{"id":1999587,"url":"https://alion.io/job/tblocks-lead-java-developer","title":"Lead Java Developer","company":{"id":2334391,"name":"Tblocks","domain":"tblocks.com","url":"https://alion.io/company/tblocks","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":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":24000,"max_usd":51000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":54},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Apache Tomcat","optional":false},{"name":"Java","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-10-07T09:35:35Z","employer_posted_date":null,"last_verified_at":"2026-10-07T09:35:35Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Role: Lead Java Developer (Jasper Reports)\n\nExperience: 10+ years\n\nLocation: Gurugram (Hybrid: 2 days WFO & 3 days WFH)\n\nAbout Us:\n\nTechblocks is a leading global digital product development firm. We unify strategy, design and technology with continuous growth-centric digital product engineering solutions for F500 companies and global brands.\n\nAbout the role:\n\nWe are looking for an experienced Java Lead with strong, hands-on expertise in Jaspersoft/JasperReports Server to lead the development, upgrade, and security hardening of our enterprise reporting platform.\n\nKey Responsibilities:\n\n- Lead hands-on development, customization, and upgrade of Jaspersoft/JasperReports Server from 6.x to the latest supported version.\n\n- Assess the existing JasperReports Server architecture, deployment model, configurations, customizations, and dependencies.\n\n- Define and execute the upgrade and migration strategy, including sequencing, dependencies, rollback approach, and validation.\n\n- Identify and resolve version compatibility issues across JasperReports, Java, Tomcat, databases, authentication mechanisms, and integrations.\n\n- Review and update existing Jasper reports, data sources, repositories, extensions, and custom components for upgrade impact.\n\n- Write and review Java code for custom reports, plugins, and integrations within the JasperReports ecosystem.\n\n- Assess current Jasper security configuration and identify security gaps; 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