Mid-Senior Crypto Developer

Infoplus Technologies Uk Limited — Poland · Posted ~4 hours ago

Senior Full-time Visa History ✓

Skills

Blockchain Distributed systems Solidity EVM Secure software development Bitcoin Ethereum

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Summary ✨ AI‑Generated

A technology team is looking for an experienced developer to build secure blockchain-based systems and scalable distributed applications. The role involves smart contracts, integrations, security, and financial technology concepts.

Highlights

Work on complex blockchain and distributed systems challenges with opportunities to solve advanced technical problems.

Description

Key Requirements 12+ years of work experience with a Bachelor’s Degree or 8 +years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)Strong experience in building scalable, high-performing distributed systems including APIs, orchestration layers, 3rd party integrations, monitoring & alerts, and high availabilityStrong experience in the entire Secure Software Development Life cycle including version control, CI/CD, unit-testing and performance testingStrong understanding of blockchain technologies (public and permissioned), De-Fi apps, security protocols, private key custody, distributed ledgers – Bitcoin, Ethereum, Hyperledger etc.Strong understanding of Solidity, Assembly, and the EVM technologiesFull-stack software development experience a plusMotivated and fast learner of new technologies to solve complex problemsExperience in payments and financial services compliance, payments ecosystems and payment processing flowsStrong interpersonal, facilitation, and leadership skills along with effective communication (both written and verbal) skills and the ability to present complex ideas in a clear, concise way; ability to influence and develop relationships with key partnersKey Responsibilities Design, develop, and maintain enterprise-grade crypto and blockchain-based products.Build scalable, high-performing distributed systems, APIs, orchestration layers, and third-party integrations.Drive end-to-end software development, from architecture and design through deployment and production support.Develop and enhance backend services using Java and modern engineering practices.Collaborate with frontend teams to deliver seamless user experiences using Angular.Ensure application security, reliability, monitoring, and high availability.Implement and maintain CI/CD pipelines, testing frameworks, and software quality standards.Work closely with cross-functional stakeholders to deliver innovative solutions in the digital payments and financial services domain.Troubleshoot complex technical issues and continuously improve system performance and scalability.Stay current with emerging blockchain, cryptocurrency, and financial technology trends. FYI Preference for candidates with blockchain, crypto, fintech, or payments domain experience.Experience in both backend (Java) and frontend (Angular) development is highly preferred.