Blockchain Developer

Blockchain Developer - Contract
Location: Lisbon (2 days per week onsite, hybrid model)
Industry: Retail/Consumer Goods
Daily Rate: Competitive

We are building a new delivery team in Lisbon to support an exciting client project within the retail/consumer goods sector. As part of this, we're looking for two Blockchain Developers with strong Java Spring Boot expertise to join on a contract basis.

Key Responsibilities

Design, build, and implement blockchain-based applications and solutions

Develop and maintain secure, scalable code using Java Spring Boot

Integrate blockchain platforms into existing systems and applications

Collaborate with architects, Front End, and full-stack developers within the delivery team

Ensure performance, security, and reliability of blockchain solutions

Technical Skills

Strong hands-on experience with Blockchain technologies (Ethereum, Hyperledger, or similar)

Proficiency in Java with a focus on Spring Boot

Solid understanding of RESTful APIs and microservices architecture

Knowledge of smart contracts and distributed ledger technologies

Experience with databases such as MongoDB is a plus

Familiarity with Terraform or cloud infrastructure is an advantage

What's on Offer

Long-term contract with daily rate

Hybrid working: 2 days onsite in Lisbon per week

Opportunity to join a wider delivery team that also includes Front End Developers, Full-stack Developers, and Architects working with Java, Angular, REST APIs, Terraform, and MongoDB