Backend Engineer, Java

🕒 March 31

🌐 Poland, Slovakia, +1 more countries – Remote

🇵🇱 Poland – Remote 🇸🇰 Slovakia – Remote 🇭🇺 Hungary – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 65%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sonalake

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

🏥 Healthcare

🛡️ Insurance

Consulting • Healthcare • Insurance

Sonalake is a trusted partner for global technology brands, telcos, and scale-up disruptors, offering software services that accelerate product roadmaps in growth sectors such as FinTech, TravelTech, Security, and Life Sciences. The company specializes in telecommunication network solutions that transform operations through automation and analytics. Sonalake emphasizes agile engineering practices and collaboration to deliver extensible and scalable software applications, data analytics platforms, and cloud infrastructure solutions. Their enterprise solutions are designed to enhance digital experiences, catering to sectors like ad tech, insurance, healthcare, and telecommunications.

📋 Description

• Develop efficient server-side applications • Write clean, readable, well-commented and maintainable code • Work as part of a multidisciplinary team with designers and other developers • Contribute to product innovation and open source projects • Improve development standards, tooling and processes • Work with clients across domains including telecom billing, ad tech, securities-based lending and travel tech analytics

🎯 Requirements

• 3+ years hands-on software engineering experience • Experience developing business applications using Java or Kotlin • Experience with Spring, Quarkus or Micronaut • Experience with Hibernate, JPA, logging and telemetry frameworks • Experience with Jenkins, Docker and Git • Comfortable working from the Linux command line and with scripting languages • Experience designing for and working with Amazon Web Services • Experience shipping and operating critical software systems • Strong project completion skills across a wide variety of technologies and systems • Ability to thrive in a collaborative environment involving different stakeholders and subject matter experts • Excellent written and spoken English communication skills • Ability to work with a high level of autonomy and responsibility • Based in Slovakia, Poland or Hungary • Experience in Camunda 7 is a plus

🏖️ Benefits

• Remote-first approach with many team-building activities • Option to work from offices in Dublin, Poznan or Bratislava • Fully remote or hybrid work options • Healthy work-life balance • Training budget and paid training days every year • Courses, training, books or conferences covered by training budget • Flat organisational structure with open, honest communication • Innovation projects and opportunities to contribute to the open source community • Indefinite period employment contract • Coaching culture and development opportunities