Director of API Integrations (Crypto / Blockchain)

Caiz
Frankfurt am Main

Caiz

Revolutionizing Islamic Finance with Blockchain Technology

Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology?

Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain

At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior.

Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital assets.

We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure.

Why to Join Caiz?

  • Innovative & Purpose-Driven : At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
  • Ethical Impact : As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
  • Growth & Learning Opportunities : At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
  • Global Vision, Local Impact : Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
  • Collaborative Culture : We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
  • Secure & Transparent Environment : We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space.

Tasks

We are seeking a visionary and hands-on Director of API Integrations to lead the strategy, development, and execution of API integration initiatives across Caiz’s blockchain infrastructure and ecosystem. This role is critical in ensuring our platforms integrate seamlessly with partners, financial systems, third-party tools, and decentralized applications.

You will oversee the full lifecycle of API integrations — from architecture and security to documentation and partner onboarding — and lead a cross-functional team of engineers to deliver robust and scalable API solutions.

Responsibilities:

  • Define and execute the API integration strategy aligned with Caiz's ecosystem goals, including banking partners, payment processors, DeFi platforms, wallets, and identity providers.
  • Lead the design, development, and maintenance of secure, scalable, and well-documented RESTful and WebSocket APIs.
  • Manage end-to-end API lifecycle: discovery, onboarding, versioning, governance, and retirement.
  • Collaborate with product, DevOps, and backend teams to ensure seamless cross-platform interoperability.
  • Establish and enforce API security standards, rate limits, authentication (OAuth2, JWT), and data privacy protocols.
  • Identify integration opportunities and work closely with business development and partnership teams to support technical onboarding of new partners.
  • Ensure high reliability, performance, and uptime of all API services through testing, monitoring, and SLAs.
  • Stay current with industry trends, API-first strategies, and new technologies to continuously improve integration capabilities.

Requirements

Experience:

  • 8+ years of experience in backend development, API architecture, and systems integration.
  • 3+ years in a leadership or director-level role managing API engineering or integration teams.
  • Proven experience designing and deploying APIs in fintech, crypto, or blockchain environments.
  • Proficient in RESTful API design, OpenAPI/Swagger, GraphQL (a plus), Webhooks, and microservices.
  • Strong knowledge of API management platforms (e.g., Kong, Postman, Apigee, AWS API Gateway).
  • Experience with crypto protocols, Web3 integrations, and blockchain data structures.
  • Familiarity with middleware, authentication protocols (OAuth2, OpenID Connect), and security practices.

Preferred Skills

  • Experience integrating with banking systems (Open Banking, PSD2 APIs).
  • Understanding of Layer 1 and Layer 2 blockchain APIs and Web3 frameworks (e.g., Web3.js, Ethers.js).
  • Familiarity with Sharia-compliant finance or Islamic fintech is a strong plus.
  • Track record of leading API strategies for global, multi-region tech platforms.

Level of studies: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field.

Language Requirements: Fluent in English

Benefits

Benefits at Caiz:

  • Competitive Financial Compensation : We offer financial benefits that reflect the value of your work and dedication.
  • Work Flexibility : Enjoy the flexibility to work from home, the office, or even abroad.
  • Annual Holidays : Generous paid time off to help you maintain a healthy work-life balance.
  • Relocation Assistance : We provide relocation support for employees moving to new locations.
  • Professional Development : Opportunities for training, certifications, and career growth.
  • Employee Recognition : Programs to celebrate and reward your achievements and contributions.
  • Inclusive & Collaborative Culture : A supportive and diverse work environment where your voice matters.
  • Diversity, Equality, and Inclusion : We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.

Don't miss this opportunity – apply now and be part of the Caiz revolution.

Veröffentlicht am 2026-03-30

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