Mid-Senior Crypto Developer
Infoplus TechnologiesWarsaw, Mazowieckie, Poland
Type
Contract
Work setup
On-site
Experience
Senior
Posted
Today
What engineering roles in crypto pay
243 salaries · our own dataMost engineering roles in crypto pay between $146k and $255k, with a median of $202k.
As a Mid-Senior Crypto Developer at Infoplus Technologies, you design, develop, and maintain enterprise-grade crypto and blockchain-based products. You build scalable, high-performing distributed systems and drive end-to-end software development from architecture through production support.
What you'll do
- 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
What you bring
- 12+ years of work experience with a Bachelor's Degree, or 8+ years of relevant experience with an Advanced Degree such as a Masters, MBA, JD, or MD
- Strong experience building scalable, high-performing distributed systems including APIs, orchestration layers, third-party integrations, monitoring and alerts, and high availability
- Strong experience with the entire Secure Software Development Life cycle including version control, CI/CD, unit testing, and performance testing
- Strong understanding of blockchain technologies (public and permissioned), DeFi apps, security protocols, private key custody, and distributed ledgers such as Bitcoin, Ethereum, and Hyperledger
- Strong understanding of Solidity, Assembly, and EVM technologies
- Experience in payments and financial services compliance, payments ecosystems, and payment processing flows
- Strong interpersonal, facilitation, and leadership skills along with effective communication (both written and verbal) and the ability to present complex ideas clearly and concisely
- Ability to influence and develop relationships with key partners
- Motivation and ability to learn new technologies quickly to solve complex problems
Nice to have
- Full-stack software development experience
- Experience in blockchain, crypto, fintech, or payments domain
- Experience in both backend (Java) and frontend (Angular) development
