack for identifying content trends and opportunities

Strong creativity in content creation

Minimum commitment of 5-10 hours per week.

Director of Human Resources

Norcross, USA
Norcross, USA
Full time
Job Summary:

CleanSpark, Inc. (CLSK) (NASDAQ: CLSK), a leading player in America's Bitcoin space, is on the lookout for dedicated individuals to join its team and contribute to the exciting world of digital assets, especially bitcoin. If you possess a strong interest in this field and excel in challenging environments, we welcome your application!

As part of our team at CleanSpark, you'll be actively involved in the global Bitcoin revolution, helping shape the future of sustainable mining practices. We provide a dynamic work environment with attractive benefits to enhance your overall well-being, including generous paid time off, comprehensive health and life insurance coverage, a 401k retirement plan, and more.

About CleanSpark:

CleanSpark (Nasdaq: CLSK) serves as America's Bitcoin Miner™, operating data centers powered primarily by low-carbon energy sources. We support Bitcoin, a crucial digital asset for financial empowerment, while prioritizing trust and transparency within our teams and the communities we engage with.

Responsibilities in Brief:

Strategic HR Leadership

Develop and deploy HR strategies and policies that align with organizational goals.

Address real-time business needs by offering effective HR solutions for enhanced performance.

Collaborate on enhancing organization structures and job designs to drive workforce productivity.

Keep track, analyze, and present key HR metrics to inform strategic decision-making.

Engage in planning and executing internal HR communication strategies with Corporate Communication.

Talent Acquisition and Development

Work closely with senior management to align staffing strategies with organizational goals.

Lead talent acquisition and retention efforts, promote continuous employee development.

Focus on recruitment to attract and retain top talent across the organization.

Develop and oversee training programs to enrich employee skills and career advancement.

Performance Management

Foster a culture of performance, collaboration, and respect within the organization.

Design and improve performance evaluation systems and compensation programs.

Guide managers on performance-related matters, linking annual merit increases to results.


Ensure full compliance with regulatory standards, policies, and procedures.

Stay informed on legal developments and provide strategic guidance to stakeholders.

Collaborate with Legal and Compliance units to address legal matters within the company.

Qualifications and Requirements:

Bachelor's degree in Human Resources, Business Administration, or a related field; Master's degree preferred.

Minimum 7 years of progressing HR experience, including at least 3 years in a leadership capacity.

Thorough knowledge of HR practices, labor laws, and regulations.

Bonus: SHRM-CP or SHRM-SCP certification is highly desirable.

Core Skills and Capabilities:

Excellent verbal and written communication abilities.

Strong interpersonal and negotiation skills.

Exceptional organizational prowess and attention to detail.

Proven time management skills with a track record of meeting deadlines.

Superior analytical and problem-solving proficiencies.

Stellar supervisory and leadership skills.

Adaptability to changing organizational and employee needs.

Prioritization and delegation skills.

Solid comprehension of employment laws and regulations.

Proficiency in Microsoft Office Suite and HR software applications.

CleanSpark is an Equal Opportunity Employer committed to providing fair employment opportunities to all, without regard to race, color, religion, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other pertinent characteristic under federal, state, or local laws. This policy applies across all aspects of employment, including recruitment, hiring, promotion, termination, compensation, and training.

Regulatory Compliance Lead

San Jose, USA
San Jose, USA
Full time
Who We Are:

We are a prominent cryptocurrency exchange within the OK Group family of companies, striving to shape an inclusive future of finance by enabling millions of individuals to engage in cryptocurrency transactions daily. Our mission goes beyond facilitating transactions – we are dedicated to fostering financial literacy, promoting wealth-building opportunities, and democratizing access to financial tools. If you are eager to help usher in this future of finance to a global audience, we invite you to join our team.

As the Senior Compliance Manager on the Regulatory Compliance team, your primary responsibility is to lead OKX's compliance efforts, ensuring adherence to regulatory standards across various jurisdictions. This role blends strategic oversight of Regulatory Compliance functions with direct involvement in key compliance activities. Your key objectives include aligning regulations with internal policies, policies, and risk controls, addressing compliance gaps, anticipating and adapting to regulatory changes, and developing a robust regulatory examination plan. You will play a crucial role in promoting a compliant culture while bridging communication between senior management, the compliance team, and regulatory authorities.


Lead the Regulatory Compliance team, defining goals, monitoring performance, and providing guidance to maintain a motivated and proficient team.

Supervise the enhancement of the company's compliance policies and procedures to ensure accuracy, clarity, and effective mitigation of compliance-related risks.

Direct the alignment of regulatory mandates across relevant jurisdictions with the firm's policies, procedures, and risk controls, fostering a proactive compliance management approach.

Take the lead in responding to regulatory changes, ensuring a prompt integration of new requirements into the compliance framework and operational procedures.

Develop and oversee a thorough audit and regulatory examination process encompassing all stages from notification, document compilation, interviews, live-walkthroughs, response management, finding reviews, and closure.

Manage and monitor audit and regulatory examination findings to ensure they are duly tracked and rectified in a timely manner.

Act as a senior liaison with regulatory bodies, representing the firm in intricate compliance discussions and negotiations while maintaining positive and proactive relationships with regulators.

Drive compliance support for licensing applications, ensuring a streamlined strategy addressing both local and central compliance requisites.

Establish and manage a comprehensive compliance training program to enhance regulatory awareness and compliance adherence across the organization.

Coordinate strategic planning sessions with senior management to align regulatory compliance strategies with the overall business objectives of the firm.


Bachelor's degree in Law, Business Administration, IT, or related field preferred; Master's degree would be advantageous.

Extensive experience in senior compliance roles demonstrating leadership in formulating and executing compliance strategies within the crypto industry or similar regulated sectors.

Profound understanding of global regulatory landscapes with specific expertise aligning with the firm's operations in US, Asia, or EU/MENA regions.

Strong leadership abilities with a proven track record in team management and fostering a compliance-focused culture.

Excellent communication and negotiation skills, adept at engaging with internal and external stakeholders, including regulatory bodies.

Demonstrated proficiency in policy and procedure development with a focus on precision, clarity, and compliance risk management.

Professional certifications in compliance such as ACAMS, DipICA, or equivalent highly valued.


Exposure to or keen interest in the crypto industry, including familiarity with blockchain technology.

Experience with risk management frameworks and compliance software solutions.

Previous involvement in managing compliance initiatives and teams across various jurisdictions.

Prior experience working within regulatory agencies.

Compensation and Benefits:

Competitive total compensation package

Comprehensive insurance coverage including medical, dental, vision, disability, and life insurance

401K plan with company contribution

Flexible PTO policy, company-paid holidays

Paid Parental Leave

Employee Referral Bonus Program disbursed in BTC

Company Donation Match

Additional perks upon joining the team

OKX Statement:

We are committed to providing equal employment opportunities based on various factors and qualities, in compliance with established laws and regulations. People of all backgrounds, identities, and abilities are encouraged to apply. Candidates with prior arrests or convictions will be considered as per the San Francisco Fair Chance Ordinance.

The salary for this role ranges between $195,000 - $232,000, subject to individual qualifications, experience, skills, and location. Performance bonuses and long-term incentives may also form part of the total compensation package, alongside extensive financial and medical benefits.

Applicants are encouraged to apply through the designated OKX internal or external career platform.