Espeo Software is hiring a

Web3 Senior Typescript and Java Engineer

We are a technology company that started its journey in 2008. Our main headquarters is located in the picturesque city of Poznań, nestled by the beautiful Malta lake. For more than 16 years, we have been assisting companies in developing and implementing innovative fintech solutions. Leveraging our expertise in areas such as blockchain, online payments, and more, our clients can invent and develop cutting-edge solutions and services that keep them at the forefront of innovation.

Senior Typescript and Java Engineer

SKILLS: Typescript | Java

B2B: PLN 130 - 156 / Hour 💰

LOCATION: REMOTE

Key Duties and Requirements: A Roadmap to Your Professional Success 🚀

Scope of responsibilities:

• Design, develop, and maintain backend systems and APIs in TypeScript (mainly Node.js) and Java.

• Collaborate with product managers and engineers in an agile, remote setup.

• Write clean, well-tested, and efficient code with attention to scalability and security.

• Troubleshoot production issues and optimize system performance.

• Participate in code reviews and technical discussions.

• Help shape architectural decisions for new services and features.

• Optional: Dive into blockchain-related projects if you're passionate about the space.

Here’s a set of skills we require:

• Proven senior-level experience in backend development, especially with TypeScript and Java.

• Solid understanding of system architecture, API design, and database technologies.

• Familiarity with cloud infrastructure and DevOps practices is a plus.

• Experience working in agile, distributed teams.

• Excellent communication skills – we value proactive and open team players who enjoy collaborating.

• Curiosity for blockchain / crypto is a plus, but not a must.

About the Client:

Our client is a regulated digital asset bank operating at the forefront of financial innovation. With headquarters in Europe and Asia, they bridge traditional finance with blockchain technology, offering secure, compliant solutions for digital asset custody, trading, tokenization, and more.

As a technology-driven company, they build and maintain their own core infrastructure to ensure performance, flexibility, and regulatory compliance. The team consists of experienced professionals from both the finance and tech sectors, all working together to shape the future of digital finance.

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