{"id":2208863,"url":"https://alion.io/job/datasmart-java-backend-developer","title":"Java Backend Developer","company":{"id":3807100,"name":"Datasmart","domain":"datasmart.pt","url":"https://alion.io/company/datasmart-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":33000,"max_usd":81000,"period":"year","method":"role_country_seniority_unknown","sample_n":91},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-17T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-09-17T00:00:00Z","board_verified":false,"closed_at":null,"days_open":24,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":24},"description":"Sobre a vaga\nJoin our team as a Java Backend Developer Mid and Senior. You will design, develop, and maintain high-quality Java applications, implementing microservices and modular architectures. You will participate in projects of high recognition with an appealing technological environment and career progression.\n\nO que vais fazer\n\nDesign, develop, and maintain high-quality Java applications\nImplement and optimize microservices and modular architectures\nBuild and enhance RESTful APIs and backend services\nEnsure strong database integration, query optimization, and data integrity\nContribute to CI/CD pipelines, automation, and DevOps practices\nParticipate in code reviews, ensuring clean, maintainable, and secure code\nCollaborate with cross-functional teams to deliver sprint goals on time\nWrite and maintain technical documentation\nEnsure applications follow best practices, performance standards, and security guidelines\n\nO que é pedido\n\n3+ and 5+ years of experience in Java 8+ development\nSolid knowledge of RDBMS technologies (Oracle, PostgreSQL, SQL)\nHands-on experience with Spring/Spring Boot\nUnderstanding of application architectures (Microservices, Hexagonal Architecture, etc.)\nExperience with CI/CD pipelines, Docker and Kubernetes\nExperience in API design and RESTful services\nExperience working with AWS or GCP cloud environments\nStrong problem-solving skills and logical thinking\nPassion for continuous learning and professional growth\nPrevious experience in an Agile environment using Scrum\nPortuguese and English proficiency at a professional level (minimum B2)\nLiving in Portugal and available to work in a hybrid model\n\nO que é oferecido\n\nOpportunity to integrate into a solid company\nParticipate in projects of high recognition, nationally and internationally\nAppealing technological environment\nCareer progression\n\nResumo organizado por IA a partir do anúncio original. 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