Senior Solutions Engineer, Blockchain Ecosystems

About The Role zerohash is hiring a Senior Solutions Engineer, Blockchain Ecosystems to serve as the technical lead for all ecosystem integrations. You will work directly with blockchain foundations, token issuers, and fintech partners to design and validate how their networks connect into zerohash’s infrastructure. This role sits at the intersection of Partnerships, Product, and Engineering. You are responsible for taking high-level commercial opportunities and converting them into clear, technically sound integration plans that Product and Engineering can execute. You will evaluate feasibility, create architecture outlines, define API requirements, and support partners through technical onboarding and testing. Your work ensures zerohash can integrate new chains, tokens, and ecosystem-driven products quickly and with engineering-quality standards.

Key Responsibilities

• Lead all technical scoping for new chain, token, and ecosystem product integrations.
• Translate partner requirements into technical specifications, API mappings, and integration plans.
• Conduct detailed discovery sessions with Product Managers and Engineers to evaluate feasibility, dependencies, and required architectural changes.
• Produce integration documentation, sequence diagrams, data flow outlines, and partner-facing technical materials.
• Support external partners with sandbox testing, API validation, and integration troubleshooting.
• Maintain a technical integration tracker linked to the broader ecosystem pipeline.
• Monitor integration progress across engineering teams and provide weekly technical updates to leadership.
• Identify technical blockers early and drive cross-functional resolution with Engineering, Compliance, and Product.
• Create and maintain outward-facing technical assets, including case studies, solution briefs, technical blogs, and whitepapers.
• Represent zerohash’s capabilities clearly and accurately in ecosystem conversations, partner workshops, and industry discussions.
• Contribute to continuous improvement of ecosystem onboarding and technical validation processes.

Requirements

• 6 to 10 years of experience in solutions engineering, technical architecture, or integration engineering in crypto infrastructure or fintech.
• Experience in crypto infrastructure or fintech, with strong comfort working with complex API and SDK based products.
• Solid understanding of blockchain fundamentals, including chain architecture, wallets, custody models, and transaction flows.
• Comfortable working with concepts such as settlement, reconciliation, address generation, and on and off-ramp logic.
• Deep familiarity with API design and integration patterns, including RESTful APIs, authentication models, webhooks, and event-driven systems.
• Able to translate technical details into clear deliverables for Product, Engineering, and external partners.
• Skilled communicator who can work equally well with Product, Engineering, and external ecosystem partners.
• Organized and detail-oriented, with the ability to manage multiple integrations simultaneously.

Success Looks Like

• Every ecosystem deal has a documented technical scope, timeline, and owner.
• Integrations launch on schedule with clear visibility across teams.
• Product and Engineering have predictable inputs and no missing context from business handoffs.
• Internal and external partners view the Ecosystem function as a reliable delivery engine.

Reporting Line

• Reports to the Chief Business Officer / VP Ecosystem & Product Partnerships
• Works cross-functionally with Product, Engineering, Compliance, and Partnerships.

Benefits

We believe a happy, motivated, and healthy team is the best way to succeed. We offer the following benefits:

• Chance to earn equity
• Maternity & Paternity leave
• WeWork Membership
• WFH Yearly Stipend
• L&D Stipend (after 6 months)

About Zerohash zerohash's full stack financial infrastructure seamlessly connects fiat, crypto and stablecoins, enabling a better way to move and transfer money and value globally. zerohash provides the complete technical infrastructure (delivered through API and SDK) as well as the global regulatory stack to easily and compliantly send, receive, store, and convert fiat, crypto, and stablecoins, in one platform. Start-ups, enterprises and Fortune 500 companies, including Stripe, Interactive Brokers, Shift4, Franklin Templeton, and MoonPay embed our infrastructure to power a diverse range of use cases: cross-border payments, commerce, trading, remittance, payroll, tokenization, wallets and on and off-ramps. Backed by Interactive Brokers, Point72 Ventures, NYCA, Bain Capital, and tastytrade. The zerohash Culture All zerohash employees are guided by the following characteristics and core principles:

• Independence/Ownership - An ability to work autonomously. Join Zero Hash, pitch ideas, and shape the work you do.
• Passion - We are innovating quickly and challenging the status quo. We want you to think big, be creative and make a difference every day.
• Collaborative - A good attitude and respect for others. We’re teammates, not co-workers. Everything we do is a shared success and equally a shared failure - we talk in terms of “we” not “me”.
• Initiative - An ability and passion for learning and asking questions. We will champion you, challenge you and push you to achieve your best - and we expect you to do the same.
• Empathy - An ability to listen, respect, and understand your co-workers, customers, and everyone you interact with no matter how different they are to you.
• Adaptability - An ability to respond quickly. We are in a fast-paced industry and so we expect you to be creative when solving a new problem and comfortable under pressure.
• Transparency - We believe that transparency is critical to empowering everyone to make the best decisions, both the company to its people and vice versa.
• Integrity - Integrity creates trust. As both an organization collectively and as individuals, it is our most valuable asset.

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