{"id":3336309,"url":"https://alion.io/job/kaleidoscope-innovation-java-full-stack-engineer","title":"Java Full Stack Engineer","company":{"id":4382008,"name":"Kaleidoscope Innovation","domain":"kascope.com","url":"https://alion.io/company/kaleidoscope-innovation","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":{"grade":"B","score":83,"open_postings":34,"ghost_share":0,"stale_share":0.471,"repost_share":0,"time_to_fill_p50_days":89,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Charlotte, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":130000,"currency":"USD","period":"year","gross":null,"usd_annual":130000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false},{"name":"SQL","optional":false},{"name":"JavaScript","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-27T13:55:14Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-31T17:41:18Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"We are unable to sponsor or take over sponsorship of an employment visa at this time.\nJava Full Stack Engineer\nJob Description\nPosition Overview\nWe are seeking a Senior Full Stack Java Developer to build and enhance enterprise applications using modern Java and Angular technologies. This role will focus on designing scalable microservices, developing responsive user interfaces, and supporting event-driven architectures in a collaborative Agile environment.\nKey ResponsibilitiesDesign, develop, and maintain web applications using Java 17, Spring Boot, and Angular (10-18).\nBuild scalable microservices and REST APIs to support enterprise business applications.\nDevelop and support event-driven solutions using Apache Kafka and Spring WebFlux/Reactive frameworks.\nCollaborate with cross-functional teams to define requirements, troubleshoot issues, and deliver high-quality solutions.\nOptimize application performance, database interactions, and overall system reliability.\n\nRequired Qualifications\n8+ years of experience developing enterprise applications with Java and Spring Framework technologies.\nHands-on experience with Java 17, Spring Boot, Microservices, Kafka, and Angular 10+.\nStrong understanding of RESTful APIs, distributed systems, and reactive programming 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