Blockstream

Hardware Engineer

• Work as a core contributor to the Blockstream Jade firmware, writing robust, secure C/Python code within a small, agile team.
• Extend and optimize our support for advanced signing protocols such as taproot, atomic swaps, and simplicity.
• Design and implement features like air-gapped camera signing, cryptographic primitives, and secure communication protocols.
• Develop optimized solutions to work within a resource constrained execution environment.
• Contribute to a transparent, open source codebase where your work is visible to the entire Bitcoin community.

Senior Firmware Engineer

Business Development Rep

• Take immediate ownership of the European market, replacing previous coverage and scaling the team through recruitment and mentorship of junior BDRs.
• Proactively identify, qualify, and close new enterprise partnerships within European financial hubs, targeting Tier-1 banks, asset managers, and digital asset firms.
• Spearhead the development and execution of Blockstream's GTM strategy tailored specifically to the European regulatory and institutional landscape.
• Leverage a deep existing network to drive joint initiatives with executive stakeholders, navigating complex sales cycles from initial outreach to final agreement.
• Partner with our Solutions Architects and global commercial teams to ensure technical alignment and translate regional market intelligence into product requirements.
• Manage the end-to-end negotiation process for MOUs, LOIs, and partnership agreements, ensuring terms align with Blockstream’s long-term Bitcoin-native vision.
• Act as the primary face of Blockstream at major European industry events and conferences to cultivate strategic opportunities.

Director of Business Development – Europe

QA Engineer

• Lead, mentor, and manage a team of QA Engineers, fostering a culture of quality and collaboration.
• Define and oversee the implementation of test strategies, ensuring coverage for functional, performance, security, and regression testing.
• Design and maintain automated testing frameworks for blockchain-based applications and APIs.
• Establish best practices for QA processes and continuously improve testing methodologies to enhance product quality.
• Work closely with developers to review features, identify testability concerns, and ensure proper validation of new functionalities.
• Manage bug tracking and reporting processes, ensuring timely resolution of defects.
• Coordinate with DevOps to integrate automated testing into CI/CD pipelines and optimize execution in cloud-based environments.
• Stay updated with blockchain and fintech QA trends, security vulnerabilities, and best practices.
• Communicate QA metrics, progress, and risks to stakeholders, ensuring transparency and continuous improvement.

QA Engineering Manager

Accounting Manager

• Lead the preparation, coordination, and review of the month-end close process.
• Support the preparation and analysis of monthly financial statements.
• Manage accounting requests related to tax compliance, statutory filings, and regulatory reporting.
• Prepare and review periodic financial statement fluctuation (flux) analyses on a month-over-month and quarter-over-quarter basis.
• Prepare and review monthly general ledger account reconciliations.
• Assist with the consolidation of foreign subsidiaries and intercompany eliminations.
• Coordinate with external auditors in connection with PCAOB audits, including audit procedures related to Bitcoin custody controls and blockchain reconciliations.
• Support the design, implementation, and ongoing monitoring of internal controls, including quarterly control compliance.
• Support the preparation of quarterly and annual consolidated financial statements in accordance with the U.S. GAAP.
• Monitoring the new U.S. GAAP accounting pronouncements and support the implementation of applicable standards.
• Support SOX compliance initiatives, CECL modeling, mergers and acquisitions, and debt and equity transactions.

• Develop and execute: test plans, test cases, and test scripts for blockchain-based applications and APIs.
• Design, implement, and maintain automated testing frameworks for functional, performance, and security testing.
• Conduct manual and automate testing of transactions, wallets, payment systems, and decentralized applications.
• Identity, document, and track defects using bug-tracking tools (e.g. Jira, GitHub).
• Collaborate with developers to conduct feature reviews and ensure testability of new features.
• Perform security testing to detect vulnerabilities in products.
• Work closely with DevOps to integrate testing into CI/CD pipelines, and optimize test execution in cloud-based environments.
• Conduct regression testing and maintain a robust suite of automated tests to prevent system failures.
• Research and implement test practices for blockchain and fintech QA methodologies.

Architect

• Collaborate with Product, Engineering, and Support teams to identify documentation gaps and prioritize content based on user needs and product roadmaps.
• Design and manage the structural hierarchy for both internal engineering wikis and public-facing documentation.
• Create and maintain standardized templates and style guides.
• Design and implement the "docs-as-code" pipeline, ensuring documentation is built, tested, and deployed in line with the software development lifecycle.
• Act as the lead writer for critical technical artifacts, including API references, architectural overviews, and integration guides.
• Audit and update existing documentation to reflect product changes, ensuring that all content remains reliable and up to date.
• Optimize the content to help users find the right information at the right time.
• Design visual aids, presentations, and learning materials that simplify complex technical concepts.
• Leverage Generative AI tools to accelerate the creation of content while maintaining a human-in-the-loop quality standard.
• Define guidelines for how AI tools are used by the engineering team to ensure technical documentation remains accurate and secure.

