{"id":3167217,"url":"https://alion.io/job/blockon-ventures-senior-java-developer-telecom-domain","title":"Senior Java Developer (Telecom Domain)","company":{"id":4454513,"name":"BlockOn Ventures","domain":"blockonventures.com","url":"https://alion.io/company/blockon-ventures","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":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nagpur, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":15000,"max_usd":36000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring MVC","optional":false},{"name":"ActiveMQ","optional":true},{"name":"Agile","optional":true},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Git","optional":true},{"name":"Grafana","optional":true},{"name":"Kubernetes","optional":true},{"name":"Linux","optional":true},{"name":"MySQL","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Prometheus","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redis","optional":true},{"name":"Scrum","optional":true},{"name":"Spring Framework","optional":true},{"name":"SQL","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2026-10-23T17:36:00Z","employer_posted_date":null,"last_verified_at":"2026-10-23T17:36:00Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"We are looking for a Senior Java Developer with strong experience in the Telecom domain to design and develop enterprise messaging applications. The ideal candidate should have hands-on expertise in Java, Kannel SMS Gateway, SMPP protocol, and telecom messaging platforms, along with experience building scalable REST APIs and microservices.\n\nResponsibilities: \nDesign, develop, and maintain Java-based enterprise applications.\nDevelop and integrate SMS solutions usingKannel SMS Gateway and SMPP.\nBuild REST APIs and microservices using Spring Boot.\nIntegrate with SMSCs and telecom messaging platforms.\nOptimise application performance, reliability, and scalability.\nTroubleshoot production issues and collaborate with cross-functional teams.\nPerform code reviews and mentor junior developers.\n\nRequirements: \n6 to 10 years of Java development experience.\nStrong expertise in Java 8/11/17 Spring Boot, Spring MVC, Hibernate/JPA.\nHands-on experience withKannel SMS Gateway and SMPP protocol.\nExperience with Telecom SMSCs and messaging platforms.\nGood to have: REST APIs, Microservices, SQL (MySQL/PostgreSQL/Oracle), Linux/Unix, Git, CI/CD pipelines.\nStrong debugging and problem-solving skills.\nMandatory Skills: Java 8/11/17 Spring Boot, Spring Framework, Hibernate/JPA, REST APIs, Microservices, Kannel SMS Gateway, SMPP Protocol, Telecom Messaging Platforms, SMSC Integration, SQL, Linux, Git, CI/CD, Telecom Domain Experience.\nMust have prior Telecom industry experience with hands-on working knowledge of SMPP, SMSC, and Kannel SMS Gateway.\nProfiles without Telecom messaging experience will not be considered.\nPreferred Skills: Kafka, RabbitMQ, or ActiveMQ, Docker and Kubernetes, AWS, Azure, or GCP, Redis and monitoring tools (Grafana, Prometheus, ELK), Experience with Agile/Scrum.\nSkills\nSMPP, SMSC, java, kannel, telecom","description_format":"text","description_chars":1834,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-23T17:36:00Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":28,"reasons":["seen:2","velocity","win:early"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/blockon-ventures-senior-java-developer-telecom-domain","json_url":"https://alion.io/job/blockon-ventures-senior-java-developer-telecom-domain.json","meta":{"generated_at":"2026-10-26T08:12:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10916,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4454513},"rest":"https://alion.io/mcp/rest/get_company?id=4454513"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fblockon-ventures-senior-java-developer-telecom-domain"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fblockon-ventures-senior-java-developer-telecom-domain"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fblockon-ventures-senior-java-developer-telecom-domain"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/blockon-ventures-senior-java-developer-telecom-domain\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fblockon-ventures-senior-java-developer-telecom-domain"}]}