{"id":802348,"url":"https://alion.io/job/sonalake-backend-engineer-java","title":"Backend Engineer (Java)","company":{"id":56818,"name":"Sonalake","domain":"sonalake.com","url":"https://alion.io/company/sonalake","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Poznań, Poland"],"countries":["PL"],"hiring_countries":["HU","PL","SK"],"hiring_countries_total":3,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":93000,"period":"year","method":"role_country_seniority_unknown","sample_n":946},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kotlin","optional":false},{"name":"Linux","optional":false},{"name":"Micronaut","optional":false},{"name":"Quarkus","optional":false}],"status":"live","first_seen_at":"2026-09-10T00:00:00Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-10-29T05:04:53Z","board_verified":true,"closed_at":null,"days_open":49,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":49},"description":"Sonalake is a software partnering company that helps our clients realise their product roadmaps. Product design and engineering are at the heart of our business. Our engineering teams work with clients right across the stack; UX, UI design, frontend, backend, analytics, infrastructure, operations - and everything else that goes into delivering great products.\nWe thrive on variety and are highly adaptable. Our teams are exposed to domains as varied as telecom billing, ad tech, securities-based lending, travel tech analytics, and many more.\nInnovation is central to our mission; anticipating future client needs, analysing emerging technologies and developing new products and services.\nWe are now seeking to grow our backend development capability. That’s where you come in!\nYou will\nDevelop rock solid efficient server-side applications\nWrite clean, readable, well-commented, maintainable code\nWork as part of a multi-disciplinary team with designers and other developers\nContribute to product innovation and our open source projects\nHelp evolve and improve our development standards, tooling, and processes\nYou may be a fit for this role if you\nHave 3+ years hands-on software engineering experience\nHave developed business applications using some of the following technologies\nJava, Kotlin\nSpring, Quarkus, Micronaut\nHibernate, JPA, logging and telemetry frameworks\nWorked with Jenkins, Docker, Git and are very comfortable working from the Linux command line and with scripting languages\nHave experience designing for and working with Amazon Web Services\nWorked on teams that have shipped and operated critical software systems\nTake pride in working on projects to successful completion involving a wide variety of technologies and systems\nThrive in a collaborative environment involving different stakeholders and subject matter experts\nAre a great communicator in English - both written and spoken\nThrive on a high level of autonomy and responsibility within a knowledge sharing culture\nAre based in Slovakia, Poland or Hungary\nExperience in Camunda 7 is a big plus\nWhat's in it for you?\nRemote-first approach with many team-building activities. You can work from our offices in Dublin, Poznan or Bratislava, or work on a fully remote or hybrid basis. We believe in a healthy work-life balance\nEvery Sonalaker gets a training budget and paid training days every year to upskill. This covers courses, training, books or conferences\nWe’ve a flat organisational structure with an emphasis on open, honest communication. There are no siloes, no hierarchies and no barriers\nWe focus on innovation: we run projects to evaluate new frameworks, create tools for internal use, contribute to the open source community and research new ways to use existing products in new problem domains\nIndefinite period employment contract\nWe take pride in being a people-oriented company. Openness and opportunity are really important to us. 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