{"id":3231182,"url":"https://alion.io/job/remote-world-kotlin-developer","title":"Kotlin Developer","company":{"id":4466539,"name":"Remote World","domain":"remoteworld.ai","url":"https://alion.io/company/remote-world","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":{"label":"GMT","utc_offset_min":0,"utc_offset_max":0},"hiring_geo_confidence":"inferred","locations":["Riyadh, Saudi Arabia"],"countries":["SA"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Kotest","optional":false},{"name":"Kotlin","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true},{"name":"FHIR","optional":true},{"name":"HL7","optional":true},{"name":"Java","optional":true},{"name":"RabbitMQ","optional":true}],"status":"live","first_seen_at":"2026-10-23T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-23T00:00:00Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":7},"description":"Kotlin Developer $700$1100 USD/month Fully RemoteLocation: Fully remote you can be based anywhere in the world\nHours: Flexible aim for at least 2 hours of overlap with UK time (09:0017:00 GMT/BST)\nSalary: $700$1100 USD/month\nContract: Full-time permanent\nThe location shown on this listing is where the client is based. This role is fully remote no relocation required. Candidates from anywhere are welcome to apply.\nAbout the companyRemote World is partnering with a UK telehealth startup providing online mental health support a UK-based employer to hire for this role. Theyve matched over 30000 patients with therapists through their platform and theyre expanding their backend services to support group therapy and employer programmes.\nThe roleYoull build Spring Boot services in Kotlin that power the matching engine session scheduling and billing integrations. Working in a small backend team youll own features end to end write tests participate in code review and help the team keep latency low as the patient base grows.\nWhat youll doBuild and maintain Kotlin Spring Boot services\nDesign and implement new API endpoints for mobile and web clients\nWrite unit and integration tests with Kotest or JUnit\nOptimise slow database queries and reduce API latency\nParticipate in on-call rotation and service health reviews\nWhat youll needHands-on Kotlin experience in a Spring Boot context\nComfortable with SQL and JPA/Hibernate\nUnderstanding of REST API design and versioning\nYou write tests and use code review productively\nGood async written communication\nNice to haveExperience with event-driven systems (Kafka or RabbitMQ)\nFamiliarity with healthcare data standards (HL7 FHIR)\nWhat youll get$700$1100 USD/month paid monthly\nFully remote work from anywhere\nFlexible hours with some UK overlap\n$500/year learning budget\nHome office equipment stipend\nApply through Remote World send your CV and a short note on why youre a great fit. If you dont tick every box apply anyway. 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