{"data":{"id":174763,"slug":"senior-java-backend-engineer","type":"job","title":"Senior Java Backend Engineer","description":"We are looking for a Senior Java Backend Engineer to join a small, autonomous engineering team working on large-scale, distributed systems.\nOnly candidates who already have a valid work permit\/right to work in Sweden should apply.\n\u274c If you do not currently have a valid Swedish work permit\/right to work in Sweden, please DO NOT apply.\nALL REQUIREMENTS ARE MANDATORY\nCandidates are expected to meet all the key requirements and technical criteria listed below. Please review the complete job description carefully before applying.\n\ud83d\udccd Location & Work Model\nMalm\u00f6, Sweden\n100% On-site\nEnglish-speaking environment\nRelocation required if not already based in Malm\u00f6\nSalary: 350 SEK to 800 SEK Per hour\nBenefits: Pension, Insurance, Social Security Benefits.\n\n\n\n\ud83d\udcbc Job Details\nJob Type: Contract basis (2 year)\nJoining: Immediate joiners only\nWork Permit: Valid work permit in Sweden is mandatory\nOpportunity: Long-term contract opportunity\n\n\ud83d\udd11 Key Requirements\n5+ years of professional software engineering experience with strong backend expertise\nDeep knowledge of Java and JVM, including: JVM memory management, Garbage Collection (GC), Concurrency, Performance tuning, Virtual threads\nStrong experience building and scaling customer-facing web services\nSolid understanding of distributed systems and distributed data architectures\nExperience with Cassandra, Redis, Memcached, or similar technologies\nExperience building REST services using Netty or similar frameworks\nHands-on experience with CI\/CD, automated testing, and software delivery\nStrong communication skills and ability to work independently in a fast-changing environment\n\n\u2b50 Nice to Have\nCryptography\/security knowledge: PKCS, KMIP, X.509, AES, KDF, CA\nExposure to ML systems\/frameworks\nExperience with GitHub, Maven, Docker, Kubernetes, Spinnaker\nExperience with privacy-sensitive or security-critical systems\n\n\ud83d\udee0\ufe0f Technology Stack\nJava | Cassandra | Redis | Netty | Docker | Kubernetes | GitHub | Maven\n\u26a0\ufe0f Important\nValid work permit in Sweden is mandatory.\nOnly immediate joiners will be considered.\nThis is a contract position.\n100% on-site in Malm\u00f6, Sweden.\n\n\n\nPlease feel free to share this opportunity with someone in your network who may be a strong fit.","language":"sv","is_translated":true,"title_original":"Senior Java Backend Engineer","description_original":"We are looking for a Senior Java Backend Engineer to join a small, autonomous engineering team working on large-scale, distributed systems.\nOnly candidates who already have a valid work permit\/right to work in Sweden should apply.\nIf you do not currently have a valid Swedish work permit\/right to work in Sweden, please DO NOT apply.\nALL REQUIREMENTS ARE MANDATORY\nCandidates are expected to meet all the key requirements and technical criteria listed below. Please review the complete job description carefully before applying.\nLocation & Work Model\nMalm\u00f6, Sweden\n100% On-site\nEnglish-speaking environment\nRelocation required if not already based in Malm\u00f6\n\n\n\n Job Details\nJob Type: Contract basis (2 year)\nJoining: Immediate joiners only\nWork Permit: Valid work permit in Sweden is mandatory\nOpportunity: Long-term contract opportunity\n\n\n\nKey Requirements\n5+ years of professional software engineering experience with strong backend expertise\nDeep knowledge of Java and JVM, including: JVM memory management, Garbage Collection (GC), Concurrency, Performance tuning, Virtual threads\nStrong experience building and scaling customer-facing web services\nSolid understanding of distributed systems and distributed data architectures\nExperience with Cassandra, Redis, Memcached, or similar technologies\nExperience building REST services using Netty or similar frameworks\nHands-on experience with CI\/CD, automated testing, and software delivery\nStrong communication skills and ability to work independently in a fast-changing environment\n\n\n\nNice to Have\nCryptography\/security knowledge: PKCS, KMIP, X.509, AES, KDF, CA\nExposure to ML systems\/frameworks\nExperience with GitHub, Maven, Docker, Kubernetes, Spinnaker\nExperience with privacy-sensitive or security-critical systems\n\n\n\nTechnology Stack\nJava | Cassandra | Redis | Netty | Docker | Kubernetes | GitHub | Maven\n\n\nImportant\nValid work permit in Sweden is mandatory. \nOnly immediate joiners will be considered.\nThis is a contract position.\n100% on-site in Malm\u00f6, Sweden.\n\n\n\nPlease feel free to share this opportunity with someone in your network who may be a strong fit.","price":null,"currency":"SEK","status":"active","noindex":true,"location":{"address":null,"full_address":null,"city":null,"country":"SE","latitude":null,"longitude":null},"metadata":{"duration":"12 m\u00e5nader \u2013 upp till 2 \u00e5r","employer":"Hykmann Global Business Solutions AB","positions":20,"profession":"Backend-utvecklare","salary_type":"Fast m\u00e5nads- vecko- eller timl\u00f6n","employer_url":"https:\/\/www.hykmann.se\/","scope_of_work":"100\u2013100 %","working_hours":"Heltid","contact_person":"Sreekanth B","employment_type":"temporary","occupation_field":"Data\/IT","employer_workplace":"Malmo","experience_required":true,"employment_type_label":"Tidsbegr\u00e4nsad anst\u00e4llning"},"user_id":null,"is_sponsored":false,"views_count":0,"ai_views_count":7,"bot_views_count":0,"ai_vendor_counts":{"other":2,"openai":3,"anthropic":2},"visibility":"public","submission_source":null,"submission_ai_name":null,"has_owner_email":true,"can_contact_owner":true,"phone":"0733801634","owner_email":"sreekanthpart@gmail.com","images":[],"published_at":"2026-08-26T22:35:50+00:00","expires_at":"2026-09-30T23:59:59+00:00","created_at":"2026-08-27T03:27:57+00:00","updated_at":"2026-09-16T02:44:47+00:00"}}