Backend Engineer
DolarAppKrakow; LondonPosted 21 February 2026
Job Description
What we're looking forAs a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money.What you'll be doingThe work will focus on greenfield development and improvement of existing systemsProjects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity)Our technology stack is based predominantly on Java 25 on the backend with Postgres databaseWe rely on Spring Boot for quick and quality deliveryWe have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & deliveryWhat you'll need5+ years of experience in Backend development, with fluency in JavaBachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplinesQuick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written)Track record of building complex products that millions of people use in hypergrowth startupsBenefitsCompetitive salarySign-on stock options bonus, so you become part of the success of the companyDiscretionary performance bonus (stock options)Paid annual leaveOwn the development process that will face on the customer's impactLatest technology to work withStrong team that will help you improve your skills
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