Java Developer

Posted 3 Days Ago
Be an Early Applicant
2 Locations
Remote or Hybrid
Senior level
Fintech • Payments • Software • Cryptocurrency
The Role
Design, build and maintain backend services using Java/JVM and PostgreSQL. Architect solutions, own testing, integration, observability and maintenance. Work with AWS IaC, support blockchain node operations and Lightning Network integrations. Collaborate on security, prioritize technical debt, and contribute to ops and infrastructure.
Summary Generated by Built In

Confirmo is a global stablecoin-first payment platform trusted by market leaders. Originally founded in Prague in 2014, we now run one of the most established infrastructures in the industry. In 2025, Confirmo Limited - part of the Confirmo Group - received authorization under the EU Markets in Crypto-Assets (MiCA) framework from the Central Bank of Ireland.

Overview:

We're looking for a holistic and seasoned Backend Developer looking for freedom yet having a highly collaborative and open-minded attitude. You're not only a developer, you want to architect solutions, you care about security principles, you want to deal with IaC infrastructure (AWS), you're passionate about services observability, you like the underlying principles of crypto, you want to teach us something and you also want to learn something new, then we're looking for you. We interact with crypto exchanges, we're operating and processing blockchain nodes, we're early adopters of the lightning network, our backlog is full of requests from our customers, we've insane amount of status quo breaking ideas, imagine all the fun 🙂

We explore and move fast. A checklist is our most complex “process”. Are you passionate about spending most of your working time on tech-heavy subjects? Come and join us.

Your Profile:

  • Mastery of JVM and PostgreSQL (Java 21 we are currently using).

  • Proven track record of full-cycle backend development, including testing, integration, monitoring and maintenance.

  • Analytical thinking, highly organised mind. We don't have the capacity to micromanage, we need to rely on your abilities.

  • Strong ability to prioritise and choose your battles. Our technical debt needs to be deliberated and organised.

  • The willingness to be regularly giving (and receiving) constructive feedback. We are following the disagree & commit principle.

Any of these is a plus:

  • Previous SW engineering experience in the crypto, online payments, banking, or retail industries.

  • Proven track record of actively contributing to the OPS topics and infrastructure engineering. You should be somewhat "happy" in the Linux CLI :-).

  • Experience in fullstack engineering including FE (we use Angular, TypeScript).

  • Familiarity with the backend technologies: Spring Boot, JPA, Maven.


Location:
Our engineering team is based in Prague and remotely across the Czech Republic and Slovakia.

If you are interested in learning more, please submit your CV, and our recruiter will get back to you promptly.

Skills Required

  • Mastery of JVM and PostgreSQL (Java 21).
  • Proven full-cycle backend development including testing, integration, monitoring and maintenance.
  • Experience with IaC infrastructure on AWS.
  • Familiarity with security principles for backend services.
  • Passion for services observability and operational reliability.
  • Analytical thinking and highly organised working style.
  • Strong ability to prioritise, manage technical debt, and make trade-offs.
  • Willingness to give and receive regular constructive feedback (disagree & commit).
  • Previous software engineering experience in crypto, payments, banking, or retail.
  • Experience contributing to ops and infrastructure engineering; comfortable in Linux CLI.
  • Fullstack experience including Angular and TypeScript.
  • Familiarity with Spring Boot, JPA, and Maven.
  • Experience operating/processing blockchain nodes and Lightning Network integrations.
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The Company
0 Employees
Year Founded: 2014

What We Do

Confirmo is a cryptocurrency payment gateway that enables businesses to accept, manage, and settle digital currency payments securely and efficiently. Founded in 2014, the company provides a robust fintech platform for handling crypto transactions while mitigating volatility risks through automatic fiat conversion. It supports major cryptocurrencies and offers APIs, plugins, and dashboards for e-commerce, trading, and global financial operations, helping merchants expand payment options and attract crypto-savvy customers.

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