Information Architect

Copywriter

• Develop and maintain a clear, cohesive, and engaging brand voice, tone, and messaging across all channels.
• Develop copy for product marketing, campaigns, social media, email, brand materials, and more.
• Collaborate with brand, design, marketing, product, and business teams to translate strategy into effective copy.
• Create messaging frameworks, taglines, value propositions, and narratives.
• Ensure copy aligns with brand guidelines and business objectives.
• Review and refine copy from other contributors to maintain quality and consistency.
• Adapt messaging for different audiences, markets, and use cases.

Brand Copywriter

Content Manager

• Research and analyze industry trends, technologies, and market developments across Bitcoin, fintech, and enterprise infrastructure.
• Develop original insights, commentary, and “hot takes” that position Blockstream as a leading voice in the Bitcoin ecosystem.
• Plan, edit, and publish content across owned channels (blog, newsletter, social, and website).
• Work with internal stakeholders — including engineering, product, and communications — to ensure all content is accurate, aligned, and well-positioned.
• Consolidate and maintain a content library that serves as a single source of truth for public materials and messaging.
• Uphold Blockstream’s editorial standards — thoughtful, credible, and grounded in technical and economic reality.
• Support broader marketing initiatives, including product launches, announcements, and thought leadership campaigns.

Marketing Content Manager

Paralegal

• Organize corporate records and coordinate due diligence activities for mergers, acquisitions, and other corporate transactions
• Maintain capitalization tables, option records, and corporate records, including shareholder and director information
• Assist with organizing and preparing agendas and papers for board and/or shareholder meetings and annual general meetings; take minutes, and coordinate correspondence with and requests from various directors
• Assist in the preparation and filing of corporate documents such as articles of incorporation, bylaws, and minutes of meetings
• Liaise and collaborate with internal and external parties across different jurisdictions to support subsidiary governance and ensure compliance with federal and state corporate laws and regulations
• Build legal operations infrastructure from scratch!
• Create intake processes that make it easy for the business to work with Legal
• Develop metrics and reporting to track Legal team performance and workload and to measure success against strategic plans
• Develop and implement operational and technology strategies to enhance Legal department performance and project management
• Lead document management for the Legal team, including organization of legal shared folders, management of all standard contracts and playbooks, creation and updates of policies, templates, and self-service resources for implementation across business units and stakeholders
• Work with other departments to improve cross-functional processes and efficiency

Corporate Paralegal

Product Designer

• Identify user needs and pain points based on user data and transform UX goals into easy-to-use, elegant, and accessible designs
• Create journey maps, use cases, flow diagrams, storyboards, and prototypes
• Translate concepts into intuitive interactions and experiences and validate them through prototyping and user testing
• Collaborate with other designers, product managers and the engineering team throughout the product lifecycle to ensure your designs are addressing user and business needs, feasible to implement, and are subsequently implemented accurately
• Support user research efforts on multiple aspects of the products through qualitative and quantitative research methods
• Adopt, evolve and refine our design system, ensuring visual cohesion and engineering efficiency across all user touchpoints

Brand Designer

• Develop and refine the overarching brand strategy, vision, and narrative that align with company goals and values.
• Build and maintain scalable brand design systems (visual identity, typography, iconography, patterns, templates) while adapting to consumer, enterprise, and developer audiences.
• Partner with product design teams to evolve the brand aesthetic across web, product UI, marketing, social channels, and more.
• Partner with marketing, product, and business teams to align brand with company objectives and go-to-market plans.
• Ensure brand cohesion as we expand into new product lines and enterprise offerings.
• Stay current with industry best practices to keep the brand fresh and relevant.

Brand Design Manager

Security Engineer

• Define and drive security architecture across applications, services, and infrastructure.
• Partner with engineering teams to design and implement secure software systems, focusing on backend and data security.
• Conduct threat modeling, risk assessments, and security reviews for new and existing products.
• Develop and enforce secure coding practices, frameworks, and review processes.
• Collaborate with DevOps on cloud and container security, CI/CD hardening, and access controls.
• Evaluate and integrate security tools for code scanning, vulnerability management, and incident response.
• Guide and mentor engineers on best practices for secure application development.
• Stay ahead of emerging security trends, compliance standards, and attack vectors — particularly in fintech and blockchain domains.