EU Verify Blockchain Full-Stack Software Engineer (m/f/n)

Currently, for one of our Partners, we are looking for an experienced EU Verify Blockchain Full-Stack Software Engineer (m/f/n) to support a blockchain-based project delivered for an EU public sector institution.RequirementsSoftware development experience, including design, development, testing, and maintenance of enterprise-grade applications: at least 15 years.Full-stack software engineering experience covering both front-end and back-end development: at least 15 years.Blockchain-based applications and distributed ledger technologies, including smart contracts implementation and integration: at least 10 years.DevOps practices, including CI/CD pipelines, infrastructure automation, containerisation, monitoring, and cloud-native deployments: at least 5 years.Designing secure, scalable, high-availability, and production-ready software solutions: at least 10 years.Agile software development environments and collaboration with multidisciplinary teams: at least 10 years.Front-end technologies, including JavaScript, HTML, CSS, React, React Native, Next.js, Angular, Vue.js, TypeScript, Bootstrap, and Java: at least 15 years.Back-end technologies, including Node.js, NestJS, PHP, Symfony, Go, Python, and Solidity: at least 15 years.DevOps and cloud tools/services, including AWS, DigitalOcean, Kubernetes, Docker, Terraform, Helm, and Prometheus: at least 5 years.Databases and related technologies, including MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch, and GraphQL: at least 15 years.Testing activities and tools, including Jest, Mocha, TestCafe, Scrum, Agile, Git, and RabbitMQ: at least 10 years.Git workflows, including GitFlow and trunk-based development, as well as legacy systems using SVN: at least 15 years.Cloud services, including AWS and deployment/management of applications in cloud environments: at least 10 years.Infrastructure as Code tools, including Terraform: at least 5 years.Containerisation and orchestration technologies, including Docker and Kubernetes: at least 10 years.Designing, building, and securing RESTful APIs and web services: at least 15 years.Authentication and authorisation protocols and standards, including IdentityMind and KYC: at least 10 years.Experience in front-end website architecture, user interaction design, back-end applications, APIs, business logic, and database interactions.Experience with secure development practices, including input validation, authentication/authorisation, secure storage, compliant logging, and monitoring.Experience with unit/integration testing, debugging, fixing, and validating code changes.Ability to write clean, functional code across front-end and back-end layers.Ability to write technical documentation.English: minimum B2 level, with strong written and oral communication skills.Education: EQF7 in IT, Engineering, Mathematics, Physics, Business, or equivalent.Nice to haveProfessional certification in blockchain development or distributed ledger technologies.OfferContract: B2B via SHIMI Poland.Type of work: mostly remote / far-site --- services must be performed from within the EU.Occasional travel to Brussels may be required.For far-site delivery, the contracting authority may request on-site presence in Brussels with 7 days' notice.Rate: 450--540 EUR/MD.