{"id":3783975,"url":"https://alion.io/job/datawalk-senior-full-stack-developer-java-and-angular-3","title":"Senior Full-Stack Developer (Java and Angular)","company":{"id":2868,"name":"DataWalk","domain":"datawalk.com","url":"https://alion.io/company/datawalk","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":"senior","employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ActiveMQ","optional":false},{"name":"Angular","optional":false},{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Knowledge Graph","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-11-05T01:01:44Z","employer_posted_date":null,"last_verified_at":"2026-11-05T01:01:44Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"DataWalk is the Data and Analytics Platform with an Enterprise Knowledge Graph. DataWalk turns fragmented data into an enterprise knowledge graph - enabling humans and AI to uncover hidden patterns and answer complex multi-hop questions at a population scale. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism, or organized crime. If you are interested in making the world a safer place and leveraging a unique business opportunity, please read further.\n\nWe are looking for an experienced Senior Full-Stack Developer to join our Product Engineering teams.\n\nThe position will play a significant role in architecting, designing, developing, and delivering high-performance Java-based software solutions that underpin our platform's stability, scalability, and efficiency.\n\nResponsibilities:\nDesign and implement core components of the DataWalk platform.\n\nIdentify, recommend, design and implement non-functional and performance improvements.\n\nEvaluate new technologies and their application to the business.\n\nWork with team members to conduct root cause analysis of issues, review code and/or design proper testing mechanisms.\n\nSupport back-end engineering efficiency initiatives.\n\nRequirements:\n7+ years of professional experience, preferably in a product-focused company.\n\nFluency in Java, Spring, and 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